There are 3 airlines that fly nonstop from San Francisco to London. They are: British Airways, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with British Airways at $612 for a one-way flight. On average, the best prices for this route can be found at British Airways.Mon, Oct 7 LHR – SFO with LEVEL. 1 stop. from $553. London.$563 per passenger.Departing Mon, Nov 11, returning Wed, Nov 20.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from San Francisco International on Mon, Nov 11, arriving in London Heathrow.Inbound indirect flight with …Fly from San Francisco (SFO) to London Heathrow (LHR) SFO - LHR; £293 - £997. Cheapest option. Fly to East Midlands • 17h 17m. Fly from San Francisco (SFO) to East Midlands (EMA) SFO - EMA; £281 - £913. 6 alternative options. Fly to Manchester • 15h 4m.Find the cheapest Business Class flights from San Francisco International and London Southend. We scour the Internet for the best Business, Premium Economy and First Class flight fares to London Southend, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. The cheapest month for flights from San Francisco to London is October, where tickets cost $1,022 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,953 and $1,684 respectively. Find flights to London Gatwick Airport from $260. Fly from San Francisco on TAP AIR PORTUGAL, Vueling, ITA Airways and more. Search for London Gatwick Airport flights on KAYAK now to find the best deal.Cheap flights from San Francisco (SFO) to London (LON) from $189. Round-trip One-way Multi-city. From? To? Wed 3/20. Wed 3/27. 1 adult. Economy. Find Your Flight. The …After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to London on Wednesday, 1 May 2024. …Flight Duration 11 h and 25 m Flights between London and San Francisco take, on average, 11 h and 25 m minutes, but the time can vary according to other factors. Cheapest flight £187 Cheapest price for a flight between London and San Francisco found by our customers in the last 72 hours.Flying time from SFO to London, United Kingdom. The total flight duration from SFO to London, United Kingdom is 11 hours, 15 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing.Wed, Apr 24 LGW – SFO with Delta. 1 stop. Tue, Apr 30 SFO – LGW with Delta. 1 stop. from $586. San Francisco.$586 per passenger.Departing Fri, May 3, returning Tue, May 7.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from London Gatwick on Fri, May 3, arriving in San Francisco International.Inbound indirect ... Flying time from San Francisco, CA to London, United Kingdom. The total flight duration from San Francisco, CA to London, United Kingdom is 11 hours, 14 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. The two airlines most popular with KAYAK users for flights from London to San Francisco are Delta and Virgin Atlantic. With an average price for the route of $727 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $740 and an overall rating of 7.7. There are 3 airlines that fly nonstop from San Francisco to Paris. They are: Air France, French Bee and United Airlines. The cheapest price of all airlines flying this route was found with French Bee at $502 for a one-way flight. On average, the best prices for this route can be found at French Bee. Find flights to London from $283. Fly from San Francisco on WestJet, Air Canada, United Airlines and more. Search for London flights on KAYAK now to find the best deal.Find the best deals on flights from San Francisco International (SFO) to London (YXU). Compare prices from hundreds of major travel agents and airlines, all in one search. Skyscanner. ... Compare flight deals to London from San Francisco International from over 1,000 providers. Compare flight deals to London from San Francisco International from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flex your dates to find the best San Francisco International-London ticket prices. British Airways to London. $564. American Airlines to London. Find flights to London from $177. Fly from the United States on PLAY, Norse Atlantic UK and more. Fly from New York from $177, from Newark from $189 or from Stewart Intl. from $197. Search for London flights on KAYAK now to find the best deal. The cheapest month for flights from San Francisco to London is October, where tickets cost $1,022 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,953 and $1,684 respectively. The cheapest month for flights from San Francisco to London Heathrow Airport is February, where tickets cost ₹ 57,038 on average. On the other hand, the most expensive months are June and July, where the average cost …Reserve one-way or return flights from London to San Francisco with no change fee on selected flights. Earn your airline miles on top of our rewards! Get 2024 flight deals for now! ... Cheap Flights from London (LGW) to San Francisco (SFO) Prices were available within the past 7 days and start at £266 for one-way flights and £420 for round ... Tue, 8 Oct LCY - SFO with SWISS. 1 stop. from £529. London. £529 per passenger.Departing Tue, 23 Apr, returning Tue, 30 Apr.Return flight with SWISS.Outbound indirect flight with SWISS, departs from San Francisco International on Tue, 23 Apr, arriving in London City.Inbound indirect flight with SWISS, departs from London City on Tue, 30 Apr ... Cheap flights from San Francisco (SFO) to London (LON) from $189. Round-trip One-way Multi-city. From? To? Wed 3/20. Wed 3/27. 1 adult. Economy. Find Your Flight. The …How long is the flight from San Francisco to London? The total flight time from San Francisco to London is approximately 10 hours and 40 minutes. The total distance is 5370 miles/8640 km. Things to do and places to see in London. Officially founded by the Romans, the UK’s capital, London, is a hub of international finance, trade, and culture.Find flights to London Heathrow Airport from $317. Fly from San Francisco on United Airlines, Finnair, SWISS and more. Search for London Heathrow Airport flights on KAYAK now to find the best deal. The two airlines most popular with KAYAK users for flights from San Francisco to London are Delta and Virgin Atlantic. With an average price for the route of $852 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $854 and an overall rating of 7.7. Which airlines with flights from London Airport (LCY-London City) to San Francisco, CA Airport (SFO-San Francisco Intl.) allow free cancellation due to COVID-19? Once all available flight options are displayed for your preferred travel dates, check the “No change fee” box under the “Flexible change policies” heading. The two airlines most popular with KAYAK users for flights from London to San Francisco are Delta and Virgin Atlantic. With an average price for the route of $727 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $740 and an overall rating of 7.7. Cheap Flights from London (LHR) to San Francisco (SFO) Prices were available within the past 7 days and start at £407 for one-way flights and £419 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Cheap Flights from San Francisco to London (SFO-LGW) Prices were available within the past 7 days and start at $283 for one-way flights and $495 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from San Francisco to London with no change fee on ...One of the most popular airlines traveling from San Francisco to London Heathrow Airport is United Airlines. Flights on this route from United Airlines typically cost $730.16 RT, a price that is 74% more expensive than the average San Francisco to London Heathrow Airport flight. The cheapest flight found was $564 RT.Prices were available within the past 7 days and start at $444 for one-way flights and $627 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Tue, Nov 5 - …Discover our best Delta flight from San Francisco SFO to London LHR To find the best deals on flights to San Francisco from London with Delta, just enter your travel dates, filter by Delta, and hit search. You’ll find 2 flights to choose from and can sort by price, flight duration, and arrival or departure time. Prices were available within the past 7 days and start at $444 for one-way flights and $627 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Tue, Nov 5 - Tue, Nov 12. SFO. San Francisco. Flying time from San Francisco, CA to London, United Kingdom. The total flight duration from San Francisco, CA to London, United Kingdom is 11 hours, 14 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Which airlines provide the cheapest flights from San Francisco to London Gatwick Airport? In the last 72 hours, the cheapest one-way ticket from San Francisco to London Gatwick Airport found on KAYAK was with WestJet for £283. TAP AIR PORTUGAL proposed a return connection from £386 and Delta from £448.1 stop. from $295. London.$374 per passenger.Departing Wed, 2 Oct.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Wed, 2 Oct, arriving in London Gatwick.Price includes taxes and charges.From $374, select. Wed, 2 Oct SFO - LGW with Alaska Airlines.Find flights to San Francisco from C$ 549. Fly from London on TAP AIR PORTUGAL, Scandinavian Airlines, British Airways and more. Search for San Francisco flights on KAYAK now to find the best deal. Economy. See Latest Fare. San Francisco (SFO) to. London (LHR) 04/23/24 - 04/30/24. from. $587*. Updated: 26 minutes ago. Round trip. Direct (non-stop) flights from San Francisco to London. All flight schedules from San Francisco International , California , USA to Heathrow, United Kingdom . This route is operated by 3 airline (s), and the flight time is 10 hours and 35 minutes. The distance is 5383 miles. Fly from San Francisco on TAP AIR PORTUGAL, Vueling, Iberia and more. Search for Europe flights on KAYAK now to find the best deal. ... (SFO) a hub for any airline? ... Istanbul $544 one-way - $990 round-trip; London $502 one-way - $704 round-trip. Morning departure is around 25% cheaper than an evening flight, on average*. Flights to Brighton, England. $711. Flights to Bristol, England. $486. Flights to Cambridge, England. View more. Find flights to England from $249. Fly from San Francisco on TAP AIR PORTUGAL, Virgin Atlantic, Delta and more. Search for England flights on KAYAK now to find the best deal. Book our best prices between San Francisco and London within the next 6 months. Virgin Atlantic is incredibly proud to have been awarded Diamond status in Health and Safety by APEX and Simpliflying. This is the highest standard possible, and shows our unwavering commitment to keeping our staff and customers safe and sound throughout …There are 3 airlines that fly nonstop from San Francisco to London. They are: British Airways, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with British Airways at $612 for a one-way flight. On average, the best prices for this route can be found at British Airways.Cheap flights from San Francisco (SFO) to London (LHR) Prices were available within the past 7 days and start at CA $579 for one-way flights and CA $801 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from San Francisco to London with no change fee ...Find your cheap flight to London with Air France from $522. Discover our selection of return flights at the best price to London LON. ... From San Francisco (SFO) To London (LON) Round-trip / Economy: 05/18/2024 - 06/01/2024: From. $1,060* Seen: 2 days ago. From Miami (MIA) To London (LON) Round-trip / Economy: 05/17/2024 - 06/08/2024: …Mayor London Breed returned to San Francisco on Sunday after a weeklong trip to China, declaring the excursion a success after China agreed to send pandas to …My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule.Wed 1/5 15:30 SFO - LHR. Nonstop 10h 30m Finnair. Deal found 18/4 £4,710. Pick Dates. If you’re travelling from London to San Francisco, one of the more common airlines travelling that route is Finnair. Flights from Finnair travelling this …1 stop. Sun, 24 Mar SFO - LCY with Virgin Atlantic. 1 stop. from £440. San Francisco. £442 per passenger.Departing Mon, 26 Feb, returning Sun, 10 Mar.Return flight with Lufthansa and SWISS.Outbound indirect flight with Lufthansa, departs from London City on Mon, 26 Feb, arriving in San Francisco International.Inbound indirect flight with ... The cheapest month for flights from London, Ontario to San Francisco is October, where tickets cost $394 on average. On the other hand, the most expensive months are February and November, where the average cost of tickets is $603 and $580 respectively. The two airlines most popular with KAYAK users for flights from London to San Francisco are Delta and Virgin Atlantic. With an average price for the route of $727 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $740 and an overall rating of 7.7.Delta has flights from all over the United States to London and flies nonstop into two of London's primary airports. Fly on Delta to London-Heathrow (LHR) from Boston (BOS), Los Angeles (LAX), Seattle (SEA), Atlanta (ATL), Detroit (DTW), Salt Lake City (SLC), Minneapolis (MSP), and New York City (JFK) and into Gatwick Airport (LGW) from New ...Discover our best Delta flight from San Francisco SFO to London LHR To find the best deals on flights to San Francisco from London with Delta, just enter your travel dates, filter by Delta, and hit search. You’ll find 2 flights to choose from and can sort by price, flight duration, and arrival or departure time.Virgin Atlantic, British Airways, and seven other airlines fly from San Francisco (SFO) to London Heathrow (LHR) hourly. Airlines. Delta. Website delta.com. Flights from San Francisco to London Heathrow Ave. Duration 10h … There are 3 airlines that fly nonstop from San Francisco to Paris. They are: Air France, French Bee and United Airlines. The cheapest price of all airlines flying this route was found with French Bee at $502 for a one-way flight. On average, the best prices for this route can be found at French Bee. Flights from San Francisco to London. Use Google Flights to plan your next trip and find cheap one way or round trip flights from San Francisco to London. Find the best...Use our best fare finder to search flights from London to San Francisco. Take a look at our offers and you are guaranteed to find the best flight deals. Choose what suits you best from the attractive offers for flights to San Francisco (SFO) in October 2024 from 472 £. Find flights to London Gatwick Airport from $203. Fly from San Francisco on TAP AIR PORTUGAL, Delta, American Airlines and more. Search for London Gatwick Airport flights on KAYAK now to find the best deal. Cheap Flights from San Francisco to London (SFO-LGW) Prices were available within the past 7 days and start at $283 for one-way flights and $495 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from San Francisco to London with no change fee on ... Find cheap flights from SFO to LHR with Virgin Atlantic, the official airline of London. Book now and enjoy complimentary Covid-19 insurance, pre-flight testing and more. Tue, 8 Oct LCY - SFO with SWISS. 1 stop. from £529. London. £529 per passenger.Departing Tue, 23 Apr, returning Tue, 30 Apr.Return flight with SWISS.Outbound indirect flight with SWISS, departs from San Francisco International on Tue, 23 Apr, arriving in London City.Inbound indirect flight with SWISS, departs from London City on Tue, 30 Apr ... Flying time from San Francisco, CA to London, United Kingdom. The total flight duration from San Francisco, CA to London, United Kingdom is 11 hours, 14 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Put some thought into where you should sit, because the San Francisco, CA Airport (SFO-San Francisco Intl.) to London Airport (LHR-Heathrow) route averages 10 hours and 21 minutes. Window or aisle seats, exit rows and seats close to the front are usually considered to be the most desirable spots. The cheapest return flight ticket from San Francisco to London Heathrow Airport found by KAYAK users in the last 72 hours was for $562 on TAP AIR PORTUGAL, followed by … The cheapest month for flights from San Francisco to London is October, where tickets cost $1,022 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,953 and $1,684 respectively. There are 3 airlines that fly direct from San Francisco to London. They are: British Airways, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with Virgin Atlantic at £466 for a one-way flight. On average, the best prices for this route can be found at Virgin Atlantic. Fly to London with British Airways and discover how the past meets the modern. Experience the Changing of the Guard at St James’ Palace then watch locals zip along the pavements on roller skates. Indulge in a traditional afternoon tea at the Ritz before spending the evening exploring the bars and clubs in Soho. Fill up on delicacies and ...There are 3 airlines that fly nonstop from San Francisco to London. They are: British Airways, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with British Airways at $612 for a one-way flight. On average, the best prices for this route can be found at British Airways. Find flights to London Heathrow Airport from $317. Fly from San Francisco on United Airlines, Finnair, SWISS and more. Search for London Heathrow Airport flights on KAYAK now to find the best deal. Find flights to London Heathrow Airport from £255. Fly from San Francisco on TAP AIR PORTUGAL, Iberia, British Airways and more. Search for London Heathrow Airport flights on KAYAK now to find the best deal. ... (SFO) where you can relax and enjoy VIP services before your Heathrow (LHR) flight. They include the Air France-KLM Lounge ...Thu, 10 Oct SFO - LTN with Vueling Airlines. 1 stop. from £391. San Francisco. £391 per passenger.Departing Wed, 21 Feb, returning Mon, 26 Feb.Return flight with easyJet and Air Canada.Outbound indirect flight with easyJet, departs from London Luton on Wed, 21 Feb, arriving in San Francisco International.Inbound indirect flight with Air ...Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. The two airlines most popular with KAYAK users for flights from San Francisco to London are Delta and Virgin Atlantic. With an average price for the route of $838 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $802 and an overall rating of 7.7. Compare flight deals to London from San Francisco International from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flex your dates to find the best San Francisco International-London ticket prices. Thu, 10 Oct SFO - LTN with Vueling Airlines. 1 stop. from £391. San Francisco. £391 per passenger.Departing Wed, 21 Feb, returning Mon, 26 Feb.Return flight with easyJet and Air Canada.Outbound indirect flight with easyJet, departs from London Luton on Wed, 21 Feb, arriving in San Francisco International.Inbound indirect flight with Air ...Cheap Flights from London (LHR) to San Francisco (SFO) Prices were available within the past 7 days and start at £407 for one-way flights and £419 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Cheap flights from San Francisco (SFO) to London (LON) from $189. Round-trip One-way Multi-city. From? To? Wed 3/20. Wed 3/27. 1 adult. Economy. Find Your Flight. The …Find flights to London from $283. Fly from San Francisco on WestJet, Air Canada, United Airlines and more. Search for London flights on KAYAK now to find the best deal.Wed, 29 May SFO - LHR with Flair Airlines. 1 stop. from ₹ 32,632. London. ₹ 32,789 per passenger.Departing Tue, 30 Apr.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from San Francisco International on Tue, 30 Apr, arriving in London Heathrow.Price includes taxes and charges.From ₹ 32,789, select.Find cheap flights from London to San Francisco International on Skyscanner. Book the best deals for your flights to SFO from LON. Skyscanner. Help; English (UK) EN Singapore $ SGD SGD ($) Flights. ... Sat, 4 May LGW - SFO with Norse Atlantic Airways (UK) 1 stop. from $417. San Francisco. $509 per passenger. Departing Sat, 24 Aug.My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule.The two airlines most popular with KAYAK users for flights from London to San Francisco are Virgin Atlantic and British Airways. With an average price for the route of $1,103 and an overall rating of 7.7, Virgin Atlantic is the most popular choice. British Airways is also a great choice for the route, with an average price of $1,087 and an ...The cheapest return flight ticket from San Francisco to London Heathrow Airport found by KAYAK users in the last 72 hours was for $638 on United Airlines, followed by Finnair ($639). One-way flight deals have also been found from …There are direct non-stop flights from San Francisco Airport (SFO) to London Heathrow with airlines other including Aer Lingus and Delta. There are also cheap one-stop and two-stop flights from San Francisco to London Heathrow with Lufthansa, SWISS Airlines, British Airways, and Iberia.The two airlines most popular with KAYAK users for flights from San Francisco to London are Delta and Virgin Atlantic. With an average price for the route of $818 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $829 and an overall rating of 7.7.Cheap Flights from SFO to LHR starting at $405 One Way, $458 Round Trip. Prices starting at $458 for return flights and $405 for one-way flights to Heathrow were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Tue, Oct 15 - Tue, Oct 22.There are direct non-stop flights from San Francisco Airport (SFO) to London Heathrow with airlines other including Aer Lingus and Delta. There are also cheap one-stop and two-stop flights from San Francisco to London Heathrow with Lufthansa, SWISS Airlines, British Airways, and Iberia. Find cheap flights from San Francisco to London Stansted Airport from. $338. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Thu 5/23. Thu 5/30. The two airlines most popular with KAYAK users for flights from London to San Francisco are Delta and Virgin Atlantic. With an average price for the route of $727 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $740 and an overall rating of 7.7.
Cheap Flights from San Francisco to London (SFO-LCY) Prices were available within the past 7 days and start at $446 for one-way flights and $543 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from San Francisco to London with no change fee on ... . Newark to delhi india
Cheap flights to London. Roundtrip One way Multi-city. Depart. 28/04/2024. Return. 05/05/2024. Travelers and cabin class. 1 adult, Economy. Direct flights only.While you'll still find an older version of the airline's business class on a very small number of London-bound flights, those planes are in the process of being updated, and most should be done by the end of this year. To make sure you're getting the best product, look for either a 1-2-1 or 1-1-1 seating arrangement, on the 777/787 and 767 ...Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Return flights from San Francisco SFO to London LHR with Air France If you’re planning a round trip, booking return flights with Air France is usually the most cost-effective option. With airfares ranging from $2,012 to $2,012, it’s easy to find a flight that suits your budget. Find flights to London from $283. Fly from San Francisco on WestJet, Air Canada, United Airlines and more. Search for London flights on KAYAK now to find the best deal. Cheap Flights from London (LON) to San Francisco International (SFO) from $497. Roundtrip One way Multi-city. Depart. 25/04/2024. Return. 02/05/2024. …Wed 1/5 15:30 SFO - LHR. Nonstop 10h 30m Finnair. Deal found 18/4 £4,710. Pick Dates. If you’re travelling from London to San Francisco, one of the more common airlines travelling that route is Finnair. Flights from Finnair travelling this …Search and compare first class flight deals to London. Fly from New York from $3,374, from Newark from $3,681, from Washington, D.C. from $3,899. Book your first class tickets to London.After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to London on Wednesday, 1 May 2024. …Wed, 29 May SFO - LHR with Flair Airlines. 1 stop. from ₹ 32,632. London. ₹ 32,789 per passenger.Departing Tue, 30 Apr.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from San Francisco International on Tue, 30 Apr, arriving in London Heathrow.Price includes taxes and charges.From ₹ 32,789, select.Mon, 24 Jun LHR - SFO with Scandinavian Airlines. 1 stop. from ₹ 26,434. San Francisco. ₹ 26,668 per passenger.Departing Mon, 9 Sep.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departs from London Stansted on Mon, 9 Sep, arriving in San Francisco International.Price includes taxes and charges.From ₹ 26,668, select. The cheapest month for flights from San Francisco to London is October, where tickets cost $1,022 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,953 and $1,684 respectively. Best Time of Year to Fly From SFO to London. The cheapest and most practical time to fly to London from the United States is April. It’s still a bit chilly, but the bone-chilling cold is long gone. The average daytime temperature is 59°, dropping to 45° at night. Save Upto 70% on Business Class London Flights..