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Cheap flights from San Francisco to London from £280

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LON
25 Nov — 2 Dec1
1 adult

The best prices from San Francisco to London are usually found in October or September, booked 38 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

Find flights from San Francisco to London within your budget

Customise your flight search to find flights from San Francisco to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 953,013 searches. Data last updated 20 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 15/1

16:35-09:50

1 stop33h 15m

London Gatwick

Sat 25/1

10:10-14:45

2 stops60h 35m

£484

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 31/12

17:25-12:00

Nonstop10h 35m

London Heathrow

Fri 17/1

08:55-16:25

1 stop15h 30m

£484

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 16/1

17:30-21:40

1 stop20h 10m

London Heathrow

Sun 19/1

19:30-15:40

1 stop28h 10m

£485

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 2/12

16:40-10:55

Nonstop10h 15m

London Heathrow

Tue 10/12

06:30-11:50

1 stop13h 20m

£486

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 10/12

08:30-19:45

3 stops27h 15m

London Gatwick

Tue 17/12

06:40-21:51

2 stops23h 11m

£487

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 1/4

19:20-13:50

Nonstop10h 30m

London Heathrow

Thu 24/4

10:10-13:15

Nonstop11h 05m

£487

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 2/12

19:25-17:50

1 stop14h 25m

London Gatwick

Tue 10/12

18:45-16:25

1 stop29h 40m

£488

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 12/1

13:00-10:10

1 stop13h 10m

London Heathrow

Wed 5/2

06:30-17:30

2 stops19h 00m

£488

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 8/1

16:35-17:30

1 stop16h 55m

London Heathrow

Fri 28/2

06:00-16:15

1 stop18h 15m

£490

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 2/12

17:30-12:00

Nonstop10h 30m

London Heathrow

Wed 25/12

15:20-18:45

Nonstop11h 25m

£494

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 60 results
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Cheap flight deals from San Francisco to London

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 November 2024.

Round-trip from

£484

One-way from

£280

Popular in

June

Cheapest in

October
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 15/1-25/1
  • 3 total stops
  • 93h 50m total
  • San Francisco to London
7/12
  • 7/12
  • 3 total stops
  • 43h 05m total
  • San Francisco to London
High demand for flights, 34% potential price rise
Best time to find cheap flights, 20% potential price drop

Find flight deals from San Francisco to London

Cheapest flights from San Francisco to London
Explore the most affordable flight options available from San Francisco to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Tue 31/1217:25SFO - LHR
Nonstop10h 35mUnited Airlines
Fri 17/108:55LHR - SFO
1 stop15h 30mUnited Airlines
Deal found 20/11£484
Sun 29/1217:30SFO - LHR
1 stop14h 30mScandinavian Airlines
Fri 28/206:40LHR - SFO
1 stop17h 00mScandinavian Airlines
Deal found 19/11£485
Mon 2/1216:40SFO - LHR
Nonstop10h 15mDelta
Tue 10/1206:30LHR - SFO
1 stop13h 20mDelta
Deal found 20/11£486
Fri 6/1219:15SFO - LGW
1 stop30h 35mTAP AIR PORTUGAL
Tue 10/1221:20LGW - SFO
2 stops25h 20mTAP AIR PORTUGAL
Deal found 18/11£486
Tue 10/1208:30SFO - LGW
3 stops27h 15mMultiple Airlines
Tue 17/1206:40LGW - SFO
2 stops23h 11mMultiple Airlines
Deal found 19/11£487
Mon 2/1219:25SFO - LGW
1 stop14h 25mSWISS
Tue 10/1218:45LGW - SFO
1 stop29h 40mSWISS
Deal found 19/11£488
Mon 2/1217:30SFO - LHR
Nonstop10h 30mIberia
Wed 25/1215:20LHR - SFO
Nonstop11h 25mIberia
Deal found 19/11£494
Mon 30/1217:30SFO - LHR
Nonstop10h 30mBritish Airways
Fri 28/211:45LHR - SFO
Nonstop11h 15mBritish Airways
Deal found 19/11£497
Sun 8/1208:30SFO - LTN
2 stops30h 00mMultiple Airlines
Mon 16/1206:30LTN - SFO
2 stops23h 21mMultiple Airlines
Deal found 20/11£499
Sun 1/1219:25SFO - LHR
1 stop14h 25mSWISS
Fri 13/1206:00LHR - SFO
1 stop18h 25mSWISS
Deal found 18/11£501
Fri 6/1219:15SFO - LHR
1 stop18h 20mTAP AIR PORTUGAL
Sun 15/1213:40LHR - SFO
1 stop33h 05mTAP AIR PORTUGAL
Deal found 19/11£502
Wed 11/1206:45SFO - LHR
2 stops15h 45mMultiple Airlines
Thu 9/113:00LHR - SFO
1 stop15h 11mMultiple Airlines
Deal found 19/11£505

Best time to book a flight from San Francisco to London

Have a flexible travel schedule? Discover the best time to fly to London from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco to London

Get recent, data-driven insights about flights from San Francisco to London including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Francisco to London?

Use this chart to determine the optimal time to book a return flight from San Francisco to London. Price data was last updated on 15 November 2024.

The price you pay for your flight from San Francisco to London may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to London?

Currently, January is the cheapest month in which you can book a flight from San Francisco to London (average of £112). Flying from San Francisco to London in July is currently the most expensive (average of £160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to LON?

Find hourly flight availability from San Francisco to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 November 2024.

When flying from San Francisco to London, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 16% versus a flight in the morning.

What is the cheapest day to fly from San Francisco to London?

Use this chart to determine the cheapest time to fly return from San Francisco to London. Price data was last updated on 18 November 2024.

Travellers seeking maximum savings on their San Francisco to London flight should consider departing on Wednesday at midday when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to London

Explore weekly flight availability from San Francisco to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 20 November 2024.

The most flights from SFO to LON are scheduled on a Monday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 20 November 2024.
Read reviews from past customers who have flown United Airlines, Scandinavian Airlines and Delta from San Francisco to London. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good
8,759 reviews
8.0
Very Good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,350 reviews
8.0
Very Good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.7
Good
1,300 reviews
8.0
Very Good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
1,637 reviews
8.0
Very Good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.5
Good
663 reviews
8.0
Very Good
8,759 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to London?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to London from San Francisco. Booking flights from San Francisco (SFO) to London should be relatively easy as there are 31 daily outbound flights to London from 8 different airlines.

  • What are the cheapest airlines flying from San Francisco to London round-trip?

    Our cheapest airline available from San Francisco to London is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as £484 on this airline. Additional options worth looking into are United Airlines and Scandinavian Airlines, starting at £484 and £485 round-trip. TAP AIR PORTUGAL is currently priced 22% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Francisco to London one-way?

    For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as £284. Users have also found prices from £289 and £292 on TAP AIR PORTUGAL and Virgin Atlantic, respectively.

  • What are the most popular routes from San Francisco to London?

  • What are the most reliable airlines from San Francisco to London?

    Before booking your flight to London from San Francisco, check out the most reliable airlines to get you to your destination on time: American Airlines (79%), Aer Lingus (79%), Alaska Airlines( 79%).

  • What are the cheapest flights from San Francisco to London?

    Looking at all options, your cheapest flight can be booked for £214. While the most popular route (San Francisco - London Heathrow) can be booked for £357 on average our data indicates £2,053 when flying from San Francisco to London.

  • Can I find deals for flights from San Francisco to London that include hotel bookings?

    Yes. In addition to deals on San Francisco to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to London.

  • Can I find deals for business class flights from San Francisco to London?

    Yes. Cheapflights offers flight deals from San Francisco to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to London?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to London (average of £112). Flying from San Francisco to London in July is currently the most expensive (average of £160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from San Francisco to London

Discover the top 8 airlines that operate flights from San Francisco to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 953,013 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£431Average£443FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£447Average£585FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£453Average£608FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£456Average£617FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£469Average£656FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£482Average£701FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£486Average£725FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£541Average£735FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from San Francisco to London?

When you search for this flight from San Francisco to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from San Francisco.

Can Cheapflights find flights from San Francisco to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Francisco to London become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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