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Cheap flights from San Francisco to London from $590

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 29/12. 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 Monday or Tuesday and return on a Wednesday

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 726,782 searches. Data last updated 20 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 11/12

12:50-07:25

Nonstop10h 35m

London Heathrow

Fri 28/2

08:55-16:25

1 stop15h 30m

$941

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 16/1

17:30-16:00

1 stop14h 30m

London Heathrow

Thu 23/1

06:40-15:40

1 stop17h 00m

$943

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

$944

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

$953

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 13/1

17:30-12:00

Nonstop10h 30m

London Heathrow

Wed 26/2

15:20-18:45

Nonstop11h 25m

$967

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 2/12

13:40-10:00

1 stop12h 20m

London Heathrow

Wed 25/12

10:10-20:59

1 stop18h 49m

$984

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 6/12

20:35-20:50

2 stops16h 15m

London Heathrow

Sun 8/12

11:05-12:35

2 stops57h 30m

$1,006

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 15/1

19:25-21:25

2 stops18h 00m

London Heathrow

Mon 20/1

17:10-16:25

1 stop31h 15m

$1,029

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 2/12

17:30-16:40

1 stop15h 10m

London Heathrow

Mon 23/12

09:10-21:14

1 stop20h 04m

$1,032

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sat 29/3

17:30-10:55

Nonstop10h 25m

London Heathrow

Thu 17/4

10:10-13:15

Nonstop11h 05m

$1,033

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 26 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

$941

One-way from

$590

Popular in

June

Cheapest in

October
United Airlines
  • United Airlines
  • 11/12-28/2
  • 1 total stop
  • 26h 05m total
  • San Francisco to London
SWISS
  • SWISS
  • 29/12
  • 1 total stop
  • 14h 25m 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.

Wed 11/1212:50SFO - LHR
Nonstop10h 35mUnited Airlines
Fri 28/208:55LHR - SFO
1 stop15h 30mUnited Airlines
Deal found 20/11$941
Sun 29/1217:30SFO - LHR
1 stop14h 30mScandinavian Airlines
Fri 28/206:40LHR - SFO
1 stop17h 00mScandinavian Airlines
Deal found 19/11$943
Mon 2/1216:40SFO - LHR
Nonstop10h 15mDelta
Tue 10/1206:30LHR - SFO
1 stop13h 20mDelta
Deal found 20/11$944
Mon 30/1217:30SFO - LHR
Nonstop10h 30mBritish Airways
Fri 28/211:45LHR - SFO
Nonstop11h 15mBritish Airways
Deal found 19/11$967
Sun 24/1106:10SFO - LHR
1 stop16h 55mVirgin Atlantic
Wed 4/1211:40LHR - SFO
Nonstop11h 05mVirgin Atlantic
Deal found 20/11$970
Mon 2/1213:40SFO - LHR
1 stop12h 20mKLM
Wed 25/1210:10LHR - SFO
1 stop18h 49mKLM
Deal found 19/11$984
Fri 6/1220:35SFO - LHR
2 stops16h 15mBrussels Airlines
Sun 8/1211:05LHR - SFO
2 stops57h 30mBrussels Airlines
Deal found 20/11$1,006
Thu 5/1220:40SFO - LHR
Nonstop10h 35mFinnair
Fri 13/1211:45LHR - SFO
Nonstop11h 15mFinnair
Deal found 18/11$1,010
Wed 4/1219:25SFO - LHR
2 stops18h 00mSWISS
Thu 12/1207:00LHR - SFO
2 stops17h 25mSWISS
Deal found 20/11$1,056
Sun 1/1206:05SFO - LHR
1 stop22h 35mAir France
Tue 24/1210:45LHR - SFO
1 stop33h 51mAir France
Deal found 19/11$1,064
Thu 5/1211:55SFO - LHR
2 stops49h 45mAustrian Airlines
Mon 9/1219:25LHR - SFO
2 stops31h 52mAustrian Airlines
Deal found 19/11$1,079
Wed 11/1212:50SFO - LHR
Nonstop10h 35mMultiple Airlines
Sun 22/1220:05LHR - SFO
1 stop28h 20mMultiple Airlines
Deal found 19/11$1,130

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 best time to book flights from San Francisco to London is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from San Francisco to London (average of $1,040). Flying from San Francisco to London in December is currently the most expensive (average of $1,537). 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 decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.
See what other customers who have flown with United Airlines, Scandinavian Airlines and Virgin Atlantic from San Francisco to London have to say. You can also see how each airline compares 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.

8.0
Very Good
9,458 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.

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 19.0 km from the city centre, San Francisco is the airport most travellers 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 0 different airlines.

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

    Currently priced at $941, United Airlines will fly you from San Francisco to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and Delta - these airlines can fly you to your destination from $943 and $944, respectively. United Airlines is priced at 22% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is SWISS, with whom users have recently found tickets for as low as $590. However, be on the lookout for offers from JetBlue and Lufthansa, as they are both options that can get you from San Francisco to London for a low price.

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

    Consider American Airlines (79%), Aer Lingus (79%) or Alaska Airlines (79%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to London.

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

    Looking for the cheapest flight from San Francisco to London? While on average our users pay $1,091, our data indicates the cheapest price to be $924. The most popular route (San Francisco - London Heathrow), is priced around $3,146.

  • 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, October is the cheapest month in which you can book a flight from San Francisco to London (average of $1,040). Flying from San Francisco to London in December is currently the most expensive (average of $1,537). 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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to London.

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, Cheapflights offers price alerts on San Francisco to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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