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Cheap flights from London to San Francisco from €421

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to San Francisco

Cheap return flights

These are some of the best return flight deals from London to San Francisco that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to San Francisco.

Cheap last-minute flights

Planning a quick getaway from London to San Francisco? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Francisco, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to San Francisco

Find recent round-trip train or bus tickets from London to San Francisco.

All round-trip flight deals to San Francisco

The cheapest plane tickets to San Francisco found on KAYAK recently.
06:30 - 11:50LHR-SFO
13h 20m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€421Delta
Find Deal
Tue, 11 Feb - Thu, 6 Mar
06:30 - 11:50LHR-SFO
13h 20m1 stop
17:40 - 10:55SFO-LHR
10h 15mdirect
€422Delta
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Thu, 23 Jan - Sun, 23 Mar
06:30 - 11:50LHR-SFO
13h 20m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€434Virgin Atlantic
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Sun, 24 Nov - Tue, 10 Dec
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€436Virgin Atlantic
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Sun, 24 Nov - Mon, 9 Dec
15:20 - 19:45LHR-SFO
11h 25mdirect
18:30 - 12:00SFO-LHR
10h 30mdirect
€447British Airways
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Fri, 21 Mar - Wed, 26 Mar
08:55 - 16:25LHR-SFO
15h 30m1 stop
14:20 - 13:30SFO-LHR
15h 10m1 stop
€450United Airlines
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Mon, 25 Nov - Mon, 2 Dec
11:15 - 18:41LHR-SFO
15h 26m1 stop
10:21 - 08:15SFO-LHR
13h 54m1 stop
€451British Airways
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Thu, 21 Nov - Thu, 5 Dec
06:30 - 12:35LHR-SFO
14h 05m1 stop
16:27 - 13:30SFO-LHR
13h 03m1 stop
€452United Airlines
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Wed, 20 Nov - Thu, 5 Dec
06:30 - 12:35LHR-SFO
14h 05m1 stop
12:50 - 07:25SFO-LHR
10h 35mdirect
€453Lufthansa
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Wed, 11 Dec - Mon, 20 Jan
06:30 - 13:35LHR-SFO
14h 05m1 stop
12:55 - 07:25SFO-LHR
10h 30mdirect
€469Lufthansa
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Wed, 19 Mar - Sun, 30 Mar
19:55 - 14:55LHR-SFO
27h 00m1 stop
€519TAP AIR PORTUGAL
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Fri, 22 Nov
16:30 - 14:45LHR-SFO
30h 15m1 stop
€525TAP AIR PORTUGAL
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Sun, 12 Jan
08:25 - 21:38LHR-SFO
21h 13m1 stop
€658JetBlue
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Mon, 13 Jan
08:55 - 16:25LHR-SFO
15h 30m1 stop
€685SWISS
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Mon, 11 Nov
08:55 - 16:25LHR-SFO
15h 30m1 stop
€688United Airlines
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Mon, 25 Nov
10:05 - 13:15LHR-SFO
11h 10mdirect
€694Austrian Airlines
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Fri, 29 Nov
13:45 - 16:55LHR-SFO
11h 10mdirect
€695Austrian Airlines
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Thu, 21 Nov
07:25 - 20:14LHR-SFO
20h 49m1 stop
€696JetBlue
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Mon, 20 Jan
13:45 - 16:55LHR-SFO
11h 10mdirect
€698United Airlines
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Wed, 27 Nov
06:00 - 16:25LHR-SFO
18h 25m1 stop
€1,193SWISS
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Tue, 14 Jan
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
€463United Airlines
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Fri, 8 Nov - Fri, 15 Nov
10:05 - 13:15LHR-SFO
11h 10mdirect
16:27 - 13:30SFO-LHR
13h 03m1 stop
€467United Airlines
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Fri, 8 Nov - Fri, 15 Nov
13:40 - 14:15LHR-SFO
32h 35m1 stop
16:35 - 17:30SFO-LHR
16h 55m1 stop
€548TAP AIR PORTUGAL
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Thu, 7 Nov - Wed, 13 Nov
19:30 - 15:40LHR-SFO
28h 10m1 stop
17:30 - 18:30SFO-LHR
17h 00m1 stop
€572Scandinavian Airlines
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Wed, 6 Nov - Thu, 14 Nov
06:40 - 15:40LHR-SFO
17h 00m1 stop
17:30 - 16:00SFO-LHR
14h 30m1 stop
€574Scandinavian Airlines
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Thu, 7 Nov - Fri, 15 Nov
06:20 - 13:10LHR-SFO
14h 50m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€576Delta
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Wed, 6 Nov - Mon, 11 Nov
06:30 - 11:50LHR-SFO
13h 20m1 stop
06:00 - 07:55SFO-LHR
17h 55m1 stop
€577Delta
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Thu, 7 Nov - Tue, 12 Nov
06:20 - 13:10LHR-SFO
14h 50m1 stop
12:53 - 11:10SFO-LHR
14h 17m1 stop
€581Delta
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Wed, 6 Nov - Tue, 12 Nov
11:45 - 15:00LHR-SFO
11h 15mdirect
11:48 - 09:20SFO-LHR
13h 32m1 stop
€588British Airways
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Thu, 7 Nov - Thu, 14 Nov
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
€605British Airways
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Tue, 5 Nov - Wed, 13 Nov
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€436Virgin Atlantic
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Sun, 24 Nov - Mon, 9 Dec
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€438Virgin Atlantic
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Sun, 24 Nov - Tue, 10 Dec
15:20 - 19:45LHR-SFO
11h 25mdirect
18:30 - 12:00SFO-LHR
10h 30mdirect
€447British Airways
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Fri, 21 Mar - Wed, 26 Mar
15:20 - 18:45LHR-SFO
11h 25mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
€450British Airways
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Tue, 10 Dec - Fri, 24 Jan
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€452Delta
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Sat, 7 Dec - Mon, 13 Jan
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€455Delta
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Wed, 11 Dec - Tue, 21 Jan
13:45 - 16:55LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
€461United Airlines
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Thu, 21 Nov - Fri, 29 Nov
11:45 - 15:00LHR-SFO
11h 15mdirect
18:30 - 12:00SFO-LHR
10h 30mdirect
€462Finnair
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Thu, 23 Jan - Sat, 22 Mar
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
€490Finnair
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Sun, 24 Nov - Tue, 10 Dec
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
€562United Airlines
Find Deal
Fri, 13 Dec - Thu, 9 Jan

Virgin Atlantic flights from London to San Francisco

Our best Virgin Atlantic deals on London to San Francisco flight tickets
Virgin Atlantic
24 Nov
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
10 Dec
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow
Virgin Atlantic
24 Nov
LHR11:40London Heathrow
11h 05m
SFO14:45San Francisco
9 Dec
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow
Virgin Atlantic
24 Nov
LHR11:40London Heathrow
11h 05m
SFO14:45San Francisco
10 Dec
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow

British Airways flights from London to San Francisco

Our best British Airways deals on London to San Francisco flight tickets
British Airways
21 Mar
LHR15:20London Heathrow
11h 25m
SFO19:45San Francisco
26 Mar
SFO18:30San Francisco
10h 30m
LHR12:00London Heathrow
British Airways
21 Nov
LHR11:15London Heathrow
15h 26m
1 stop
SFO18:41San Francisco
5 Dec
SFO10:21San Francisco
13h 54m
1 stop
LHR08:15London Heathrow
British Airways
10 Dec
LHR15:20London Heathrow
11h 25m
SFO18:45San Francisco
25 Jan
SFO17:30San Francisco
10h 30m
LHR12:00London Heathrow

How to get the cheapest flight ticket from London to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

February. The cheapest time of year to fly to San Francisco from London is February. The most expensive is August.

What is the cheapest day to depart London for San Francisco?

Saturday. The cheapest day of the week is usually Saturday. The most expensive is usually Saturday.

When is the cheapest time to fly from London to San Francisco?

In the morning. London to San Francisco flights are approximately 13% more expensive in the afternoon than in the morning

What is the cheapest London to San Francisco flight route?

London Heathrow - San Francisco. Fly from London Heathrow to San Francisco for the best London - San Francisco flight prices

How far in advance should you book London to San Francisco flights?

24 days before. The cheapest time to buy a flight from London to San Francisco is approximately 24 days to departure

How many flights depart from London to San Francisco on average per day?

As of November 2024, there are 8 flights per week flying from London to San Francisco. The most common time of day flights depart is 11:00, with 55% of flights taking off at midday.

How many flights depart from London to San Francisco on average per week?

As of November 2024, there are 62 flights per week flying from London to San Francisco. The most common day of the week flights depart is Friday, with 50% of flights taking off on this day.

Can stopping save me money on London to San Francisco flights?

You could potentially save up to 25% on your flight if you consider stops on a London to San Francisco flight.

How have London to San Francisco flight prices changed over time?

As of November 2024, prices for London to San Francisco flights are approximately 26% more expensive when compared to flights at the same time last year.

When to book flights from London to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from London to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to San Francisco (LON to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to San Francisco

Best price found

€519

Fastest flight time

11h 05m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from London in the past 72 hours is €519. The best return flight deal from London to San Francisco found on momondo in the last 72 hours is €421.
The fastest flight from London to San Francisco takes 11h 05m
Direct flights go from London to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • How far is London to San Francisco by plane?

    The straight-line distance from London to San Francisco is 8609.4 km. By plane, this route typically takes 11h 05m.

  • When did momondo last update prices for flights from London to San Francisco Airport?

    Prices for flights from London to San Francisco Airport were last updated today.

  • How old do you have to be to fly from London to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to San Francisco?


Why use momondo?

Why should I use momondo to find a flight deal from London to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to San Francisco for you.

Can I find flights from London to San Francisco with flexible booking policies on momondo?

All flight searches from London to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to San Francisco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from London.

I’m not ready to book a flight from London to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from London and alert you when they change.


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