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Cheap flights from London to San Francisco from C$ 637

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 20/2. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
6:30 a.m. - 11:50 a.m.LHR-SFO
13h 20m1 stop
4:40 p.m. - 10:55 a.m.SFO-LHR
10h 15mdirect
C$ 637Delta
Find Deal
Thu, 20 Feb - Sun, 2 Mar
6:30 a.m. - 11:50 a.m.LHR-SFO
13h 20m1 stop
3:25 p.m. - 1:45 p.m.SFO-LHR
14h 20m1 stop
C$ 640Delta
Find Deal
Thu, 16 Jan - Tue, 11 Feb
8:55 a.m. - 4:25 p.m.LHR-SFO
15h 30m1 stop
12:30 a.m. - 7:30 a.m.SFO-LHR
23h 00m1 stop
C$ 681United Airlines
Find Deal
Mon, 25 Nov - Sun, 1 Dec
11:15 a.m. - 6:41 p.m.LHR-SFO
15h 26m1 stop
10:21 a.m. - 8:15 a.m.SFO-LHR
13h 54m1 stop
C$ 682British Airways
Find Deal
Thu, 21 Nov - Thu, 5 Dec
1:30 p.m. - 8:05 p.m.LHR-SFO
14h 35m1 stop
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 683United Airlines
Find Deal
Sun, 24 Nov - Mon, 9 Dec
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
5:30 p.m. - 12:00 p.m.SFO-LHR
10h 30mdirect
C$ 690British Airways
Find Deal
Sun, 24 Nov - Mon, 2 Dec
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
6:30 p.m. - 12:00 p.m.SFO-LHR
10h 30mdirect
C$ 697Finnair
Find Deal
Thu, 23 Jan - Sat, 22 Mar
8:55 a.m. - 5:25 p.m.LHR-SFO
15h 30m1 stop
3:55 p.m. - 9:25 a.m.SFO-LHR
10h 30mdirect
C$ 706
Find Deal
Sat, 22 Mar - Sat, 29 Mar
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
8:40 p.m. - 3:15 p.m.SFO-LHR
10h 35mdirect
C$ 738Finnair
Find Deal
Sun, 24 Nov - Mon, 9 Dec
8:55 a.m. - 4:25 p.m.LHR-SFO
15h 30m1 stop
5:25 p.m. - 12:00 p.m.SFO-LHR
10h 35mdirect
C$ 879
Find Deal
Fri, 6 Dec - Wed, 1 Jan
7:55 p.m. - 2:55 p.m.LHR-SFO
27h 00m1 stop
C$ 784TAP AIR PORTUGAL
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Fri, 22 Nov
4:30 p.m. - 2:45 p.m.LHR-SFO
30h 15m1 stop
C$ 794TAP AIR PORTUGAL
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Sun, 12 Jan
7:55 p.m. - 2:45 p.m.LHR-SFO
26h 50m1 stop
C$ 947TAP AIR PORTUGAL
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Sun, 17 Nov
8:25 a.m. - 9:38 p.m.LHR-SFO
21h 13m1 stop
C$ 994JetBlue
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Mon, 13 Jan
8:55 a.m. - 4:25 p.m.LHR-SFO
15h 30m1 stop
C$ 1,035SWISS
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Mon, 11 Nov
8:25 a.m. - 9:38 p.m.LHR-SFO
21h 13m1 stop
C$ 1,049JetBlue
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Fri, 17 Jan
1:45 p.m. - 4:55 p.m.LHR-SFO
11h 10mdirect
C$ 1,050United Airlines
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Thu, 28 Nov
10:00 a.m. - 1:07 a.m.LHR-SFO
23h 07m3 stops
C$ 1,057United Airlines
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Thu, 14 Nov
8:00 a.m. - 11:59 p.m.LHR-SFO
23h 59m2 stops
C$ 1,065United Airlines
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Fri, 29 Nov
12:15 p.m. - 10:42 p.m.LHR-SFO
18h 27m2 stops
C$ 1,272
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Sun, 8 Dec
1:45 p.m. - 4:55 p.m.LHR-SFO
11h 10mdirect
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 697United Airlines
Find Deal
Sat, 9 Nov - Sat, 16 Nov
1:45 p.m. - 4:55 p.m.LHR-SFO
11h 10mdirect
4:32 p.m. - 1:30 p.m.SFO-LHR
12h 58m1 stop
C$ 703United Airlines
Find Deal
Sat, 9 Nov - Sat, 16 Nov
6:30 a.m. - 11:50 a.m.LHR-SFO
13h 20m1 stop
4:40 p.m. - 10:55 a.m.SFO-LHR
10h 15mdirect
C$ 764Delta
Find Deal
Thu, 7 Nov - Tue, 21 Jan
11:40 a.m. - 2:45 p.m.LHR-SFO
11h 05mdirect
4:40 p.m. - 10:55 a.m.SFO-LHR
10h 15mdirect
C$ 781Delta
Find Deal
Thu, 7 Nov - Tue, 21 Jan
6:40 a.m. - 3:40 p.m.LHR-SFO
17h 00m1 stop
5:30 p.m. - 4:00 p.m.SFO-LHR
14h 30m1 stop
C$ 827Scandinavian Airlines
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Thu, 7 Nov - Fri, 24 Jan
1:40 p.m. - 2:15 p.m.LHR-SFO
32h 35m1 stop
4:35 p.m. - 5:30 p.m.SFO-LHR
16h 55m1 stop
C$ 828TAP AIR PORTUGAL
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Thu, 7 Nov - Wed, 13 Nov
7:55 p.m. - 2:15 p.m.LHR-SFO
26h 20m1 stop
4:35 p.m. - 5:30 p.m.SFO-LHR
16h 55m1 stop
C$ 830TAP AIR PORTUGAL
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Thu, 7 Nov - Wed, 22 Jan
7:30 p.m. - 3:40 p.m.LHR-SFO
28h 10m1 stop
5:30 p.m. - 4:00 p.m.SFO-LHR
14h 30m1 stop
C$ 867Scandinavian Airlines
Find Deal
Fri, 8 Nov - Fri, 15 Nov
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
8:40 p.m. - 3:15 p.m.SFO-LHR
10h 35mdirect
C$ 880British Airways
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Thu, 7 Nov - Sun, 19 Jan
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
5:30 p.m. - 12:00 p.m.SFO-LHR
10h 30mdirect
C$ 883British Airways
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Fri, 8 Nov - Mon, 20 Jan
3:20 p.m. - 6:45 p.m.LHR-SFO
11h 25mdirect
5:30 p.m. - 12:00 p.m.SFO-LHR
10h 30mdirect
C$ 675British Airways
Find Deal
Thu, 30 Jan - Fri, 14 Feb
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
5:30 p.m. - 12:00 p.m.SFO-LHR
10h 30mdirect
C$ 679British Airways
Find Deal
Fri, 31 Jan - Fri, 14 Feb
11:40 a.m. - 2:45 p.m.LHR-SFO
11h 05mdirect
4:40 p.m. - 10:55 a.m.SFO-LHR
10h 15mdirect
C$ 683Delta
Find Deal
Sat, 7 Dec - Mon, 13 Jan
11:40 a.m. - 2:45 p.m.LHR-SFO
11h 05mdirect
4:40 p.m. - 10:55 a.m.SFO-LHR
10h 15mdirect
C$ 685Delta
Find Deal
Sun, 24 Nov - Tue, 10 Dec
10:05 a.m. - 1:15 p.m.LHR-SFO
11h 10mdirect
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 696United Airlines
Find Deal
Wed, 20 Nov - Sun, 1 Dec
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
6:30 p.m. - 12:00 p.m.SFO-LHR
10h 30mdirect
C$ 697Finnair
Find Deal
Thu, 23 Jan - Sat, 22 Mar
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
8:40 p.m. - 3:15 p.m.SFO-LHR
10h 35mdirect
C$ 738Finnair
Find Deal
Sun, 24 Nov - Mon, 9 Dec
1:45 p.m. - 4:55 p.m.LHR-SFO
11h 10mdirect
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 795Austrian Airlines
Find Deal
Tue, 24 Dec - Thu, 9 Jan
10:05 a.m. - 2:15 p.m.LHR-SFO
11h 10mdirect
12:55 p.m. - 7:25 a.m.SFO-LHR
10h 30mdirect
C$ 817Austrian Airlines
Find Deal
Fri, 14 Mar - Wed, 23 Apr
1:45 p.m. - 4:55 p.m.LHR-SFO
11h 10mdirect
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 849United Airlines
Find Deal
Wed, 4 Dec - Sun, 29 Dec

Scandinavian Airlines flights from London to San Francisco

Our best Scandinavian Airlines deals on London to San Francisco flight tickets
Scandinavian Airlines
6 Dec
LHR7:50 p.m.London Heathrow
27h 50m
2 stops
SFO3:40 p.m.San Francisco
28 Dec
SFO5:30 p.m.San Francisco
14h 30m
1 stop
LHR4:00 p.m.London Heathrow
Scandinavian Airlines
12 Dec
LHR7:50 p.m.London Heathrow
27h 50m
2 stops
SFO3:40 p.m.San Francisco
23 Jan
SFO5:30 p.m.San Francisco
20h 10m
1 stop
LHR9:40 p.m.London Heathrow
Scandinavian Airlines
2 Feb
LHR9:05 p.m.London Heathrow
26h 35m
2 stops
SFO3:40 p.m.San Francisco
9 Feb
SFO5:30 p.m.San Francisco
20h 05m
2 stops
LHR9:35 p.m.London Heathrow

TAP AIR PORTUGAL flights from London to San Francisco

Our best TAP AIR PORTUGAL deals on London to San Francisco flight tickets
TAP AIR PORTUGAL
17 Jan
LHR1:40 p.m.London Heathrow
33h 15m
1 stop
SFO2:55 p.m.San Francisco
6 May
SFO4:20 p.m.San Francisco
17h 25m
1 stop
LHR5:45 p.m.London Heathrow
TAP AIR PORTUGAL
15 Mar
LHR6:00 a.m.London Heathrow
16h 55m
1 stop
SFO3:55 p.m.San Francisco
24 Apr
SFO4:20 p.m.San Francisco
17h 25m
1 stop
LHR5:45 p.m.London Heathrow
TAP AIR PORTUGAL
21 Nov
LHR7:55 p.m.London Heathrow
26h 20m
1 stop
SFO2:15 p.m.San Francisco
4 Dec
SFO4:35 p.m.San Francisco
16h 55m
1 stop
LHR5:30 p.m.London 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 typical price of a round-trip flight between London and San Francisco?

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?

Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Sunday

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

In the morning. London to San Francisco flights are approximately 5% more expensive at noon 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, 31 flights take off from London and land in San Francisco each day. The most common flight departure time for this route is 11:00a.m., with 61% of daily flights taking off at noon.

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

217 flights are operational weekly from London to San Francisco as of November 2024. The most popular departure day for this route is Sunday, with 14% of flights per week 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 25% 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 round-trip 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

C$ 784

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 C$ 784. The best round-trip flight deal from London to San Francisco found on momondo in the last 72 hours is C$ 637.
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 distance between London and San Francisco is about 8609.4 km. Flights usually cover this in 11h 05m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to San Francisco Airport refresh daily.

  • 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 layovers. 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 required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from London.

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

Yes. momondo allows you to filter the results for London to San Francisco flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between London and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of London to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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