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Cheap flights from London to San Francisco from $575

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 20/11. 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
$694Delta
Find Deal
Thu, 20 Feb - Sun, 2 Mar
06:30 - 11:50LHR-SFO
13h 20m1 stop
15:25 - 13:45SFO-LHR
14h 20m1 stop
$699Delta
Find Deal
Wed, 15 Jan - Sun, 19 Jan
06:30 - 11:50LHR-SFO
13h 20m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
$700Delta
Find Deal
Sat, 18 Jan - Mon, 27 Jan
15:20 - 19:45LHR-SFO
11h 25mdirect
18:30 - 12:00SFO-LHR
10h 30mdirect
$737British Airways
Find Deal
Fri, 21 Mar - Wed, 26 Mar
08:55 - 16:25LHR-SFO
15h 30m1 stop
12:50 - 07:25SFO-LHR
10h 35mdirect
Wed, 20 Nov - Sun, 1 Dec
08:55 - 16:25LHR-SFO
15h 30m1 stop
12:50 - 07:25SFO-LHR
10h 35mdirect
Thu, 5 Dec - Mon, 9 Dec
06:30 - 12:35LHR-SFO
14h 05m1 stop
12:50 - 07:25SFO-LHR
10h 35mdirect
$746Lufthansa
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Sun, 24 Nov - Tue, 3 Dec
06:30 - 12:35LHR-SFO
14h 05m1 stop
17:25 - 12:00SFO-LHR
10h 35mdirect
$747Lufthansa
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Wed, 11 Dec - Thu, 23 Jan
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
$766British Airways
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Sat, 23 Nov - Sun, 1 Dec
09:10 - 20:29LHR-SFO
19h 19m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
$939Virgin Atlantic
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Sat, 14 Dec - Thu, 23 Jan
07:55 - 20:10LGW-SFO
20h 15m1 stop
Wed, 20 Nov
07:55 - 20:10LGW-SFO
20h 15m1 stop
Sun, 2 Feb
06:00 - 14:35LHR-SFO
16h 35m1 stop
$871TAP AIR PORTUGAL
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Tue, 15 Apr
21:30 - 14:55LGW-SFO
25h 25m2 stops
$874TAP AIR PORTUGAL
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Fri, 22 Nov
18:45 - 16:25LGW-SFO
29h 40m1 stop
$1,125SWISS
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Mon, 11 Nov
08:55 - 16:25LHR-SFO
15h 30m1 stop
$1,130SWISS
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Mon, 11 Nov
08:25 - 17:16LHR-SFO
16h 51m1 stop
$1,137JetBlue
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Mon, 25 Nov
07:25 - 20:14LHR-SFO
20h 49m1 stop
$1,148JetBlue
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Mon, 20 Jan
13:00 - 19:37LGW-SFO
14h 37m1 stop
$2,076British Airways
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Sat, 26 Apr
09:10 - 15:30LCY-SFO
14h 20m1 stop
$2,119British Airways
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Tue, 7 Jan
15:20 - 22:59LHR-SFO
15h 39m1 stop
08:35 - 07:30SFO-LHR
14h 55m1 stop
$785United Airlines
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Thu, 7 Nov - Thu, 14 Nov
11:40 - 14:45LHR-SFO
11h 05mdirect
10:12 - 10:00SFO-LHR
15h 48m1 stop
$865Delta
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Thu, 7 Nov - Sat, 16 Nov
15:55 - 14:15LGW-SFO
30h 20m1 stop
16:40 - 15:45SFO-LGW
15h 05m1 stop
$906TAP AIR PORTUGAL
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Thu, 7 Nov - Mon, 11 Nov
09:35 - 14:15LGW-SFO
60h 40m2 stops
16:40 - 15:45SFO-LGW
15h 05m1 stop
$941TAP AIR PORTUGAL
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Wed, 6 Nov - Mon, 11 Nov
19:30 - 15:40LHR-SFO
28h 10m1 stop
17:30 - 18:30SFO-LHR
17h 00m1 stop
$944Scandinavian Airlines
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Wed, 6 Nov - Thu, 14 Nov
19:30 - 15:40LHR-SFO
28h 10m1 stop
17:30 - 16:00SFO-LHR
14h 30m1 stop
$948Scandinavian Airlines
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Wed, 6 Nov - Mon, 11 Nov
11:40 - 14:45LHR-SFO
11h 05mdirect
13:40 - 10:00SFO-LHR
12h 20m1 stop
$971Virgin Atlantic
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Sun, 3 Nov - Sat, 16 Nov
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
$974British Airways
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Tue, 5 Nov - Wed, 13 Nov
10:45 - 16:13LHR-SFO
13h 28m1 stop
13:40 - 10:00SFO-LHR
12h 20m1 stop
$980Virgin Atlantic
Find Deal
Sun, 3 Nov - Sat, 16 Nov
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
$1,565British Airways
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Tue, 5 Nov - Fri, 15 Nov
15:20 - 19:45LHR-SFO
11h 25mdirect
18:30 - 12:00SFO-LHR
10h 30mdirect
$737British 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
$743British 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
$746Delta
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Sat, 7 Dec - Mon, 13 Jan
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
$747Delta
Find Deal
Thu, 5 Dec - Mon, 9 Dec
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
$752Virgin Atlantic
Find Deal
Mon, 25 Nov - Mon, 9 Dec
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
$761United Airlines
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Thu, 14 Nov - Fri, 29 Nov
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
$816Finnair
Find Deal
Sun, 24 Nov - Mon, 9 Dec
11:45 - 16:00LHR-SFO
11h 15mdirect
15:30 - 10:00SFO-LHR
10h 30mdirect
$865Finnair
Find Deal
Sat, 22 Mar - Mon, 7 Apr
10:35 - 13:40LHR-SFO
11h 05mdirect
12:55 - 07:25SFO-LHR
10h 30mdirect
$965United Airlines
Find Deal
Mon, 21 Apr - Tue, 6 May
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
$1,058Virgin Atlantic
Find Deal
Sat, 14 Dec - Thu, 23 Jan

Delta flights from London to San Francisco

Our best Delta deals on London to San Francisco flight tickets
Delta
20 Feb
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
2 Mar
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow
Delta
15 Jan
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
19 Jan
SFO15:25San Francisco
14h 20m
1 stop
LHR13:45London Heathrow
Delta
18 Jan
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
27 Jan
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
9 Nov
LHR11:15London Heathrow
15h 28m
1 stop
SFO18:43San Francisco
14 Nov
SFO11:48San Francisco
13h 32m
1 stop
LHR09:20London Heathrow
British Airways
15 Nov
LHR11:45London Heathrow
11h 15m
SFO15:00San Francisco
5 Dec
SFO10:21San Francisco
13h 54m
1 stop
LHR08:15London 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?

Thursday. The cheapest day of the week is usually Thursday. The most expensive is usually Friday.

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

At midday. London to San Francisco flights are approximately 12% more expensive in the afternoon than at midday

What is the cheapest London to San Francisco flight route?

London Stansted - San Francisco. Fly from London Stansted 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 17 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, 124 flights take off from London and land in San Francisco each week. The most common flight departure day for this route is Wednesday, with 25% of weekly flights taking off on this day.

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

You could potentially save up to 49% 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

$575

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 $575. The best return flight deal from London to San Francisco found on momondo in the last 72 hours is $694.
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. Typically, this will take 11h 05m by plane in normal conditions.

  • 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 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 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 licence, 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?

  • What is the most popular airline 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. All flights to San Francisco from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for London to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to San Francisco from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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