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Cheap flights from London Heathrow Airport to San Francisco from $693

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Francisco departing on 2/2. 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 Heathrow Airport to San Francisco

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport 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 Heathrow Airport to San Francisco.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport 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 Heathrow Airport to San Francisco

Find recent round-trip train or bus tickets from London Heathrow Airport 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
$693Delta
Find Deal
Sun, 2 Feb - Sun, 9 Feb
06:30 - 11:50LHR-SFO
13h 20m1 stop
15:25 - 13:45SFO-LHR
14h 20m1 stop
$696Delta
Find Deal
Thu, 16 Jan - Tue, 11 Feb
06:30 - 12:35LHR-SFO
14h 05m1 stop
08:30 - 07:10SFO-LHR
14h 40m1 stop
$743United Airlines
Find Deal
Sun, 24 Nov - Sun, 1 Dec
06:00 - 19:00LHR-SFO
21h 00m2 stops
08:25 - 07:55SFO-LHR
15h 30m1 stop
$747Austrian Airlines
Find Deal
Wed, 27 Nov - Wed, 11 Dec
11:15 - 18:43LHR-SFO
15h 28m1 stop
17:30 - 12:00SFO-LHR
10h 30mdirect
$753British Airways
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Thu, 14 Nov - Tue, 26 Nov
13:45 - 16:55LHR-SFO
11h 10mdirect
16:32 - 13:30SFO-LHR
12h 58m1 stop
$756United Airlines
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Sat, 16 Nov - Mon, 18 Nov
11:45 - 16:00LHR-SFO
11h 15mdirect
13:01 - 11:05SFO-LHR
14h 04m1 stop
$758Finnair
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Sat, 15 Mar - Mon, 31 Mar
11:15 - 18:43LHR-SFO
15h 28m1 stop
17:30 - 12:00SFO-LHR
10h 30mdirect
$760British Airways
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Thu, 14 Nov - Mon, 25 Nov
15:35 - 00:22LHR-SFO
16h 47m1 stop
17:30 - 12:00SFO-LHR
10h 30mdirect
$766Finnair
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Wed, 8 Jan - Sun, 19 Jan
06:00 - 20:58LHR-SFO
22h 58m2 stops
07:15 - 20:35SFO-LHR
29h 20m1 stop
$769Austrian Airlines
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Sat, 25 Jan - Sat, 1 Feb
06:00 - 14:55LHR-SFO
16h 55m1 stop
$863TAP AIR PORTUGAL
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Sat, 25 Jan
06:00 - 14:55LHR-SFO
16h 55m1 stop
$866TAP AIR PORTUGAL
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Sat, 18 Jan
17:10 - 16:25LHR-SFO
31h 15m1 stop
$1,125SWISS
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Mon, 11 Nov
10:05 - 13:15LHR-SFO
11h 10mdirect
$1,142Austrian Airlines
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Tue, 12 Nov
10:00 - 01:07LHR-SFO
23h 07m3 stops
$1,149United Airlines
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Fri, 8 Nov
08:00 - 23:59LHR-SFO
23h 59m2 stops
$1,158United Airlines
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Fri, 29 Nov
10:05 - 13:15LHR-SFO
11h 10mdirect
$1,267United Airlines
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Fri, 29 Nov
07:25 - 20:14LHR-SFO
20h 49m1 stop
$1,345JetBlue
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Tue, 7 Jan
12:15 - 00:01LHR-SFO
19h 46m2 stops
$1,420Icelandair
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Wed, 8 Jan
12:20 - 00:24LHR-SFO
20h 04m1 stop
$1,599JetBlue
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Mon, 6 Jan
06:40 - 15:40LHR-SFO
17h 00m1 stop
17:30 - 16:00SFO-LHR
14h 30m1 stop
$943Scandinavian Airlines
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Fri, 8 Nov - Fri, 15 Nov
06:30 - 17:50LHR-SFO
19h 20m2 stops
12:40 - 09:45SFO-LHR
13h 05m1 stop
$947Delta
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Fri, 8 Nov - Fri, 15 Nov
08:40 - 20:33LHR-SFO
19h 53m2 stops
09:20 - 09:45SFO-LHR
16h 25m1 stop
$951Delta
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Fri, 8 Nov - Fri, 15 Nov
13:45 - 16:55LHR-SFO
11h 10mdirect
17:25 - 12:00SFO-LHR
10h 35mdirect
$966United Airlines
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Fri, 8 Nov - Fri, 15 Nov
10:05 - 13:15LHR-SFO
11h 10mdirect
17:25 - 12:00SFO-LHR
10h 35mdirect
$967United Airlines
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Thu, 7 Nov - Mon, 25 Nov
11:40 - 14:45LHR-SFO
11h 05mdirect
16:05 - 10:25SFO-LHR
10h 20mdirect
$1,017Virgin Atlantic
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Fri, 8 Nov - Wed, 23 Apr
09:10 - 20:33LHR-SFO
19h 23m1 stop
16:05 - 10:25SFO-LHR
10h 20mdirect
$1,026Virgin Atlantic
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Fri, 8 Nov - Wed, 23 Apr
19:25 - 19:00LHR-SFO
31h 35m2 stops
11:55 - 21:40SFO-LHR
49h 45m2 stops
$1,164Austrian Airlines
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Fri, 8 Nov - Wed, 23 Apr
07:00 - 16:25LHR-SFO
17h 25m2 stops
19:25 - 21:25SFO-LHR
18h 00m2 stops
$1,223SWISS
Find Deal
Fri, 8 Nov - Thu, 14 Nov
19:25 - 19:00LHR-SFO
31h 35m2 stops
14:40 - 08:20SFO-LHR
57h 40m2 stops
$1,326Austrian Airlines
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Fri, 8 Nov - Fri, 15 Nov
11:40 - 14:45LHR-SFO
11h 05mdirect
17:40 - 10:55SFO-LHR
10h 15mdirect
$752Delta
Find Deal
Mon, 25 Nov - Sun, 16 Mar
13:45 - 16:55LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
$756United Airlines
Find Deal
Sat, 16 Nov - Thu, 28 Nov
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
$758United Airlines
Find Deal
Sun, 10 Nov - Sun, 17 Nov
15:05 - 18:30LHR-SFO
11h 25mdirect
20:40 - 15:15SFO-LHR
10h 35mdirect
$775British Airways
Find Deal
Sun, 12 Jan - Sun, 19 Jan
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
$781Austrian Airlines
Find Deal
Thu, 9 Jan - Fri, 17 Jan
11:45 - 15:00LHR-SFO
11h 15mdirect
20:40 - 15:15SFO-LHR
10h 35mdirect
$802Finnair
Find Deal
Sun, 24 Nov - Mon, 9 Dec
11:45 - 15:00LHR-SFO
11h 15mdirect
20:40 - 15:15SFO-LHR
10h 35mdirect
$807Finnair
Find Deal
Sun, 24 Nov - Mon, 9 Dec
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
$917British Airways
Find Deal
Sat, 7 Dec - Sun, 29 Dec
11:40 - 14:45LHR-SFO
11h 05mdirect
16:05 - 10:25SFO-LHR
10h 20mdirect
$1,017Virgin Atlantic
Find Deal
Fri, 8 Nov - Wed, 23 Apr
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
$1,469Austrian Airlines
Find Deal
Sun, 22 Dec - Tue, 7 Jan

Austrian Airlines flights from London Heathrow Airport to San Francisco

Our best Austrian Airlines deals on London Heathrow Airport to San Francisco flight tickets
Austrian Airlines
27 Nov
LHR06:00London Heathrow
21h 00m
2 stops
SFO19:00San Francisco
11 Dec
SFO08:25San Francisco
15h 30m
1 stop
LHR07:55London Heathrow
Austrian Airlines
25 Jan
LHR06:00London Heathrow
22h 58m
2 stops
SFO20:58San Francisco
1 Feb
SFO07:15San Francisco
29h 20m
1 stop
LHR20:35London Heathrow
Austrian Airlines
9 Jan
LHR10:05London Heathrow
11h 10m
SFO13:15San Francisco
14 Jan
SFO12:50San Francisco
10h 35m
LHR07:25London Heathrow

British Airways flights from London Heathrow Airport to San Francisco

Our best British Airways deals on London Heathrow Airport to San Francisco flight tickets
British Airways
14 Nov
LHR11:15London Heathrow
15h 28m
1 stop
SFO18:43San Francisco
26 Nov
SFO17:30San Francisco
10h 30m
LHR12:00London Heathrow
British Airways
14 Nov
LHR11:15London Heathrow
15h 28m
1 stop
SFO18:43San Francisco
25 Nov
SFO17:30San Francisco
10h 30m
LHR12:00London Heathrow
British Airways
14 Nov
LHR11:15London Heathrow
15h 28m
1 stop
SFO18:43San Francisco
27 Nov
SFO17:30San Francisco
10h 30m
LHR12:00London Heathrow

How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow Airport to San Francisco?

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

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

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

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

In the afternoon. London Heathrow Airport to San Francisco flights are approximately 6% more expensive in the morning than in the afternoon

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

22 days before. The cheapest time to buy a flight from London Heathrow Airport to San Francisco is approximately 22 days to departure

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

The number of flights available between London Heathrow Airport and San Francisco is 31 per day as of November 2024. The most frequent departure time is 11:00, with 61% of daily flights leaving at midday.

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

As of November 2024, 217 flights take off from London Heathrow Airport and land in San Francisco each week. The most common flight departure day for this route is Monday, with 14% of weekly flights taking off on this day.

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

You could potentially save up to 24% on your flight if you consider stops on a London Heathrow Airport to San Francisco flight.

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

As of November 2024, prices for London Heathrow Airport to San Francisco flights are approximately 36% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to San Francisco

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

Cheap London Heathrow Airport to San Francisco (LHR to SFO) flight deals and tips

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

Best price found

$863

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 Heathrow Airport in the past 72 hours is $863. The best return flight deal from London Heathrow Airport to San Francisco found on momondo in the last 72 hours is $693.
The fastest flight from London Heathrow Airport to San Francisco takes 11h 05m
Direct flights go from London Heathrow Airport to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • How far is London Heathrow to San Francisco by plane?

    A flight from London Heathrow to San Francisco will travel around 8596.0 km. 11h 05m is a normal flight duration for this route.

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

    Prices for flights from London Heathrow Airport to San Francisco Airport are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport 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 Heathrow Airport to San Francisco?


Why use momondo?

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

It is quick and easy to find London to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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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