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Cheap flights from London Heathrow Airport to San Francisco from $337

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 Heathrow Airport to San Francisco departing on 2/10. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
6:30 pm - 2:15 pmLHR-SFO
27h 45m1 stop
4:35 pm - 10:40 pmSFO-LHR
22h 05m1 stop
$477TAP AIR PORTUGAL
Find Deal
Thu, Jan 16 - Wed, Jan 29
6:30 pm - 2:15 pmLHR-SFO
27h 45m1 stop
4:35 pm - 9:35 pmSFO-LHR
21h 00m1 stop
$478TAP AIR PORTUGAL
Find Deal
Thu, Jan 16 - Wed, Jan 29
11:10 am - 6:45 pmLHR-SFO
15h 35m1 stop
2:55 pm - 1:30 pmSFO-LHR
14h 35m1 stop
$540Lufthansa
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Tue, Feb 11 - Thu, Feb 27
7:40 am - 2:50 pmLHR-SFO
15h 10m1 stop
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$569Lufthansa
Find Deal
Mon, Jan 13 - Mon, Jan 27
8:55 am - 4:25 pmLHR-SFO
15h 30m1 stop
8:26 am - 6:40 amSFO-LHR
14h 14m1 stop
$594United Airlines
Find Deal
Mon, Feb 10 - Tue, Feb 25
8:30 am - 4:05 pmLHR-SFO
15h 35m1 stop
7:45 pm - 2:10 pmSFO-LHR
10h 25mnonstop
$604United Airlines
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Wed, Apr 23 - Tue, May 6
3:05 pm - 6:30 pmLHR-SFO
11h 25mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$606British Airways
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Thu, Jan 16 - Thu, Jan 23
6:30 am - 12:50 pmLHR-SFO
13h 20m1 stop
5:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$608Delta
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Thu, Mar 20 - Mon, Mar 24
11:45 am - 4:00 pmLHR-SFO
11h 15mnonstop
7:20 pm - 1:45 pmSFO-LHR
10h 25mnonstop
$617British Airways
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Mon, Mar 17 - Fri, Apr 4
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
10:15 pm - 4:35 pmSFO-LHR
10h 20mnonstop
$626Delta
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Sun, Jan 19 - Fri, May 2
2:50 pm - 1:06 pmLHR-SFO
30h 16m1 stop
$337WestJet
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Mon, Feb 10
3:15 pm - 6:25 pmLHR-SFO
59h 10m3 stops
Thu, Jan 23
5:50 pm - 11:50 amLHR-SFO
26h 00m1 stop
$491Virgin Atlantic
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Fri, Feb 7
4:35 pm - 10:52 amLHR-SFO
26h 17m1 stop
$567Virgin Atlantic
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Tue, Dec 24
8:30 am - 4:00 pmLHR-SFO
15h 30m1 stop
$604Lufthansa
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Mon, Jan 20
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
$609Iberia
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Wed, Jan 22
8:15 pm - 2:50 pmLHR-SFO
26h 35m1 stop
$612Lufthansa
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Mon, Jan 13
7:00 pm - 12:20 pmLHR-SFO
25h 20m1 stop
$615British Airways
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Mon, Dec 30
7:50 pm - 12:33 pmLHR-SFO
24h 43m1 stop
$623British Airways
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Wed, Jan 8
10:40 am - 9:04 pmLHR-SFO
18h 24m1 stop
$635Iberia
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Tue, Dec 31
8:25 pm - 11:50 amLHR-SFO
23h 25m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$679KLM
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Mon, Dec 23 - Mon, Dec 30
8:25 pm - 11:50 amLHR-SFO
23h 25m1 stop
10:15 am - 10:00 amSFO-LHR
15h 45m1 stop
$682KLM
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Mon, Dec 23 - Mon, Dec 30
11:45 am - 11:50 amLHR-SFO
32h 05m1 stop
6:00 am - 12:40 pmSFO-LHR
22h 40m1 stop
$702Delta
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Mon, Dec 23 - Wed, Jan 1
8:30 am - 12:35 pmLHR-SFO
36h 05m1 stop
1:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$846Lufthansa
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Mon, Dec 23 - Wed, Oct 29
11:45 am - 11:50 amLHR-SFO
32h 05m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$861Delta
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Mon, Dec 23 - Wed, Jan 1
12:05 pm - 4:25 pmLHR-SFO
36h 20m1 stop
12:32 am - 7:30 amSFO-LHR
23h 58m1 stop
$920United Airlines
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Mon, Dec 23 - Tue, Oct 28
1:45 pm - 4:25 pmLHR-SFO
34h 40m1 stop
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$933United Airlines
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Mon, Dec 23 - Mon, Dec 30
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$939Lufthansa
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Fri, Dec 20 - Sun, Jan 19
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
$1,037British Airways
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Sat, Dec 21 - Sat, Dec 28
8:40 am - 8:15 pmLHR-SFO
19h 35m1 stop
11:25 pm - 6:35 amSFO-LHR
23h 10m1 stop
$1,186British Airways
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Sat, Dec 21 - Sun, Dec 22
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$547Virgin Atlantic
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Fri, Jan 17 - Fri, Jan 24
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
$551British Airways
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Thu, Feb 6 - Sat, Feb 22
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
$571Iberia
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Sat, Jan 18 - Sat, Jan 25
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
1:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$573Lufthansa
Find Deal
Mon, Mar 3 - Thu, Mar 13
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$576Iberia
Find Deal
Wed, Jan 15 - Wed, Jan 22
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$580Lufthansa
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Mon, Jan 27 - Tue, Feb 11
11:40 am - 3:45 pmLHR-SFO
11h 05mnonstop
5:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$589Delta
Find Deal
Fri, Mar 14 - Fri, Mar 21
11:40 am - 3:45 pmLHR-SFO
11h 05mnonstop
5:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$621Delta
Find Deal
Thu, Mar 20 - Tue, Mar 25
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
7:40 pm - 2:10 pmSFO-LHR
10h 30mnonstop
$650United Airlines
Find Deal
Mon, Jan 13 - Wed, Apr 30
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
3:55 pm - 10:25 amSFO-LHR
10h 30mnonstop
$653United Airlines
Find Deal
Mon, Jan 13 - Sat, May 3

Scandinavian Airlines flights from London Heathrow Airport to San Francisco

Our best Scandinavian Airlines deals on London Heathrow Airport to San Francisco flight tickets
Scandinavian Airlines
Jan 18
LHR6:40 amLondon Heathrow
17h 00m
1 stop
SFO3:40 pmSan Francisco
Jan 25
SFO5:30 pmSan Francisco
20h 05m
2 stops
LHR9:35 pmLondon Heathrow
Scandinavian Airlines
Jan 31
LHR6:40 amLondon Heathrow
17h 00m
1 stop
SFO3:40 pmSan Francisco
Feb 7
SFO5:30 pmSan Francisco
31h 50m
1 stop
LHR9:20 amLondon Heathrow
Scandinavian Airlines
Jan 31
LHR7:30 pmLondon Heathrow
28h 10m
1 stop
SFO3:40 pmSan Francisco
Feb 9
SFO5:30 pmSan Francisco
14h 30m
1 stop
LHR4:00 pmLondon Heathrow

Lufthansa flights from London Heathrow Airport to San Francisco

Our best Lufthansa deals on London Heathrow Airport to San Francisco flight tickets
Lufthansa
Feb 11
LHR11:10 amLondon Heathrow
15h 35m
1 stop
SFO6:45 pmSan Francisco
Feb 27
SFO2:55 pmSan Francisco
14h 35m
1 stop
LHR1:30 pmLondon Heathrow
Lufthansa
Jan 13
LHR7:40 amLondon Heathrow
15h 10m
1 stop
SFO2:50 pmSan Francisco
Jan 27
SFO12:50 pmSan Francisco
10h 35m
LHR7:25 amLondon Heathrow
Lufthansa
Jan 18
LHR6:35 amLondon Heathrow
16h 15m
1 stop
SFO2:50 pmSan Francisco
Feb 18
SFO5:25 pmSan Francisco
10h 35m
LHR12:00 pmLondon Heathrow

See travel insights to San Francisco from

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 to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $584.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from London Heathrow Airport to San Francisco is on a Thursday when prices can be found for as low as $644. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $752.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest London Heathrow Airport to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $663. Flights in the afternoon are often more expensive with an average ticket price of $693.

What is the cheapest London Heathrow to San Francisco flight route?

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

How far in advance should I book a flight to San Francisco?

The ideal time to book your flight to San Francisco is 22 days in advance when prices tend to average $674. In the past 72 hours, momondo users found flights from London Heathrow Airport to San Francisco for as low as $603.

What cabin class options are available on London Heathrow to San Francisco flights?

There are 4 cabin classes available to choose from on London Heathrow to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 44% 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 December 2024, prices for London Heathrow Airport to San Francisco flights are approximately 27% 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 round-trip 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

$337

Fastest flight time

11h 00m

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 $337. The best round-trip flight deal from London Heathrow Airport to San Francisco found on momondo in the last 72 hours is $477.
The fastest flight from London Heathrow Airport to San Francisco takes 11h 00m
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?

    The straight-line distance from London Heathrow to San Francisco is 5341.3 mi. By plane, this route typically takes 11h 00m.

  • 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 updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to San Francisco Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

  • What is the most popular airline from London Heathrow Airport to San Francisco?


Best airlines flying from London Heathrow Airport to San Francisco

Compare and see reviews for airlines that fly from London Heathrow Airport to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $415Free CancellationRating
7.3
1,309 reviews
Search Scandinavian Airlines flights
Austrian AirlinesPriceFrom $476Free CancellationRating
7.6
787 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $507Free CancellationRating
6.8
7,091 reviews
Search Lufthansa flights
British AirwaysPriceFrom $515Free CancellationRating
6.6
6,820 reviews
Search British Airways flights
DeltaPriceFrom $519Free CancellationRating
8.0
8,604 reviews
Search Delta flights
Virgin AtlanticPriceFrom $526Free CancellationRating
7.5
668 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $545Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Brussels AirlinesPriceFrom $546Free CancellationRating
7.4
353 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $549Free CancellationRating
7.4
9,059 reviews
Search United Airlines flights
IberiaPriceFrom $602Free CancellationRating
7.0
2,656 reviews
Search Iberia flights
  • Delta Flights From London Heathrow Airport to San Francisco

    Delta operates around 7 flights from London Heathrow Airport to San Francisco every week. The average price of these flights found in the last 72 hours has been $780, but momondo users have found Delta deals from London Heathrow Airport to San Francisco from as low as $519 round-trip. Delta has been scored 8.0/10 in 8,604 reviews.

  • Austrian Airlines Flights From London Heathrow Airport to San Francisco

    Austrian Airlines is also a popular choice for this route. Austrian Airlines flight deals for London Heathrow Airport to San Francisco start from as low as $476 round-trip, depending on your selected dates, with average Austrian Airlines deals seen on momondo around $662. Austrian Airlines operates 14 flights to San Francisco from London Heathrow Airport in an average week. Users have rated it 7.6/10 across 787 reviews.


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?

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Francisco.

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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