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Cheap flights from London Heathrow Airport to San Francisco from $325

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 2/5. 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 - 2:40 pmLHR-SFO
28h 10m1 stop
4:40 pm - 6:55 pmSFO-LHR
18h 15m1 stop
$463TAP AIR PORTUGAL
Find Deal
Tue, Jan 14 - Sat, Jan 25
6:30 pm - 2:40 pmLHR-SFO
28h 10m1 stop
7:15 pm - 10:40 pmSFO-LHR
19h 25m1 stop
$465TAP AIR PORTUGAL
Find Deal
Tue, Jan 14 - Fri, Jan 24
6:15 am - 6:00 pmLHR-SFO
19h 45m1 stop
10:15 pm - 4:35 pmSFO-LHR
10h 20mnonstop
$552Virgin Atlantic
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Fri, May 9 - Sat, May 17
6:30 am - 12:40 pmLHR-SFO
14h 10m1 stop
12:55 pm - 7:25 amSFO-LHR
10h 30mnonstop
$575Lufthansa
Find Deal
Wed, Apr 16 - Tue, Apr 29
6:30 am - 12:40 pmLHR-SFO
14h 10m1 stop
12:55 pm - 7:25 amSFO-LHR
10h 30mnonstop
$583Lufthansa
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Wed, Apr 16 - Mon, Apr 28
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
8:50 pm - 3:25 pmSFO-LHR
10h 35mnonstop
$607British Airways
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Fri, Dec 6 - Thu, Jan 16
4:55 pm - 11:59 pmLHR-SFO
15h 04m1 stop
9:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
$612British Airways
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Wed, Mar 5 - Sun, Mar 9
8:55 am - 4:25 pmLHR-SFO
15h 30m1 stop
12:30 am - 7:30 amSFO-LHR
23h 00m1 stop
$615United Airlines
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Fri, Dec 6 - Wed, Dec 11
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
6:15 am - 7:05 amSFO-LHR
16h 50m1 stop
$616Virgin Atlantic
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Fri, Jan 17 - Mon, Jan 20
1:00 pm - 8:11 pmLHR-SFO
15h 11m1 stop
8:15 am - 10:00 amSFO-LHR
17h 45m1 stop
$619United Airlines
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Sat, Mar 1 - Wed, May 7
3:15 pm - 1:06 pmLHR-SFO
53h 51m2 stops
Wed, Feb 5
3:15 pm - 1:05 pmLHR-SFO
53h 50m2 stops
Fri, Jan 24
8:30 pm - 1:05 pmLHR-SFO
48h 35m2 stops
Fri, Jan 24
12:40 pm - 8:45 amLHR-SFO
28h 05m1 stop
$510Virgin Atlantic
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Thu, Nov 28
8:25 pm - 11:50 amLHR-SFO
23h 25m1 stop
$514Virgin Atlantic
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Fri, Dec 6
9:30 am - 4:00 pmLHR-SFO
14h 30m1 stop
$597Lufthansa
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Sat, Dec 7
9:30 am - 4:00 pmLHR-SFO
14h 30m1 stop
$598Lufthansa
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Sat, Dec 7
8:20 am - 5:24 pmLHR-SFO
17h 04m1 stop
$615British Airways
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Wed, Nov 27
11:15 am - 6:41 pmLHR-SFO
15h 26m1 stop
$616British Airways
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Mon, Nov 25
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
$625Brussels Airlines
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Sun, Jan 12
6:30 am - 11:50 amLHR-SFO
13h 20m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$528Delta
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Mon, Nov 25 - Tue, Dec 10
6:30 am - 11:50 amLHR-SFO
13h 20m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$529Delta
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Mon, Nov 25 - Tue, Dec 10
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
4:35 pm - 10:10 amSFO-LHR
33h 35m1 stop
$585Lufthansa
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Sun, Nov 24 - Sun, Dec 1
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$590Lufthansa
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Fri, Nov 22 - Thu, Nov 28
6:30 am - 11:50 amLHR-SFO
13h 20m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$594Virgin Atlantic
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Mon, Nov 25 - Tue, Dec 10
5:05 pm - 11:50 amLHR-SFO
26h 45m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$595Virgin Atlantic
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Mon, Nov 25 - Tue, Dec 10
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$624United Airlines
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Sat, Nov 23 - Sat, Nov 30
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$625United Airlines
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Sat, Nov 23 - Thu, Dec 5
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
$671British Airways
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Fri, Nov 22 - Wed, Nov 27
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$747British Airways
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Sat, Nov 23 - Thu, Nov 28
10:10 am - 1:15 pmLHR-SFO
11h 05mnonstop
7:20 pm - 1:50 pmSFO-LHR
10h 30mnonstop
Sun, Apr 20 - Fri, May 9
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$554Delta
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Mon, Feb 10 - Sun, Feb 23
4:50 pm - 7:50 pmLHR-SFO
11h 00mnonstop
10:15 pm - 4:35 pmSFO-LHR
10h 20mnonstop
$560Virgin Atlantic
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Fri, May 9 - Sat, May 17
11:15 am - 2:15 pmLHR-SFO
11h 00mnonstop
10:15 pm - 4:35 pmSFO-LHR
10h 20mnonstop
$567Virgin Atlantic
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Fri, May 9 - Sat, May 17
10:35 am - 1:40 pmLHR-SFO
11h 05mnonstop
3:55 pm - 10:25 amSFO-LHR
10h 30mnonstop
$568Lufthansa
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Mon, Apr 28 - Mon, May 12
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$592British Airways
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Tue, Feb 11 - Sun, Feb 23
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
3:30 pm - 10:00 amSFO-LHR
10h 30mnonstop
$603British Airways
Find Deal
Sun, Jan 19 - Thu, May 15
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$606Lufthansa
Find Deal
Fri, Jan 17 - Fri, Jan 31
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$632United Airlines
Find Deal
Tue, Dec 24 - Mon, Dec 30
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$645United Airlines
Find Deal
Sat, Jan 11 - Wed, Jan 22

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
Feb 2
LHR10:20 amLondon Heathrow
37h 20m
1 stop
SFO3:40 pmSan Francisco
Feb 9
SFO5:30 pmSan Francisco
20h 10m
1 stop
LHR9:40 pmLondon Heathrow
Scandinavian Airlines
Jan 15
LHR1:55 pmLondon Heathrow
33h 45m
2 stops
SFO3:40 pmSan Francisco
Jan 19
SFO5:30 pmSan Francisco
16h 10m
1 stop
LHR5:40 pmLondon Heathrow
Scandinavian Airlines
Dec 6
LHR7:30 pmLondon Heathrow
28h 10m
1 stop
SFO3:40 pmSan Francisco
Jan 31
SFO5:30 pmSan Francisco
14h 30m
1 stop
LHR4:00 pmLondon Heathrow

Delta flights from London Heathrow Airport to San Francisco

Our best Delta deals on London Heathrow Airport to San Francisco flight tickets
Delta
Nov 25
LHR6:30 amLondon Heathrow
13h 20m
1 stop
SFO11:50 amSan Francisco
Dec 10
SFO4:40 pmSan Francisco
10h 15m
LHR10:55 amLondon Heathrow
Delta
Jan 26
LHR6:30 amLondon Heathrow
13h 20m
1 stop
SFO11:50 amSan Francisco
Apr 7
SFO4:05 pmSan Francisco
10h 20m
LHR10:25 amLondon Heathrow
Delta
Nov 26
LHR6:30 amLondon Heathrow
13h 20m
1 stop
SFO11:50 amSan Francisco
Jan 30
SFO4:40 pmSan Francisco
10h 15m
LHR10:55 amLondon 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 from London Heathrow Airport to San Francisco?

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

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

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

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

At noon. London Heathrow Airport to San Francisco flights are approximately 10% more expensive in the afternoon than at noon

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

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

There are 3 cabin classes available to choose from on London Heathrow Airport 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 November 2024, prices for London Heathrow Airport to San Francisco flights are approximately 31% 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

$325

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 $325. The best round-trip flight deal from London Heathrow Airport to San Francisco found on momondo in the last 72 hours is $463.
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
1,301 reviews
Search Scandinavian Airlines flights
Austrian AirlinesPriceFrom $476Free CancellationRating
7.6
805 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $507Free CancellationRating
6.8
7,150 reviews
Search Lufthansa flights
British AirwaysPriceFrom $514Free CancellationRating
6.6
6,837 reviews
Search British Airways flights
DeltaPriceFrom $519Free CancellationRating
8.0
8,759 reviews
Search Delta flights
FinnairPriceFrom $525Free CancellationRating
7.7
1,300 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $527Free CancellationRating
7.5
663 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $544Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $549Free CancellationRating
7.4
9,173 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $562Free CancellationRating
7.4
367 reviews
Search Brussels Airlines 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 $739, 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 8,759 reviews.

  • Finnair Flights From London Heathrow Airport to San Francisco

    Finnair is also a popular choice for this route. Finnair flight deals for London Heathrow Airport to San Francisco start from as low as $525 round-trip, depending on your selected dates, with average Finnair deals seen on momondo around $571. Finnair operates 14 flights to San Francisco from London Heathrow Airport in an average week. Users have rated it 7.7/10 across 1,300 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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