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Cheap flights from London to San Francisco from $260

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 5/3. 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 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
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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
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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
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
11:20 am - 11:04 amLGW-SFO
31h 44m2 stops
7:00 am - 9:00 amSFO-LGW
18h 00m2 stops
$619American Airlines
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Thu, Jan 16 - Thu, Jan 23
12:30 pm - 12:45 amLGW-SFO
20h 15m2 stops
5:20 am - 9:00 amSFO-LGW
19h 40m2 stops
$620American Airlines
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Sun, Jan 12 - Sun, Jan 19
10:10 pm - 9:25 pmLTN-SFO
31h 15m2 stops
Sat, May 3
9:20 pm - 1:06 pmLGW-SFO
47h 46m2 stops
Sun, Apr 6
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
9:10 am - 6:00 pmLGW-SFO
16h 50m1 stop
$625Iberia
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Sun, May 4
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
8:40 am - 11:50 amLCY-SFO
35h 10m1 stop
1:50 pm - 8:50 amSFO-LCY
35h 00m1 stop
$830Delta
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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
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
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$571Lufthansa
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Tue, Feb 11 - Thu, Feb 27
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
5:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$588Virgin Atlantic
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Mon, Mar 3 - Mon, Mar 17
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
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$617British Airways
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Thu, Jan 16 - Wed, Jan 29
11:40 am - 3:45 pmLHR-SFO
11h 05mnonstop
5:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$621Delta
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Thu, Mar 20 - Tue, Mar 25
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
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
12:55 pm - 7:25 amSFO-LHR
10h 30mnonstop
$650United Airlines
Find Deal
Mon, Jan 13 - Sun, May 4
12:20 pm - 3:25 pmLHR-SFO
11h 05mnonstop
7:50 pm - 2:10 pmSFO-LHR
10h 20mnonstop
$659United Airlines
Find Deal
Tue, Apr 1 - Mon, Jun 30
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$695American Airlines
Find Deal
Sun, Jan 12 - Wed, Jan 22
10:45 am - 1:50 pmLHR-SFO
11h 05mnonstop
7:20 pm - 1:45 pmSFO-LHR
10h 25mnonstop
$730American Airlines
Find Deal
Thu, May 29 - Sat, Jun 21

Scandinavian Airlines flights from London to San Francisco

Our best Scandinavian Airlines deals on London 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 to San Francisco

Our best Lufthansa deals on London 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 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 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 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 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 to San Francisco flight route?

Fly from London Heathrow to San Francisco for the best London - 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 to San Francisco for as low as $603.

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

There are 4 cabin classes available to choose from on London 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 to San Francisco flights?

You could potentially save up to 56% 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 December 2024, prices for London to San Francisco flights are approximately 17% 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

$260

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 in the past 72 hours is $260. The best round-trip flight deal from London to San Francisco found on momondo in the last 72 hours is $477.
The fastest flight from London to San Francisco takes 11h 00m
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?

    A flight from London to San Francisco will travel around 5349.7 mi. In terms of flight time, this usually takes a little over 11h 00m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to San Francisco?

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


Best airlines flying from London to San Francisco

Compare and see reviews for airlines that fly from London 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
9,055 reviews
Search United Airlines flights
IberiaPriceFrom $602Free CancellationRating
7.0
2,656 reviews
Search Iberia flights
  • Delta Flights From London to San Francisco

    Delta flies from London to San Francisco around 7 times per week, with 8,604 momondo users rating the airline 8.0/10. The cheapest Delta deal from London to San Francisco in the last 72 hours was $519 (round-trip), much lower than the average airfare cost of $780 for Delta flights on this route.

  • Austrian Airlines Flights From London to San Francisco

    $476 is the best Austrian Airlines flight deal from London to San Francisco found on momondo over the last 72 hours. The average Austrian Airlines ticket price found was closer to $662, however, with flight time and availability significantly affecting the price. Austrian Airlines (7.6/10 from 787 user reviews) flies into San Francisco from London 14 times in an average week so prices can vary.


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 enables you to select and highlight flights to San Francisco from London with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from London.

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

If you are not ready to book a flight from London to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.


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