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Cheap flights from London to San Francisco from $309

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 1/13. 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.
4:40 pm - 2:55 pmLGW-SFO
30h 15m1 stop
7:15 pm - 9:50 amSFO-LGW
30h 35m1 stop
$430TAP AIR PORTUGAL
Find Deal
Fri, Jan 17 - Fri, Jan 31
4:35 pm - 2:40 pmLGW-SFO
30h 05m1 stop
7:15 pm - 9:50 amSFO-LGW
30h 35m1 stop
$439TAP AIR PORTUGAL
Find Deal
Tue, Feb 18 - Fri, Feb 28
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$495British Airways
Find Deal
Sun, Nov 24 - Tue, Dec 3
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
10:45 pm - 8:35 pmSFO-LHR
13h 50m1 stop
$497United Airlines
Find Deal
Sun, Nov 24 - Mon, Dec 9
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
8:30 am - 7:10 amSFO-LHR
14h 40m1 stop
$499United Airlines
Find Deal
Fri, Nov 15 - Wed, Nov 27
1:00 pm - 8:11 pmLHR-SFO
15h 11m1 stop
8:25 am - 6:40 amSFO-LHR
14h 15m1 stop
$514Lufthansa
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Tue, Dec 3 - Tue, Dec 10
6:25 am - 10:52 pmLHR-SFO
24h 27m2 stops
4:05 pm - 12:00 pmSFO-LHR
35h 55m1 stop
$520British Airways
Find Deal
Fri, Nov 15 - Sun, Nov 24
2:10 pm - 11:59 pmLHR-SFO
17h 49m1 stop
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
$530Iberia
Find Deal
Mon, Jan 6 - Sat, Jan 18
11:10 am - 6:45 pmLHR-SFO
15h 35m1 stop
8:35 pm - 10:15 pmSFO-LHR
17h 40m2 stops
$553Lufthansa
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Tue, Nov 19 - Wed, Nov 27
11:05 am - 2:15 pmLHR-SFO
11h 10mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$585Iberia
Find Deal
Sat, Dec 7 - Thu, Dec 12
7:40 am - 12:09 amLGW-SFO
48h 29m3 stops
Mon, Jan 13
7:40 am - 12:09 amLGW-SFO
48h 29m3 stops
Mon, Jan 13
11:05 am - 2:15 pmLHR-SFO
11h 10mnonstop
$573Iberia
Find Deal
Mon, Jan 13
11:05 am - 2:15 pmLHR-SFO
11h 10mnonstop
$580Iberia
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Wed, Dec 4
6:25 am - 3:30 pmLHR-SFO
17h 05m2 stops
$611British Airways
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Wed, Jan 8
9:10 am - 3:30 pmLCY-SFO
14h 20m1 stop
$611British Airways
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Wed, Jan 8
6:15 pm - 4:00 pmLCY-SFO
29h 45m1 stop
$641Lufthansa
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Fri, Nov 15
10:00 am - 6:45 pmLCY-SFO
16h 45m2 stops
$644Lufthansa
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Mon, Jan 13
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
$753United Airlines
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Thu, Nov 28
10:00 am - 1:07 amLHR-SFO
23h 07m3 stops
$758United Airlines
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Thu, Nov 14
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$500United Airlines
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Sat, Nov 9 - Sat, Nov 16
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
4:32 pm - 1:30 pmSFO-LHR
12h 58m1 stop
$504United Airlines
Find Deal
Sat, Nov 9 - Sat, Nov 16
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$556Lufthansa
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Wed, Nov 6 - Thu, Nov 28
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
1:10 pm - 10:50 amSFO-LHR
13h 40m1 stop
$558Lufthansa
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Sat, Nov 9 - Sat, Nov 16
3:00 pm - 11:51 pmLGW-SFO
16h 51m1 stop
10:25 am - 8:05 amSFO-LGW
13h 40m1 stop
$606British Airways
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Sat, Nov 9 - Wed, Nov 13
3:00 pm - 11:51 pmLGW-SFO
16h 51m1 stop
7:25 am - 8:05 amSFO-LGW
16h 40m1 stop
$619British Airways
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Tue, Nov 5 - Tue, Nov 12
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
7:13 pm - 4:00 pmSFO-LHR
12h 47m1 stop
$633American Airlines
Find Deal
Wed, Nov 6 - Thu, Nov 14
3:00 pm - 11:51 pmLGW-SFO
16h 51m1 stop
10:25 am - 8:05 amSFO-LGW
13h 40m1 stop
$635American Airlines
Find Deal
Tue, Nov 5 - Wed, Dec 4
12:10 pm - 9:11 pmLHR-SFO
17h 01m1 stop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$644Iberia
Find Deal
Fri, Nov 8 - Wed, Jan 22
8:40 am - 8:32 pmLHR-SFO
19h 52m1 stop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$661Iberia
Find Deal
Tue, Nov 5 - Sun, Nov 10
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$440Lufthansa
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Wed, Nov 20 - Thu, Nov 28
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
5:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$452KLM
Find Deal
Thu, Feb 27 - Sun, Mar 9
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$455Air France
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Tue, Jan 14 - Sun, Feb 2
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$484British Airways
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Thu, Jan 30 - Fri, Feb 14
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
8:50 pm - 3:25 pmSFO-LHR
10h 35mnonstop
$485British Airways
Find Deal
Fri, Dec 6 - Thu, Jan 16
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$499United Airlines
Find Deal
Wed, Nov 20 - Fri, Nov 29
3:05 pm - 6:30 pmLHR-SFO
11h 25mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$500American Airlines
Find Deal
Thu, Jan 16 - Tue, Feb 11
3:05 pm - 6:30 pmLHR-SFO
11h 25mnonstop
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$504Iberia
Find Deal
Sun, Jan 12 - Fri, Jan 31
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$541United Airlines
Find Deal
Sat, Jan 11 - Thu, Jan 16
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
$566Iberia
Find Deal
Sun, Feb 16 - Fri, Mar 7

Austrian Airlines flights from London to San Francisco

Our best Austrian Airlines deals on London to San Francisco flight tickets
Austrian Airlines
Jan 20
LHR6:00 amLondon Heathrow
22h 07m
2 stops
SFO8:07 pmSan Francisco
Jan 31
SFO8:25 amSan Francisco
18h 40m
1 stop
LHR11:05 amLondon Heathrow
Austrian Airlines
Nov 27
LHR6:00 amLondon Heathrow
21h 00m
2 stops
SFO7:00 pmSan Francisco
Dec 9
SFO8:35 pmSan Francisco
29h 50m
2 stops
LHR10:25 amLondon Heathrow
Austrian Airlines
Nov 10
LHR10:05 amLondon Heathrow
11h 10m
SFO1:15 pmSan Francisco
Nov 19
SFO12:50 pmSan Francisco
10h 35m
LHR7:25 amLondon Heathrow

Virgin Atlantic flights from London to San Francisco

Our best Virgin Atlantic deals on London to San Francisco flight tickets
Virgin Atlantic
Jan 6
LHR4:35 pmLondon Heathrow
28h 17m
1 stop
SFO12:52 pmSan Francisco
Jan 26
SFO4:40 pmSan Francisco
10h 15m
LHR10:55 amLondon Heathrow
Virgin Atlantic
Jan 17
LCY6:10 pmLondon City
25h 40m
1 stop
SFO11:50 amSan Francisco
Jan 31
SFO7:00 amSan Francisco
17h 10m
2 stops
LCY8:10 amLondon City
Virgin Atlantic
Jan 12
LCY8:05 pmLondon City
23h 45m
1 stop
SFO11:50 amSan Francisco
Jan 26
SFO1:50 pmSan Francisco
18h 45m
1 stop
LCY4:35 pmLondon City

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 from London to San Francisco?

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

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

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

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

At noon. London to San Francisco flights are approximately 5% more expensive in the afternoon than at noon

What is the cheapest airline that flies to San Francisco from London?

Finnair. Finnair, Scandinavian Airlines, and Lufthansa are the most popular carriers operating from London to San Francisco

What is the cheapest London to San Francisco flight route?

London Gatwick - San Francisco. Fly from London Gatwick 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?

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

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

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

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

There are 3 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 40% 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 25% 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

$309

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 $309. The best round-trip flight deal from London to San Francisco found on momondo in the last 72 hours is $430.
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
1,303 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $415Free CancellationRating
7.7
1,316 reviews
Search Finnair flights
British AirwaysPriceFrom $498Free CancellationRating
6.7
6,842 reviews
Search British Airways flights
LufthansaPriceFrom $500Free CancellationRating
6.8
7,163 reviews
Search Lufthansa flights
IberiaPriceFrom $508Free CancellationRating
7.0
2,673 reviews
Search Iberia flights
DeltaPriceFrom $519Free CancellationRating
8.0
8,829 reviews
Search Delta flights
Virgin AtlanticPriceFrom $537Free CancellationRating
7.6
666 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $547Free CancellationRating
7.4
9,226 reviews
Search United Airlines flights
American AirlinesPriceFrom $552Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Austrian AirlinesPriceFrom $567Free CancellationRating
7.6
821 reviews
Search Austrian Airlines flights
  • Delta Flights From London to San Francisco

    Delta flies from London to San Francisco around 7 times per week, with 8,829 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 $712 for Delta flights on this route.

  • Finnair Flights From London to San Francisco

    $415 is the best Finnair flight deal from London to San Francisco found on momondo over the last 72 hours. The average Finnair ticket price found was closer to $571, however, with flight time and availability significantly affecting the price. Finnair (7.7/10 from 1,316 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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