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Cheap flights from London to San Francisco from C$ 726

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 17/1. 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.
8:55 a.m. - 4:25 p.m.LHR-SFO
15h 30m1 stop
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 726
Find Deal
Fri, 17 Jan - Sun, 19 Jan
11:10 a.m. - 6:45 p.m.LHR-SFO
15h 35m1 stop
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 727Lufthansa
Find Deal
Thu, 16 Jan - Wed, 29 Jan
6:00 p.m. - 7:49 p.m.LHR-SFO
33h 49m1 stop
8:25 a.m. - 11:15 a.m.SFO-LHR
18h 50m2 stops
C$ 750Austrian Airlines
Find Deal
Fri, 17 Jan - Fri, 24 Jan
8:05 p.m. - 4:25 p.m.LHR-SFO
28h 20m1 stop
7:25 p.m. - 5:50 p.m.SFO-LHR
14h 25m1 stop
C$ 753SWISS
Find Deal
Thu, 16 Jan - Wed, 29 Jan
7:25 p.m. - 7:49 p.m.LHR-SFO
32h 24m2 stops
8:25 a.m. - 11:15 a.m.SFO-LHR
18h 50m2 stops
C$ 760Austrian Airlines
Find Deal
Fri, 17 Jan - Fri, 24 Jan
7:30 p.m. - 3:40 p.m.LHR-SFO
28h 10m1 stop
6:30 p.m. - 6:30 p.m.SFO-LHR
17h 00m1 stop
C$ 770Scandinavian Airlines
Find Deal
Wed, 26 Feb - Wed, 19 Mar
6:40 a.m. - 3:40 p.m.LHR-SFO
17h 00m1 stop
5:30 p.m. - 6:30 p.m.SFO-LHR
17h 00m1 stop
C$ 771Scandinavian Airlines
Find Deal
Fri, 14 Feb - Sun, 23 Feb
6:30 p.m. - 2:55 p.m.LHR-SFO
28h 25m1 stop
7:15 p.m. - 9:35 p.m.SFO-LHR
18h 20m1 stop
C$ 783TAP AIR PORTUGAL
Find Deal
Fri, 17 Jan - Fri, 24 Jan
7:55 p.m. - 2:55 p.m.LHR-SFO
27h 00m1 stop
8:15 p.m. - 10:40 p.m.SFO-LHR
19h 25m1 stop
C$ 814TAP AIR PORTUGAL
Find Deal
Fri, 28 Feb - Fri, 21 Mar
8:05 p.m. - 4:10 p.m.LHR-SFO
28h 05m1 stop
7:05 p.m. - 7:20 p.m.SFO-LHR
16h 15m1 stop
C$ 874SWISS
Find Deal
Mon, 14 Apr - Mon, 5 May
7:55 p.m. - 2:55 p.m.LHR-SFO
27h 00m1 stop
C$ 797TAP AIR PORTUGAL
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Fri, 17 Jan
6:30 p.m. - 2:55 p.m.LHR-SFO
28h 25m1 stop
C$ 798TAP AIR PORTUGAL
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Fri, 7 Feb
10:40 a.m. - 8:57 p.m.LHR-SFO
18h 17m1 stop
C$ 830Iberia
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Sat, 11 Jan
10:15 a.m. - 10:16 p.m.LHR-SFO
20h 01m1 stop
C$ 898British Airways
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Sat, 11 Jan
10:05 a.m. - 1:15 p.m.LHR-SFO
11h 10mdirect
C$ 928Lufthansa
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Sat, 11 Jan
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
C$ 975Iberia
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Sat, 11 Jan
6:30 p.m. - 11:13 p.m.LHR-SFO
36h 43m2 stops
C$ 1,047Lufthansa
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Sat, 11 Jan
12:15 p.m. - 12:14 a.m.LHR-SFO
19h 59m2 stops
C$ 1,320
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Wed, 29 Jan
1:05 p.m. - 10:18 p.m.LHR-SFO
17h 13m2 stops
C$ 1,411
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Sun, 27 Apr
3:20 p.m. - 6:45 p.m.LHR-SFO
11h 25mdirect
C$ 4,172British Airways
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Sun, 5 Jan
11:45 a.m. - 11:50 a.m.LHR-SFO
32h 05m1 stop
6:00 a.m. - 12:40 p.m.SFO-LHR
22h 40m1 stop
C$ 1,003Delta
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Mon, 23 Dec - Wed, 1 Jan
7:30 p.m. - 4:25 p.m.LHR-SFO
28h 55m2 stops
7:25 p.m. - 11:15 a.m.SFO-LHR
31h 50m1 stop
C$ 1,051SWISS
Find Deal
Mon, 23 Dec - Tue, 14 Jan
7:25 p.m. - 6:45 p.m.LHR-SFO
31h 20m2 stops
8:25 a.m. - 6:40 a.m.SFO-LHR
14h 15m1 stop
C$ 1,090Austrian Airlines
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Mon, 23 Dec - Tue, 14 Jan
9:05 a.m. - 6:45 p.m.LHR-SFO
41h 40m2 stops
8:25 a.m. - 11:15 a.m.SFO-LHR
18h 50m2 stops
C$ 1,093Austrian Airlines
Find Deal
Mon, 23 Dec - Tue, 14 Jan
3:45 p.m. - 11:50 a.m.LHR-SFO
28h 05m1 stop
9:29 a.m. - 10:00 a.m.SFO-LHR
16h 31m2 stops
C$ 1,164Virgin Atlantic
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Mon, 23 Dec - Wed, 1 Jan
6:40 a.m. - 10:51 p.m.LHR-SFO
24h 11m2 stops
5:40 p.m. - 9:20 p.m.SFO-LHR
20h 40m2 stops
C$ 1,171Scandinavian Airlines
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Mon, 23 Dec - Wed, 29 Oct
12:05 p.m. - 4:25 p.m.LHR-SFO
36h 20m1 stop
12:32 a.m. - 7:30 a.m.SFO-LHR
23h 58m1 stop
C$ 1,314United Airlines
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Mon, 23 Dec - Tue, 28 Oct
1:45 p.m. - 4:25 p.m.LHR-SFO
34h 40m1 stop
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 1,333United Airlines
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Mon, 23 Dec - Mon, 30 Dec
9:05 p.m. - 3:40 p.m.LHR-SFO
26h 35m2 stops
5:30 p.m. - 5:40 p.m.SFO-LHR
16h 10m1 stop
C$ 1,558Scandinavian Airlines
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Thu, 19 Dec - Mon, 30 Dec
11:40 a.m. - 2:45 p.m.LHR-SFO
11h 05mdirect
1:45 p.m. - 10:45 a.m.SFO-LHR
13h 00m1 stop
C$ 1,912Virgin Atlantic
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Sat, 21 Dec - Sat, 4 Jan
10:05 a.m. - 1:15 p.m.LHR-SFO
11h 10mdirect
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 746Lufthansa
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Thu, 16 Jan - Wed, 29 Jan
10:05 a.m. - 1:15 p.m.LHR-SFO
11h 10mdirect
12:50 p.m. - 7:25 a.m.SFO-LHR
10h 35mdirect
C$ 763Austrian Airlines
Find Deal
Sat, 11 Jan - Fri, 24 Jan
3:20 p.m. - 6:45 p.m.LHR-SFO
11h 25mdirect
6:30 p.m. - 12:00 p.m.SFO-LHR
10h 30mdirect
C$ 807British Airways
Find Deal
Mon, 24 Feb - Thu, 20 Mar
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
9:40 p.m. - 3:15 p.m.SFO-LHR
10h 35mdirect
C$ 808Finnair
Find Deal
Thu, 27 Feb - Sun, 16 Mar
3:05 p.m. - 6:30 p.m.LHR-SFO
11h 25mdirect
5:30 p.m. - 12:00 p.m.SFO-LHR
10h 30mdirect
C$ 810British Airways
Find Deal
Thu, 16 Jan - Wed, 29 Jan
11:40 a.m. - 2:45 p.m.LHR-SFO
11h 05mdirect
5:40 p.m. - 10:55 a.m.SFO-LHR
10h 15mdirect
C$ 823Delta
Find Deal
Thu, 27 Feb - Wed, 19 Mar
11:40 a.m. - 2:45 p.m.LHR-SFO
11h 05mdirect
4:40 p.m. - 10:55 a.m.SFO-LHR
10h 15mdirect
C$ 826Delta
Find Deal
Sat, 1 Feb - Sun, 2 Mar
11:45 a.m. - 3:00 p.m.LHR-SFO
11h 15mdirect
4:35 p.m. - 11:00 a.m.SFO-LHR
10h 25mdirect
C$ 897Finnair
Find Deal
Wed, 15 Jan - Tue, 29 Apr
10:35 a.m. - 1:40 p.m.LHR-SFO
11h 05mdirect
12:55 p.m. - 7:25 a.m.SFO-LHR
10h 30mdirect
C$ 916
Find Deal
Sat, 26 Apr - Mon, 12 May
10:35 a.m. - 1:40 p.m.LHR-SFO
11h 05mdirect
12:55 p.m. - 7:25 a.m.SFO-LHR
10h 30mdirect
C$ 918
Find Deal
Mon, 14 Apr - Mon, 5 May

TAP AIR PORTUGAL flights from London to San Francisco

Our best TAP AIR PORTUGAL deals on London to San Francisco flight tickets
TAP AIR PORTUGAL
17 Jan
LHR6:30 p.m.London Heathrow
28h 25m
1 stop
SFO2:55 p.m.San Francisco
24 Jan
SFO7:15 p.m.San Francisco
18h 20m
1 stop
LHR9:35 p.m.London Heathrow
TAP AIR PORTUGAL
28 Feb
LHR7:55 p.m.London Heathrow
27h 00m
1 stop
SFO2:55 p.m.San Francisco
21 Mar
SFO8:15 p.m.San Francisco
19h 25m
1 stop
LHR10:40 p.m.London Heathrow
TAP AIR PORTUGAL
27 Feb
LHR7:55 p.m.London Heathrow
28h 20m
1 stop
SFO4:15 p.m.San Francisco
21 Mar
SFO8:15 p.m.San Francisco
19h 25m
1 stop
LHR10:40 p.m.London Heathrow

Air Canada flights from London to San Francisco

Our best Air Canada deals on London to San Francisco flight tickets
Air Canada
3 Jun
LHR8:45 a.m.London Heathrow
19h 10m
2 stops
SFO7:55 p.m.San Francisco
18 Jun
SFO11:50 a.m.San Francisco
14h 10m
1 stop
LHR10:00 a.m.London Heathrow
Air Canada
3 Jun
LHR8:45 a.m.London Heathrow
19h 10m
2 stops
SFO7:55 p.m.San Francisco
21 Jun
SFO2:05 p.m.San Francisco
13h 45m
1 stop
LHR11:50 a.m.London 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?

The cheapest month to fly to San Francisco from London is in February. Flight prices, which tend to average around C$ 777, are often lower during this time because this is during the off-season. The month of November is another great option to travel to San Francisco, with average flight prices from London averaging around C$ 834.

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 Monday. Travellers who choose to depart for San Francisco on a Monday will often find tickets for as low as C$ 0. On the other hand, Saturday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,104.

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

Flying to San Francisco from London in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 0 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to San Francisco is in the morning when prices are around C$ 909.

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?

In general, most travellers find the cheapest time to book a flight to San Francisco is about 22 days prior to their departure date, when tickets on average are C$ 962. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as C$ 1,230.

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

There are 2 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 43% 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

C$ 797

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 C$ 797. The best round-trip flight deal from London to San Francisco found on momondo in the last 72 hours is C$ 726.
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?

    The distance between London and San Francisco is about 8609.4 km. Flights usually cover this in 11h 00m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to San Francisco Airport refresh daily.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to San Francisco Airport.

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

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model 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
United AirlinesPriceFrom C$ 909Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
  • United Airlines Flights From London to San Francisco

    United Airlines flight deals from London to San Francisco start from C$ 636 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually C$ 636 round-trip - but some users have found much cheaper deals with momondo.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from London.

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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