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Cheap flights from San Francisco to London from £173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to London departing on 13/1. 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 San Francisco to London

Cheap return flights

These are some of the best return flight deals from San Francisco to London 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 San Francisco to London.

Cheap last-minute flights

Planning a quick getaway from San Francisco to London? 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 London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from San Francisco to London

Find recent round-trip train or bus tickets from San Francisco to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
16:40 - 15:45SFO-LGW
15h 05m1 stop
09:35 - 14:15LGW-SFO
60h 40m2 stops
£378TAP AIR PORTUGAL
Find Deal
Mon, 13 Jan - Wed, 15 Jan
16:40 - 21:35SFO-LHR
20h 55m1 stop
18:30 - 14:40LHR-SFO
28h 10m1 stop
£387TAP AIR PORTUGAL
Find Deal
Mon, 20 Jan - Tue, 28 Jan
16:40 - 10:55SFO-LHR
10h 15mdirect
11:40 - 14:45LHR-SFO
11h 05mdirect
£484Virgin Atlantic
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Sun, 29 Dec - Tue, 14 Jan
16:40 - 10:55SFO-LHR
10h 15mdirect
10:00 - 11:50LHR-SFO
33h 50m1 stop
£490Virgin Atlantic
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Sun, 29 Dec - Tue, 14 Jan
13:00 - 10:10SFO-LHR
13h 10m1 stop
08:55 - 16:25LHR-SFO
15h 30m1 stop
£498United Airlines
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Sun, 29 Dec - Fri, 17 Jan
16:35 - 11:00SFO-LHR
10h 25mdirect
10:45 - 13:50LHR-SFO
11h 05mdirect
£501British Airways
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Tue, 1 Apr - Thu, 17 Apr
16:35 - 11:00SFO-LHR
10h 25mdirect
14:15 - 17:25LHR-SFO
11h 10mdirect
£502British Airways
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Tue, 1 Apr - Thu, 24 Apr
17:25 - 12:00SFO-LHR
10h 35mdirect
13:45 - 16:25LHR-SFO
34h 40m1 stop
£506United Airlines
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Tue, 18 Feb - Mon, 3 Mar
14:40 - 17:40SFO-LCY
19h 00m1 stop
19:10 - 12:40LCY-SFO
25h 30m1 stop
£580Lufthansa
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Sun, 12 Jan - Mon, 14 Apr
14:40 - 17:40SFO-LCY
19h 00m1 stop
10:00 - 18:45LCY-SFO
16h 45m2 stops
£609Lufthansa
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Thu, 16 Jan - Thu, 23 Jan
15:05 - 12:50SFO-LHR
37h 45m2 stops
Mon, 13 Jan
13:55 - 12:50SFO-LHR
14h 55m1 stop
£176WestJet
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Fri, 10 Jan
16:40 - 10:55SFO-LHR
10h 15mdirect
£310Virgin Atlantic
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Mon, 30 Dec
16:35 - 11:00SFO-LHR
10h 25mdirect
£314British Airways
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Sun, 4 May
17:30 - 12:00SFO-LHR
10h 30mdirect
£316British Airways
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Sun, 2 Feb
12:50 - 07:25SFO-LHR
10h 35mdirect
£318United Airlines
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Wed, 19 Feb
22:35 - 06:40SFO-LHR
24h 05m2 stops
£326United Airlines
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Sat, 28 Dec
16:40 - 10:55SFO-LHR
10h 15mdirect
£332Virgin Atlantic
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Fri, 10 Jan
14:40 - 16:25SFO-LCY
17h 45m2 stops
£359Lufthansa
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Wed, 16 Apr
22:35 - 17:40SFO-LCY
35h 05m2 stops
£365Lufthansa
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Sun, 29 Dec
20:55 - 09:40SFO-LHR
28h 45m1 stop
13:00 - 13:56LHR-SFO
32h 56m1 stop
£710United Airlines
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Mon, 23 Dec - Fri, 10 Jan
20:55 - 09:40SFO-LHR
28h 45m1 stop
13:45 - 16:55LHR-SFO
11h 10mdirect
£728United Airlines
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Mon, 23 Dec - Fri, 10 Jan
20:55 - 09:40SFO-LHR
28h 45m1 stop
13:00 - 13:56LHR-SFO
32h 56m1 stop
£733United Airlines
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Mon, 23 Dec - Sun, 19 Jan
20:55 - 09:40SFO-LHR
28h 45m1 stop
08:30 - 20:05LHR-SFO
19h 35m1 stop
£839Lufthansa
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Sun, 22 Dec - Sun, 29 Dec
20:55 - 09:40SFO-LHR
28h 45m1 stop
10:05 - 13:15LHR-SFO
11h 10mdirect
£851Lufthansa
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Sun, 22 Dec - Sun, 29 Dec
08:28 - 09:40SFO-LHR
17h 12m1 stop
16:25 - 09:50LHR-SFO
25h 25m1 stop
£852British Airways
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Thu, 19 Dec - Thu, 9 Jan
08:28 - 09:40SFO-LHR
17h 12m1 stop
09:25 - 18:36LHR-SFO
17h 11m1 stop
£920British Airways
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Thu, 19 Dec - Thu, 26 Dec
13:50 - 18:25SFO-LCY
20h 35m1 stop
17:05 - 11:50LCY-SFO
26h 45m1 stop
£1,497Virgin Atlantic
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Mon, 23 Dec - Tue, 7 Jan
13:50 - 16:35SFO-LCY
18h 45m1 stop
20:05 - 11:50LCY-SFO
23h 45m1 stop
£1,574Virgin Atlantic
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Sun, 22 Dec - Sun, 29 Dec
13:50 - 16:35SFO-LCY
18h 45m1 stop
20:05 - 11:50LCY-SFO
23h 45m1 stop
£2,249KLM
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Mon, 23 Dec - Sun, 5 Jan
16:40 - 10:55SFO-LHR
10h 15mdirect
11:40 - 14:45LHR-SFO
11h 05mdirect
£484Virgin Atlantic
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Sun, 29 Dec - Tue, 14 Jan
17:30 - 12:00SFO-LHR
10h 30mdirect
15:20 - 18:45LHR-SFO
11h 25mdirect
£493British Airways
Find Deal
Mon, 24 Feb - Tue, 4 Mar
16:40 - 10:55SFO-LHR
10h 15mdirect
11:40 - 14:45LHR-SFO
11h 05mdirect
£497Virgin Atlantic
Find Deal
Sun, 29 Dec - Tue, 14 Jan
18:30 - 12:00SFO-LHR
10h 30mdirect
11:45 - 16:00LHR-SFO
11h 15mdirect
£499Iberia
Find Deal
Sun, 16 Mar - Wed, 26 Mar
20:40 - 15:15SFO-LHR
10h 35mdirect
11:45 - 15:00LHR-SFO
11h 15mdirect
£500British Airways
Find Deal
Tue, 18 Feb - Wed, 26 Feb
17:30 - 12:00SFO-LHR
10h 30mdirect
11:45 - 15:00LHR-SFO
11h 15mdirect
£509Iberia
Find Deal
Wed, 8 Jan - Fri, 17 Jan
16:40 - 10:55SFO-LHR
10h 15mdirect
11:40 - 14:45LHR-SFO
11h 05mdirect
£512Delta
Find Deal
Tue, 31 Dec - Thu, 16 Jan
12:50 - 07:25SFO-LHR
10h 35mdirect
10:05 - 13:15LHR-SFO
11h 10mdirect
£513United Airlines
Find Deal
Sun, 29 Dec - Tue, 14 Jan
16:40 - 10:55SFO-LHR
10h 15mdirect
11:40 - 14:45LHR-SFO
11h 05mdirect
£520Delta
Find Deal
Mon, 10 Feb - Tue, 18 Feb
17:25 - 12:00SFO-LHR
10h 35mdirect
13:45 - 16:55LHR-SFO
11h 10mdirect
£520United Airlines
Find Deal
Wed, 12 Feb - Tue, 18 Feb

JetBlue flights from San Francisco to London

Our best JetBlue deals on San Francisco to London flight tickets
JetBlue
12 Feb
SFO22:35San Francisco
14h 10m
1 stop
LHR20:45London Heathrow
19 Feb
LHR08:25London Heathrow
19h 07m
1 stop
SFO19:32San Francisco
JetBlue
11 Feb
SFO22:35San Francisco
14h 10m
1 stop
LHR20:45London Heathrow
19 Feb
LHR08:25London Heathrow
19h 07m
1 stop
SFO19:32San Francisco
JetBlue
18 Mar
SFO16:47San Francisco
20h 58m
1 stop
LHR20:45London Heathrow
28 Mar
LHR08:25London Heathrow
18h 04m
1 stop
SFO19:29San Francisco

Virgin Atlantic flights from San Francisco to London

Our best Virgin Atlantic deals on San Francisco to London flight tickets
Virgin Atlantic
29 Dec
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow
14 Jan
LHR11:40London Heathrow
11h 05m
SFO14:45San Francisco
Virgin Atlantic
29 Dec
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow
14 Jan
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
Virgin Atlantic
29 Dec
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow
14 Jan
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco

See travel insights to London from

How to get the cheapest flight ticket from San Francisco to London

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 San Francisco and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from San Francisco is in October. Flight prices, which tend to average around £499, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from San Francisco averaging around £522.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £554. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to London for around £695.

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

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £603. Flights in the morning are often more expensive, with an average ticket price of £691.

What is the cheapest San Francisco to London flight route?

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

How far in advance should I book a flight to London?

In general, most travellers find the cheapest time to book a flight to London is about 29 days prior to their departure date, when tickets on average are £638. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San Francisco for as low as £451 on momondo.

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

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

You could potentially save up to 41% on your flight if you consider stops on a San Francisco to London flight.

How have San Francisco to London flight prices changed over time?

As of December 2024, prices for San Francisco to London flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to London

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Francisco to London (SFO to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to London

Best price found

£173

Fastest flight time

10h 15m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from San Francisco in the past 72 hours is £173. The best return flight deal from San Francisco to London found on momondo in the last 72 hours is £378.
The fastest flight from San Francisco to London takes 10h 15m
Direct flights go from San Francisco to London every day.
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

  • How far is San Francisco to London by plane?

    A flight from San Francisco to London will travel around 5349.7 mi. A reasonable flight in good conditions will take 10h 15m.

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

    Prices for flights from San Francisco Airport to London were last updated today.

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

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

    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 San Francisco Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London 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 London. 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 San Francisco to London?

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


Best airlines flying from San Francisco to London

Compare and see reviews for airlines that fly from San Francisco to London with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom £430Free CancellationRating
7.1
1,877 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom £446Free CancellationRating
7.5
668 reviews
Search Virgin Atlantic flights
IberiaPriceFrom £452Free CancellationRating
7.0
2,656 reviews
Search Iberia flights
British AirwaysPriceFrom £455Free CancellationRating
6.6
6,820 reviews
Search British Airways flights
KLMPriceFrom £468Free CancellationRating
7.8
1,349 reviews
Search KLM flights
FinnairPriceFrom £469Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
United AirlinesPriceFrom £480Free CancellationRating
7.4
9,059 reviews
Search United Airlines flights
LufthansaPriceFrom £486Free CancellationRating
6.8
7,091 reviews
Search Lufthansa flights
DeltaPriceFrom £540Free CancellationRating
8.0
8,604 reviews
Search Delta flights
  • Delta Flights From San Francisco to London

    The lowest priced Delta flight from San Francisco to London from the last 72 hours was £686. Generally, Delta has 7 flights on this route every week with an average price of £931. Delta is rated 8.0/10 by our users.

  • KLM Flights From San Francisco to London

    The best KLM deal for San Francisco to London flight tickets found on momondo in the last 72 hours was £594, round-trip. It should be noted that an average KLM flight deal for this route in this time was higher, at £732 round-trip. KLM operates 7 flights out of San Francisco into London in an average week, so prices vary by time and availability. 1,349 KLM reviews by users on momondo have scored the airline at 7.8/10.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Francisco to London with flexible booking policies on momondo?

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

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

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 London from San Francisco.

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

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


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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London