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Cheap flights from San Francisco to London from £186

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 16/2. 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 return train or bus tickets from San Francisco to London.

All return flight deals from San Francisco to London

The cheapest plane tickets from San Francisco to London found on KAYAK recently.
16:35 - 21:35SFO-LHR
21h 00m1 stop
13:40 - 15:40LHR-SFO
33h 00m1 stop
£421TAP AIR PORTUGAL
Find Deal
Wed, 5 Mar - Tue, 18 Mar
16:35 - 09:50SFO-LGW
33h 15m1 stop
16:35 - 15:40LGW-SFO
30h 05m1 stop
£423TAP AIR PORTUGAL
Find Deal
Wed, 5 Mar - Tue, 18 Mar
05:55 - 06:50SFO-LHR
16h 55m1 stop
06:30 - 11:50LHR-SFO
13h 20m1 stop
£483Virgin Atlantic
Find Deal
Sun, 9 Feb - Tue, 25 Feb
18:30 - 16:40SFO-LHR
14h 10m1 stop
06:30 - 11:50LHR-SFO
13h 20m1 stop
£486Virgin Atlantic
Find Deal
Sun, 9 Feb - Tue, 25 Feb
17:30 - 12:00SFO-LHR
10h 30mdirect
11:45 - 15:00LHR-SFO
11h 15mdirect
£489British Airways
Find Deal
Wed, 12 Feb - Tue, 25 Feb
21:40 - 15:15SFO-LHR
10h 35mdirect
15:20 - 19:45LHR-SFO
11h 25mdirect
£494British Airways
Find Deal
Mon, 17 Mar - Wed, 26 Mar
13:00 - 10:10SFO-LHR
14h 10m1 stop
08:55 - 17:25LHR-SFO
15h 30m1 stop
£525United Airlines
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Sun, 9 Mar - Tue, 18 Mar
13:00 - 10:10SFO-LHR
13h 10m1 stop
08:45 - 16:10LHR-SFO
15h 25m1 stop
£526United Airlines
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Tue, 18 Feb - Thu, 8 May
15:40 - 16:40SFO-LCY
18h 00m1 stop
19:10 - 12:40LCY-SFO
25h 30m1 stop
£586Lufthansa
Find Deal
Wed, 26 Mar - Mon, 7 Apr
16:38 - 15:25SFO-LCY
39h 47m2 stops
09:15 - 12:40LCY-SFO
35h 25m1 stop
£594Lufthansa
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Sat, 29 Mar - Mon, 7 Apr
11:02 - 12:50SFO-LHR
41h 48m2 stops
Sun, 16 Feb
10:54 - 10:35SFO-LGW
15h 41m1 stop
Tue, 4 Feb
14:40 - 12:45SFO-LHR
14h 05m1 stop
£242Lufthansa
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Wed, 12 Feb
14:40 - 16:40SFO-LCY
18h 00m1 stop
£259Lufthansa
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Wed, 12 Feb
20:40 - 15:15SFO-LHR
10h 35mdirect
£280British Airways
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Sun, 2 Feb
05:55 - 06:50SFO-LHR
16h 55m1 stop
£292Virgin Atlantic
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Sun, 2 Feb
16:10 - 10:30SFO-LHR
10h 20mdirect
£312Virgin Atlantic
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Wed, 30 Apr
20:40 - 15:15SFO-LHR
10h 35mdirect
£325British Airways
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Sun, 23 Feb
06:00 - 08:25SFO-LHR
18h 25m2 stops
£336United Airlines
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Sun, 23 Feb
00:08 - 06:35SFO-LHR
22h 27m2 stops
£341United Airlines
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Mon, 21 Apr
16:35 - 22:40SFO-LHR
22h 05m1 stop
18:30 - 15:55LHR-SFO
29h 25m1 stop
£435TAP AIR PORTUGAL
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Wed, 22 Jan - Thu, 30 Jan
17:30 - 16:00SFO-LHR
14h 30m1 stop
06:40 - 15:40LHR-SFO
17h 00m1 stop
£437Scandinavian Airlines
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Fri, 24 Jan - Mon, 27 Jan
12:50 - 07:25SFO-LHR
10h 35mdirect
08:55 - 16:25LHR-SFO
15h 30m1 stop
£525United Airlines
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Wed, 22 Jan - Thu, 30 Jan
17:25 - 12:00SFO-LHR
10h 35mdirect
10:05 - 13:15LHR-SFO
11h 10mdirect
£539United Airlines
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Wed, 22 Jan - Thu, 30 Jan
16:40 - 10:55SFO-LHR
10h 15mdirect
11:40 - 14:45LHR-SFO
11h 05mdirect
£546Virgin Atlantic
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Thu, 23 Jan - Fri, 31 Jan
13:50 - 19:35SFO-LCY
21h 45m1 stop
20:05 - 17:33LCY-SFO
29h 28m2 stops
£579Virgin Atlantic
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Tue, 21 Jan - Tue, 28 Jan
14:40 - 12:45SFO-LHR
14h 05m1 stop
08:45 - 18:45LHR-SFO
18h 00m1 stop
£593Lufthansa
Find Deal
Fri, 24 Jan - Sat, 1 Feb
14:40 - 12:45SFO-LHR
14h 05m1 stop
06:30 - 12:35LHR-SFO
14h 05m1 stop
£594Lufthansa
Find Deal
Thu, 23 Jan - Sun, 2 Feb
20:40 - 15:15SFO-LHR
10h 35mdirect
11:45 - 15:00LHR-SFO
11h 15mdirect
£648British Airways
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Sat, 25 Jan - Sat, 1 Feb
17:20 - 17:30SFO-LCY
16h 10m1 stop
06:50 - 15:30LCY-SFO
16h 40m1 stop
£714British Airways
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Tue, 21 Jan - Tue, 28 Jan
20:40 - 15:15SFO-LHR
10h 35mdirect
11:45 - 15:00LHR-SFO
11h 15mdirect
£434Iberia
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Tue, 18 Feb - Tue, 25 Feb
18:30 - 12:00SFO-LHR
10h 30mdirect
15:20 - 19:45LHR-SFO
11h 25mdirect
£468Iberia
Find Deal
Wed, 12 Mar - Tue, 18 Mar
19:20 - 13:45SFO-LHR
10h 25mdirect
14:15 - 17:15LHR-SFO
11h 00mdirect
£471Iberia
Find Deal
Tue, 1 Apr - Thu, 10 Apr
17:30 - 12:00SFO-LHR
10h 30mdirect
11:45 - 15:00LHR-SFO
11h 15mdirect
£489British Airways
Find Deal
Wed, 12 Feb - Tue, 25 Feb
21:40 - 15:15SFO-LHR
10h 35mdirect
15:20 - 19:45LHR-SFO
11h 25mdirect
£494British Airways
Find Deal
Mon, 17 Mar - Wed, 26 Mar
21:20 - 15:40SFO-LHR
10h 20mdirect
11:15 - 14:20LHR-SFO
11h 05mdirect
£517Virgin Atlantic
Find Deal
Mon, 28 Apr - Wed, 7 May
21:20 - 15:40SFO-LHR
10h 20mdirect
11:15 - 14:20LHR-SFO
11h 05mdirect
£525Virgin Atlantic
Find Deal
Wed, 30 Apr - Sat, 10 May
12:50 - 07:25SFO-LHR
10h 35mdirect
13:45 - 16:55LHR-SFO
11h 10mdirect
£539United Airlines
Find Deal
Wed, 5 Feb - Wed, 19 Feb
19:40 - 14:10SFO-LHR
10h 30mdirect
16:15 - 19:20LHR-SFO
11h 05mdirect
£541United Airlines
Find Deal
Wed, 16 Apr - Thu, 1 May
19:50 - 14:10SFO-LHR
10h 20mdirect
16:15 - 19:10LHR-SFO
10h 55mdirect
£688Lufthansa
Find Deal
Tue, 15 Jul - Thu, 31 Jul

Iberia flights from San Francisco to London

Our best Iberia deals on San Francisco to London flight tickets
Iberia
18 Feb
SFO20:40San Francisco
10h 35m
LHR15:15London Heathrow
25 Feb
LHR11:45London Heathrow
11h 15m
SFO15:00San Francisco
Iberia
18 Feb
SFO10:41San Francisco
13h 54m
1 stop
LHR08:35London Heathrow
25 Feb
LHR15:35London Heathrow
16h 47m
1 stop
SFO00:22San Francisco
Iberia
12 Mar
SFO10:37San Francisco
13h 13m
1 stop
LHR06:50London Heathrow
21 Mar
LHR11:45London Heathrow
11h 15m
SFO16:00San Francisco

Virgin Atlantic flights from San Francisco to London

Our best Virgin Atlantic deals on San Francisco to London flight tickets
Virgin Atlantic
9 Feb
SFO05:55San Francisco
16h 55m
1 stop
LHR06:50London Heathrow
25 Feb
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
Virgin Atlantic
26 Jan
SFO13:30San Francisco
15h 10m
1 stop
LHR12:40London Heathrow
11 Feb
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
Virgin Atlantic
9 Feb
SFO18:30San Francisco
14h 10m
1 stop
LHR16:40London Heathrow
25 Feb
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 £521, 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 £545.

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

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £573. 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 £716.

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 £621. Flights in the morning are often more expensive, with an average ticket price of £715.

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?

You are more likely to see cheaper flights to London from San Francisco when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to London for around £661 when searching 6 weeks out.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 £637 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.

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

As of January 2025, prices for San Francisco to London flights are approximately 3% 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

£186

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 £186. The best return flight deal from San Francisco to London found on momondo in the last 72 hours is £421.
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
FinnairPriceFrom £402Free CancellationRating
7.6
1,285 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom £448Free CancellationRating
7.1
1,867 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom £466Free CancellationRating
7.5
665 reviews
Search Virgin Atlantic flights
IberiaPriceFrom £472Free CancellationRating
7.0
2,646 reviews
Search Iberia flights
British AirwaysPriceFrom £475Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
Air CanadaPriceFrom £479Free CancellationRating
7.0
8,627 reviews
Search Air Canada flights
KLMPriceFrom £488Free CancellationRating
7.8
1,341 reviews
Search KLM flights
United AirlinesPriceFrom £501Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
LufthansaPriceFrom £507Free CancellationRating
6.7
7,106 reviews
Search Lufthansa flights
DeltaPriceFrom £563Free CancellationRating
8.0
8,521 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 6 flights on this route every week with an average price of £813. 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 £738 round-trip. KLM operates 6 flights out of San Francisco into London in an average week, so prices vary by time and availability. 1,341 KLM reviews by users on momondo have scored the airline at 7.8/10.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Ipswich
Gatwick
Maidstone
Margate
Hounslow
Canterbury
Ilford
Colchester
Dartford
Winchester
Chichester
Bishop's Stortford
Guildford
Hayes
Crawley

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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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London