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Cheap flights from San Francisco to London from $502

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 27/2. 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.
18:30 - 08:35SFO-LHR
31h 05m2 stops
06:40 - 16:30LHR-SFO
17h 50m1 stop
$864Scandinavian Airlines
Find Deal
Fri, 28 Mar - Mon, 31 Mar
17:30 - 16:00SFO-LHR
14h 30m1 stop
21:05 - 15:40LHR-SFO
26h 35m2 stops
$878Scandinavian Airlines
Find Deal
Fri, 31 Jan - Sun, 2 Feb
16:40 - 21:35SFO-LHR
20h 55m1 stop
19:55 - 14:55LHR-SFO
27h 00m1 stop
$880TAP AIR PORTUGAL
Find Deal
Mon, 17 Feb - Fri, 28 Feb
16:20 - 18:50SFO-LHR
18h 30m1 stop
06:00 - 17:50LHR-SFO
19h 50m1 stop
$885TAP AIR PORTUGAL
Find Deal
Sat, 3 May - Sat, 10 May
16:40 - 20:45SFO-LHR
21h 05m1 stop
07:25 - 19:33LHR-SFO
19h 08m1 stop
$938JetBlue
Find Deal
Sun, 9 Mar - Thu, 27 Mar
08:25 - 06:30SFO-LHR
14h 05m1 stop
08:15 - 16:34LHR-SFO
16h 19m1 stop
$941JetBlue
Find Deal
Tue, 1 Apr - Thu, 24 Apr
16:40 - 10:55SFO-LHR
10h 15mdirect
06:30 - 11:50LHR-SFO
13h 20m1 stop
$990Delta
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Wed, 5 Feb - Tue, 18 Feb
00:40 - 07:05SFO-LHR
22h 25m1 stop
06:30 - 11:50LHR-SFO
13h 20m1 stop
$998Delta
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Mon, 17 Feb - Tue, 25 Feb
16:40 - 10:55SFO-LHR
10h 15mdirect
06:30 - 11:50LHR-SFO
13h 20m1 stop
$1,025Virgin Atlantic
Find Deal
Fri, 31 Jan - Sun, 2 Feb
16:10 - 10:30SFO-LHR
10h 20mdirect
20:55 - 11:45LHR-SFO
22h 50m1 stop
$1,045Virgin Atlantic
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Tue, 6 May - Tue, 13 May
13:55 - 12:50SFO-LHR
14h 55m1 stop
$502WestJet
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Thu, 27 Feb
08:30 - 05:55SFO-LHR
13h 25m1 stop
$541JetBlue
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Wed, 26 Feb
00:08 - 06:20SFO-LHR
22h 12m1 stop
$651United Airlines
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Mon, 21 Apr
08:37 - 10:10SFO-LHR
17h 33m1 stop
$652United Airlines
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Wed, 26 Feb
21:20 - 15:40SFO-LHR
10h 20mdirect
$693Delta
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Wed, 21 May
16:40 - 10:55SFO-LHR
10h 15mdirect
$699Virgin Atlantic
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Fri, 21 Feb
09:21 - 11:10SFO-LHR
18h 49m2 stops
$702Air France
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Tue, 18 Mar
00:40 - 12:15SFO-LHR
27h 35m1 stop
$723Delta
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Sun, 11 May
16:10 - 10:30SFO-LHR
10h 20mdirect
$754Virgin Atlantic
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Sun, 6 Jul
15:52 - 21:25SFO-LHR
21h 33m2 stops
$777Air France
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Sat, 22 Feb
17:30 - 16:00SFO-LHR
14h 30m1 stop
06:40 - 15:40LHR-SFO
17h 00m1 stop
$859Scandinavian Airlines
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Fri, 24 Jan - Mon, 27 Jan
17:30 - 16:00SFO-LHR
14h 30m1 stop
19:30 - 15:40LHR-SFO
28h 10m1 stop
$907Scandinavian Airlines
Find Deal
Fri, 24 Jan - Sun, 26 Jan
16:40 - 10:55SFO-LHR
10h 15mdirect
06:30 - 11:50LHR-SFO
13h 20m1 stop
$1,025Virgin Atlantic
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Fri, 24 Jan - Sun, 26 Jan
12:50 - 07:25SFO-LHR
10h 35mdirect
08:55 - 16:25LHR-SFO
15h 30m1 stop
$1,032United Airlines
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Tue, 21 Jan - Tue, 28 Jan
09:00 - 07:55SFO-LHR
14h 55m1 stop
06:30 - 11:50LHR-SFO
13h 20m1 stop
$1,033KLM
Find Deal
Fri, 24 Jan - Sun, 26 Jan
17:30 - 21:40SFO-LHR
20h 10m1 stop
19:30 - 15:40LHR-SFO
28h 10m1 stop
$1,049Scandinavian Airlines
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Sat, 25 Jan - Wed, 29 Jan
17:25 - 12:00SFO-LHR
10h 35mdirect
10:05 - 13:15LHR-SFO
11h 10mdirect
$1,059United Airlines
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Tue, 21 Jan - Tue, 28 Jan
16:40 - 10:55SFO-LHR
10h 15mdirect
11:45 - 11:50LHR-SFO
32h 05m1 stop
$1,087Delta
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Thu, 23 Jan - Mon, 3 Feb
16:10 - 20:10SFO-LHR
20h 00m1 stop
11:40 - 14:45LHR-SFO
11h 05mdirect
$1,091Delta
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Sat, 25 Jan - Sun, 2 Feb
16:40 - 10:55SFO-LHR
10h 15mdirect
11:40 - 14:45LHR-SFO
11h 05mdirect
$1,108Virgin Atlantic
Find Deal
Thu, 23 Jan - Fri, 31 Jan
17:30 - 12:00SFO-LHR
10h 30mdirect
15:20 - 18:45LHR-SFO
11h 25mdirect
$993Finnair
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Sun, 9 Feb - Tue, 25 Feb
19:20 - 13:45SFO-LHR
10h 25mdirect
10:45 - 13:50LHR-SFO
11h 05mdirect
$999Finnair
Find Deal
Mon, 21 Apr - Wed, 30 Apr
17:40 - 10:55SFO-LHR
10h 15mdirect
11:40 - 15:45LHR-SFO
11h 05mdirect
$1,011Delta
Find Deal
Wed, 12 Mar - Fri, 21 Mar
16:10 - 10:30SFO-LHR
10h 20mdirect
16:25 - 19:30LHR-SFO
11h 05mdirect
$1,016Delta
Find Deal
Tue, 29 Apr - Wed, 7 May
20:40 - 15:15SFO-LHR
10h 35mdirect
15:20 - 18:45LHR-SFO
11h 25mdirect
$1,027British Airways
Find Deal
Tue, 18 Feb - Tue, 4 Mar
20:40 - 15:15SFO-LHR
10h 35mdirect
15:20 - 19:45LHR-SFO
11h 25mdirect
$1,056British Airways
Find Deal
Wed, 26 Feb - Thu, 20 Mar
12:50 - 07:25SFO-LHR
10h 35mdirect
10:05 - 13:15LHR-SFO
11h 10mdirect
$1,059United Airlines
Find Deal
Wed, 12 Feb - Wed, 19 Feb
19:40 - 14:10SFO-LHR
10h 30mdirect
16:15 - 19:20LHR-SFO
11h 05mdirect
$1,064United Airlines
Find Deal
Wed, 16 Apr - Thu, 1 May
16:40 - 10:55SFO-LHR
10h 15mdirect
11:40 - 14:45LHR-SFO
11h 05mdirect
$1,316Virgin Atlantic
Find Deal
Fri, 14 Feb - Mon, 17 Feb
21:20 - 15:40SFO-LHR
10h 20mdirect
11:15 - 14:20LHR-SFO
11h 05mdirect
$1,640Virgin Atlantic
Find Deal
Thu, 10 Jul - Thu, 7 Aug

Finnair flights from San Francisco to London

Our best Finnair deals on San Francisco to London flight tickets
Finnair
9 Feb
SFO17:30San Francisco
10h 30m
LHR12:00London Heathrow
25 Feb
LHR15:20London Heathrow
11h 25m
SFO18:45San Francisco
Finnair
9 Feb
SFO10:40San Francisco
13h 55m
1 stop
LHR08:35London Heathrow
25 Feb
LHR12:30London Heathrow
16h 30m
1 stop
SFO21:00San Francisco

SWISS flights from San Francisco to London

Our best SWISS deals on San Francisco to London flight tickets
SWISS
28 Jan
SFO19:25San Francisco
15h 50m
1 stop
LHR19:15London Heathrow
10 Feb
LHR17:10London Heathrow
31h 15m
1 stop
SFO16:25San Francisco
SWISS
5 Feb
SFO10:45San Francisco
21h 35m
2 stops
LHR16:20London Heathrow
17 Feb
LHR17:10London Heathrow
31h 15m
1 stop
SFO16:25San Francisco
SWISS
9 Feb
SFO19:25San Francisco
14h 25m
1 stop
LHR17:50London Heathrow
25 Feb
LHR07:00London Heathrow
17h 25m
2 stops
SFO16:25San 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?

If you aren’t able to travel during the month of October, then book flights to London from San Francisco during September instead. Flights to London in September, while not as cheap as those in October, still average around $1,070.

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

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $0. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to London for around $1,902.

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

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as $0. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around $1,450.

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 $1,300 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 $1,251 on momondo.

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

There are 3 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

$502

Fastest flight time

10h 15m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from San Francisco in the past 72 hours is $502. The best return flight deal from San Francisco to London found on momondo in the last 72 hours is $864.
The fastest flight from San Francisco to London takes 10h 15m
Direct flights go from San Francisco to London every day.
There is 1 airport near London: London Heathrow (LHR)

  • How far is San Francisco to London by plane?

    London is 8609.4 km away from San Francisco. By plane, this route typically takes 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 are updated daily.

  • 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 stopovers 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Brentford
Wembley
Ipswich
Dover
Newbury
Harrow
Richmond
Twickenham
Eastbourne
Slough
Barnet
Borehamwood
Brentwood
Milton Keynes
Guildford
Sutton
Maidstone
Horsham

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to London. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for San Francisco to London flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to London.

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

Yes momondo offers price alerts on flights to London from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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 49.5 km from London