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Cheap flights from San Francisco to London from £282

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 19/9. 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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0 bags
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Cheap return flights

TAP AIR PORTUGAL Logo
16:35 - 10:00SFO-LGW
33h 25m2 stops
TAP AIR PORTUGAL Logo
16:35 - 14:30LGW-SFO
29h 55m1 stop
£396TAP AIR PORTUGAL
Find Deal
Wed, 12 Nov - Tue, 18 Nov
Logo
08:25 - 14:15SFO-LGW
21h 50m2 stops
Logo
16:25 - 16:30LGW-SFO
32h 05m2 stops
£398
Find Deal
Wed, 5 Nov - Mon, 10 Nov
TAP AIR PORTUGAL Logo
16:20 - 09:45SFO-LGW
33h 25m1 stop
TAP AIR PORTUGAL Logo
16:25 - 14:35LGW-SFO
30h 10m1 stop
£400TAP AIR PORTUGAL
Find Deal
Wed, 15 Oct - Tue, 21 Oct
TAP AIR PORTUGAL Logo
16:35 - 10:00SFO-LGW
33h 25m2 stops
TAP AIR PORTUGAL Logo
10:40 - 14:30LGW-SFO
35h 50m1 stop
£401TAP AIR PORTUGAL
Find Deal
Wed, 10 Dec - Tue, 16 Dec
Logo
08:25 - 21:40SFO-LGW
29h 15m2 stops
Logo
21:05 - 16:30LGW-SFO
27h 25m2 stops
£402
Find Deal
Wed, 12 Nov - Wed, 19 Nov
Logo
08:25 - 14:15SFO-LGW
21h 50m2 stops
Logo
16:00 - 16:30LGW-SFO
32h 30m2 stops
£404
Find Deal
Wed, 5 Nov - Wed, 12 Nov
American Airlines Logo
10:12 - 08:10SFO-LGW
13h 58m1 stop
American Airlines Logo
15:05 - 23:28LGW-SFO
16h 23m1 stop
£412American Airlines
Find Deal
Tue, 7 Oct - Wed, 15 Oct
SWISS Logo
19:40 - 17:50SFO-LGW
14h 10m1 stop
SWISS Logo
18:35 - 16:10LGW-SFO
29h 35m1 stop
£415SWISS
Find Deal
Mon, 6 Oct - Tue, 14 Oct
SWISS Logo
19:40 - 17:50SFO-LGW
14h 10m1 stop
SWISS Logo
18:35 - 16:10LGW-SFO
29h 35m1 stop
£415SWISS
Find Deal
Mon, 6 Oct - Tue, 14 Oct
American Airlines Logo
06:00 - 09:00SFO-LGW
19h 00m2 stops
American Airlines Logo
11:20 - 09:25LGW-SFO
30h 05m2 stops
£416American Airlines
Find Deal
Wed, 19 Nov - Tue, 25 Nov

SWISS flights from San Francisco to London Gatwick Airport

Our best SWISS deals on San Francisco to London Gatwick Airport flight tickets
SWISS
6 Oct
SFO19:40San Francisco
14h 10m
1 stop
LGW17:50London Gatwick
14 Oct
LGW18:35London Gatwick
29h 35m
1 stop
SFO16:10San Francisco
£415
Find similar
SWISS
6 Oct
SFO19:40San Francisco
14h 10m
1 stop
LGW17:50London Gatwick
14 Oct
LGW18:35London Gatwick
29h 35m
1 stop
SFO16:10San Francisco
£415
Find similar
SWISS
27 Oct
SFO20:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
3 Nov
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
£417
Find similar

TAP AIR PORTUGAL flights from San Francisco to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on San Francisco to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
12 Nov
SFO16:35San Francisco
33h 25m
2 stops
LGW10:00London Gatwick
18 Nov
LGW16:35London Gatwick
29h 55m
1 stop
SFO14:30San Francisco
£396
Find similar
TAP AIR PORTUGAL
15 Oct
SFO16:20San Francisco
33h 25m
1 stop
LGW09:45London Gatwick
21 Oct
LGW16:25London Gatwick
30h 10m
1 stop
SFO14:35San Francisco
£400
Find similar
TAP AIR PORTUGAL
10 Dec
SFO16:35San Francisco
33h 25m
2 stops
LGW10:00London Gatwick
16 Dec
LGW10:40London Gatwick
35h 50m
1 stop
SFO14:30San Francisco
£401
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from San Francisco to London Gatwick Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 13 September 2025.
Use the filters below to find and compare flights from San Francisco to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 12/11

16:35-10:00

2 stops33h 25m

London Gatwick

Tue 18/11

16:35-14:30

1 stop29h 55m

£396

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 5/11

08:25-14:15

2 stops21h 50m

London Gatwick

Mon 10/11

16:25-16:30

2 stops32h 05m

£398

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 15/10

16:20-09:45

1 stop33h 25m

London Gatwick

Tue 21/10

16:25-14:35

1 stop30h 10m

£400

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 10/12

16:35-10:00

2 stops33h 25m

London Gatwick

Tue 16/12

10:40-14:30

1 stop35h 50m

£401

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 12/11

08:25-21:40

2 stops29h 15m

London Gatwick

Wed 19/11

21:05-16:30

2 stops27h 25m

£402

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 5/11

08:25-14:15

2 stops21h 50m

London Gatwick

Wed 12/11

16:00-16:30

2 stops32h 30m

£404

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 7/10

10:12-08:10

1 stop13h 58m

London Gatwick

Wed 15/10

15:05-23:28

1 stop16h 23m

£412

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 6/10

19:40-17:50

1 stop14h 10m

London Gatwick

Tue 14/10

18:35-16:10

1 stop29h 35m

£415

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 6/10

19:40-17:50

1 stop14h 10m

London Gatwick

Tue 14/10

18:35-16:10

1 stop29h 35m

£415

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 19/11

06:00-09:00

2 stops19h 00m

London Gatwick

Tue 25/11

11:20-09:25

2 stops30h 05m

£416

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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 cheapest month to fly to London Gatwick Airport?

The cheapest month to fly to London Gatwick Airport from San Francisco is in April. Flight prices, which tend to average around £475, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in April, then you should wait until October to fly from San Francisco, when ticket prices are also cheap, with an average price of £502.

When to book flights from San Francisco to London Gatwick Airport

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

Cheap San Francisco to London Gatwick Airport (SFO to LGW) flight deals and tips

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

Direct flights

None
There are no direct flights from San Francisco to London Gatwick Airport. There are no popular flight routes from San Francisco to London Gatwick Airport.
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  • How far is San Francisco to London Gatwick by plane?

    The straight-line distance from San Francisco to London Gatwick is 5365.4 mi. Typically, this will take 13h 58m by plane in normal conditions.

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

    Prices for flights from San Francisco Airport to London Gatwick Airport are refreshed on a daily basis.

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

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

    The travel and health documents required for your trip to London Gatwick 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 London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Dover
Chelmsford
Hayes
Dartford
Winchester
Hounslow
Stansted

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?

momondo does allow users to show only those flights to London from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between San Francisco and London 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 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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