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Cheap flights from San Francisco to London from £147

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 19/10. 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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TAP AIR PORTUGAL Logo
18:45 - 09:45SFO-LGW
31h 00m2 stops
TAP AIR PORTUGAL Logo
16:25 - 14:35LGW-SFO
30h 10m1 stop
£314TAP AIR PORTUGAL
Find Deal
Tue, 16 Sep - Tue, 23 Sep
TAP AIR PORTUGAL Logo
18:45 - 09:45SFO-LGW
31h 00m1 stop
TAP AIR PORTUGAL Logo
16:25 - 14:35LGW-SFO
30h 10m1 stop
£320TAP AIR PORTUGAL
Find Deal
Tue, 16 Sep - Tue, 23 Sep
TAP AIR PORTUGAL Logo
16:35 - 09:50SFO-LGW
33h 15m1 stop
TAP AIR PORTUGAL Logo
16:35 - 14:30LGW-SFO
29h 55m1 stop
£327TAP AIR PORTUGAL
Find Deal
Wed, 14 Jan - Tue, 20 Jan
Logo
10:59 - 10:55SFO-LGW
15h 56m1 stop
Logo
10:55 - 10:55LGW-SFO
32h 00m1 stop
£355
Find Deal
Wed, 15 Oct - Sun, 19 Oct
SWISS Logo
19:40 - 17:50SFO-LGW
14h 10m1 stop
SWISS Logo
18:40 - 17:30LGW-SFO
29h 50m1 stop
£365SWISS
Find Deal
Mon, 20 Oct - Mon, 27 Oct
Logo
07:00 - 10:40SFO-LGW
19h 40m1 stop
Logo
15:05 - 23:44LGW-SFO
16h 39m1 stop
£368
Find Deal
Wed, 8 Oct - Wed, 22 Oct
American Airlines Logo
05:09 - 08:10SFO-LGW
19h 01m2 stops
American Airlines Logo
15:05 - 09:21LGW-SFO
26h 16m1 stop
£372American Airlines
Find Deal
Wed, 8 Oct - Wed, 22 Oct
SWISS Logo
19:30 - 17:55SFO-LGW
14h 25m1 stop
SWISS Logo
18:35 - 16:10LGW-SFO
29h 35m1 stop
£378SWISS
Find Deal
Wed, 13 Aug - Tue, 19 Aug
British Airways Logo
22:43 - 08:10SFO-LGW
25h 27m1 stop
British Airways Logo
15:05 - 09:24LGW-SFO
26h 19m1 stop
£391British Airways
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Tue, 16 Sep - Tue, 30 Sep
British Airways Logo
08:00 - 10:10SFO-LGW
18h 10m2 stops
British Airways Logo
15:05 - 09:21LGW-SFO
26h 16m1 stop
£404British Airways
Find Deal
Mon, 6 Oct - Mon, 13 Oct

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
16 Sept
SFO18:45San Francisco
31h 00m
2 stops
LGW09:45London Gatwick
23 Sept
LGW16:25London Gatwick
30h 10m
1 stop
SFO14:35San Francisco
£314
Find similar
TAP AIR PORTUGAL
16 Sept
SFO18:45San Francisco
31h 00m
1 stop
LGW09:45London Gatwick
23 Sept
LGW16:25London Gatwick
30h 10m
1 stop
SFO14:35San Francisco
£320
Find similar
TAP AIR PORTUGAL
14 Jan
SFO16:35San Francisco
33h 15m
1 stop
LGW09:50London Gatwick
20 Jan
LGW16:35London Gatwick
29h 55m
1 stop
SFO14:30San Francisco
£327
Find similar

SWISS flights from San Francisco to London Gatwick Airport

Our best SWISS deals on San Francisco to London Gatwick Airport flight tickets
SWISS
20 Oct
SFO19:40San Francisco
14h 10m
1 stop
LGW17:50London Gatwick
27 Oct
LGW18:40London Gatwick
29h 50m
1 stop
SFO17:30San Francisco
£365
Find similar
SWISS
13 Aug
SFO19:30San Francisco
14h 25m
1 stop
LGW17:55London Gatwick
20 Aug
LGW18:35London Gatwick
33h 35m
2 stops
SFO20:10San Francisco
£374
Find similar
SWISS
13 Aug
SFO19:30San Francisco
14h 25m
1 stop
LGW17:55London Gatwick
19 Aug
LGW18:35London Gatwick
29h 35m
1 stop
SFO16:10San Francisco
£378
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 1 August 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

Tue 16/9

18:45-09:45

2 stops31h 00m

London Gatwick

Tue 23/9

16:25-14:35

1 stop30h 10m

£314

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 16/9

18:45-09:45

1 stop31h 00m

London Gatwick

Tue 23/9

16:25-14:35

1 stop30h 10m

£320

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 14/1

16:35-09:50

1 stop33h 15m

London Gatwick

Tue 20/1

16:35-14:30

1 stop29h 55m

£327

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 15/10

10:59-10:55

1 stop15h 56m

London Gatwick

Sun 19/10

10:55-10:55

1 stop32h 00m

£355

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 20/10

19:40-17:50

1 stop14h 10m

London Gatwick

Mon 27/10

18:40-17:30

1 stop29h 50m

£365

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 8/10

07:00-10:40

1 stop19h 40m

London Gatwick

Wed 22/10

15:05-23:44

1 stop16h 39m

£368

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 8/10

05:09-08:10

2 stops19h 01m

London Gatwick

Wed 22/10

15:05-09:21

1 stop26h 16m

£372

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 13/8

19:30-17:55

1 stop14h 25m

London Gatwick

Tue 19/8

18:35-16:10

1 stop29h 35m

£378

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 16/9

22:43-08:10

1 stop25h 27m

London Gatwick

Tue 30/9

15:05-09:24

1 stop26h 19m

£391

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 6/10

08:00-10:10

2 stops18h 10m

London Gatwick

Mon 13/10

15:05-09:21

1 stop26h 16m

£404

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 £487, 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 £503.

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

Best price found

£147

Fastest flight time

13h 48m

Direct flights

None
The best one-way flight to London Gatwick Airport from San Francisco in the past 72 hours is £147. The best return flight deal from San Francisco to London Gatwick Airport found on momondo in the last 72 hours is £314.
The fastest flight from San Francisco to London Gatwick Airport takes 13h 48m
There are no direct flights from San Francisco to London Gatwick Airport. Popular non-direct route for this connection is San Francisco Airport - 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 48m 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
Milton Keynes
Luton
Slough
Southend-on-Sea
Maidstone
Canterbury
Gatwick
Ipswich
Ilford
Dartford
Guildford
Colchester
Worthing
Hounslow
Dover
Winchester
Margate
Chelmsford
Bedford

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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