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Cheap flights from San Francisco to London from $369

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 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Francisco to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
7:10 pm - 9:50 am
SFO
-
LGW
30h 40m
1 stop
TAP AIR PORTUGAL Logo
9:25 pm - 2:45 pm
LGW
-
SFO
25h 20m
2 stops
$594TAP AIR PORTUGAL
Fri, Feb 27 - Fri, Mar 6
SWISS Logo
7:25 pm - 5:50 pm
SFO
-
LGW
14h 25m
1 stop
SWISS Logo
6:40 pm - 5:30 pm
LGW
-
SFO
29h 50m
1 stop
$595SWISS
Wed, Mar 4 - Wed, Mar 11
SWISS Logo
7:25 pm - 5:50 pm
SFO
-
LGW
14h 25m
1 stop
SWISS Logo
6:40 pm - 4:30 pm
LGW
-
SFO
29h 50m
1 stop
$596SWISS
Tue, Feb 10 - Wed, Feb 25
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
SWISS Logo
6:35 pm - 4:15 pm
LGW
-
SFO
29h 40m
1 stop
$598SWISS
Wed, May 6 - Wed, May 13
SWISS Logo
7:25 pm - 5:50 pm
SFO
-
LGW
14h 25m
1 stop
SWISS Logo
6:40 pm - 4:30 pm
LGW
-
SFO
29h 50m
1 stop
$599SWISS
Tue, Feb 10 - Tue, Feb 17
TAP AIR PORTUGAL Logo
8:10 pm - 9:50 am
SFO
-
LGW
30h 40m
1 stop
TAP AIR PORTUGAL Logo
10:40 am - 3:35 pm
LGW
-
SFO
35h 55m
1 stop
$600TAP AIR PORTUGAL
Fri, Mar 13 - Sun, Mar 22
TAP AIR PORTUGAL Logo
4:35 pm - 9:50 am
SFO
-
LGW
33h 15m
1 stop
TAP AIR PORTUGAL Logo
10:10 am - 2:35 pm
LGW
-
SFO
60h 25m
2 stops
$601TAP AIR PORTUGAL
Wed, Feb 18 - Sat, Feb 28
Multiple Airlines Logo
2:40 pm - 7:25 pm
SFO
-
LGW
20h 45m
2 stops
Multiple Airlines Logo
8:40 am - 8:35 pm
LGW
-
SFO
18h 55m
2 stops
$602Multiple Airlines
Mon, Mar 2 - Wed, Mar 18
TAP AIR PORTUGAL Logo
4:35 pm - 9:50 am
SFO
-
LGW
33h 15m
1 stop
TAP AIR PORTUGAL Logo
10:10 am - 2:35 pm
LGW
-
SFO
60h 25m
2 stops
$603TAP AIR PORTUGAL
Wed, Feb 18 - Sat, Feb 28
SWISS Logo
8:25 pm - 5:50 pm
SFO
-
LGW
14h 25m
1 stop
SWISS Logo
9:15 am - 4:15 pm
LGW
-
SFO
15h 00m
1 stop
$605SWISS
Wed, Mar 18 - Wed, Apr 22

SWISS flights from San Francisco to London Gatwick Airport

Our best SWISS deals on San Francisco to London Gatwick Airport flight tickets
SWISS
Feb 4
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
Feb 11
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO4:30 pmSan Francisco
$594
SWISS
Mar 4
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
Mar 11
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO5:30 pmSan Francisco
$595
SWISS
Feb 10
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
Feb 25
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO4:30 pmSan Francisco
$596

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
Feb 27
SFO7:10 pmSan Francisco
30h 40m
1 stop
LGW9:50 amLondon Gatwick
Mar 6
LGW9:25 pmLondon Gatwick
25h 20m
2 stops
SFO2:45 pmSan Francisco
$594
TAP AIR PORTUGAL
Jan 31
SFO4:35 pmSan Francisco
33h 15m
1 stop
LGW9:50 amLondon Gatwick
Feb 28
LGW10:10 amLondon Gatwick
60h 25m
2 stops
SFO2:35 pmSan Francisco
$597
TAP AIR PORTUGAL
Feb 7
SFO4:35 pmSan Francisco
33h 15m
1 stop
LGW9:50 amLondon Gatwick
Feb 16
LGW9:25 pmLondon Gatwick
49h 05m
2 stops
SFO2:30 pmSan Francisco
$599

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 29, 2026.
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

Fri 2/27

7:10 pm-9:50 am

1 stop30h 40m

London Gatwick

Fri 3/6

9:25 pm-2:45 pm

2 stops25h 20m

$594

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 3/4

7:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

Wed 3/11

6:40 pm-5:30 pm

1 stop29h 50m

$595

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 2/10

7:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

Wed 2/25

6:40 pm-4:30 pm

1 stop29h 50m

$596

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 5/6

7:35 pm-5:50 pm

1 stop14h 15m

London Gatwick

Wed 5/13

6:35 pm-4:15 pm

1 stop29h 40m

$598

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 2/10

7:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

Tue 2/17

6:40 pm-4:30 pm

1 stop29h 50m

$599

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Fri 3/13

8:10 pm-9:50 am

1 stop30h 40m

London Gatwick

Sun 3/22

10:40 am-3:35 pm

1 stop35h 55m

$600

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 2/18

4:35 pm-9:50 am

1 stop33h 15m

London Gatwick

Sat 2/28

10:10 am-2:35 pm

2 stops60h 25m

$601

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 3/2

2:40 pm-7:25 pm

2 stops20h 45m

London Gatwick

Wed 3/18

8:40 am-8:35 pm

2 stops18h 55m

$602

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 2/18

4:35 pm-9:50 am

1 stop33h 15m

London Gatwick

Sat 2/28

10:10 am-2:35 pm

2 stops60h 25m

$603

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 3/18

8:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

Wed 4/22

9:15 am-4:15 pm

1 stop15h 00m

$605

Flights are sorted by cheapest round-trip 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

Can stopping save me money on San Francisco to London Gatwick Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a San Francisco to London Gatwick Airport flight.

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

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 round-trip 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

Fastest flight time

14h 10m

Direct flights

None
The fastest flight from San Francisco to London Gatwick Airport takes 14h 10m
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.
Search flight deals

  • How far is San Francisco to London Gatwick by plane?

    A flight from San Francisco to London Gatwick will travel around 5365.4 mi. Typically, this will take 14h 10m 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 refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to London Gatwick Airport.

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

    The necessary travel and health documents for your London Gatwick Airport 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 license 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 airline from San Francisco to London Gatwick Airport?

Best airlines flying from San Francisco to London Gatwick Airport

Compare and see reviews for airlines that fly from San Francisco to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
United AirlinesPriceFrom $636Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $639Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Croydon
Richmond

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?

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 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?

Of course. momondo tracks the price of San Francisco to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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