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Cheap flights from San Francisco to London from $441

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 7/23. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:30 pm - 11:20 pm
SFO
-
LGW
22h 50m
2 stops
Multiple Airlines Logo
5:50 pm - 2:30 pm
LGW
-
SFO
28h 40m
2 stops
$780Multiple Airlines
Thu, May 14 - Mon, May 18
Condor Logo
4:30 pm - 2:40 pm
SFO
-
LGW
14h 10m
1 stop
Condor Logo
7:35 pm - 2:30 pm
LGW
-
SFO
26h 55m
1 stop
$802Condor
Tue, Jul 21 - Thu, Aug 20
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
SWISS Logo
9:25 am - 4:15 pm
LGW
-
SFO
14h 50m
1 stop
$811SWISS
Mon, May 11 - Thu, May 21
Condor Logo
4:30 pm - 2:40 pm
SFO
-
LGW
14h 10m
1 stop
Condor Logo
7:40 pm - 2:30 pm
LGW
-
SFO
26h 50m
1 stop
$815Condor
Fri, May 8 - Wed, May 13
Condor Logo
4:30 pm - 2:40 pm
SFO
-
LGW
14h 10m
1 stop
Condor Logo
7:35 pm - 2:30 pm
LGW
-
SFO
26h 55m
1 stop
$819Condor
Sun, May 10 - Thu, May 14
Multiple Airlines Logo
4:30 pm - 11:10 pm
SFO
-
LGW
22h 40m
2 stops
Multiple Airlines Logo
5:30 pm - 2:30 pm
LGW
-
SFO
29h 00m
2 stops
$821Multiple Airlines
Thu, May 14 - Sun, May 17
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
SWISS Logo
9:25 am - 7:53 pm
LGW
-
SFO
18h 28m
2 stops
$825SWISS
Tue, Jul 28 - Wed, Aug 19
Multiple Airlines Logo
4:30 pm - 11:10 pm
SFO
-
LGW
22h 40m
2 stops
Multiple Airlines Logo
5:30 pm - 2:30 pm
LGW
-
SFO
29h 00m
2 stops
$829Multiple Airlines
Thu, May 14 - Sun, May 17
TAP AIR PORTUGAL Logo
7:35 pm - 9:45 am
SFO
-
LGW
30h 10m
1 stop
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm
LGW
-
SFO
30h 10m
1 stop
$834TAP AIR PORTUGAL
Sat, Aug 1 - Tue, Sep 1
Condor Logo
4:30 pm - 2:40 pm
SFO
-
LGW
14h 10m
1 stop
Condor Logo
7:45 pm - 2:30 pm
LGW
-
SFO
26h 45m
1 stop
$838Condor
Mon, May 18 - Fri, May 22

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SWISS flights from San Francisco to London Gatwick Airport

Our best SWISS deals on San Francisco to London Gatwick Airport flight tickets
SWISS
Sep 15
SFO7:35 pmSan Francisco
14h 15m
1 stop
LGW5:50 pmLondon Gatwick
Oct 15
LGW9:25 amLondon Gatwick
14h 50m
1 stop
SFO4:15 pmSan Francisco
$811
SWISS
Jul 28
SFO7:35 pmSan Francisco
14h 15m
1 stop
LGW5:50 pmLondon Gatwick
Aug 19
LGW9:25 amLondon Gatwick
18h 28m
2 stops
SFO7:53 pmSan Francisco
$825
SWISS
Sep 7
SFO7:35 pmSan Francisco
14h 15m
1 stop
LGW5:50 pmLondon Gatwick
Sep 14
LGW9:25 amLondon Gatwick
14h 50m
1 stop
SFO4:15 pmSan Francisco
$838

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
Aug 12
SFO4:35 pmSan Francisco
34h 45m
2 stops
LGW11:20 amLondon Gatwick
Sep 9
LGW4:25 pmLondon Gatwick
30h 05m
1 stop
SFO2:30 pmSan Francisco
$790
TAP AIR PORTUGAL
Aug 12
SFO4:35 pmSan Francisco
33h 10m
1 stop
LGW9:45 amLondon Gatwick
Sep 9
LGW4:25 pmLondon Gatwick
30h 05m
1 stop
SFO2:30 pmSan Francisco
$791
TAP AIR PORTUGAL
Aug 12
SFO4:35 pmSan Francisco
33h 10m
1 stop
LGW9:45 amLondon Gatwick
Sep 9
LGW9:15 pmLondon Gatwick
25h 15m
2 stops
SFO2:30 pmSan Francisco
$800

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 May 4, 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

Cheapest round-trip

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Thu 5/14

4:30 pm-11:20 pm

2 stops22h 50m

London Gatwick

Mon 5/18

5:50 pm-2:30 pm

2 stops28h 40m

$780

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 7/21

4:30 pm-2:40 pm

1 stop14h 10m

London Gatwick

Thu 8/20

7:35 pm-2:30 pm

1 stop26h 55m

$802
Quickest round-trip

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 5/11

7:35 pm-5:50 pm

1 stop14h 15m

London Gatwick

Thu 5/21

9:25 am-4:15 pm

1 stop14h 50m

$811

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Fri 5/8

4:30 pm-2:40 pm

1 stop14h 10m

London Gatwick

Wed 5/13

7:40 pm-2:30 pm

1 stop26h 50m

$815

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sun 5/10

4:30 pm-2:40 pm

1 stop14h 10m

London Gatwick

Thu 5/14

7:35 pm-2:30 pm

1 stop26h 55m

$819

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Thu 5/14

4:30 pm-11:10 pm

2 stops22h 40m

London Gatwick

Sun 5/17

5:30 pm-2:30 pm

2 stops29h 00m

$821

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 7/28

7:35 pm-5:50 pm

1 stop14h 15m

London Gatwick

Wed 8/19

9:25 am-7:53 pm

2 stops18h 28m

$825

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Thu 5/14

4:30 pm-11:10 pm

2 stops22h 40m

London Gatwick

Sun 5/17

5:30 pm-2:30 pm

2 stops29h 00m

$829

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sat 8/1

7:35 pm-9:45 am

1 stop30h 10m

London Gatwick

Tue 9/1

4:25 pm-2:35 pm

1 stop30h 10m

$834

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 5/18

4:30 pm-2:40 pm

1 stop14h 10m

London Gatwick

Fri 5/22

7:45 pm-2:30 pm

1 stop26h 45m

$838

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 21% 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

Frequently asked questions about flying from San Francisco to London Gatwick Airport

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

    A flight from San Francisco to London Gatwick will travel around 5365.6 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
7,943 reviews
Search British Airways flights
SWISSPriceFrom $601Free CancellationRating
7.6
1,935 reviews
Search SWISS flights

Traveling to a place near London?

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

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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