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Cheap flights from San Francisco to London from $348

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 10/16. 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
1 adult, Economy, 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.
TAP AIR PORTUGAL Logo
4:20 pm - 3:35 pm-
15h 15m
TAP AIR PORTUGAL Logo
4:35 pm - 2:45 pm-
30h 10m
$661TAP AIR PORTUGAL
Tue, Oct 6 - Tue, Nov 24
TAP AIR PORTUGAL Logo
4:20 pm - 3:35 pm-
15h 15m
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm-
30h 10m
$661TAP AIR PORTUGAL
Tue, Sep 22 - Tue, Sep 29
TAP AIR PORTUGAL Logo
4:20 pm - 3:35 pm-
15h 15m
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm-
30h 10m
$662TAP AIR PORTUGAL
Tue, Sep 22 - Tue, Oct 6
TAP AIR PORTUGAL Logo
4:35 pm - 3:45 pm-
15h 10m
TAP AIR PORTUGAL Logo
4:35 pm - 2:45 pm-
30h 10m
$662TAP AIR PORTUGAL
Mon, Nov 23 - Tue, Dec 8
TAP AIR PORTUGAL Logo
4:30 pm - 9:45 am-
33h 15m
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm-
30h 10m
$665TAP AIR PORTUGAL
Mon, Sep 21 - Tue, Oct 6
TAP AIR PORTUGAL Logo
4:20 pm - 3:35 pm-
15h 15m
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm-
30h 10m
$666TAP AIR PORTUGAL
Tue, Sep 22 - Tue, Sep 29
TAP AIR PORTUGAL Logo
4:30 pm - 9:45 am-
33h 15m
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm-
30h 10m
$667TAP AIR PORTUGAL
Mon, Sep 21 - Tue, Oct 6
TAP AIR PORTUGAL Logo
4:20 pm - 3:35 pm-
15h 15m
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm-
30h 10m
$668TAP AIR PORTUGAL
Tue, Sep 22 - Tue, Sep 29
SWISS Logo
7:25 pm - 5:50 pm-
14h 25m
SWISS Logo
8:35 am - 4:30 pm-
15h 55m
$778SWISS
Mon, Nov 16 - Mon, Nov 30
SWISS Logo
7:25 pm - 5:50 pm-
14h 25m
SWISS Logo
8:35 am - 4:30 pm-
15h 55m
$782SWISS
Sun, Nov 15 - Mon, Nov 23

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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
Sep 22
SFO4:20 pmSan Francisco
15h 15m
1 stop
LGW3:35 pmLondon Gatwick
Sep 29
LGW4:25 pmLondon Gatwick
30h 10m
1 stop
SFO2:35 pmSan Francisco
$661
TAP AIR PORTUGAL
Sep 22
SFO4:20 pmSan Francisco
15h 15m
1 stop
LGW3:35 pmLondon Gatwick
Oct 6
LGW4:25 pmLondon Gatwick
30h 10m
1 stop
SFO2:35 pmSan Francisco
$662
TAP AIR PORTUGAL
Sep 21
SFO4:30 pmSan Francisco
33h 15m
1 stop
LGW9:45 amLondon Gatwick
Oct 6
LGW4:25 pmLondon Gatwick
30h 10m
1 stop
SFO2:35 pmSan Francisco
$665

JetBlue flights from San Francisco to London Gatwick Airport

Our best JetBlue deals on San Francisco to London Gatwick Airport flight tickets
JetBlue
Aug 16
SFO6:00 amSan Francisco
19h 35m
1 stop
LGW9:35 amLondon Gatwick
Aug 19
LGW12:20 pmLondon Gatwick
20h 10m
1 stop
SFO12:30 amSan Francisco
$839
JetBlue
Aug 18
SFO6:00 amSan Francisco
19h 35m
1 stop
LGW9:35 amLondon Gatwick
Aug 25
LGW12:20 pmLondon Gatwick
20h 10m
1 stop
SFO12:30 amSan Francisco
$846
JetBlue
Aug 18
SFO6:00 amSan Francisco
19h 35m
1 stop
LGW9:35 amLondon Gatwick
Aug 28
LGW12:20 pmLondon Gatwick
18h 18m
1 stop
SFO10:38 pmSan Francisco
$847

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 August 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

Tue 10/6

4:20 pm-3:35 pm

1 stop15h 15m

London Gatwick

Tue 11/24

4:35 pm-2:45 pm

1 stop30h 10m

$661

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 9/22

4:20 pm-3:35 pm

1 stop15h 15m

London Gatwick

Tue 9/29

4:25 pm-2:35 pm

1 stop30h 10m

$661

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 9/22

4:20 pm-3:35 pm

1 stop15h 15m

London Gatwick

Tue 10/6

4:25 pm-2:35 pm

1 stop30h 10m

$662

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 11/23

4:35 pm-3:45 pm

1 stop15h 10m

London Gatwick

Tue 12/8

4:35 pm-2:45 pm

1 stop30h 10m

$662

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 9/21

4:30 pm-9:45 am

1 stop33h 15m

London Gatwick

Tue 10/6

4:25 pm-2:35 pm

1 stop30h 10m

$665

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 9/22

4:20 pm-3:35 pm

1 stop15h 15m

London Gatwick

Tue 9/29

4:25 pm-2:35 pm

1 stop30h 10m

$666

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 9/21

4:30 pm-9:45 am

1 stop33h 15m

London Gatwick

Tue 10/6

4:25 pm-2:35 pm

1 stop30h 10m

$667

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 9/22

4:20 pm-3:35 pm

1 stop15h 15m

London Gatwick

Tue 9/29

4:25 pm-2:35 pm

1 stop30h 10m

$668
Quickest round-trip

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 11/16

7:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

Mon 11/30

8:35 am-4:30 pm

1 stop15h 55m

$778

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sun 11/15

7:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

Mon 11/23

8:35 am-4:30 pm

1 stop15h 55m

$782

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 25% on your flight if you consider stops on a San Francisco to London Gatwick Airport flight.

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
SWISSPriceFrom $652Free CancellationRating
7.5
2,025 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
Luton
Hayes
Wembley
Dover
Croydon
Stansted
Kingston upon Thames
Slough
Harrow
Watford
Cobham
Richmond
Uxbridge
Worthing
Romford
Ilford
Dunstable

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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