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Cheap flights from San Francisco to London from $384

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 12/1. 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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Find the cheapest flights from San Francisco to London

Cheap round-trip flights

TAP AIR PORTUGAL Logo
4:35 pm - 3:45 pmSFO-LGW
15h 10m1 stop
TAP AIR PORTUGAL Logo
4:00 pm - 4:05 pmLGW-SFO
32h 05m1 stop
$517TAP AIR PORTUGAL
Find Deal
Mon, Nov 3 - Thu, Nov 13
TAP AIR PORTUGAL Logo
4:35 pm - 9:50 amSFO-LGW
33h 15m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 2:30 pmLGW-SFO
29h 55m1 stop
$520TAP AIR PORTUGAL
Find Deal
Mon, Nov 3 - Tue, Nov 18
Logo
8:25 am - 9:40 pmSFO-LGW
29h 15m2 stops
Logo
7:00 am - 9:22 pmLGW-SFO
22h 22m2 stops
$526
Find Deal
Wed, Nov 12 - Thu, Nov 20
TAP AIR PORTUGAL Logo
4:35 pm - 9:50 amSFO-LGW
33h 15m1 stop
TAP AIR PORTUGAL Logo
10:40 am - 3:35 pmLGW-SFO
35h 55m1 stop
$527TAP AIR PORTUGAL
Find Deal
Sat, Feb 28 - Sun, Mar 15
TAP AIR PORTUGAL Logo
4:35 pm - 10:00 amSFO-LGW
33h 25m2 stops
TAP AIR PORTUGAL Logo
4:00 pm - 4:05 pmLGW-SFO
32h 05m1 stop
$532TAP AIR PORTUGAL
Find Deal
Wed, Nov 5 - Thu, Nov 13
Logo
8:25 am - 2:15 pmSFO-LGW
21h 50m2 stops
Logo
4:25 pm - 4:30 pmLGW-SFO
32h 05m2 stops
$540
Find Deal
Wed, Nov 5 - Mon, Nov 10
TAP AIR PORTUGAL Logo
4:20 pm - 9:45 amSFO-LGW
33h 25m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 2:30 pmLGW-SFO
29h 55m1 stop
$542TAP AIR PORTUGAL
Find Deal
Wed, Oct 15 - Tue, Nov 4
SWISS Logo
7:30 pm - 5:55 pmSFO-LGW
14h 25m1 stop
SWISS Logo
6:35 pm - 4:10 pmLGW-SFO
29h 35m1 stop
$561SWISS
Find Deal
Wed, Oct 1 - Tue, Oct 7
SWISS Logo
7:30 pm - 5:50 pmSFO-LGW
14h 20m1 stop
SWISS Logo
6:35 pm - 4:10 pmLGW-SFO
29h 35m1 stop
$562SWISS
Find Deal
Sun, Sep 28 - Tue, Oct 7
SWISS Logo
7:40 pm - 5:50 pmSFO-LGW
14h 10m1 stop
SWISS Logo
6:35 pm - 4:10 pmLGW-SFO
29h 35m1 stop
$563SWISS
Find Deal
Mon, Oct 6 - Tue, Oct 14

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
Nov 3
SFO4:35 pmSan Francisco
15h 10m
1 stop
LGW3:45 pmLondon Gatwick
Nov 13
LGW4:00 pmLondon Gatwick
32h 05m
1 stop
SFO4:05 pmSan Francisco
$517
Find similar
TAP AIR PORTUGAL
Nov 3
SFO4:35 pmSan Francisco
33h 15m
1 stop
LGW9:50 amLondon Gatwick
Nov 18
LGW4:35 pmLondon Gatwick
29h 55m
1 stop
SFO2:30 pmSan Francisco
$520
Find similar
TAP AIR PORTUGAL
Feb 28
SFO4:35 pmSan Francisco
33h 15m
1 stop
LGW9:50 amLondon Gatwick
Mar 15
LGW10:40 amLondon Gatwick
35h 55m
1 stop
SFO3:35 pmSan Francisco
$527
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
Oct 1
SFO7:30 pmSan Francisco
14h 25m
1 stop
LGW5:55 pmLondon Gatwick
Oct 7
LGW6:35 pmLondon Gatwick
29h 35m
1 stop
SFO4:10 pmSan Francisco
$561
Find similar
SWISS
Sep 28
SFO7:30 pmSan Francisco
14h 20m
1 stop
LGW5:50 pmLondon Gatwick
Oct 7
LGW6:35 pmLondon Gatwick
29h 35m
1 stop
SFO4:10 pmSan Francisco
$562
Find similar
SWISS
Oct 6
SFO7:40 pmSan Francisco
14h 10m
1 stop
LGW5:50 pmLondon Gatwick
Oct 14
LGW6:35 pmLondon Gatwick
29h 35m
1 stop
SFO4:10 pmSan Francisco
$563
Find similar

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 September 11, 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

Mon 11/3

4:35 pm-3:45 pm

1 stop15h 10m

London Gatwick

Thu 11/13

4:00 pm-4:05 pm

1 stop32h 05m

$517

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 11/3

4:35 pm-9:50 am

1 stop33h 15m

London Gatwick

Tue 11/18

4:35 pm-2:30 pm

1 stop29h 55m

$520

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 11/12

8:25 am-9:40 pm

2 stops29h 15m

London Gatwick

Thu 11/20

7:00 am-9:22 pm

2 stops22h 22m

$526

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sat 2/28

4:35 pm-9:50 am

1 stop33h 15m

London Gatwick

Sun 3/15

10:40 am-3:35 pm

1 stop35h 55m

$527

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 11/5

4:35 pm-10:00 am

2 stops33h 25m

London Gatwick

Thu 11/13

4:00 pm-4:05 pm

1 stop32h 05m

$532

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 11/5

8:25 am-2:15 pm

2 stops21h 50m

London Gatwick

Mon 11/10

4:25 pm-4:30 pm

2 stops32h 05m

$540

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 10/15

4:20 pm-9:45 am

1 stop33h 25m

London Gatwick

Tue 11/4

4:35 pm-2:30 pm

1 stop29h 55m

$542

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 10/1

7:30 pm-5:55 pm

1 stop14h 25m

London Gatwick

Tue 10/7

6:35 pm-4:10 pm

1 stop29h 35m

$561

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sun 9/28

7:30 pm-5:50 pm

1 stop14h 20m

London Gatwick

Tue 10/7

6:35 pm-4:10 pm

1 stop29h 35m

$562

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 10/6

7:40 pm-5:50 pm

1 stop14h 10m

London Gatwick

Tue 10/14

6:35 pm-4:10 pm

1 stop29h 35m

$563

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

What is the typical price of a round-trip flight between San Francisco and London Gatwick Airport?

What is the cheapest month to fly to London Gatwick Airport?

In general, April is the cheapest month to fly from San Francisco to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $644. If you are unable to visit London Gatwick Airport during the month of April, then departing from San Francisco during the month October is also very affordable. Most momondo users find prices during this month for around $680.

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from San Francisco to London Gatwick Airport is on a Wednesday when prices can be found for as low as $686. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Friday is $1,067.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from San Francisco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $675 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $948 per ticket.

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.

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

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.
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
6.6
7,361 reviews
Search British Airways flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
American AirlinesPriceFrom $638Free CancellationRating
7.2
10,000 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
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Richmond
Canterbury
Wembley

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.

An easier way to manage your London Gatwick Airport trip

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