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Cheap flights from London Gatwick Airport to San Francisco from $696

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to San Francisco departing on 15/10. 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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Find the cheapest flights from London Gatwick Airport to San Francisco

Cheap return flights

SWISS Logo
18:40 - 16:30LGW-SFO
29h 50m1 stop
SWISS Logo
19:25 - 17:50SFO-LGW
14h 25m1 stop
$794SWISS
Find Deal
Sun, 11 Jan - Sat, 17 Jan
TAP AIR PORTUGAL Logo
16:40 - 14:45LGW-SFO
30h 05m1 stop
TAP AIR PORTUGAL Logo
16:35 - 09:50SFO-LGW
33h 15m1 stop
$928TAP AIR PORTUGAL
Find Deal
Fri, 12 Dec - Sat, 27 Dec
SWISS Logo
18:40 - 16:30LGW-SFO
29h 50m1 stop
SWISS Logo
19:25 - 17:50SFO-LGW
14h 25m1 stop
$940SWISS
Find Deal
Mon, 3 Nov - Mon, 17 Nov
SWISS Logo
18:40 - 16:30LGW-SFO
29h 50m1 stop
SWISS Logo
19:25 - 17:50SFO-LGW
14h 25m1 stop
$941SWISS
Find Deal
Tue, 17 Feb - Tue, 24 Feb
TAP AIR PORTUGAL Logo
16:40 - 14:45LGW-SFO
30h 05m1 stop
TAP AIR PORTUGAL Logo
16:35 - 20:40SFO-LGW
20h 05m2 stops
$947TAP AIR PORTUGAL
Find Deal
Fri, 12 Dec - Sat, 27 Dec
SWISS Logo
18:35 - 16:10LGW-SFO
29h 35m1 stop
SWISS Logo
19:30 - 17:50SFO-LGW
14h 20m1 stop
$956SWISS
Find Deal
Mon, 6 Oct - Tue, 14 Oct
SWISS Logo
18:35 - 16:10LGW-SFO
29h 35m1 stop
SWISS Logo
19:30 - 17:50SFO-LGW
14h 20m1 stop
$958SWISS
Find Deal
Mon, 6 Oct - Tue, 14 Oct
TAP AIR PORTUGAL Logo
09:35 - 16:05LGW-SFO
62h 30m2 stops
TAP AIR PORTUGAL Logo
16:35 - 15:45SFO-LGW
15h 10m1 stop
$961TAP AIR PORTUGAL
Find Deal
Wed, 28 Jan - Mon, 9 Feb
Air Transat Logo
11:40 - 12:40LGW-SFO
33h 00m1 stop
Air Transat Logo
13:40 - 09:45SFO-LGW
36h 05m1 stop
$1,031Air Transat
Find Deal
Tue, 2 Dec - Wed, 10 Dec
Air Transat Logo
11:40 - 12:40LGW-SFO
33h 00m1 stop
Air Transat Logo
13:40 - 09:45SFO-LGW
36h 05m1 stop
$1,034Air Transat
Find Deal
Sun, 8 Feb - Thu, 19 Feb

SWISS flights from London Gatwick Airport to San Francisco

Our best SWISS deals on London Gatwick Airport to San Francisco flight tickets
SWISS
11 Jan
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
17 Jan
SFO19:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
$794
Find similar
SWISS
3 Nov
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
17 Nov
SFO19:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
$940
Find similar
SWISS
17 Feb
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
24 Feb
SFO19:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
$941
Find similar

TAP AIR PORTUGAL flights from London Gatwick Airport to San Francisco

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to San Francisco flight tickets
TAP AIR PORTUGAL
12 Dec
LGW16:40London Gatwick
30h 05m
1 stop
SFO14:45San Francisco
27 Dec
SFO16:35San Francisco
33h 15m
1 stop
LGW09:50London Gatwick
$928
Find similar
TAP AIR PORTUGAL
12 Dec
LGW16:40London Gatwick
30h 05m
1 stop
SFO14:45San Francisco
27 Dec
SFO16:35San Francisco
20h 05m
2 stops
LGW20:40London Gatwick
$947
Find similar
TAP AIR PORTUGAL
28 Jan
LGW09:35London Gatwick
62h 30m
2 stops
SFO16:05San Francisco
9 Feb
SFO16:35San Francisco
15h 10m
1 stop
LGW15:45London Gatwick
$961
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to San Francisco 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 78,305 searches. Data last updated 22 September 2025.
Use the filters below to find and compare flights from London Gatwick Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 11/1

18:40-16:30

1 stop29h 50m

San Francisco

Sat 17/1

19:25-17:50

1 stop14h 25m

$794

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 12/12

16:40-14:45

1 stop30h 05m

San Francisco

Sat 27/12

16:35-09:50

1 stop33h 15m

$928

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 3/11

18:40-16:30

1 stop29h 50m

San Francisco

Mon 17/11

19:25-17:50

1 stop14h 25m

$940

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 17/2

18:40-16:30

1 stop29h 50m

San Francisco

Tue 24/2

19:25-17:50

1 stop14h 25m

$941

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 12/12

16:40-14:45

1 stop30h 05m

San Francisco

Sat 27/12

16:35-20:40

2 stops20h 05m

$947

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 6/10

18:35-16:10

1 stop29h 35m

San Francisco

Tue 14/10

19:30-17:50

1 stop14h 20m

$956

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 6/10

18:35-16:10

1 stop29h 35m

San Francisco

Tue 14/10

19:30-17:50

1 stop14h 20m

$958

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 28/1

09:35-16:05

2 stops62h 30m

San Francisco

Mon 9/2

16:35-15:45

1 stop15h 10m

$961

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 2/12

11:40-12:40

1 stop33h 00m

San Francisco

Wed 10/12

13:40-09:45

1 stop36h 05m

$1,031

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 8/2

11:40-12:40

1 stop33h 00m

San Francisco

Thu 19/2

13:40-09:45

1 stop36h 05m

$1,034

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 San Francisco from

How to get the cheapest flight ticket from London Gatwick Airport to San Francisco

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 San Francisco?

If you aren’t able to travel during the month of February, then book flights to San Francisco from London Gatwick Airport during November instead. Flights to San Francisco in November, while not as cheap as those in February, still average around $870.

What is the cheapest day to depart on your flight to San Francisco?

According to our data, Wednesday is the cheapest day to fly to San Francisco from London Gatwick Airport. The lowest ticket price found for a Wednesday departure recently was $1,016. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to San Francisco for around $2,075.

What is the cheapest time of day to depart on your flight to San Francisco?

According to our data, the cheapest time of day to fly to San Francisco is in the morning. momondo users have found flights departing from London Gatwick Airport to San Francisco in the morning for as low as $1,012. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $2,075 on average. Flights to San Francisco from London Gatwick Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

When to book flights from London Gatwick Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Gatwick Airport to San Francisco (LGW to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to San Francisco

Direct flights

None
There are no direct flights from London Gatwick Airport to San Francisco. There are no popular flight routes from London Gatwick Airport to San Francisco.
Search flight deals

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

    The straight-line distance from London Gatwick to San Francisco is 8634.7 km. Typically, this will take 17h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from London Gatwick Airport to San Francisco Airport?

    Prices for flights from London Gatwick Airport to San Francisco Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Walnut Creek
Carmel-by-the-Sea
Redwood City
Sausalito
Watsonville
Emeryville
San Mateo
Pacifica
Mountain View
Burlingame
Salinas
Pacific Grove
Pebble Beach
San Lorenzo

Why use momondo?

Why should I use momondo to find a flight deal from London to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to San Francisco for you.

Can I find flights from London to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to San Francisco?

Once all potential London to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from London and alert you when they change.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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