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Cheap flights from London Gatwick Airport to San Francisco from $770

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 20/2. 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

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
16:00 - 16:05LGW-SFO
32h 05m1 stop
TAP AIR PORTUGAL Logo
16:35 - 20:35SFO-LGW
20h 00m2 stops
$862TAP AIR PORTUGAL
Find Deal
Thu, 20 Nov - Mon, 1 Dec
TAP AIR PORTUGAL Logo
21:25 - 14:30LGW-SFO
49h 05m2 stops
TAP AIR PORTUGAL Logo
19:10 - 09:50SFO-LGW
30h 40m1 stop
$875TAP AIR PORTUGAL
Find Deal
Mon, 9 Feb - Fri, 27 Feb
TAP AIR PORTUGAL Logo
09:35 - 16:05LGW-SFO
62h 30m2 stops
TAP AIR PORTUGAL Logo
17:35 - 09:50SFO-LGW
33h 15m1 stop
$896TAP AIR PORTUGAL
Find Deal
Wed, 4 Mar - Wed, 18 Mar
TAP AIR PORTUGAL Logo
09:05 - 14:35LGW-SFO
37h 30m2 stops
TAP AIR PORTUGAL Logo
16:35 - 09:50SFO-LGW
33h 15m1 stop
$907TAP AIR PORTUGAL
Find Deal
Sun, 7 Dec - Wed, 14 Jan
Multiple Airlines Logo
13:00 - 22:40LGW-SFO
17h 40m1 stop
Multiple Airlines Logo
22:20 - 06:00SFO-LGW
23h 40m1 stop
$922Multiple Airlines
Find Deal
Wed, 28 Jan - Sun, 1 Feb
SWISS Logo
18:40 - 17:30LGW-SFO
29h 50m1 stop
SWISS Logo
20:25 - 17:50SFO-LGW
14h 25m1 stop
$936SWISS
Find Deal
Wed, 11 Mar - Wed, 18 Mar
SWISS Logo
18:40 - 16:30LGW-SFO
29h 50m1 stop
SWISS Logo
20:25 - 17:50SFO-LGW
14h 25m1 stop
$997SWISS
Find Deal
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
11:45 - 10:07LGW-SFO
30h 22m2 stops
British Airways Logo
14:36 - 19:00SFO-LGW
44h 24m2 stops
$1,020British Airways
Find Deal
Wed, 10 Dec - Thu, 15 Jan
Multiple Airlines Logo
13:00 - 16:40LGW-SFO
35h 40m1 stop
Multiple Airlines Logo
07:55 - 06:00SFO-LGW
15h 05m1 stop
$1,034Multiple Airlines
Find Deal
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
11:45 - 11:49LGW-SFO
32h 04m2 stops
British Airways Logo
17:05 - 19:00SFO-LGW
41h 55m2 stops
$1,045British Airways
Find Deal
Wed, 10 Dec - Wed, 14 Jan

SWISS flights from London Gatwick Airport to San Francisco

Our best SWISS deals on London Gatwick Airport to San Francisco flight tickets
SWISS
11 Mar
LGW18:40London Gatwick
29h 50m
1 stop
SFO17:30San Francisco
18 Mar
SFO20:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
$936
Find similar
SWISS
5 Mar
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
9 Mar
SFO20:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
$997
Find similar
SWISS
17 Feb
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
19 Mar
SFO20:25San Francisco
31h 15m
2 stops
LGW10:40London Gatwick
$1,000
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
20 Nov
LGW16:00London Gatwick
32h 05m
1 stop
SFO16:05San Francisco
1 Dec
SFO16:35San Francisco
20h 00m
2 stops
LGW20:35London Gatwick
$862
Find similar
TAP AIR PORTUGAL
9 Feb
LGW21:25London Gatwick
49h 05m
2 stops
SFO14:30San Francisco
27 Feb
SFO19:10San Francisco
30h 40m
1 stop
LGW09:50London Gatwick
$875
Find similar
TAP AIR PORTUGAL
4 Mar
LGW09:35London Gatwick
62h 30m
2 stops
SFO16:05San Francisco
18 Mar
SFO17:35San Francisco
33h 15m
1 stop
LGW09:50London Gatwick
$896
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 11 November 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

Thu 20/11

16:00-16:05

1 stop32h 05m

San Francisco

Mon 1/12

16:35-20:35

2 stops20h 00m

$862

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 9/2

21:25-14:30

2 stops49h 05m

San Francisco

Fri 27/2

19:10-09:50

1 stop30h 40m

$875

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 4/3

09:35-16:05

2 stops62h 30m

San Francisco

Wed 18/3

17:35-09:50

1 stop33h 15m

$896

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 7/12

09:05-14:35

2 stops37h 30m

San Francisco

Wed 14/1

16:35-09:50

1 stop33h 15m

$907

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 28/1

13:00-22:40

1 stop17h 40m

San Francisco

Sun 1/2

22:20-06:00

1 stop23h 40m

$922

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 11/3

18:40-17:30

1 stop29h 50m

San Francisco

Wed 18/3

20:25-17:50

1 stop14h 25m

$936

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 5/3

18:40-16:30

1 stop29h 50m

San Francisco

Mon 9/3

20:25-17:50

1 stop14h 25m

$997

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 10/12

11:45-10:07

2 stops30h 22m

San Francisco

Thu 15/1

14:36-19:00

2 stops44h 24m

$1,020

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 4/3

13:00-16:40

1 stop35h 40m

San Francisco

Sun 8/3

07:55-06:00

1 stop15h 05m

$1,034

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 10/12

11:45-11:49

2 stops32h 04m

San Francisco

Wed 14/1

17:05-19:00

2 stops41h 55m

$1,045

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 September instead. Flights to San Francisco in September, while not as cheap as those in February, still average around $855.

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 $1,027. 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 Friday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to San Francisco for around $2,178.

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 $1,022. 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 $2,429 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?

As of November 2025, prices for London Gatwick Airport to San Francisco flights are approximately 5% cheaper when compared to flights at the same time last year.

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.
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  • 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
Redwood City
Sausalito
Carmel-by-the-Sea
Watsonville
Emeryville
San Mateo
Pacifica
Salinas
Burlingame
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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