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Cheap flights from London Gatwick Airport to San Francisco from $717

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 1/6. 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

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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.
SWISS Logo
18:40 - 16:30
LGW
-
SFO
29h 50m
1 stop
SWISS Logo
20:25 - 17:50
SFO
-
LGW
14h 25m
1 stop
$792SWISS
Tue, 24 Feb - Wed, 18 Mar
British Airways Logo
19:40 - 21:13
LGW
-
SFO
32h 33m
2 stops
British Airways Logo
06:15 - 19:00
SFO
-
LGW
29h 45m
2 stops
$829British Airways
Thu, 12 Mar - Wed, 18 Mar
SWISS Logo
18:40 - 16:30
LGW
-
SFO
29h 50m
1 stop
SWISS Logo
20:25 - 17:50
SFO
-
LGW
14h 25m
1 stop
$851SWISS
Fri, 6 Mar - Tue, 17 Mar
British Airways Logo
10:20 - 16:35
LGW
-
SFO
37h 15m
2 stops
British Airways Logo
06:15 - 19:00
SFO
-
LGW
29h 45m
2 stops
$852British Airways
Sun, 8 Mar - Wed, 18 Mar
SWISS Logo
18:40 - 16:30
LGW
-
SFO
29h 50m
1 stop
SWISS Logo
20:25 - 10:40
SFO
-
LGW
31h 15m
2 stops
$853SWISS
Tue, 24 Feb - Thu, 19 Mar
British Airways Logo
10:20 - 16:35
LGW
-
SFO
37h 15m
2 stops
British Airways Logo
06:15 - 19:00
SFO
-
LGW
29h 45m
2 stops
$879British Airways
Mon, 9 Mar - Wed, 18 Mar
British Airways Logo
10:20 - 16:35
LGW
-
SFO
38h 15m
2 stops
British Airways Logo
21:55 - 19:00
SFO
-
LGW
38h 05m
2 stops
$888British Airways
Sat, 7 Mar - Tue, 17 Mar
SWISS Logo
09:25 - 19:45
LGW
-
SFO
18h 20m
2 stops
SWISS Logo
14:40 - 17:50
SFO
-
LGW
19h 10m
2 stops
$893SWISS
Tue, 21 Apr - Wed, 27 May
SWISS Logo
18:40 - 17:30
LGW
-
SFO
29h 50m
1 stop
SWISS Logo
20:25 - 17:50
SFO
-
LGW
14h 25m
1 stop
$898SWISS
Wed, 11 Mar - Wed, 18 Mar
SWISS Logo
18:40 - 17:30
LGW
-
SFO
29h 50m
1 stop
SWISS Logo
20:25 - 17:50
SFO
-
LGW
14h 25m
1 stop
$900SWISS
Wed, 11 Mar - Mon, 23 Mar

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
10 Feb
LGW16:35London Gatwick
29h 55m
1 stop
SFO14:30San Francisco
27 Feb
SFO19:10San Francisco
30h 40m
1 stop
LGW09:50London Gatwick
$946
TAP AIR PORTUGAL
10 Feb
LGW16:35London Gatwick
29h 55m
1 stop
SFO14:30San Francisco
25 Feb
SFO16:35San Francisco
33h 15m
1 stop
LGW09:50London Gatwick
$956
TAP AIR PORTUGAL
10 Feb
LGW16:35London Gatwick
29h 55m
1 stop
SFO14:30San Francisco
4 Mar
SFO16:35San Francisco
33h 15m
1 stop
LGW09:50London Gatwick
$959

SWISS flights from London Gatwick Airport to San Francisco

Our best SWISS deals on London Gatwick Airport to San Francisco flight tickets
SWISS
17 Feb
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
28 Feb
SFO19:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
$735
SWISS
24 Feb
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
18 Mar
SFO20:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
$792
SWISS
6 Mar
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
17 Mar
SFO20:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
$851

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 9 February 2026.
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

Tue 24/2

18:40-16:30

1 stop29h 50m

San Francisco

Wed 18/3

20:25-17:50

1 stop14h 25m

$792

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 12/3

19:40-21:13

2 stops32h 33m

San Francisco

Wed 18/3

06:15-19:00

2 stops29h 45m

$829

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 6/3

18:40-16:30

1 stop29h 50m

San Francisco

Tue 17/3

20:25-17:50

1 stop14h 25m

$851

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 8/3

10:20-16:35

2 stops37h 15m

San Francisco

Wed 18/3

06:15-19:00

2 stops29h 45m

$852

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 24/2

18:40-16:30

1 stop29h 50m

San Francisco

Thu 19/3

20:25-10:40

2 stops31h 15m

$853

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 9/3

10:20-16:35

2 stops37h 15m

San Francisco

Wed 18/3

06:15-19:00

2 stops29h 45m

$879

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sat 7/3

10:20-16:35

2 stops38h 15m

San Francisco

Tue 17/3

21:55-19:00

2 stops38h 05m

$888

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 21/4

09:25-19:45

2 stops18h 20m

San Francisco

Wed 27/5

14:40-17:50

2 stops19h 10m

$893

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

$898

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 11/3

18:40-17:30

1 stop29h 50m

San Francisco

Mon 23/3

20:25-17:50

1 stop14h 25m

$900

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 $741.

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 $955. 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 Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to San Francisco for around $2,159.

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 $892. 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 $2,026 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.

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

Fastest flight time

21h 14m

Direct flights

None
The fastest flight from London Gatwick Airport to San Francisco takes 21h 14m
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 21h 14m 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
Watsonville
Sausalito
Carmel-by-the-Sea
Emeryville
Pacifica
San Mateo
Salinas
Pebble Beach
Burlingame
Pacific Grove
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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