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Cheap flights from London Gatwick Airport to San Francisco from $735

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 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
TAP AIR PORTUGAL Logo
09:35 - 17:05
LGW
-
SFO
62h 30m2 stops
TAP AIR PORTUGAL Logo
16:35 - 09:45
SFO
-
LGW
33h 10m1 stop
$918TAP AIR PORTUGAL
Wed, 25 Mar - Tue, 21 Apr
TAP AIR PORTUGAL Logo
21:25 - 14:30
LGW
-
SFO
49h 05m2 stops
TAP AIR PORTUGAL Logo
16:35 - 20:35
SFO
-
LGW
20h 00m2 stops
$929TAP AIR PORTUGAL
Mon, 26 Jan - Mon, 2 Feb
SWISS Logo
18:40 - 16:30
LGW
-
SFO
29h 50m1 stop
SWISS Logo
19:25 - 17:50
SFO
-
LGW
14h 25m1 stop
$930SWISS
Wed, 28 Jan - Mon, 2 Feb
TAP AIR PORTUGAL Logo
21:25 - 14:30
LGW
-
SFO
49h 05m2 stops
TAP AIR PORTUGAL Logo
16:35 - 20:35
SFO
-
LGW
20h 00m2 stops
$932TAP AIR PORTUGAL
Mon, 9 Feb - Mon, 16 Feb
TAP AIR PORTUGAL Logo
21:25 - 14:30
LGW
-
SFO
49h 05m2 stops
TAP AIR PORTUGAL Logo
16:35 - 20:35
SFO
-
LGW
20h 00m2 stops
$935TAP AIR PORTUGAL
Mon, 26 Jan - Mon, 2 Feb
LEVEL Logo
07:20 - 17:55
LGW
-
SFO
18h 35m1 stop
LEVEL Logo
19:40 - 12:15
SFO
-
LGW
32h 35m1 stop
$936LEVEL
Tue, 28 Apr - Tue, 12 May
TAP AIR PORTUGAL Logo
10:10 - 16:05
LGW
-
SFO
37h 55m2 stops
TAP AIR PORTUGAL Logo
16:35 - 20:35
SFO
-
LGW
20h 00m2 stops
$941TAP AIR PORTUGAL
Thu, 29 Jan - Mon, 2 Feb
TAP AIR PORTUGAL Logo
10:10 - 14:35
LGW
-
SFO
60h 25m2 stops
TAP AIR PORTUGAL Logo
16:35 - 20:40
SFO
-
LGW
20h 05m2 stops
$944TAP AIR PORTUGAL
Sat, 31 Jan - Sat, 7 Feb
SWISS Logo
18:40 - 17:30
LGW
-
SFO
29h 50m1 stop
SWISS Logo
20:25 - 10:40
SFO
-
LGW
31h 15m2 stops
$954SWISS
Thu, 19 Mar - Thu, 26 Mar
TAP AIR PORTUGAL Logo
21:15 - 17:35
LGW
-
SFO
28h 20m2 stops
TAP AIR PORTUGAL Logo
20:20 - 09:45
SFO
-
LGW
29h 25m1 stop
$958TAP AIR PORTUGAL
Fri, 3 Apr - Fri, 10 Apr

Air Transat flights from London Gatwick Airport to San Francisco

Our best Air Transat deals on London Gatwick Airport to San Francisco flight tickets
Air Transat
12 Feb
LGW11:40London Gatwick
33h 05m
1 stop
SFO12:45San Francisco
16 Feb
SFO13:45San Francisco
36h 00m
1 stop
LGW09:45London Gatwick
$1,015
Find similar
Air Transat
25 Jan
LGW11:40London Gatwick
33h 03m
1 stop
SFO12:43San Francisco
1 Feb
SFO13:45San Francisco
36h 00m
1 stop
LGW09:45London Gatwick
$1,036
Find similar
Air Transat
23 May
LGW09:40London Gatwick
34h 43m
1 stop
SFO12:23San Francisco
29 May
SFO13:25San Francisco
34h 30m
1 stop
LGW07:55London Gatwick
$1,040
Find similar

SWISS flights from London Gatwick Airport to San Francisco

Our best SWISS deals on London Gatwick Airport to San Francisco flight tickets
SWISS
28 Jan
LGW18:40London Gatwick
29h 50m
1 stop
SFO16:30San Francisco
2 Feb
SFO19:25San Francisco
14h 25m
1 stop
LGW17:50London Gatwick
$930
Find similar
SWISS
19 Mar
LGW18:40London Gatwick
29h 50m
1 stop
SFO17:30San Francisco
26 Mar
SFO20:25San Francisco
31h 15m
2 stops
LGW10:40London Gatwick
$954
Find similar
SWISS
27 May
LGW09:25London Gatwick
14h 50m
1 stop
SFO16:15San Francisco
3 June
SFO19:35San Francisco
14h 15m
1 stop
LGW17:50London 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 29 December 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

Wed 25/3

09:35-17:05

2 stops62h 30m

San Francisco

Tue 21/4

16:35-09:45

1 stop33h 10m

$918

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 26/1

21:25-14:30

2 stops49h 05m

San Francisco

Mon 2/2

16:35-20:35

2 stops20h 00m

$929

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 28/1

18:40-16:30

1 stop29h 50m

San Francisco

Mon 2/2

19:25-17:50

1 stop14h 25m

$930

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 9/2

21:25-14:30

2 stops49h 05m

San Francisco

Mon 16/2

16:35-20:35

2 stops20h 00m

$932

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 26/1

21:25-14:30

2 stops49h 05m

San Francisco

Mon 2/2

16:35-20:35

2 stops20h 00m

$935

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 28/4

07:20-17:55

1 stop18h 35m

San Francisco

Tue 12/5

19:40-12:15

1 stop32h 35m

$936

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 29/1

10:10-16:05

2 stops37h 55m

San Francisco

Mon 2/2

16:35-20:35

2 stops20h 00m

$941

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sat 31/1

10:10-14:35

2 stops60h 25m

San Francisco

Sat 7/2

16:35-20:40

2 stops20h 05m

$944

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 19/3

18:40-17:30

1 stop29h 50m

San Francisco

Thu 26/3

20:25-10:40

2 stops31h 15m

$954

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 3/4

21:15-17:35

2 stops28h 20m

San Francisco

Fri 10/4

20:20-09:45

1 stop29h 25m

$958

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 $790.

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 $998. 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 $2,122.

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 $1,020. 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 $2,023 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 December 2025, prices for London Gatwick Airport to San Francisco flights are approximately 227% more expensive 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

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
Carmel-by-the-Sea
Watsonville
Sausalito
Emeryville
San Mateo
Pacifica
Salinas
Burlingame
Pebble Beach
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.

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