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Cheap flights from London Gatwick Airport to San Francisco from $500

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 5/5. 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 round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pmLGW-SFO
30h 10m1 stop
TAP AIR PORTUGAL Logo
7:55 pm - 9:45 amSFO-LGW
29h 50m1 stop
$517TAP AIR PORTUGAL
Find Deal
Mon, May 4 - Thu, May 14
TAP AIR PORTUGAL Logo
4:35 pm - 2:30 pmLGW-SFO
29h 55m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 3:45 pmSFO-LGW
15h 10m1 stop
$518TAP AIR PORTUGAL
Find Deal
Tue, Feb 10 - Mon, Feb 23
TAP AIR PORTUGAL Logo
4:00 pm - 4:05 pmLGW-SFO
32h 05m1 stop
TAP AIR PORTUGAL Logo
5:35 pm - 3:45 pmSFO-LGW
15h 10m1 stop
$521TAP AIR PORTUGAL
Find Deal
Thu, Feb 26 - Mon, Mar 16
Multiple Airlines Logo
1:00 pm - 10:40 pmLGW-SFO
17h 40m1 stop
Multiple Airlines Logo
10:20 pm - 6:00 amSFO-LGW
23h 40m1 stop
$602Multiple Airlines
Find Deal
Wed, Jan 28 - Sun, Feb 1
Multiple Airlines Logo
4:10 pm - 2:35 pmLGW-SFO
30h 25m2 stops
Multiple Airlines Logo
4:40 pm - 9:00 pmSFO-LGW
20h 20m2 stops
$604Multiple Airlines
Find Deal
Fri, Feb 6 - Mon, Feb 9
SWISS Logo
6:40 pm - 5:30 pmLGW-SFO
29h 50m1 stop
SWISS Logo
8:25 pm - 5:50 pmSFO-LGW
14h 25m1 stop
$611SWISS
Find Deal
Wed, Mar 11 - Wed, Mar 18
Finnair Logo
11:20 am - 4:01 pmLGW-SFO
36h 41m2 stops
Finnair Logo
5:05 pm - 7:30 amSFO-LGW
30h 25m2 stops
$612Finnair
Find Deal
Fri, Jan 16 - Mon, Jan 19
SWISS Logo
6:40 pm - 4:30 pmLGW-SFO
29h 50m1 stop
SWISS Logo
7:25 pm - 5:50 pmSFO-LGW
14h 25m1 stop
$618SWISS
Find Deal
Tue, Jan 27 - Thu, Feb 5
American Airlines Logo
12:30 pm - 11:43 pmLGW-SFO
43h 13m2 stops
American Airlines Logo
8:13 am - 9:00 amSFO-LGW
17h 47m2 stops
$622American Airlines
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Thu, Mar 5 - Mon, Mar 9
Finnair Logo
12:30 pm - 4:01 pmLGW-SFO
35h 31m2 stops
Finnair Logo
5:05 pm - 7:30 amSFO-LGW
30h 25m2 stops
$623Finnair
Find Deal
Wed, Jan 7 - Wed, Jan 14

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
May 4
LGW4:25 pmLondon Gatwick
30h 10m
1 stop
SFO2:35 pmSan Francisco
May 14
SFO7:55 pmSan Francisco
29h 50m
1 stop
LGW9:45 amLondon Gatwick
$517
Find similar
TAP AIR PORTUGAL
Feb 10
LGW4:35 pmLondon Gatwick
29h 55m
1 stop
SFO2:30 pmSan Francisco
Feb 23
SFO4:35 pmSan Francisco
15h 10m
1 stop
LGW3:45 pmLondon Gatwick
$518
Find similar
TAP AIR PORTUGAL
Feb 26
LGW4:00 pmLondon Gatwick
32h 05m
1 stop
SFO4:05 pmSan Francisco
Mar 16
SFO5:35 pmSan Francisco
15h 10m
1 stop
LGW3:45 pmLondon Gatwick
$521
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
Mar 11
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO5:30 pmSan Francisco
Mar 18
SFO8:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
$611
Find similar
SWISS
Jan 27
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO4:30 pmSan Francisco
Feb 5
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
$618
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated November 10, 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

Mon 5/4

4:25 pm-2:35 pm

1 stop30h 10m

San Francisco

Thu 5/14

7:55 pm-9:45 am

1 stop29h 50m

$517

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 2/10

4:35 pm-2:30 pm

1 stop29h 55m

San Francisco

Mon 2/23

4:35 pm-3:45 pm

1 stop15h 10m

$518

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 2/26

4:00 pm-4:05 pm

1 stop32h 05m

San Francisco

Mon 3/16

5:35 pm-3:45 pm

1 stop15h 10m

$521

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 1/28

1:00 pm-10:40 pm

1 stop17h 40m

San Francisco

Sun 2/1

10:20 pm-6:00 am

1 stop23h 40m

$602

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 2/6

4:10 pm-2:35 pm

2 stops30h 25m

San Francisco

Mon 2/9

4:40 pm-9:00 pm

2 stops20h 20m

$604

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 3/11

6:40 pm-5:30 pm

1 stop29h 50m

San Francisco

Wed 3/18

8:25 pm-5:50 pm

1 stop14h 25m

$611

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 1/16

11:20 am-4:01 pm

2 stops36h 41m

San Francisco

Mon 1/19

5:05 pm-7:30 am

2 stops30h 25m

$612

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 1/27

6:40 pm-4:30 pm

1 stop29h 50m

San Francisco

Thu 2/5

7:25 pm-5:50 pm

1 stop14h 25m

$618

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 3/5

12:30 pm-11:43 pm

2 stops43h 13m

San Francisco

Mon 3/9

8:13 am-9:00 am

2 stops17h 47m

$622

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 1/7

12:30 pm-4:01 pm

2 stops35h 31m

San Francisco

Wed 1/14

5:05 pm-7:30 am

2 stops30h 25m

$623

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 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 to San Francisco during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $558.

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

The cheapest day to depart from London Gatwick Airport to San Francisco is on a Thursday when prices can be found for as low as $681. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $748.

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

Our data shows that the cheapest London Gatwick Airport to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $682. Flights in the afternoon are often more expensive with an average ticket price of $727.

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 round-trip 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 distance between London Gatwick and San Francisco is about 5365.4 mi. Typically, this will take 17h 40m 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 refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 license 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.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Livermore
Turlock
South San Francisco

Why use momondo?

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

It is quick and easy to find London to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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

Flights from London to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between London and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of London to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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