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Cheap flights from London Gatwick Airport to San Francisco from $541

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 6/6. 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
0 bags

Find the cheapest flights from London Gatwick Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
9:25 am - 4:35 pm
LGW
-
SFO
15h 10m
1 stop
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
$675SWISS
Tue, Sep 22 - Tue, Sep 29
SWISS Logo
9:25 am - 4:15 pm
LGW
-
SFO
14h 50m
1 stop
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
$676SWISS
Fri, Sep 4 - Sun, Sep 20
JetBlue Logo
12:20 pm - 10:49 pm
LGW
-
SFO
18h 29m
1 stop
JetBlue Logo
12:03 pm - 9:35 am
SFO
-
LGW
13h 32m
1 stop
$679JetBlue
Mon, Jun 1 - Tue, Jun 9
SWISS Logo
9:25 am - 4:15 pm
LGW
-
SFO
14h 50m
1 stop
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
$683SWISS
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
10:30 am - 12:12 am
LGW
-
SFO
21h 42m
2 stops
Multiple Airlines Logo
7:30 am - 10:40 am
SFO
-
LGW
19h 10m
2 stops
$686Multiple Airlines
Tue, Sep 15 - Tue, Oct 6
SWISS Logo
6:35 pm - 4:15 pm
LGW
-
SFO
29h 40m
1 stop
SWISS Logo
7:35 pm - 8:25 am
SFO
-
LGW
28h 50m
1 stop
$693SWISS
Mon, Sep 7 - Mon, Sep 21
SWISS Logo
9:25 am - 4:15 pm
LGW
-
SFO
14h 50m
1 stop
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
$697SWISS
Mon, Sep 7 - Mon, Sep 21
SWISS Logo
6:35 pm - 4:15 pm
LGW
-
SFO
29h 40m
1 stop
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
$699SWISS
Mon, Sep 7 - Mon, Sep 21
SWISS Logo
9:25 am - 4:15 pm
LGW
-
SFO
14h 50m
1 stop
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
$701SWISS
Tue, Sep 22 - Sun, Oct 4
SWISS Logo
6:35 pm - 4:15 pm
LGW
-
SFO
29h 40m
1 stop
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
$702SWISS
Mon, Sep 7 - Mon, Sep 21

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American Airlines flights from London Gatwick Airport to San Francisco

Our best American Airlines deals on London Gatwick Airport to San Francisco flight tickets
American Airlines
Jun 16
LGW12:20 pmLondon Gatwick
20h 28m
2 stops
SFO12:48 amSan Francisco
Jun 23
SFO5:23 amSan Francisco
19h 17m
2 stops
LGW8:40 amLondon Gatwick
$704
American Airlines
Jul 1
LGW12:20 pmLondon Gatwick
20h 28m
2 stops
SFO12:48 amSan Francisco
Jul 22
SFO7:20 amSan Francisco
19h 20m
2 stops
LGW10:40 amLondon Gatwick
$731
American Airlines
Jul 1
LGW12:20 pmLondon Gatwick
20h 28m
2 stops
SFO12:48 amSan Francisco
Jul 22
SFO5:29 amSan Francisco
19h 06m
2 stops
LGW8:35 amLondon Gatwick
$732

Delta flights from London Gatwick Airport to San Francisco

Our best Delta deals on London Gatwick Airport to San Francisco flight tickets
Delta
May 28
LGW10:25 amLondon Gatwick
20h 23m
2 stops
SFO10:48 pmSan Francisco
Jun 4
SFO5:55 amSan Francisco
19h 30m
2 stops
LGW9:25 amLondon Gatwick
$720
Delta
Oct 1
LGW10:25 amLondon Gatwick
22h 59m
2 stops
SFO1:24 amSan Francisco
Oct 15
SFO8:55 amSan Francisco
23h 05m
2 stops
LGW4:00 pmLondon Gatwick
$733

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 May 2, 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

Cheapest round-trip

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 9/22

9:25 am-4:35 pm

1 stop15h 10m

San Francisco

Tue 9/29

7:35 pm-5:50 pm

1 stop14h 15m

$675
Quickest round-trip

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 9/4

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Sun 9/20

7:35 pm-5:50 pm

1 stop14h 15m

$676

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 6/1

12:20 pm-10:49 pm

1 stop18h 29m

San Francisco

Tue 6/9

12:03 pm-9:35 am

1 stop13h 32m

$679

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 9/8

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Tue 9/15

7:35 pm-5:50 pm

1 stop14h 15m

$683

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 9/15

10:30 am-12:12 am

2 stops21h 42m

San Francisco

Tue 10/6

7:30 am-10:40 am

2 stops19h 10m

$686

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 9/7

6:35 pm-4:15 pm

1 stop29h 40m

San Francisco

Mon 9/21

7:35 pm-8:25 am

1 stop28h 50m

$693

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 9/7

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Mon 9/21

7:35 pm-5:50 pm

1 stop14h 15m

$697

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 9/7

6:35 pm-4:15 pm

1 stop29h 40m

San Francisco

Mon 9/21

7:35 pm-5:50 pm

1 stop14h 15m

$699

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 9/22

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Sun 10/4

7:35 pm-5:50 pm

1 stop14h 15m

$701

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 9/7

6:35 pm-4:15 pm

1 stop29h 40m

San Francisco

Mon 9/21

7:35 pm-5:50 pm

1 stop14h 15m

$702

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 typical price of a round-trip flight between London Gatwick Airport and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $494.

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 $719. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $861.

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 at noon. Our users have found flights to San Francisco at noon for as low as $737. Flights in the morning are often more expensive with an average ticket price of $780.

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

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from London Gatwick Airport to San Francisco takes 14h 50m
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

Frequently asked questions about flying from London Gatwick Airport to San Francisco

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

    The distance between London Gatwick and San Francisco is about 5365.6 mi. Typically, this will take 14h 50m 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
Walnut Creek
Roseville
Hayward
Berkeley
Santa Clara
Vallejo
Fremont
Big Sur
Calistoga
Daly City
South San Francisco
Pacific Grove
Sunnyvale
Salinas
Milpitas

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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