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Cheap flights from London Gatwick Airport to San Francisco from $489

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 9/11. 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
1 adult, Economy, 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
6:35 pm - 4:15 pmLGW  London Gatwick-SFO San Francisco
29h 40m1 stop Zurich
SWISS Logo
2:25 pm - 8:25 amSFO  San Francisco-LGW London Gatwick
34h 00m1 stop Zurich
$598SWISS
Thu, Sep 3 - Wed, Sep 16
SWISS Logo
6:35 pm - 4:35 pmLGW  London Gatwick-SFO San Francisco
30h 00m1 stop Zurich
SWISS Logo
2:25 pm - 8:25 amSFO  San Francisco-LGW London Gatwick
34h 00m1 stop Zurich
$599SWISS
Wed, Sep 2 - Wed, Sep 16
SWISS Logo
6:35 pm - 4:35 pmLGW  London Gatwick-SFO San Francisco
30h 00m1 stop Zurich
SWISS Logo
2:25 pm - 8:25 amSFO  San Francisco-LGW London Gatwick
34h 00m1 stop Zurich
$600SWISS
Wed, Sep 2 - Wed, Sep 16
SWISS Logo
6:35 pm - 4:15 pmLGW  London Gatwick-SFO San Francisco
29h 40m1 stop Zurich
SWISS Logo
2:25 pm - 8:25 amSFO  San Francisco-LGW London Gatwick
34h 00m1 stop Zurich
$601SWISS
Thu, Sep 3 - Wed, Sep 16
SWISS Logo
6:35 pm - 4:35 pmLGW  London Gatwick-SFO San Francisco
30h 00m1 stop Zurich
SWISS Logo
7:35 pm - 8:25 amSFO  San Francisco-LGW London Gatwick
28h 50m1 stop Zurich
$603SWISS
Sat, Sep 5 - Sun, Sep 20
SWISS Logo
9:25 am - 4:15 pmLGW  London Gatwick-SFO San Francisco
14h 50m1 stop Zurich
SWISS Logo
7:35 pm - 8:25 amSFO  San Francisco-LGW London Gatwick
28h 50m1 stop Zurich
$604SWISS
Thu, Sep 17 - Wed, Sep 30
SWISS Logo
6:35 pm - 4:35 pmLGW  London Gatwick-SFO San Francisco
30h 00m1 stop Zurich
SWISS Logo
7:25 pm - 5:50 pmSFO  San Francisco-LGW London Gatwick
14h 25m1 stop Zurich
$605SWISS
Wed, Sep 9 - Sun, Nov 1
SWISS Logo
9:25 am - 4:15 pmLGW  London Gatwick-SFO San Francisco
14h 50m1 stop Zurich
SWISS Logo
7:35 pm - 5:50 pmSFO  San Francisco-LGW London Gatwick
14h 15m1 stop Zurich
$606SWISS
Thu, Sep 10 - Sun, Sep 20
TAP AIR PORTUGAL Logo
4:40 pm - 2:45 pmLGW  London Gatwick-SFO San Francisco
30h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
4:35 pm - 9:50 amSFO  San Francisco-LGW London Gatwick
33h 15m1 stop Lisbon Humberto Delgado
$607TAP AIR PORTUGAL
Fri, Nov 20 - Sat, Nov 28
TAP AIR PORTUGAL Logo
4:25 pm - 2:30 pmLGW  London Gatwick-SFO San Francisco
30h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
4:30 pm - 9:45 amSFO  San Francisco-LGW London Gatwick
33h 15m1 stop Lisbon Humberto Delgado
$608TAP AIR PORTUGAL
Wed, Sep 23 - Thu, Oct 8

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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
Nov 20
LGW4:40 pmLondon Gatwick
30h 05m
1 stop
SFO2:45 pmSan Francisco
Nov 28
SFO4:35 pmSan Francisco
33h 15m
1 stop
LGW9:50 amLondon Gatwick
$607
TAP AIR PORTUGAL
Sep 23
LGW4:25 pmLondon Gatwick
30h 05m
1 stop
SFO2:30 pmSan Francisco
Oct 8
SFO4:30 pmSan Francisco
33h 15m
1 stop
LGW9:45 amLondon Gatwick
$608
TAP AIR PORTUGAL
Sep 23
LGW4:25 pmLondon Gatwick
30h 05m
1 stop
SFO2:30 pmSan Francisco
Oct 8
SFO4:30 pmSan Francisco
33h 15m
1 stop
LGW9:45 amLondon Gatwick
$609

SWISS flights from London Gatwick Airport to San Francisco

Our best SWISS deals on London Gatwick Airport to San Francisco flight tickets
SWISS
Sep 3
LGW6:35 pmLondon Gatwick
29h 40m
1 stop
SFO4:15 pmSan Francisco
Sep 16
SFO2:25 pmSan Francisco
34h 00m
1 stop
LGW8:25 amLondon Gatwick
$598
SWISS
Sep 2
LGW6:35 pmLondon Gatwick
30h 00m
1 stop
SFO4:35 pmSan Francisco
Sep 16
SFO2:25 pmSan Francisco
34h 00m
1 stop
LGW8:25 amLondon Gatwick
$599
SWISS
Sep 2
LGW6:35 pmLondon Gatwick
30h 00m
1 stop
SFO4:35 pmSan Francisco
Sep 16
SFO2:25 pmSan Francisco
34h 00m
1 stop
LGW8:25 amLondon Gatwick
$600

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 August 6, 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 London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Thu 9/3

6:35 pm-4:15 pm

1 stop29h 40m

San Francisco

Wed 9/16

2:25 pm-8:25 am

1 stop34h 00m

$598

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Wed 9/2

6:35 pm-4:35 pm

1 stop30h 00m

San Francisco

Wed 9/16

2:25 pm-8:25 am

1 stop34h 00m

$599

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Wed 9/2

6:35 pm-4:35 pm

1 stop30h 00m

San Francisco

Wed 9/16

2:25 pm-8:25 am

1 stop34h 00m

$600

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Thu 9/3

6:35 pm-4:15 pm

1 stop29h 40m

San Francisco

Wed 9/16

2:25 pm-8:25 am

1 stop34h 00m

$601

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Sat 9/5

6:35 pm-4:35 pm

1 stop30h 00m

San Francisco

Sun 9/20

7:35 pm-8:25 am

1 stop28h 50m

$603

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Thu 9/17

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Wed 9/30

7:35 pm-8:25 am

1 stop28h 50m

$604

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Wed 9/9

6:35 pm-4:35 pm

1 stop30h 00m

San Francisco

Sun 11/1

7:25 pm-5:50 pm

1 stop14h 25m

$605
Quickest round-trip

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Thu 9/10

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Sun 9/20

7:35 pm-5:50 pm

1 stop14h 15m

$606

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Fri 11/20

4:40 pm-2:45 pm

1 stop30h 05m

San Francisco

Sat 11/28

4:35 pm-9:50 am

1 stop33h 15m

$607

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Wed 9/23

4:25 pm-2:30 pm

1 stop30h 05m

San Francisco

Thu 10/8

4:30 pm-9:45 am

1 stop33h 15m

$608

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?

Prices are currently low for flights on this route.

Typical prices usually range from $646 to $870.
The lowest price recently found on this route was $598.

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 January is also cheap. Prices for this month can be found on momondo for an average of $0.

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 Friday when prices can be found for as low as $746. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $898.

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 $762. Flights in the morning are often more expensive with an average ticket price of $800.

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
South San Francisco
Fremont
Berkeley
Hayward
Walnut Creek
Bodega Bay
Roseville
Sonoma
Santa Clara
Vallejo
Salinas
Sunnyvale
Milpitas
Daly City
Burlingame
Turlock
Marina

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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