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Cheap flights from London Gatwick Airport to San Francisco from $599

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 7/27. 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
9:25 am - 8:02 pm
LGW
-
SFO
18h 37m
2 stops
SWISS Logo
2:40 pm - 8:25 am
SFO
-
LGW
33h 45m
2 stops
$699SWISS
Wed, Jul 1 - Wed, Jul 22
SWISS Logo
9:25 am - 4:35 pm
LGW
-
SFO
15h 10m
1 stop
SWISS Logo
2:40 pm - 5:50 pm
SFO
-
LGW
19h 10m
2 stops
$701SWISS
Mon, Aug 24 - Mon, Sep 7
SWISS Logo
9:25 am - 8:02 pm
LGW
-
SFO
18h 37m
2 stops
SWISS Logo
2:40 pm - 8:25 am
SFO
-
LGW
33h 45m
2 stops
$702SWISS
Wed, Jul 1 - Wed, Jul 22
TAP AIR PORTUGAL Logo
4:25 pm - 5:05 pm
LGW
-
SFO
32h 40m
2 stops
TAP AIR PORTUGAL Logo
4:35 pm - 9:50 am
SFO
-
LGW
33h 15m
1 stop
$703TAP AIR PORTUGAL
Mon, Jun 15 - Wed, Jan 6
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
$704SWISS
Wed, Jul 8 - Fri, Jul 17
SWISS Logo
9:25 am - 4:35 pm
LGW
-
SFO
15h 10m
1 stop
SWISS Logo
7:35 pm - 8:25 am
SFO
-
LGW
28h 50m
1 stop
$705SWISS
Thu, Jul 2 - Wed, Jul 15
Air France Logo
10:25 am - 11:55 pm
LGW
-
SFO
21h 30m
2 stops
Air France Logo
3:05 pm - 4:00 pm
SFO
-
LGW
16h 55m
1 stop
$706Air France
Thu, Aug 27 - Mon, Sep 7
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
$707SWISS
Thu, Jul 2 - Tue, Jul 14
SWISS Logo
6:35 pm - 8:02 pm
LGW
-
SFO
33h 27m
2 stops
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
$708SWISS
Fri, Jun 26 - Fri, Jul 3
TAP AIR PORTUGAL Logo
9:15 pm - 5:05 pm
LGW
-
SFO
27h 50m
2 stops
TAP AIR PORTUGAL Logo
7:15 pm - 9:50 am
SFO
-
LGW
30h 35m
1 stop
$709TAP AIR PORTUGAL
Mon, Jun 15 - Fri, Jan 1

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Iberia flights from London Gatwick Airport to San Francisco

Our best Iberia deals on London Gatwick Airport to San Francisco flight tickets
Iberia
Aug 27
LGW11:30 amLondon Gatwick
20h 41m
2 stops
SFO12:11 amSan Francisco
Sep 7
SFO8:29 amSan Francisco
18h 21m
2 stops
LGW10:50 amLondon Gatwick
$745
Iberia
Aug 29
LGW8:40 pmLondon Gatwick
35h 05m
2 stops
SFO11:45 pmSan Francisco
Sep 14
SFO9:02 amSan Francisco
17h 48m
2 stops
LGW10:50 amLondon Gatwick
$748

SWISS flights from London Gatwick Airport to San Francisco

Our best SWISS deals on London Gatwick Airport to San Francisco flight tickets
SWISS
Jul 1
LGW9:25 amLondon Gatwick
18h 37m
2 stops
SFO8:02 pmSan Francisco
Jul 22
SFO2:40 pmSan Francisco
33h 45m
2 stops
LGW8:25 amLondon Gatwick
$699
SWISS
Aug 24
LGW9:25 amLondon Gatwick
15h 10m
1 stop
SFO4:35 pmSan Francisco
Sep 7
SFO2:40 pmSan Francisco
19h 10m
2 stops
LGW5:50 pmLondon Gatwick
$701
SWISS
Jun 29
LGW6:35 pmLondon Gatwick
29h 40m
1 stop
SFO4:15 pmSan Francisco
Jul 13
SFO2:20 pmSan Francisco
34h 05m
1 stop
LGW8:25 amLondon Gatwick
$703

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 June 12, 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

Wed 7/1

9:25 am-8:02 pm

2 stops18h 37m

San Francisco

Wed 7/22

2:40 pm-8:25 am

2 stops33h 45m

$699

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 8/24

9:25 am-4:35 pm

1 stop15h 10m

San Francisco

Mon 9/7

2:40 pm-5:50 pm

2 stops19h 10m

$701

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 7/1

9:25 am-8:02 pm

2 stops18h 37m

San Francisco

Wed 7/22

2:40 pm-8:25 am

2 stops33h 45m

$702

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 6/15

4:25 pm-5:05 pm

2 stops32h 40m

San Francisco

Wed 1/6

4:35 pm-9:50 am

1 stop33h 15m

$703
Quickest round-trip

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 7/8

9:25 am-4:35 pm

1 stop15h 10m

San Francisco

Fri 7/17

7:35 pm-5:50 pm

1 stop14h 15m

$704

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 7/2

9:25 am-4:35 pm

1 stop15h 10m

San Francisco

Wed 7/15

7:35 pm-8:25 am

1 stop28h 50m

$705

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 8/27

10:25 am-11:55 pm

2 stops21h 30m

San Francisco

Mon 9/7

3:05 pm-4:00 pm

1 stop16h 55m

$706

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 7/2

6:35 pm-4:15 pm

1 stop29h 40m

San Francisco

Tue 7/14

7:35 pm-8:25 am

1 stop28h 50m

$707

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 6/26

6:35 pm-8:02 pm

2 stops33h 27m

San Francisco

Fri 7/3

7:35 pm-5:50 pm

1 stop14h 15m

$708

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 6/15

9:15 pm-5:05 pm

2 stops27h 50m

San Francisco

Fri 1/1

7:15 pm-9:50 am

1 stop30h 35m

$709

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 $751. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $915.

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 afternoon. Our users have found flights to San Francisco in the afternoon for as low as $763. Flights in the morning are often more expensive with an average ticket price of $803.

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
Hayward
Bodega Bay
Roseville
Walnut Creek
Santa Clara
Berkeley
Fremont
Vallejo
South San Francisco
Sunnyvale
Big Sur
Pacific Grove
Salinas
Daly City
Calistoga
Burlingame

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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