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Cheap flights from London Gatwick Airport to San Francisco from $492

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 5/4. 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

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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.
SWISS Logo
9:20 am - 4:35 pm
LGW
-
SFO
15h 15m
1 stop
SWISS Logo
7:35 pm - 5:55 pm
SFO
-
LGW
14h 20m
1 stop
$600SWISS
Wed, Sep 9 - Wed, Sep 23
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
$602SWISS
Thu, Apr 16 - Sun, Apr 19
LEVEL Logo
4:30 pm - 5:55 pm
LGW
-
SFO
33h 25m
1 stop
LEVEL Logo
7:40 pm - 1:40 pm
SFO
-
LGW
34h 00m
1 stop
$603LEVEL
Wed, Apr 15 - Thu, Apr 23
SWISS Logo
9:25 am - 4:15 pm
LGW
-
SFO
14h 50m
1 stop
SWISS Logo
1:15 pm - 5:50 pm
SFO
-
LGW
20h 35m
1 stop
$604SWISS
Sat, May 2 - Thu, May 7
SWISS Logo
9:25 am - 4:15 pm
LGW
-
SFO
14h 50m
1 stop
SWISS Logo
7:35 pm - 5:55 pm
SFO
-
LGW
14h 20m
1 stop
$605SWISS
Thu, Apr 16 - Wed, Apr 29
SWISS Logo
9:25 am - 4:30 pm
LGW
-
SFO
15h 05m
1 stop
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
$606SWISS
Thu, May 7 - Mon, May 11
LEVEL Logo
12:05 pm - 5:55 pm
LGW
-
SFO
37h 50m
1 stop
LEVEL Logo
7:40 pm - 11:10 pm
SFO
-
LGW
19h 30m
1 stop
$607LEVEL
Wed, Apr 15 - Thu, Apr 23
SWISS Logo
9:25 am - 4:30 pm
LGW
-
SFO
15h 05m
1 stop
SWISS Logo
1:15 pm - 5:50 pm
SFO
-
LGW
20h 35m
1 stop
$609SWISS
Wed, May 6 - Tue, May 19
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
$610SWISS
Thu, May 7 - Mon, May 11
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
$611SWISS
Thu, Apr 23 - Mon, Apr 27

SWISS flights from London Gatwick Airport to San Francisco

Our best SWISS deals on London Gatwick Airport to San Francisco flight tickets
SWISS
Sep 9
LGW9:20 amLondon Gatwick
15h 15m
1 stop
SFO4:35 pmSan Francisco
Sep 23
SFO7:35 pmSan Francisco
14h 20m
1 stop
LGW5:55 pmLondon Gatwick
$600
SWISS
Apr 16
LGW9:25 amLondon Gatwick
14h 50m
1 stop
SFO4:15 pmSan Francisco
Apr 19
SFO7:35 pmSan Francisco
14h 15m
1 stop
LGW5:50 pmLondon Gatwick
$602
SWISS
May 2
LGW9:25 amLondon Gatwick
14h 50m
1 stop
SFO4:15 pmSan Francisco
May 7
SFO1:15 pmSan Francisco
20h 35m
1 stop
LGW5:50 pmLondon Gatwick
$604

KLM flights from London Gatwick Airport to San Francisco

Our best KLM deals on London Gatwick Airport to San Francisco flight tickets
KLM
Apr 20
LGW10:25 amLondon Gatwick
15h 35m
1 stop
SFO6:00 pmSan Francisco
May 7
SFO3:05 pmSan Francisco
34h 20m
1 stop
LGW9:25 amLondon Gatwick
$696
KLM
May 7
LGW5:00 pmLondon Gatwick
27h 50m
1 stop
SFO12:50 pmSan Francisco
May 12
SFO8:10 pmSan Francisco
29h 15m
1 stop
LGW9:25 amLondon Gatwick
$701
KLM
Apr 3
LGW5:00 pmLondon Gatwick
27h 50m
1 stop
SFO12:50 pmSan Francisco
May 6
SFO3:05 pmSan Francisco
16h 55m
1 stop
LGW4:00 pmLondon Gatwick
$806

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 March 29, 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 9/9

9:20 am-4:35 pm

1 stop15h 15m

San Francisco

Wed 9/23

7:35 pm-5:55 pm

1 stop14h 20m

$600
Quickest round-trip

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 4/16

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Sun 4/19

7:35 pm-5:50 pm

1 stop14h 15m

$602

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 4/15

4:30 pm-5:55 pm

1 stop33h 25m

San Francisco

Thu 4/23

7:40 pm-1:40 pm

1 stop34h 00m

$603

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sat 5/2

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Thu 5/7

1:15 pm-5:50 pm

1 stop20h 35m

$604

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 4/16

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Wed 4/29

7:35 pm-5:55 pm

1 stop14h 20m

$605

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 5/7

9:25 am-4:30 pm

1 stop15h 05m

San Francisco

Mon 5/11

7:35 pm-5:50 pm

1 stop14h 15m

$606

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 4/15

12:05 pm-5:55 pm

1 stop37h 50m

San Francisco

Thu 4/23

7:40 pm-11:10 pm

1 stop19h 30m

$607

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 5/6

9:25 am-4:30 pm

1 stop15h 05m

San Francisco

Tue 5/19

1:15 pm-5:50 pm

1 stop20h 35m

$609

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 5/7

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Mon 5/11

7:35 pm-5:50 pm

1 stop14h 15m

$610

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 4/23

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Mon 4/27

7:35 pm-5:50 pm

1 stop14h 15m

$611

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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $531.

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 $701. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $771.

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 $720. Flights in the morning are often more expensive with an average ticket price of $764.

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 05m

Direct flights

None
The fastest flight from London Gatwick Airport to San Francisco takes 14h 05m
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 5365.6 mi. Typically, this will take 14h 05m 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
Big Sur
Fremont
Calistoga
Vallejo
Salinas
Daly City
Half Moon Bay
Milpitas
South San Francisco
Pacific Grove

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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