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Cheap flights from London Gatwick Airport to San Francisco from $507

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 10/27. 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.
TAP AIR PORTUGAL Logo
4:25 pm - 2:30 pm
LGW
-
SFO
30h 05m
1 stop
TAP AIR PORTUGAL Logo
4:30 pm - 9:45 am
SFO
-
LGW
33h 15m
1 stop
$609TAP AIR PORTUGAL
Wed, Sep 23 - Thu, Oct 8
SWISS Logo
8:35 am - 4:30 pm
LGW
-
SFO
15h 55m
1 stop
SWISS Logo
7:25 pm - 5:50 pm
SFO
-
LGW
14h 25m
1 stop
$609SWISS
Mon, Nov 23 - Thu, Dec 3
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm
LGW
-
SFO
30h 10m
1 stop
TAP AIR PORTUGAL Logo
4:20 pm - 3:35 pm
SFO
-
LGW
15h 15m
1 stop
$610TAP AIR PORTUGAL
Tue, Sep 15 - Tue, Sep 22
Virgin Atlantic Logo
4:45 pm - 10:35 am
LGW
-
SFO
25h 50m
2 stops
Virgin Atlantic Logo
9:56 pm - 9:00 am
SFO
-
LGW
27h 04m
2 stops
$611Virgin Atlantic
Mon, Nov 9 - Sun, Nov 15
American Airlines Logo
12:20 pm - 12:44 am
LGW
-
SFO
20h 24m
2 stops
American Airlines Logo
6:47 am - 10:40 am
SFO
-
LGW
19h 53m
2 stops
$614American Airlines
Sun, Oct 11 - Thu, Oct 15
SWISS Logo
8:30 am - 4:30 pm
LGW
-
SFO
16h 00m
1 stop
SWISS Logo
7:25 pm - 5:50 pm
SFO
-
LGW
14h 25m
1 stop
$614SWISS
Thu, Nov 12 - Sun, Nov 29
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm
LGW
-
SFO
30h 10m
1 stop
TAP AIR PORTUGAL Logo
4:20 pm - 3:35 pm
SFO
-
LGW
15h 15m
1 stop
$617TAP AIR PORTUGAL
Tue, Sep 15 - Tue, Sep 22
Iberia Logo
11:45 am - 12:43 am
LGW
-
SFO
20h 58m
2 stops
Iberia Logo
10:32 am - 7:00 pm
SFO
-
LGW
24h 28m
2 stops
$618Iberia
Wed, Nov 4 - Mon, Nov 16
Iberia Logo
11:45 am - 12:43 am
LGW
-
SFO
20h 58m
2 stops
Iberia Logo
8:55 am - 10:50 am
SFO
-
LGW
17h 55m
2 stops
$619Iberia
Thu, Nov 12 - Tue, Nov 17
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
$619SWISS
Thu, Sep 10 - Sun, Oct 4

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SWISS flights from London Gatwick Airport to San Francisco

Our best SWISS deals on London Gatwick Airport to San Francisco flight tickets
SWISS
Sep 10
LGW9:25 amLondon Gatwick
14h 50m
1 stop
SFO4:15 pmSan Francisco
Oct 4
SFO7:35 pmSan Francisco
14h 15m
1 stop
LGW5:50 pmLondon Gatwick
$619
SWISS
Aug 28
LGW9:25 amLondon Gatwick
14h 50m
1 stop
SFO4:15 pmSan Francisco
Sep 7
SFO7:35 pmSan Francisco
14h 15m
1 stop
LGW5:50 pmLondon Gatwick
$620
SWISS
Sep 24
LGW9:25 amLondon Gatwick
14h 50m
1 stop
SFO4:15 pmSan Francisco
Sep 29
SFO7:35 pmSan Francisco
14h 15m
1 stop
LGW5:50 pmLondon Gatwick
$621

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
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
TAP AIR PORTUGAL
Sep 15
LGW4:25 pmLondon Gatwick
30h 10m
1 stop
SFO2:35 pmSan Francisco
Sep 22
SFO4:20 pmSan Francisco
15h 15m
1 stop
LGW3:35 pmLondon Gatwick
$610
TAP AIR PORTUGAL
Sep 15
LGW4:25 pmLondon Gatwick
30h 10m
1 stop
SFO2:35 pmSan Francisco
Sep 22
SFO4:20 pmSan Francisco
15h 15m
1 stop
LGW3:35 pmLondon Gatwick
$617

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 1, 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 9/23

4:25 pm-2:30 pm

1 stop30h 05m

San Francisco

Thu 10/8

4:30 pm-9:45 am

1 stop33h 15m

$609

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 11/23

8:35 am-4:30 pm

1 stop15h 55m

San Francisco

Thu 12/3

7:25 pm-5:50 pm

1 stop14h 25m

$609

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 9/15

4:25 pm-2:35 pm

1 stop30h 10m

San Francisco

Tue 9/22

4:20 pm-3:35 pm

1 stop15h 15m

$610

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 11/9

4:45 pm-10:35 am

2 stops25h 50m

San Francisco

Sun 11/15

9:56 pm-9:00 am

2 stops27h 04m

$611

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 10/11

12:20 pm-12:44 am

2 stops20h 24m

San Francisco

Thu 10/15

6:47 am-10:40 am

2 stops19h 53m

$614

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 11/12

8:30 am-4:30 pm

1 stop16h 00m

San Francisco

Sun 11/29

7:25 pm-5:50 pm

1 stop14h 25m

$614

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 9/15

4:25 pm-2:35 pm

1 stop30h 10m

San Francisco

Tue 9/22

4:20 pm-3:35 pm

1 stop15h 15m

$617

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 11/4

11:45 am-12:43 am

2 stops20h 58m

San Francisco

Mon 11/16

10:32 am-7:00 pm

2 stops24h 28m

$618

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 11/12

11:45 am-12:43 am

2 stops20h 58m

San Francisco

Tue 11/17

8:55 am-10:50 am

2 stops17h 55m

$619
Quickest round-trip

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 9/10

9:25 am-4:15 pm

1 stop14h 50m

San Francisco

Sun 10/4

7:35 pm-5:50 pm

1 stop14h 15m

$619

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 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 $741. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $894.

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 $758. Flights in the morning are often more expensive with an average ticket price of $801.

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
Sonoma
Roseville
Santa Clara
Vallejo
Salinas
Sunnyvale
Burlingame
Milpitas
Daly City
Palo Alto
Big Sur

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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