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Cheap flights from London Gatwick Airport to San Francisco from $478

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 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
6:40 pm - 5:30 pm
LGW
-
SFO
29h 50m
1 stop
SWISS Logo
8:25 pm - 5:50 pm
SFO
-
LGW
14h 25m
1 stop
$519SWISS
Wed, Mar 11 - Wed, Mar 18
TAP AIR PORTUGAL Logo
4:25 pm - 4:35 pm
LGW
-
SFO
32h 10m
1 stop
TAP AIR PORTUGAL Logo
8:20 pm - 9:45 am
SFO
-
LGW
29h 25m
1 stop
$524TAP AIR PORTUGAL
Wed, Apr 1 - Fri, Apr 10
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm
LGW
-
SFO
30h 10m
1 stop
TAP AIR PORTUGAL Logo
7:55 pm - 9:45 am
SFO
-
LGW
29h 50m
1 stop
$525TAP AIR PORTUGAL
Mon, Apr 20 - Thu, Apr 30
Multiple Airlines Logo
6:40 pm - 4:30 pm
LGW
-
SFO
29h 50m
1 stop
Multiple Airlines Logo
10:40 pm - 5:50 pm
SFO
-
LGW
36h 10m
2 stops
$526Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
TAP AIR PORTUGAL Logo
2:50 pm - 4:50 pm
LGW
-
SFO
34h 00m
1 stop
TAP AIR PORTUGAL Logo
8:20 pm - 9:45 am
SFO
-
LGW
29h 25m
1 stop
$528TAP AIR PORTUGAL
Thu, Apr 2 - Fri, Apr 10
Multiple Airlines Logo
11:20 am - 11:28 pm
LGW
-
SFO
20h 08m
1 stop
Multiple Airlines Logo
7:00 am - 7:30 am
SFO
-
LGW
16h 30m
1 stop
$530Multiple Airlines
Fri, Feb 20 - Sat, Mar 7
SWISS Logo
9:15 am - 4:15 pm
LGW
-
SFO
15h 00m
1 stop
SWISS Logo
2:20 pm - 5:50 pm
SFO
-
LGW
19h 30m
1 stop
$533SWISS
Mon, May 11 - Mon, May 25
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
$543SWISS
Fri, Jun 19 - Mon, Jul 13
Multiple Airlines Logo
11:20 am - 12:48 am
LGW
-
SFO
21h 28m
2 stops
Multiple Airlines Logo
7:00 am - 7:30 am
SFO
-
LGW
16h 30m
1 stop
$545Multiple Airlines
Fri, Feb 27 - Fri, Mar 6
TAP AIR PORTUGAL Logo
9:25 pm - 2:45 pm
LGW
-
SFO
25h 20m
2 stops
TAP AIR PORTUGAL Logo
8:10 pm - 9:50 am
SFO
-
LGW
30h 40m
1 stop
$548TAP AIR PORTUGAL
Fri, Mar 6 - Fri, Mar 13

British Airways flights from London Gatwick Airport to San Francisco

Our best British Airways deals on London Gatwick Airport to San Francisco flight tickets
British Airways
Mar 3
LGW7:40 pmLondon Gatwick
33h 33m
2 stops
SFO9:13 pmSan Francisco
Mar 15
SFO7:20 pmSan Francisco
29h 35m
2 stops
LGW7:55 amLondon Gatwick
$575
British Airways
Mar 5
LGW11:45 amLondon Gatwick
62h 05m
2 stops
SFO5:50 pmSan Francisco
Mar 17
SFO6:20 pmSan Francisco
30h 35m
2 stops
LGW7:55 amLondon Gatwick
$583
British Airways
Mar 5
LGW11:45 amLondon Gatwick
41h 38m
2 stops
SFO9:23 pmSan Francisco
Mar 11
SFO6:20 pmSan Francisco
30h 35m
2 stops
LGW7:55 amLondon Gatwick
$591

Iberia flights from London Gatwick Airport to San Francisco

Our best Iberia deals on London Gatwick Airport to San Francisco flight tickets
Iberia
Mar 31
LGW7:20 amLondon Gatwick
18h 35m
1 stop
SFO5:55 pmSan Francisco
Apr 14
SFO7:40 pmSan Francisco
19h 10m
1 stop
LGW10:50 pmLondon Gatwick
$592
Iberia
Jan 27
LGW11:45 amLondon Gatwick
21h 02m
2 stops
SFO12:47 amSan Francisco
Jan 31
SFO10:35 amSan Francisco
40h 15m
2 stops
LGW10:50 amLondon Gatwick
$598

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 January 21, 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

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 3/11

6:40 pm-5:30 pm

1 stop29h 50m

San Francisco

Wed 3/18

8:25 pm-5:50 pm

1 stop14h 25m

$519

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 4/1

4:25 pm-4:35 pm

1 stop32h 10m

San Francisco

Fri 4/10

8:20 pm-9:45 am

1 stop29h 25m

$524

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 4/20

4:25 pm-2:35 pm

1 stop30h 10m

San Francisco

Thu 4/30

7:55 pm-9:45 am

1 stop29h 50m

$525

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 3/5

6:40 pm-4:30 pm

1 stop29h 50m

San Francisco

Thu 3/12

10:40 pm-5:50 pm

2 stops36h 10m

$526

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 4/2

2:50 pm-4:50 pm

1 stop34h 00m

San Francisco

Fri 4/10

8:20 pm-9:45 am

1 stop29h 25m

$528

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 2/20

11:20 am-11:28 pm

1 stop20h 08m

San Francisco

Sat 3/7

7:00 am-7:30 am

1 stop16h 30m

$530

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 5/11

9:15 am-4:15 pm

1 stop15h 00m

San Francisco

Mon 5/25

2:20 pm-5:50 pm

1 stop19h 30m

$533

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 6/19

9:25 am-4:35 pm

1 stop15h 10m

San Francisco

Mon 7/13

7:35 pm-5:50 pm

1 stop14h 15m

$543

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 2/27

11:20 am-12:48 am

2 stops21h 28m

San Francisco

Fri 3/6

7:00 am-7:30 am

1 stop16h 30m

$545

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 3/6

9:25 pm-2:45 pm

2 stops25h 20m

San Francisco

Fri 3/13

8:10 pm-9:50 am

1 stop30h 40m

$548

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 November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $532.

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 $662. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $758.

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 $703. Flights in the afternoon are often more expensive with an average ticket price of $743.

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

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

    The distance between London Gatwick and San Francisco is about 5365.4 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
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Berkeley
Walnut Creek
Fremont
Daly City
Half Moon Bay
Salinas
Vallejo
Livermore
Sunnyvale
Turlock

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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