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Cheap flights from London Gatwick Airport to San Francisco from $442

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 1/26. 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.
TAP AIR PORTUGAL Logo
10:40 am - 2:35 pmLGW-SFO
35h 55m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 3:45 pmSFO-LGW
15h 10m1 stop
$545TAP AIR PORTUGAL
Find Deal
Sun, Feb 1 - Mon, Feb 16
Multiple Airlines Logo
9:35 pm - 11:50 amLGW-SFO
22h 15m2 stops
Multiple Airlines Logo
1:55 pm - 8:10 pmSFO-LGW
22h 15m2 stops
$551Multiple Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 30
TAP AIR PORTUGAL Logo
4:00 pm - 4:05 pmLGW-SFO
32h 05m1 stop
TAP AIR PORTUGAL Logo
7:10 pm - 8:20 amSFO-LGW
29h 10m2 stops
$558TAP AIR PORTUGAL
Find Deal
Thu, Nov 20 - Fri, Dec 5
TAP AIR PORTUGAL Logo
4:35 pm - 3:30 pmLGW-SFO
29h 55m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 9:45 amSFO-LGW
33h 10m1 stop
$559TAP AIR PORTUGAL
Find Deal
Tue, Mar 10 - Tue, Mar 31
TAP AIR PORTUGAL Logo
9:05 am - 2:35 pmLGW-SFO
37h 30m2 stops
TAP AIR PORTUGAL Logo
4:35 pm - 3:45 pmSFO-LGW
15h 10m1 stop
$564TAP AIR PORTUGAL
Find Deal
Sun, Feb 1 - Mon, Feb 16
TAP AIR PORTUGAL Logo
4:35 pm - 2:30 pmLGW-SFO
29h 55m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 8:40 pmSFO-LGW
20h 05m2 stops
$566TAP AIR PORTUGAL
Find Deal
Tue, Nov 18 - Sat, Nov 29
SWISS Logo
6:40 pm - 4:30 pmLGW-SFO
29h 50m1 stop
SWISS Logo
7:25 pm - 5:50 pmSFO-LGW
14h 25m1 stop
$572SWISS
Find Deal
Mon, Nov 17 - Mon, Dec 1
SWISS Logo
6:40 pm - 4:30 pmLGW-SFO
29h 50m1 stop
SWISS Logo
7:25 pm - 5:50 pmSFO-LGW
14h 25m1 stop
$577SWISS
Find Deal
Mon, Jan 26 - Thu, Feb 5
SWISS Logo
6:40 pm - 4:30 pmLGW-SFO
29h 50m1 stop
SWISS Logo
7:25 pm - 5:50 pmSFO-LGW
14h 25m1 stop
$586SWISS
Find Deal
Mon, Nov 17 - Mon, Dec 1
Multiple Airlines Logo
8:50 am - 3:35 pmLGW-SFO
14h 45m1 stop
Multiple Airlines Logo
5:20 pm - 4:10 pmSFO-LGW
14h 50m1 stop
$597Multiple Airlines
Find Deal
Tue, Nov 4 - Fri, Nov 7

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
Feb 1
LGW10:40 amLondon Gatwick
35h 55m
1 stop
SFO2:35 pmSan Francisco
Feb 16
SFO4:35 pmSan Francisco
15h 10m
1 stop
LGW3:45 pmLondon Gatwick
$545
Find similar
TAP AIR PORTUGAL
Nov 20
LGW4:00 pmLondon Gatwick
32h 05m
1 stop
SFO4:05 pmSan Francisco
Dec 5
SFO7:10 pmSan Francisco
29h 10m
2 stops
LGW8:20 amLondon Gatwick
$558
Find similar
TAP AIR PORTUGAL
Mar 10
LGW4:35 pmLondon Gatwick
29h 55m
1 stop
SFO3:30 pmSan Francisco
Mar 31
SFO4:35 pmSan Francisco
33h 10m
1 stop
LGW9:45 amLondon Gatwick
$559
Find similar

SWISS flights from London Gatwick Airport to San Francisco

Our best SWISS deals on London Gatwick Airport to San Francisco flight tickets
SWISS
Nov 17
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO4:30 pmSan Francisco
Dec 1
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
$572
Find similar
SWISS
Jan 26
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO4:30 pmSan Francisco
Feb 5
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
$577
Find similar
SWISS
Nov 17
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO4:30 pmSan Francisco
Dec 1
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
$586
Find similar

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 October 14, 2025.
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

Sun 2/1

10:40 am-2:35 pm

1 stop35h 55m

San Francisco

Mon 2/16

4:35 pm-3:45 pm

1 stop15h 10m

$545

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 11/21

9:35 pm-11:50 am

2 stops22h 15m

San Francisco

Sun 11/30

1:55 pm-8:10 pm

2 stops22h 15m

$551

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 11/20

4:00 pm-4:05 pm

1 stop32h 05m

San Francisco

Fri 12/5

7:10 pm-8:20 am

2 stops29h 10m

$558

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 3/10

4:35 pm-3:30 pm

1 stop29h 55m

San Francisco

Tue 3/31

4:35 pm-9:45 am

1 stop33h 10m

$559

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 2/1

9:05 am-2:35 pm

2 stops37h 30m

San Francisco

Mon 2/16

4:35 pm-3:45 pm

1 stop15h 10m

$564

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 11/18

4:35 pm-2:30 pm

1 stop29h 55m

San Francisco

Sat 11/29

4:35 pm-8:40 pm

2 stops20h 05m

$566

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 11/17

6:40 pm-4:30 pm

1 stop29h 50m

San Francisco

Mon 12/1

7:25 pm-5:50 pm

1 stop14h 25m

$572

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 1/26

6:40 pm-4:30 pm

1 stop29h 50m

San Francisco

Thu 2/5

7:25 pm-5:50 pm

1 stop14h 25m

$577

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 11/17

6:40 pm-4:30 pm

1 stop29h 50m

San Francisco

Mon 12/1

7:25 pm-5:50 pm

1 stop14h 25m

$586

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 11/4

8:50 am-3:35 pm

1 stop14h 45m

San Francisco

Fri 11/7

5:20 pm-4:10 pm

1 stop14h 50m

$597

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 February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $558.

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 $653. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $759.

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 evening. Our users have found flights to San Francisco in the evening for as low as $682. Flights in the afternoon are often more expensive with an average ticket price of $725.

How have London Gatwick Airport to San Francisco flight prices changed over time?

As of October 2025, prices for London Gatwick Airport to San Francisco flights are approximately 199% more expensive when compared to flights at the same time last year.

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

Direct flights

None
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 45m 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
Calistoga
Hayward
Roseville
Big Sur
Santa Clara
Fremont
Daly City
Berkeley
Walnut Creek
Half Moon Bay
Vallejo
Salinas
Redwood City
Turlock
South San Francisco

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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