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Cheap flights from London Gatwick Airport to San Francisco from $495

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 1/10. 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.
Iberia Logo
7:40 pm - 8:10 pm
LGW
-
SFO
32h 30m2 stops
Iberia Logo
11:15 am - 7:00 pm
SFO
-
LGW
23h 45m2 stops
$603Iberia
Tue, Feb 3 - Wed, Feb 11
Iberia Logo
7:40 pm - 9:17 am
LGW
-
SFO
21h 37m2 stops
Iberia Logo
8:00 am - 7:00 pm
SFO
-
LGW
27h 00m2 stops
$605Iberia
Mon, Feb 2 - Wed, Feb 11
TAP AIR PORTUGAL Logo
10:40 am - 2:35 pm
LGW
-
SFO
35h 55m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 9:50 am
SFO
-
LGW
33h 15m1 stop
$607TAP AIR PORTUGAL
Sun, Feb 1 - Wed, Feb 18
Iberia Logo
11:45 am - 12:47 am
LGW
-
SFO
21h 02m2 stops
Iberia Logo
6:00 am - 7:00 pm
SFO
-
LGW
30h 00m2 stops
$610Iberia
Thu, Jan 22 - Wed, Mar 11
TAP AIR PORTUGAL Logo
4:00 pm - 5:05 pm
LGW
-
SFO
32h 05m1 stop
TAP AIR PORTUGAL Logo
5:35 pm - 9:50 am
SFO
-
LGW
33h 15m1 stop
$611TAP AIR PORTUGAL
Thu, Mar 19 - Sat, Mar 21
TAP AIR PORTUGAL Logo
9:25 pm - 2:35 pm
LGW
-
SFO
25h 10m2 stops
TAP AIR PORTUGAL Logo
7:10 pm - 9:50 am
SFO
-
LGW
30h 40m1 stop
$612TAP AIR PORTUGAL
Sun, Feb 1 - Fri, Feb 20
Iberia Logo
7:40 pm - 9:17 am
LGW
-
SFO
21h 37m2 stops
Iberia Logo
6:00 am - 10:50 am
SFO
-
LGW
20h 50m2 stops
$614Iberia
Mon, Feb 2 - Thu, Feb 12
Iberia Logo
11:45 am - 9:37 pm
LGW
-
SFO
41h 52m2 stops
Iberia Logo
8:00 am - 7:00 pm
SFO
-
LGW
27h 00m2 stops
$615Iberia
Sun, Feb 1 - Wed, Feb 11
Iberia Logo
11:45 am - 12:47 am
LGW
-
SFO
21h 02m2 stops
Iberia Logo
11:30 am - 7:00 pm
SFO
-
LGW
24h 30m2 stops
$619Iberia
Thu, Jan 22 - Fri, Mar 13
TAP AIR PORTUGAL Logo
9:25 pm - 2:35 pm
LGW
-
SFO
25h 10m2 stops
TAP AIR PORTUGAL Logo
4:35 pm - 9:50 am
SFO
-
LGW
33h 15m1 stop
$620TAP AIR PORTUGAL
Sun, Feb 1 - Wed, Feb 18

Air Transat flights from London Gatwick Airport to San Francisco

Our best Air Transat deals on London Gatwick Airport to San Francisco flight tickets
Air Transat
Jan 25
LGW11:40 amLondon Gatwick
33h 03m
1 stop
SFO12:43 pmSan Francisco
Jan 28
SFO1:45 pmSan Francisco
36h 00m
1 stop
LGW9:45 amLondon Gatwick
$652
Find similar
Air Transat
Feb 20
LGW11:40 amLondon Gatwick
33h 05m
1 stop
SFO12:45 pmSan Francisco
Feb 27
SFO1:45 pmSan Francisco
36h 00m
1 stop
LGW9:45 amLondon Gatwick
$660
Find similar
Air Transat
Feb 12
LGW11:40 amLondon Gatwick
33h 05m
1 stop
SFO12:45 pmSan Francisco
Feb 19
SFO1:45 pmSan Francisco
36h 00m
1 stop
LGW9:45 amLondon Gatwick
$661
Find similar

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 18
SFO4:35 pmSan Francisco
33h 15m
1 stop
LGW9:50 amLondon Gatwick
$607
Find similar
TAP AIR PORTUGAL
Mar 19
LGW4:00 pmLondon Gatwick
32h 05m
1 stop
SFO5:05 pmSan Francisco
Mar 21
SFO5:35 pmSan Francisco
33h 15m
1 stop
LGW9:50 amLondon Gatwick
$611
Find similar
TAP AIR PORTUGAL
Feb 1
LGW9:25 pmLondon Gatwick
25h 10m
2 stops
SFO2:35 pmSan Francisco
Feb 20
SFO7:10 pmSan Francisco
30h 40m
1 stop
LGW9:50 amLondon Gatwick
$612
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 December 31, 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

Tue 2/3

7:40 pm-8:10 pm

2 stops32h 30m

San Francisco

Wed 2/11

11:15 am-7:00 pm

2 stops23h 45m

$603

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 2/2

7:40 pm-9:17 am

2 stops21h 37m

San Francisco

Wed 2/11

8:00 am-7:00 pm

2 stops27h 00m

$605

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 2/1

10:40 am-2:35 pm

1 stop35h 55m

San Francisco

Wed 2/18

4:35 pm-9:50 am

1 stop33h 15m

$607

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 1/22

11:45 am-12:47 am

2 stops21h 02m

San Francisco

Wed 3/11

6:00 am-7:00 pm

2 stops30h 00m

$610

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 3/19

4:00 pm-5:05 pm

1 stop32h 05m

San Francisco

Sat 3/21

5:35 pm-9:50 am

1 stop33h 15m

$611

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 2/1

9:25 pm-2:35 pm

2 stops25h 10m

San Francisco

Fri 2/20

7:10 pm-9:50 am

1 stop30h 40m

$612

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 2/2

7:40 pm-9:17 am

2 stops21h 37m

San Francisco

Thu 2/12

6:00 am-10:50 am

2 stops20h 50m

$614

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 2/1

11:45 am-9:37 pm

2 stops41h 52m

San Francisco

Wed 2/11

8:00 am-7:00 pm

2 stops27h 00m

$615

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 1/22

11:45 am-12:47 am

2 stops21h 02m

San Francisco

Fri 3/13

11:30 am-7:00 pm

2 stops24h 30m

$619

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 2/1

9:25 pm-2:35 pm

2 stops25h 10m

San Francisco

Wed 2/18

4:35 pm-9:50 am

1 stop33h 15m

$620

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 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 $680. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around $746.

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 $705. Flights in the afternoon are often more expensive with an average ticket price of $742.

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

As of December 2025, prices for London Gatwick Airport to San Francisco flights are approximately 226% 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

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
Vallejo
Livermore
Salinas
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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