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Cheap flights from London Gatwick Airport to San Francisco from $470

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 9/26. 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

SWISS Logo
6:40 pm - 5:30 pmLGW-SFO
29h 50m1 stop
SWISS Logo
7:25 pm - 5:50 pmSFO-LGW
14h 25m1 stop
$539SWISS
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Thu, Oct 30 - Mon, Nov 10
SWISS Logo
6:40 pm - 4:30 pmLGW-SFO
29h 50m1 stop
SWISS Logo
7:25 pm - 5:50 pmSFO-LGW
14h 25m1 stop
$540SWISS
Find Deal
Tue, Nov 4 - Sun, Nov 9
British Airways Logo
7:40 pm - 2:16 pmLGW-SFO
26h 36m2 stops
British Airways Logo
10:40 am - 7:00 pmSFO-LGW
24h 20m2 stops
$543British Airways
Find Deal
Mon, Jan 19 - Tue, Jan 27
American Airlines Logo
3:05 pm - 11:59 pmLGW-SFO
16h 54m1 stop
American Airlines Logo
10:22 am - 8:10 amSFO-LGW
13h 48m1 stop
$549American Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
British Airways Logo
8:40 pm - 10:30 pmLGW-SFO
33h 50m2 stops
British Airways Logo
10:53 pm - 8:10 amSFO-LGW
25h 17m1 stop
$550British Airways
Find Deal
Wed, Oct 8 - Mon, Oct 20
Icelandair Logo
12:10 pm - 9:43 pmLGW-SFO
17h 33m1 stop
Icelandair Logo
11:00 am - 9:35 amSFO-LGW
14h 35m1 stop
$560Icelandair
Find Deal
Wed, Oct 1 - Tue, Oct 7
American Airlines Logo
3:05 pm - 11:59 pmLGW-SFO
16h 54m1 stop
American Airlines Logo
10:22 am - 8:10 amSFO-LGW
13h 48m1 stop
$565American Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
2:00 pm - 10:53 pmLGW-SFO
16h 53m1 stop
Logo
3:10 pm - 10:55 amSFO-LGW
35h 45m1 stop
$571
Find Deal
Tue, Oct 7 - Tue, Oct 14
Logo
4:20 pm - 4:10 pmLGW-SFO
30h 50m3 stops
Logo
9:30 pm - 9:00 pmSFO-LGW
16h 30m2 stops
$587
Find Deal
Mon, Oct 27 - Thu, Oct 30
Icelandair Logo
12:10 pm - 9:47 amLGW-SFO
29h 37m1 stop
Icelandair Logo
10:00 pm - 9:35 amSFO-LGW
27h 35m1 stop
$589Icelandair
Find Deal
Tue, Sep 23 - Sat, Sep 27

American Airlines flights from London Gatwick Airport to San Francisco

Our best American Airlines deals on London Gatwick Airport to San Francisco flight tickets
American Airlines
Sep 24
LGW3:05 pmLondon Gatwick
16h 54m
1 stop
SFO11:59 pmSan Francisco
Oct 1
SFO10:22 amSan Francisco
13h 48m
1 stop
LGW8:10 amLondon Gatwick
$549
Find similar
American Airlines
Sep 24
LGW3:05 pmLondon Gatwick
16h 54m
1 stop
SFO11:59 pmSan Francisco
Oct 1
SFO10:22 amSan Francisco
13h 48m
1 stop
LGW8:10 amLondon Gatwick
$565
Find similar
American Airlines
Sep 24
LGW3:05 pmLondon Gatwick
16h 54m
1 stop
SFO11:59 pmSan Francisco
Oct 2
SFO10:22 amSan Francisco
13h 48m
1 stop
LGW8:10 amLondon Gatwick
$616
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
Oct 30
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO5:30 pmSan Francisco
Nov 10
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
$539
Find similar
SWISS
Nov 4
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO4:30 pmSan Francisco
Nov 9
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
$540
Find similar
SWISS
Oct 28
LGW6:40 pmLondon Gatwick
29h 50m
1 stop
SFO5:30 pmSan Francisco
Nov 3
SFO7:25 pmSan Francisco
14h 25m
1 stop
LGW5:50 pmLondon Gatwick
$541
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 September 11, 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

Thu 10/30

6:40 pm-5:30 pm

1 stop29h 50m

San Francisco

Mon 11/10

7:25 pm-5:50 pm

1 stop14h 25m

$539

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 11/4

6:40 pm-4:30 pm

1 stop29h 50m

San Francisco

Sun 11/9

7:25 pm-5:50 pm

1 stop14h 25m

$540

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 1/19

7:40 pm-2:16 pm

2 stops26h 36m

San Francisco

Tue 1/27

10:40 am-7:00 pm

2 stops24h 20m

$543

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 9/24

3:05 pm-11:59 pm

1 stop16h 54m

San Francisco

Wed 10/1

10:22 am-8:10 am

1 stop13h 48m

$549

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 10/8

8:40 pm-10:30 pm

2 stops33h 50m

San Francisco

Mon 10/20

10:53 pm-8:10 am

1 stop25h 17m

$550

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 10/1

12:10 pm-9:43 pm

1 stop17h 33m

San Francisco

Tue 10/7

11:00 am-9:35 am

1 stop14h 35m

$560

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 9/24

3:05 pm-11:59 pm

1 stop16h 54m

San Francisco

Wed 10/1

10:22 am-8:10 am

1 stop13h 48m

$565

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 10/7

2:00 pm-10:53 pm

1 stop16h 53m

San Francisco

Tue 10/14

3:10 pm-10:55 am

1 stop35h 45m

$571

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 10/27

4:20 pm-4:10 pm

3 stops30h 50m

San Francisco

Thu 10/30

9:30 pm-9:00 pm

2 stops16h 30m

$587

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 9/23

12:10 pm-9:47 am

1 stop29h 37m

San Francisco

Sat 9/27

10:00 pm-9:35 am

1 stop27h 35m

$589

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 $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 $640. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $750.

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 morning are often more expensive with an average ticket price of $718.

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $690 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from London Gatwick Airport for as low as $475 on momondo.

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

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 16h 53m 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
Calistoga
Hayward
Bodega Bay
Roseville
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Walnut Creek
Half Moon Bay
Vallejo
South San Francisco
Redwood City
Fairfield
Salinas

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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