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Cheap flights from San Francisco to London from $185

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to London departing on 9/28. 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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Cheap round-trip flights

TAP AIR PORTUGAL Logo
4:20 pm - 3:35 pmSFO-LGW
15h 15m1 stop
TAP AIR PORTUGAL Logo
4:25 pm - 1:35 pmLGW-SFO
29h 10m1 stop
$417TAP AIR PORTUGAL
Find Deal
lun., sep. 22 - lun., oct. 13
TAP AIR PORTUGAL Logo
6:45 pm - 9:45 amSFO-LGW
31h 00m1 stop
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pmLGW-SFO
30h 10m1 stop
$419TAP AIR PORTUGAL
Find Deal
mar., sep. 9 - mar., sep. 16
Logo
11:50 am - 10:55 amSFO-LGW
15h 05m1 stop
Logo
10:55 am - 10:55 amLGW-SFO
32h 00m1 stop
$455
Find Deal
vie., oct. 10 - dom., oct. 19
SWISS Logo
7:40 pm - 5:50 pmSFO-LGW
14h 10m1 stop
SWISS Logo
6:35 pm - 4:10 pmLGW-SFO
29h 35m1 stop
$482SWISS
Find Deal
lun., ago. 18 - lun., ago. 25
SWISS Logo
7:40 pm - 5:50 pmSFO-LGW
14h 10m1 stop
SWISS Logo
6:35 pm - 4:10 pmLGW-SFO
29h 35m1 stop
$484SWISS
Find Deal
lun., ago. 18 - lun., ago. 25
American Airlines Logo
10:12 am - 8:10 amSFO-LGW
13h 58m1 stop
American Airlines Logo
3:05 pm - 11:28 pmLGW-SFO
16h 23m1 stop
$488American Airlines
Find Deal
mar., oct. 7 - mié., oct. 15
Delta Logo
9:35 am - 10:00 amSFO-LGW
16h 25m1 stop
Delta Logo
12:00 pm - 1:35 amLGW-SFO
21h 35m1 stop
$489Delta
Find Deal
mié., ago. 13 - vie., ago. 29
Logo
6:00 am - 10:55 amSFO-LGW
20h 55m1 stop
Logo
10:55 am - 10:55 amLGW-SFO
32h 00m1 stop
$491
Find Deal
dom., oct. 12 - dom., oct. 19
American Airlines Logo
8:00 am - 10:40 amSFO-LGW
18h 40m2 stops
American Airlines Logo
3:05 pm - 11:28 pmLGW-SFO
16h 23m1 stop
$493American Airlines
Find Deal
mié., oct. 8 - mié., oct. 22
Delta Logo
6:15 am - 10:00 amSFO-LGW
19h 45m2 stops
Delta Logo
12:00 pm - 1:35 amLGW-SFO
21h 35m1 stop
$494Delta
Find Deal
mié., ago. 13 - jue., ago. 28

TAP AIR PORTUGAL flights from San Francisco to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on San Francisco to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
Sep 22
SFO4:20 pmSan Francisco
15h 15m
1 stop
LGW3:35 pmLondon Gatwick
Oct 13
LGW4:25 pmLondon Gatwick
29h 10m
1 stop
SFO1:35 pmSan Francisco
$417
Find similar
TAP AIR PORTUGAL
Sep 9
SFO6:45 pmSan Francisco
31h 00m
1 stop
LGW9:45 amLondon Gatwick
Sep 16
LGW4:25 pmLondon Gatwick
30h 10m
1 stop
SFO2:35 pmSan Francisco
$419
Find similar
TAP AIR PORTUGAL
Sep 9
SFO6:45 pmSan Francisco
35h 15m
2 stops
LGW2:00 pmLondon Gatwick
Sep 16
LGW4:25 pmLondon Gatwick
30h 10m
1 stop
SFO2:35 pmSan Francisco
$428
Find similar

SWISS flights from San Francisco to London Gatwick Airport

Our best SWISS deals on San Francisco to London Gatwick Airport flight tickets
SWISS
Aug 18
SFO7:40 pmSan Francisco
14h 10m
1 stop
LGW5:50 pmLondon Gatwick
Aug 25
LGW6:35 pmLondon Gatwick
29h 35m
1 stop
SFO4:10 pmSan Francisco
$482
Find similar
SWISS
Aug 18
SFO7:40 pmSan Francisco
14h 10m
1 stop
LGW5:50 pmLondon Gatwick
Aug 25
LGW6:35 pmLondon Gatwick
29h 35m
1 stop
SFO4:10 pmSan Francisco
$484
Find similar
SWISS
Aug 4
SFO7:40 pmSan Francisco
14h 10m
1 stop
LGW5:50 pmLondon Gatwick
Aug 19
LGW6:35 pmLondon Gatwick
29h 35m
1 stop
SFO4:10 pmSan Francisco
$490
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to London Gatwick Airport 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 julio 30, 2025.
Use the filters below to find and compare flights from San Francisco to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

lun. 9/22

4:20 pm-3:35 pm

1 stop15h 15m

London Gatwick

lun. 10/13

4:25 pm-1:35 pm

1 stop29h 10m

$417

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

mar. 9/9

6:45 pm-9:45 am

1 stop31h 00m

London Gatwick

mar. 9/16

4:25 pm-2:35 pm

1 stop30h 10m

$419

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

vie. 10/10

11:50 am-10:55 am

1 stop15h 05m

London Gatwick

dom. 10/19

10:55 am-10:55 am

1 stop32h 00m

$455

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

lun. 8/18

7:40 pm-5:50 pm

1 stop14h 10m

London Gatwick

lun. 8/25

6:35 pm-4:10 pm

1 stop29h 35m

$482

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

lun. 8/18

7:40 pm-5:50 pm

1 stop14h 10m

London Gatwick

lun. 8/25

6:35 pm-4:10 pm

1 stop29h 35m

$484

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

mar. 10/7

10:12 am-8:10 am

1 stop13h 58m

London Gatwick

mié. 10/15

3:05 pm-11:28 pm

1 stop16h 23m

$488

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

mié. 8/13

9:35 am-10:00 am

1 stop16h 25m

London Gatwick

vie. 8/29

12:00 pm-1:35 am

1 stop21h 35m

$489

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

dom. 10/12

6:00 am-10:55 am

1 stop20h 55m

London Gatwick

dom. 10/19

10:55 am-10:55 am

1 stop32h 00m

$491

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

mié. 10/8

8:00 am-10:40 am

2 stops18h 40m

London Gatwick

mié. 10/22

3:05 pm-11:28 pm

1 stop16h 23m

$493

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

mié. 8/13

6:15 am-10:00 am

2 stops19h 45m

London Gatwick

jue. 8/28

12:00 pm-1:35 am

1 stop21h 35m

$494

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 London from

How to get the cheapest flight ticket from San Francisco to London Gatwick Airport

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 London Gatwick Airport?

In general, April is the cheapest month to fly from San Francisco to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $644. If you are unable to visit London Gatwick Airport during the month of April, then departing from San Francisco during the month October is also very affordable. Most momondo users find prices during this month for around $666.

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from San Francisco to London Gatwick Airport is on a Wednesday when prices can be found for as low as $686. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Friday is $1,067.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from San Francisco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $675 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $948 per ticket.

Can stopping save me money on San Francisco to London Gatwick Airport flights?

You could potentially save up to 46% on your flight if you consider stops on a San Francisco to London Gatwick Airport flight.

When to book flights from San Francisco to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to London Gatwick Airport (SFO to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to London Gatwick Airport

Best Price Found

$185

Fastest flight time

13h 58m

Direct flights

None
The best one-way flight to London Gatwick Airport from San Francisco in the past 72 hours is $185. The best round-trip flight deal from San Francisco to London Gatwick Airport found on momondo in the last 72 hours is $417.
The fastest flight from San Francisco to London Gatwick Airport takes 13h 58m
There are no direct flights from San Francisco to London Gatwick Airport. Popular non-direct route for this connection is San Francisco Airport - London Gatwick Airport.
Search flight deals

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

    A flight from San Francisco to London Gatwick will travel around 5365.4 mi. Typically, this will take 13h 58m by plane in normal conditions.

  • When did momondo last update prices for flights from San Francisco Airport to London Gatwick Airport?

    Prices for flights from San Francisco Airport to London Gatwick Airport refresh daily.

  • How many operators does momondo search for flights from San Francisco Airport to London Gatwick Airport?

  • How old do you have to be to fly from San Francisco Airport to London Gatwick Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The necessary travel and health documents for your London Gatwick Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Francisco to London Gatwick Airport?

Best airlines flying from San Francisco to London Gatwick Airport

Compare and see reviews for airlines that fly from San Francisco to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $514Free CancellationRating
6.6
7,217 reviews
Search British Airways flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights
American AirlinesPriceFrom $625Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Dover
Slough
Luton
Dartford
Guildford
Milton Keynes
Stansted
Hayes
Crawley
Croydon
Chelmsford
Ilford
Brentwood
Colchester
Folkestone
Watford
Canterbury
Richmond

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to London. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to London.

I’m not ready to book a flight from San Francisco to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Gatwick Airport trip

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