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Cheap flights from San Francisco to London from $377

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 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from San Francisco to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:55 pm - 9:20 pm
SFO
-
STN
24h 25m
2 stops
Multiple Airlines Logo
1:15 pm - 4:40 pm
STN
-
SFO
35h 25m
2 stops
$652Multiple Airlines
Mon, Mar 30 - Tue, Apr 7
Multiple Airlines Logo
4:45 pm - 9:25 pm
SFO
-
STN
20h 40m
2 stops
Multiple Airlines Logo
6:05 am - 2:40 pm
STN
-
SFO
16h 35m
2 stops
$661Multiple Airlines
Tue, May 19 - Wed, Jun 3
Multiple Airlines Logo
7:35 pm - 11:35 pm
SFO
-
STN
20h 00m
2 stops
Multiple Airlines Logo
6:20 pm - 4:15 pm
STN
-
SFO
29h 55m
2 stops
$668Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
7:35 pm - 11:35 pm
SFO
-
STN
20h 00m
2 stops
Multiple Airlines Logo
6:20 pm - 4:15 pm
STN
-
SFO
29h 55m
2 stops
$669Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
12:55 pm - 7:20 pm
SFO
-
STN
22h 25m
2 stops
Multiple Airlines Logo
10:00 pm - 4:40 pm
STN
-
SFO
26h 40m
2 stops
$670Multiple Airlines
Fri, Apr 17 - Thu, Apr 23
Multiple Airlines Logo
7:35 pm - 11:35 pm
SFO
-
STN
20h 00m
2 stops
Multiple Airlines Logo
1:15 pm - 4:15 pm
STN
-
SFO
35h 00m
2 stops
$674Multiple Airlines
Wed, Apr 8 - Tue, Apr 14
Multiple Airlines Logo
2:40 pm - 11:35 pm
SFO
-
STN
24h 55m
3 stops
Multiple Airlines Logo
10:00 am - 12:40 pm
STN
-
SFO
34h 40m
3 stops
$676Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
8:10 am - 11:40 am
SFO
-
STN
19h 30m
2 stops
Multiple Airlines Logo
6:55 pm - 4:15 pm
STN
-
SFO
29h 20m
2 stops
$681Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
2:40 pm - 11:35 pm
SFO
-
STN
24h 55m
3 stops
Multiple Airlines Logo
10:00 am - 12:40 pm
STN
-
SFO
34h 40m
3 stops
$683Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
8:10 am - 11:20 am
SFO
-
STN
19h 10m
2 stops
Multiple Airlines Logo
6:55 pm - 4:15 pm
STN
-
SFO
29h 20m
2 stops
$685Multiple Airlines
Sun, Apr 19 - Tue, Apr 28

Turkish Airlines flights from San Francisco to London Stansted Airport

Our best Turkish Airlines deals on San Francisco to London Stansted Airport flight tickets
Turkish Airlines
Mar 30
SFO6:45 pmSan Francisco
31h 10m
1 stop
STN9:55 amLondon Stansted
Apr 14
STN5:35 pmLondon Stansted
31h 05m
1 stop
SFO4:40 pmSan Francisco
$715
Turkish Airlines
Apr 13
SFO6:45 pmSan Francisco
38h 05m
1 stop
STN4:50 pmLondon Stansted
Apr 22
STN5:45 pmLondon Stansted
30h 55m
1 stop
SFO4:40 pmSan Francisco
$718
Turkish Airlines
Apr 26
SFO6:45 pmSan Francisco
37h 55m
1 stop
STN4:40 pmLondon Stansted
May 13
STN10:50 amLondon Stansted
32h 00m
1 stop
SFO10:50 amSan Francisco
$720

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to London Stansted 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 March 20, 2026.
Use the filters below to find and compare flights from San Francisco to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 3/30

12:55 pm-9:20 pm

2 stops24h 25m

London Stansted

Tue 4/7

1:15 pm-4:40 pm

2 stops35h 25m

$652
Quickest round-trip

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 5/19

4:45 pm-9:25 pm

2 stops20h 40m

London Stansted

Wed 6/3

6:05 am-2:40 pm

2 stops16h 35m

$661

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 4/15

7:35 pm-11:35 pm

2 stops20h 00m

London Stansted

Wed 4/22

6:20 pm-4:15 pm

2 stops29h 55m

$668

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 4/15

7:35 pm-11:35 pm

2 stops20h 00m

London Stansted

Wed 4/22

6:20 pm-4:15 pm

2 stops29h 55m

$669

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Fri 4/17

12:55 pm-7:20 pm

2 stops22h 25m

London Stansted

Thu 4/23

10:00 pm-4:40 pm

2 stops26h 40m

$670

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 4/8

7:35 pm-11:35 pm

2 stops20h 00m

London Stansted

Tue 4/14

1:15 pm-4:15 pm

2 stops35h 00m

$674

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 4/13

2:40 pm-11:35 pm

3 stops24h 55m

London Stansted

Mon 4/20

10:00 am-12:40 pm

3 stops34h 40m

$676

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 4/21

8:10 am-11:40 am

2 stops19h 30m

London Stansted

Tue 4/28

6:55 pm-4:15 pm

2 stops29h 20m

$681

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 4/13

2:40 pm-11:35 pm

3 stops24h 55m

London Stansted

Mon 4/20

10:00 am-12:40 pm

3 stops34h 40m

$683

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Sun 4/19

8:10 am-11:20 am

2 stops19h 10m

London Stansted

Tue 4/28

6:55 pm-4:15 pm

2 stops29h 20m

$685

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 Stansted 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 airline that flies from San Francisco to London Stansted?

Turkish Airlines is the most popular carrier operating from San Francisco to London Stansted

When to book flights from San Francisco to London Stansted Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to London Stansted 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 Stansted Airport (SFO to STN) flight deals and tips

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

Fastest flight time

17h 35m

Direct flights

None
The fastest flight from San Francisco to London Stansted Airport takes 17h 35m
There are no direct flights from San Francisco to London Stansted Airport. There are no popular flight routes from San Francisco to London Stansted Airport.
Search flight deals

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

    The distance between San Francisco and London Stansted is about 5340.7 mi. A reasonable flight in good conditions will take 17h 35m.

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

    Prices for flights from San Francisco Airport to London Stansted Airport are refreshed on a daily basis.

  • How old do you have to be to fly from San Francisco Airport to London Stansted 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 San Francisco Airport to London Stansted Airport.

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

    The travel and health documents you'll need for your trip to London Stansted 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 London Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
Romford
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?

Flights from San Francisco to London 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 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 Stansted Airport trip

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