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Cheap flights from San Francisco to London from $409

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 6/1. 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
0 bags

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
4:45 pm - 10:05 pm
SFO
-
STN
21h 20m
2 stops
Multiple Airlines Logo
2:05 pm - 2:40 pm
STN
-
SFO
32h 35m
2 stops
$686Multiple Airlines
Sun, May 10 - Thu, May 14
Turkish Airlines Logo
12:55 pm - 4:40 pm
SFO
-
STN
19h 45m
1 stop
Turkish Airlines Logo
5:35 pm - 10:50 am
STN
-
SFO
25h 15m
1 stop
$728Turkish Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
6:45 pm - 11:15 pm
SFO
-
STN
20h 30m
2 stops
Multiple Airlines Logo
5:00 pm - 4:40 pm
STN
-
SFO
31h 40m
2 stops
$729Multiple Airlines
Wed, May 6 - Tue, May 12
Multiple Airlines Logo
12:55 pm - 12:55 am
SFO
-
STN
28h 00m
2 stops
Multiple Airlines Logo
6:00 pm - 4:40 pm
STN
-
SFO
30h 40m
2 stops
$733Multiple Airlines
Tue, May 5 - Mon, May 11
Turkish Airlines Logo
12:55 pm - 4:50 pm
SFO
-
STN
19h 55m
1 stop
Turkish Airlines Logo
5:45 pm - 10:50 am
STN
-
SFO
25h 05m
1 stop
$735Turkish Airlines
Tue, May 5 - Wed, May 20
Multiple Airlines Logo
4:45 pm - 11:15 pm
SFO
-
STN
22h 30m
2 stops
Multiple Airlines Logo
12:45 pm - 2:40 pm
STN
-
SFO
33h 55m
2 stops
$739Multiple Airlines
Sun, May 10 - Sat, May 16
Multiple Airlines Logo
4:45 pm - 10:05 pm
SFO
-
STN
21h 20m
2 stops
Multiple Airlines Logo
3:10 pm - 2:40 pm
STN
-
SFO
31h 30m
2 stops
$744Multiple Airlines
Sun, May 10 - Tue, May 19
Multiple Airlines Logo
4:45 pm - 10:05 pm
SFO
-
STN
21h 20m
2 stops
Multiple Airlines Logo
2:05 pm - 2:40 pm
STN
-
SFO
32h 35m
2 stops
$745Multiple Airlines
Sun, May 10 - Thu, May 14
Multiple Airlines Logo
12:55 pm - 9:00 pm
SFO
-
STN
24h 05m
2 stops
Multiple Airlines Logo
1:45 pm - 10:50 am
STN
-
SFO
29h 05m
2 stops
$756Multiple Airlines
Thu, May 7 - Wed, May 13
Turkish Airlines Logo
12:55 pm - 4:50 pm
SFO
-
STN
19h 55m
1 stop
Turkish Airlines Logo
5:35 pm - 4:40 pm
STN
-
SFO
31h 05m
1 stop
$757Turkish Airlines
Tue, Sep 8 - Tue, Sep 15

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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
May 7
SFO12:55 pmSan Francisco
19h 45m
1 stop
STN4:40 pmLondon Stansted
May 14
STN5:35 pmLondon Stansted
25h 15m
1 stop
SFO10:50 amSan Francisco
$728
Turkish Airlines
May 5
SFO12:55 pmSan Francisco
19h 55m
1 stop
STN4:50 pmLondon Stansted
May 20
STN5:45 pmLondon Stansted
25h 05m
1 stop
SFO10:50 amSan Francisco
$735
Turkish Airlines
May 3
SFO6:45 pmSan Francisco
19h 25m
1 stop
STN10:10 pmLondon Stansted
Jun 3
STN10:50 amLondon Stansted
32h 00m
1 stop
SFO10:50 amSan Francisco
$760

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 April 23, 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

Sun 5/10

4:45 pm-10:05 pm

2 stops21h 20m

London Stansted

Thu 5/14

2:05 pm-2:40 pm

2 stops32h 35m

$686
Quickest round-trip

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 5/7

12:55 pm-4:40 pm

1 stop19h 45m

London Stansted

Thu 5/14

5:35 pm-10:50 am

1 stop25h 15m

$728

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 5/6

6:45 pm-11:15 pm

2 stops20h 30m

London Stansted

Tue 5/12

5:00 pm-4:40 pm

2 stops31h 40m

$729

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 5/5

12:55 pm-12:55 am

2 stops28h 00m

London Stansted

Mon 5/11

6:00 pm-4:40 pm

2 stops30h 40m

$733

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 5/5

12:55 pm-4:50 pm

1 stop19h 55m

London Stansted

Wed 5/20

5:45 pm-10:50 am

1 stop25h 05m

$735

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Sun 5/10

4:45 pm-11:15 pm

2 stops22h 30m

London Stansted

Sat 5/16

12:45 pm-2:40 pm

2 stops33h 55m

$739

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Sun 5/10

4:45 pm-10:05 pm

2 stops21h 20m

London Stansted

Tue 5/19

3:10 pm-2:40 pm

2 stops31h 30m

$744

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Sun 5/10

4:45 pm-10:05 pm

2 stops21h 20m

London Stansted

Thu 5/14

2:05 pm-2:40 pm

2 stops32h 35m

$745

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 5/7

12:55 pm-9:00 pm

2 stops24h 05m

London Stansted

Wed 5/13

1:45 pm-10:50 am

2 stops29h 05m

$756

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 9/8

12:55 pm-4:50 pm

1 stop19h 55m

London Stansted

Tue 9/15

5:35 pm-4:40 pm

1 stop31h 05m

$757

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

19h 25m

Direct flights

None
The fastest flight from San Francisco to London Stansted Airport takes 19h 25m
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

Frequently asked questions about flying from San Francisco to London Stansted Airport

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

    The distance between San Francisco and London Stansted is about 5341.0 mi. A reasonable flight in good conditions will take 19h 25m.

  • 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
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Crawley
Slough
Wembley
Stansted
Watford
Croydon
Brentwood
Dartford
Cobham
Folkestone
Guildford
Romford
Harrow
Uxbridge

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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