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Cheap flights from San Francisco to London from $471

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 7/21. 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

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
5:40 pm - 11:20 pm
SFO
-
STN
21h 40m
1 stop
Multiple Airlines Logo
3:30 pm - 2:30 pm
STN
-
SFO
31h 00m
2 stops
$909Multiple Airlines
Wed, Aug 5 - Wed, Aug 19
Multiple Airlines Logo
1:25 pm - 11:20 pm
SFO
-
STN
25h 55m
2 stops
Multiple Airlines Logo
9:30 pm - 2:30 pm
STN
-
SFO
25h 00m
2 stops
$911Multiple Airlines
Fri, Aug 14 - Wed, Aug 26
Multiple Airlines Logo
4:45 pm - 5:35 pm
SFO
-
STN
16h 50m
2 stops
Multiple Airlines Logo
10:40 am - 2:40 pm
STN
-
SFO
36h 00m
2 stops
$913Multiple Airlines
Thu, Oct 1 - Sat, Oct 10
Multiple Airlines Logo
5:35 pm - 2:35 pm
SFO
-
STN
13h 00m
1 stop
Multiple Airlines Logo
10:00 pm - 12:20 pm
STN
-
SFO
46h 20m
2 stops
$914Multiple Airlines
Thu, Aug 6 - Tue, Aug 11
Multiple Airlines Logo
4:45 pm - 2:35 pm
SFO
-
STN
13h 50m
1 stop
Multiple Airlines Logo
7:10 am - 2:40 pm
STN
-
SFO
15h 30m
1 stop
$915Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Turkish Airlines Logo
6:45 pm - 10:10 pm
SFO
-
STN
19h 25m
1 stop
Turkish Airlines Logo
5:35 pm - 4:40 pm
STN
-
SFO
31h 05m
1 stop
$917Turkish Airlines
Mon, Sep 7 - Tue, Sep 15
Turkish Airlines Logo
6:45 pm - 9:55 am
SFO
-
STN
31h 10m
1 stop
Turkish Airlines Logo
10:55 am - 4:30 pm
STN
-
SFO
37h 35m
1 stop
$918Turkish Airlines
Thu, Oct 15 - Mon, Nov 16
Turkish Airlines Logo
6:45 pm - 4:40 pm
SFO
-
STN
37h 55m
1 stop
Turkish Airlines Logo
5:45 pm - 4:40 pm
STN
-
SFO
30h 55m
1 stop
$919Turkish Airlines
Wed, Aug 12 - Wed, Sep 9
Turkish Airlines Logo
6:45 pm - 10:10 pm
SFO
-
STN
19h 25m
1 stop
Turkish Airlines Logo
6:15 am - 4:40 pm
STN
-
SFO
18h 25m
1 stop
$920Turkish Airlines
Wed, Oct 14 - Tue, Oct 20
Multiple Airlines Logo
8:10 am - 11:05 am
SFO
-
STN
18h 55m
2 stops
Multiple Airlines Logo
3:55 pm - 2:35 pm
STN
-
SFO
30h 40m
2 stops
$921Multiple Airlines
Tue, Jul 28 - Tue, Aug 18

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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
Sep 7
SFO6:45 pmSan Francisco
19h 25m
1 stop
STN10:10 pmLondon Stansted
Sep 15
STN5:35 pmLondon Stansted
31h 05m
1 stop
SFO4:40 pmSan Francisco
$917
Turkish Airlines
Oct 15
SFO12:55 pmSan Francisco
37h 00m
1 stop
STN9:55 amLondon Stansted
Nov 16
STN10:55 amLondon Stansted
37h 35m
1 stop
SFO4:30 pmSan Francisco
$918
Turkish Airlines
Aug 12
SFO6:45 pmSan Francisco
37h 55m
1 stop
STN4:40 pmLondon Stansted
Sep 9
STN5:45 pmLondon Stansted
30h 55m
1 stop
SFO4:40 pmSan Francisco
$919

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 June 12, 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

Wed 8/5

5:40 pm-11:20 pm

1 stop21h 40m

London Stansted

Wed 8/19

3:30 pm-2:30 pm

2 stops31h 00m

$909

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Fri 8/14

1:25 pm-11:20 pm

2 stops25h 55m

London Stansted

Wed 8/26

9:30 pm-2:30 pm

2 stops25h 00m

$911

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 10/1

4:45 pm-5:35 pm

2 stops16h 50m

London Stansted

Sat 10/10

10:40 am-2:40 pm

2 stops36h 00m

$913

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 8/6

5:35 pm-2:35 pm

1 stop13h 00m

London Stansted

Tue 8/11

10:00 pm-12:20 pm

2 stops46h 20m

$914
Quickest round-trip

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 10/13

4:45 pm-2:35 pm

1 stop13h 50m

London Stansted

Tue 10/20

7:10 am-2:40 pm

1 stop15h 30m

$915

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 9/7

6:45 pm-10:10 pm

1 stop19h 25m

London Stansted

Tue 9/15

5:35 pm-4:40 pm

1 stop31h 05m

$917

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 10/15

6:45 pm-9:55 am

1 stop31h 10m

London Stansted

Mon 11/16

10:55 am-4:30 pm

1 stop37h 35m

$918

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 8/12

6:45 pm-4:40 pm

1 stop37h 55m

London Stansted

Wed 9/9

5:45 pm-4:40 pm

1 stop30h 55m

$919

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 10/14

6:45 pm-10:10 pm

1 stop19h 25m

London Stansted

Tue 10/20

6:15 am-4:40 pm

1 stop18h 25m

$920

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 7/28

8:10 am-11:05 am

2 stops18h 55m

London Stansted

Tue 8/18

3:55 pm-2:35 pm

2 stops30h 40m

$921

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

16h 55m

Direct flights

None
The fastest flight from San Francisco to London Stansted Airport takes 16h 55m
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.
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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 16h 55m.

  • 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
Luton
Dover
Hayes
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Brentwood
Watford
Cobham
Guildford
Folkestone
Uxbridge
Romford
Chelmsford

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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