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Cheap flights from San Francisco to London from $451

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 7/6. 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
4:45 pm - 5:35 pm
SFO
-
STN
16h 50m
2 stops
Multiple Airlines Logo
11:30 am - 2:40 pm
STN
-
SFO
35h 10m
3 stops
$811Multiple Airlines
Thu, Sep 3 - Wed, Sep 9
Multiple Airlines Logo
6:00 am - 9:20 pm
SFO
-
STN
31h 20m
3 stops
Multiple Airlines Logo
6:30 am - 9:55 pm
STN
-
SFO
23h 25m
3 stops
$813Multiple Airlines
Thu, Sep 3 - Thu, Sep 17
Multiple Airlines Logo
8:10 am - 12:10 am
SFO
-
STN
32h 00m
3 stops
Multiple Airlines Logo
6:20 pm - 2:30 pm
STN
-
SFO
28h 10m
2 stops
$816Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
8:10 am - 11:55 am
SFO
-
STN
19h 45m
2 stops
Multiple Airlines Logo
10:00 pm - 8:59 pm
STN
-
SFO
30h 59m
2 stops
$828Multiple Airlines
Sun, Sep 20 - Thu, Sep 24
Multiple Airlines Logo
8:10 am - 12:10 am
SFO
-
STN
32h 00m
3 stops
Multiple Airlines Logo
10:00 pm - 9:55 pm
STN
-
SFO
31h 55m
3 stops
$829Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
3:15 pm - 11:55 pm
SFO
-
STN
24h 40m
2 stops
Multiple Airlines Logo
12:55 pm - 1:15 pm
STN
-
SFO
32h 20m
2 stops
$832Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
4:45 pm - 5:35 pm
SFO
-
STN
16h 50m
2 stops
Multiple Airlines Logo
10:45 am - 2:40 pm
STN
-
SFO
35h 55m
2 stops
$833Multiple Airlines
Thu, Sep 3 - Mon, Sep 7
Multiple Airlines Logo
5:40 pm - 9:20 pm
SFO
-
STN
19h 40m
1 stop
Multiple Airlines Logo
6:45 pm - 2:35 pm
STN
-
SFO
27h 50m
2 stops
$834Multiple Airlines
Sat, Aug 22 - Tue, Aug 25
Multiple Airlines Logo
3:15 pm - 11:55 pm
SFO
-
STN
24h 40m
2 stops
Multiple Airlines Logo
12:55 pm - 1:15 pm
STN
-
SFO
32h 20m
2 stops
$837Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
4:45 pm - 6:50 pm
SFO
-
STN
18h 05m
1 stop
Multiple Airlines Logo
5:55 am - 3:50 pm
STN
-
SFO
16h 55m
1 stop
$838Multiple Airlines
Mon, Oct 12 - Fri, Oct 30

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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 16
SFO6:45 pmSan Francisco
37h 55m
1 stop
STN4:40 pmLondon Stansted
Oct 9
STN10:50 amLondon Stansted
37h 50m
1 stop
SFO4:40 pmSan Francisco
$876
Turkish Airlines
Sep 22
SFO6:45 pmSan Francisco
37h 55m
1 stop
STN4:40 pmLondon Stansted
Oct 6
STN5:35 pmLondon Stansted
31h 05m
1 stop
SFO4:40 pmSan Francisco
$896
Turkish Airlines
Sep 9
SFO6:45 pmSan Francisco
31h 10m
1 stop
STN9:55 amLondon Stansted
Sep 16
STN5:45 pmLondon Stansted
25h 05m
1 stop
SFO10:50 amSan Francisco
$911

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 26, 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

Thu 9/3

4:45 pm-5:35 pm

2 stops16h 50m

London Stansted

Wed 9/9

11:30 am-2:40 pm

3 stops35h 10m

$811

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 9/3

6:00 am-9:20 pm

3 stops31h 20m

London Stansted

Thu 9/17

6:30 am-9:55 pm

3 stops23h 25m

$813

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 9/9

8:10 am-12:10 am

3 stops32h 00m

London Stansted

Wed 9/16

6:20 pm-2:30 pm

2 stops28h 10m

$816

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Sun 9/20

8:10 am-11:55 am

2 stops19h 45m

London Stansted

Thu 9/24

10:00 pm-8:59 pm

2 stops30h 59m

$828

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 9/9

8:10 am-12:10 am

3 stops32h 00m

London Stansted

Wed 9/16

10:00 pm-9:55 pm

3 stops31h 55m

$829

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 8/3

3:15 pm-11:55 pm

2 stops24h 40m

London Stansted

Wed 8/19

12:55 pm-1:15 pm

2 stops32h 20m

$832

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 9/3

4:45 pm-5:35 pm

2 stops16h 50m

London Stansted

Mon 9/7

10:45 am-2:40 pm

2 stops35h 55m

$833

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Sat 8/22

5:40 pm-9:20 pm

1 stop19h 40m

London Stansted

Tue 8/25

6:45 pm-2:35 pm

2 stops27h 50m

$834

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 8/3

3:15 pm-11:55 pm

2 stops24h 40m

London Stansted

Wed 8/19

12:55 pm-1:15 pm

2 stops32h 20m

$837
Quickest round-trip

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 10/12

4:45 pm-6:50 pm

1 stop18h 05m

London Stansted

Fri 10/30

5:55 am-3:50 pm

1 stop16h 55m

$838

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

12h 45m

Direct flights

None
The fastest flight from San Francisco to London Stansted Airport takes 12h 45m
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 12h 45m.

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

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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