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Cheap flights from San Francisco to London from $383

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 12/8. 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

Multiple Airlines Logo
8:30 am - 11:50 amSFO-STN
19h 20m2 stops
Multiple Airlines Logo
8:55 pm - 5:30 pmSTN-SFO
27h 35m2 stops
$520Multiple Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Multiple Airlines Logo
8:25 am - 6:00 pmSFO-STN
25h 35m2 stops
Multiple Airlines Logo
7:40 am - 9:22 pmSTN-SFO
21h 42m2 stops
$522Multiple Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Multiple Airlines Logo
11:35 am - 8:00 pmSFO-STN
24h 25m3 stops
Multiple Airlines Logo
10:10 pm - 7:51 pmSTN-SFO
29h 41m2 stops
$524Multiple Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Multiple Airlines Logo
8:30 am - 8:00 pmSFO-STN
27h 30m2 stops
Multiple Airlines Logo
9:20 pm - 5:30 pmSTN-SFO
27h 10m2 stops
$525Multiple Airlines
Find Deal
Wed, Oct 22 - Mon, Oct 27
Multiple Airlines Logo
8:30 am - 12:00 pmSFO-STN
19h 30m2 stops
Multiple Airlines Logo
5:55 am - 8:35 pmSTN-SFO
21h 40m2 stops
$526Multiple Airlines
Find Deal
Tue, Oct 21 - Wed, Oct 29
Multiple Airlines Logo
8:25 am - 1:30 pmSFO-STN
21h 05m2 stops
Multiple Airlines Logo
7:40 am - 9:22 pmSTN-SFO
21h 42m2 stops
$528Multiple Airlines
Find Deal
Sun, Nov 2 - Tue, Nov 11
Multiple Airlines Logo
8:40 am - 12:25 pmSFO-STN
19h 45m2 stops
Multiple Airlines Logo
10:05 pm - 11:08 pmSTN-SFO
33h 03m3 stops
$530Multiple Airlines
Find Deal
Mon, Oct 6 - Tue, Oct 14
Multiple Airlines Logo
8:30 am - 11:50 amSFO-STN
19h 20m2 stops
Multiple Airlines Logo
8:55 pm - 1:40 pmSTN-SFO
23h 45m2 stops
$532Multiple Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Multiple Airlines Logo
8:25 am - 8:15 pmSFO-STN
27h 50m2 stops
Multiple Airlines Logo
2:30 pm - 4:30 pmSTN-SFO
34h 00m2 stops
$533Multiple Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 2
Multiple Airlines Logo
8:40 am - 9:00 pmSFO-STN
28h 20m2 stops
Multiple Airlines Logo
8:05 pm - 5:30 pmSTN-SFO
28h 25m2 stops
$534Multiple Airlines
Find Deal
Tue, Oct 21 - Thu, Oct 30

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 September 17, 2025.
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

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 10/22

8:30 am-11:50 am

2 stops19h 20m

London Stansted

Wed 10/29

8:55 pm-5:30 pm

2 stops27h 35m

$520

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 11/5

8:25 am-6:00 pm

2 stops25h 35m

London Stansted

Wed 11/12

7:40 am-9:22 pm

2 stops21h 42m

$522

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 10/15

11:35 am-8:00 pm

3 stops24h 25m

London Stansted

Wed 10/22

10:10 pm-7:51 pm

2 stops29h 41m

$524

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 10/22

8:30 am-8:00 pm

2 stops27h 30m

London Stansted

Mon 10/27

9:20 pm-5:30 pm

2 stops27h 10m

$525

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 10/21

8:30 am-12:00 pm

2 stops19h 30m

London Stansted

Wed 10/29

5:55 am-8:35 pm

2 stops21h 40m

$526

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Sun 11/2

8:25 am-1:30 pm

2 stops21h 05m

London Stansted

Tue 11/11

7:40 am-9:22 pm

2 stops21h 42m

$528

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 10/6

8:40 am-12:25 pm

2 stops19h 45m

London Stansted

Tue 10/14

10:05 pm-11:08 pm

3 stops33h 03m

$530

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 10/22

8:30 am-11:50 am

2 stops19h 20m

London Stansted

Wed 10/29

8:55 pm-1:40 pm

2 stops23h 45m

$532

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 11/25

8:25 am-8:15 pm

2 stops27h 50m

London Stansted

Tue 12/2

2:30 pm-4:30 pm

2 stops34h 00m

$533

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 10/21

8:40 am-9:00 pm

2 stops28h 20m

London Stansted

Thu 10/30

8:05 pm-5:30 pm

2 stops28h 25m

$534

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?

Lufthansa 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

Direct flights

None
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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  • 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 16h 50m.

  • 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
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Wembley
Richmond
Croydon

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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