How do I get Price Alerts for flights from San Francisco to London Stansted Airport?

Confirm your travel details to search for the latest offers for flights from San Francisco to London Stansted Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from San Francisco to London Stansted Airport with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

$372 Cheap Flights from San Francisco to London Stansted Airport in 2025/26

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8:30 am - 8:30 pmSFO-STN

28h 00m3 stops

8:55 pm - 4:30 pmSTN-SFO

27h 35m2 stops

$597Multiple Airlines

Find Deal

Tue, Jan 13 - Wed, Jan 21

7:10 am - 3:45 pmSFO-STN

24h 35m2 stops

7:35 am - 2:35 pmSTN-SFO

15h 00m1 stop

$599Multiple Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

7:10 am - 3:45 pmSFO-STN

24h 35m2 stops

7:35 am - 2:35 pmSTN-SFO

15h 00m1 stop

$601Multiple Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

4:40 pm - 12:40 amSFO-STN

24h 00m2 stops

12:25 pm - 2:35 pmSTN-SFO

34h 10m2 stops

$607Multiple Airlines

Find Deal

Thu, Feb 26 - Thu, Mar 5

2:40 pm - 10:40 pmSFO-STN

24h 00m2 stops

1:50 pm - 4:30 pmSTN-SFO

34h 40m2 stops

$608Multiple Airlines

Find Deal

Mon, Feb 9 - Mon, Feb 16

8:25 am - 4:00 pmSFO-STN

23h 35m2 stops

7:40 am - 9:22 pmSTN-SFO

20h 42m2 stops

$610Multiple Airlines

Find Deal

Wed, Mar 4 - Wed, Mar 11

12:00 pm - 11:55 pmSFO-STN

27h 55m2 stops

7:50 pm - 6:55 pmSTN-SFO

31h 05m2 stops

$612Multiple Airlines

Find Deal

Fri, Jan 16 - Mon, Jan 19

7:25 pm - 10:15 pmSFO-STN

18h 50m2 stops

6:00 am - 7:35 pmSTN-SFO

21h 35m2 stops

$617Multiple Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

7:25 pm - 10:15 pmSFO-STN

18h 50m2 stops

6:00 am - 7:35 pmSTN-SFO

21h 35m2 stops

$618Multiple Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

8:25 am - 3:45 pmSFO-STN

23h 20m3 stops

5:55 pm - 12:40 pmSTN-SFO

26h 45m2 stops

$621Multiple Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 26

momondo Fare Finder

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

Tue 1/13

8:30 am-8:30 pm

3 stops28h 00m

London Stansted

Wed 1/21

8:55 pm-4:30 pm

2 stops27h 35m

$597

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 1/12

7:10 am-3:45 pm

2 stops24h 35m

London Stansted

Mon 1/19

7:35 am-2:35 pm

1 stop15h 00m

$599

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 1/12

7:10 am-3:45 pm

2 stops24h 35m

London Stansted

Mon 1/19

7:35 am-2:35 pm

1 stop15h 00m

$601

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 2/26

4:40 pm-12:40 am

2 stops24h 00m

London Stansted

Thu 3/5

12:25 pm-2:35 pm

2 stops34h 10m

$607

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 2/9

2:40 pm-10:40 pm

2 stops24h 00m

London Stansted

Mon 2/16

1:50 pm-4:30 pm

2 stops34h 40m

$608

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 3/4

8:25 am-4:00 pm

2 stops23h 35m

London Stansted

Wed 3/11

7:40 am-9:22 pm

2 stops20h 42m

$610

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Fri 1/16

12:00 pm-11:55 pm

2 stops27h 55m

London Stansted

Mon 1/19

7:50 pm-6:55 pm

2 stops31h 05m

$612

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 1/7

7:25 pm-10:15 pm

2 stops18h 50m

London Stansted

Wed 1/14

6:00 am-7:35 pm

2 stops21h 35m

$617

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 1/7

7:25 pm-10:15 pm

2 stops18h 50m

London Stansted

Wed 1/14

6:00 am-7:35 pm

2 stops21h 35m

$618

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 1/12

8:25 am-3:45 pm

3 stops23h 20m

London Stansted

Mon 1/26

5:55 pm-12:40 pm

2 stops26h 45m

$621

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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.

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 12h 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.

How do I get Price Alerts for flights from San Francisco to London Stansted Airport?
Confirm your travel details to search for the latest offers for flights from San Francisco to London Stansted Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from San Francisco to London Stansted Airport with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Chelmsford

Wembley

Folkestone

Romford

Ilford

Cobham

Stansted

Harrow

Watford

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Wed 12/31

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Cheap flights from San Francisco to London from $368

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 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from San Francisco to London

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to London Stansted Airport that are best for you.

When to book flights from San Francisco to London Stansted Airport

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

How far is San Francisco to London Stansted by plane?

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

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

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

How do I get Price Alerts for flights from San Francisco to London Stansted Airport?

How can I save money on flights from San Francisco to London Stansted Airport with momondo?

How does momondo find its flight prices?

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to London?

Can I find flights from San Francisco to London with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo