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?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£243 Cheap Flights from San Francisco to London Stansted Airport in 2026

Find the cheapest flights from San Francisco to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:30 - 23:55SFO San Francisco-STN London Stansted

23h 25m2 stops Frankfurt am Main Venice Marco Polo

19:20 - 14:30STN London Stansted-SFO San Francisco

27h 10m2 stops Venice Marco Polo Frankfurt am Main

£488Multiple Airlines

Mon, 5 Oct - Wed, 14 Oct

10:36 - 00:10SFO San Francisco-STN London Stansted

29h 34m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

22:00 - 15:55STN London Stansted-SFO San Francisco

25h 55m1 stop Dublin

£500Multiple Airlines

Tue, 22 Sep - Tue, 20 Oct

13:00 - 22:50SFO San Francisco-STN London Stansted

25h 50m2 stops Calgary Edinburgh Turnhouse

22:00 - 15:50STN London Stansted-SFO San Francisco

25h 50m1 stop Dublin

£501Multiple Airlines

Wed, 14 Oct - Thu, 22 Oct

08:10 - 19:20SFO San Francisco-STN London Stansted

27h 10m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

17:20 - 15:21STN London Stansted-SFO San Francisco

30h 01m3 stops Barcelona-El Prat Frankfurt am Main Vancouver Intl

£503Multiple Airlines

Wed, 14 Oct - Mon, 19 Oct

16:45 - 23:20SFO San Francisco-STN London Stansted

22h 35m2 stops Kastrup Copenhagen Dublin

12:45 - 15:50STN London Stansted-SFO San Francisco

34h 05m2 stops Dublin Kastrup Copenhagen

£503Multiple Airlines

Wed, 14 Oct - Wed, 28 Oct

16:45 - 23:20SFO San Francisco-STN London Stansted

22h 35m3 stops Kastrup Copenhagen Stockholm Arlanda Dublin

12:45 - 15:50STN London Stansted-SFO San Francisco

34h 05m2 stops Dublin Kastrup Copenhagen

£508Multiple Airlines

Wed, 14 Oct - Wed, 28 Oct

16:45 - 23:20SFO San Francisco-STN London Stansted

22h 35m2 stops Kastrup Copenhagen Dublin

12:45 - 15:50STN London Stansted-SFO San Francisco

34h 05m2 stops Dublin Kastrup Copenhagen

£525Multiple Airlines

Wed, 21 Oct - Wed, 28 Oct

17:20 - 20:05SFO San Francisco-STN London Stansted

18h 45m1 stop Dublin

06:45 - 20:04STN London Stansted-SFO San Francisco

21h 19m2 stops Dublin New York John F Kennedy Intl

£531Multiple Airlines

Sun, 1 Nov - Thu, 12 Nov

08:10 - 14:45SFO San Francisco-STN London Stansted

22h 35m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

20:45 - 13:35STN London Stansted-SFO San Francisco

23h 50m2 stops Barcelona-El Prat Frankfurt am Main

£532Multiple Airlines

Mon, 12 Oct - Tue, 27 Oct

08:10 - 19:20SFO San Francisco-STN London Stansted

27h 10m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

17:20 - 12:40STN London Stansted-SFO San Francisco

27h 20m2 stops Barcelona-El Prat Frankfurt am Main

£532Multiple Airlines

Wed, 14 Oct - Mon, 19 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:30 - 20:55SFO San Francisco-STN London Stansted

20h 25m2 stops Frankfurt am Main Barcelona-El Prat

18:45 - 14:30STN London Stansted-SFO San Francisco

27h 45m2 stops Barcelona-El Prat Frankfurt am Main

£667Multiple Airlines

Tue, 25 Aug - Tue, 1 Sep

17:35 - 14:40SFO San Francisco-STN London Stansted

13h 05m1 stop Dublin

18:55 - 14:35STN London Stansted-SFO San Francisco

27h 40m2 stops Madrid Barajas Lisbon Humberto Delgado

£728Multiple Airlines

Mon, 24 Aug - Tue, 8 Sep

16:30 - 19:35SFO San Francisco-STN London Stansted

19h 05m2 stops Frankfurt am Main Milan Malpensa

17:40 - 14:30STN London Stansted-SFO San Francisco

28h 50m2 stops Milan Malpensa Frankfurt am Main

£730Multiple Airlines

Mon, 24 Aug - Mon, 31 Aug

17:35 - 14:40SFO San Francisco-STN London Stansted

13h 05m1 stop Dublin

15:30 - 14:30STN London Stansted-SFO San Francisco

31h 00m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£743Multiple Airlines

Mon, 24 Aug - Wed, 9 Sep

11:40 - 18:50SFO San Francisco-STN London Stansted

23h 10m2 stops Toronto Pearson Intl Kastrup Copenhagen

22:05 - 16:15STN London Stansted-SFO San Francisco

26h 10m2 stops Kastrup Copenhagen Zurich

£760Multiple Airlines

Mon, 24 Aug - Thu, 27 Aug

17:35 - 14:40SFO San Francisco-STN London Stansted

13h 05m1 stop Dublin

18:20 - 14:30STN London Stansted-SFO San Francisco

28h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£770Multiple Airlines

Mon, 24 Aug - Wed, 26 Aug

17:35 - 14:40SFO San Francisco-STN London Stansted

13h 05m1 stop Dublin

18:20 - 14:30STN London Stansted-SFO San Francisco

28h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£775Multiple Airlines

Mon, 24 Aug - Wed, 26 Aug

17:35 - 14:40SFO San Francisco-STN London Stansted

13h 05m1 stop Dublin

21:25 - 17:35STN London Stansted-SFO San Francisco

28h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£799Multiple Airlines

Mon, 24 Aug - Fri, 28 Aug

17:35 - 14:40SFO San Francisco-STN London Stansted

13h 05m1 stop Dublin

06:35 - 21:55STN London Stansted-SFO San Francisco

23h 20m2 stops Dublin Calgary

£811Multiple Airlines

Mon, 24 Aug - Fri, 11 Sep

08:10 - 15:00SFO San Francisco-STN London Stansted

22h 50m2 stops Montreal Pierre Elliott Trudeau Intl Milan Malpensa

16:25 - 14:30STN London Stansted-SFO San Francisco

30h 05m2 stops Madrid Barajas Lisbon Humberto Delgado

£811Multiple Airlines

Mon, 24 Aug - Wed, 26 Aug

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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 return flight

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Mon 5/10

16:30-23:55

2 stops23h 25m

London Stansted

Wed 14/10

19:20-14:30

2 stops27h 10m

£488

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Tue 22/9

10:36-00:10

2 stops29h 34m

London Stansted

Tue 20/10

22:00-15:55

1 stop25h 55m

£500

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Wed 14/10

13:00-22:50

2 stops25h 50m

London Stansted

Thu 22/10

22:00-15:50

1 stop25h 50m

£501

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Wed 14/10

08:10-19:20

2 stops27h 10m

London Stansted

Mon 19/10

17:20-15:21

3 stops30h 01m

£503

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Wed 14/10

16:45-23:20

2 stops22h 35m

London Stansted

Wed 28/10

12:45-15:50

2 stops34h 05m

£503

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Wed 14/10

16:45-23:20

3 stops22h 35m

London Stansted

Wed 28/10

12:45-15:50

2 stops34h 05m

£508

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Wed 21/10

16:45-23:20

2 stops22h 35m

London Stansted

Wed 28/10

12:45-15:50

2 stops34h 05m

£525

Fastest return journey

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Sun 1/11

17:20-20:05

1 stop18h 45m

London Stansted

Thu 12/11

06:45-20:04

2 stops21h 19m

£531

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Mon 12/10

08:10-14:45

2 stops22h 35m

London Stansted

Tue 27/10

20:45-13:35

2 stops23h 50m

£532

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Wed 14/10

08:10-19:20

2 stops27h 10m

London Stansted

Mon 19/10

17:20-12:40

2 stops27h 20m

£532

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

How often are flights from San Francisco to London delayed?

Historically, on average around 100% of flights between San Francisco and London have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

What is the most punctual flight time for San Francisco to London flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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 return 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

Best price found	£243
Fastest flight time	18h 45m
Direct flights	None

The best one-way flight to London Stansted Airport from San Francisco in the past 72 hours is £243. The best return flight deal from San Francisco to London Stansted Airport found on momondo in the last 72 hours is £488.

The fastest flight from San Francisco to London Stansted Airport takes 18h 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 straight-line distance from San Francisco to London Stansted is 5341.0 mi. By plane, this route typically takes 18h 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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to London for you.

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

All flight searches from San Francisco to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from San Francisco.

I’m not ready to book a flight from San Francisco to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.