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.

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.

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.

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.

£332 Cheap Flights from San Francisco to London Stansted Airport in 2026

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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.

16:45 - 19:35

SFO

STN

18h 50m

2 stops

21:20 - 14:40

STN

SFO

25h 20m

2 stops

£587Multiple Airlines

Mon, 10 Aug - Wed, 26 Aug

11:10 - 19:25

SFO

STN

24h 15m

2 stops

06:30 - 00:07

STN

SFO

25h 37m

2 stops

£588Multiple Airlines

Mon, 3 Aug - Wed, 19 Aug

08:30 - 23:25

SFO

STN

30h 55m

2 stops

06:35 - 21:55

STN

SFO

23h 20m

3 stops

£588Multiple Airlines

Tue, 4 Aug - Fri, 28 Aug

16:45 - 23:20

SFO

STN

22h 35m

2 stops

13:15 - 14:40

STN

SFO

33h 25m

2 stops

£589Multiple Airlines

Wed, 2 Sep - Sat, 19 Sep

11:10 - 19:25

SFO

STN

24h 15m

2 stops

06:30 - 00:07

STN

SFO

25h 37m

2 stops

£590Multiple Airlines

Mon, 3 Aug - Wed, 19 Aug

11:40 - 19:25

SFO

STN

23h 45m

2 stops

06:30 - 15:27

STN

SFO

16h 57m

2 stops

£591Multiple Airlines

Mon, 3 Aug - Wed, 19 Aug

16:30 - 18:20

SFO

STN

17h 50m

2 stops

19:05 - 14:30

STN

SFO

27h 25m

2 stops

£591Multiple Airlines

Sun, 9 Aug - Mon, 24 Aug

16:45 - 23:35

SFO

STN

22h 50m

2 stops

12:25 - 14:40

STN

SFO

34h 15m

2 stops

£592Multiple Airlines

Wed, 16 Sep - Fri, 25 Sep

16:45 - 23:20

SFO

STN

22h 35m

3 stops

11:25 - 14:40

STN

SFO

35h 15m

2 stops

£593Multiple Airlines

Wed, 16 Sep - Sun, 20 Sep

11:10 - 19:25

SFO

STN

24h 15m

2 stops

06:30 - 00:07

STN

SFO

25h 37m

2 stops

£594Multiple Airlines

Mon, 3 Aug - Wed, 19 Aug

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 10/8

16:45-19:35

2 stops18h 50m

London Stansted

Wed 26/8

21:20-14:40

2 stops25h 20m

£587

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 3/8

11:10-19:25

2 stops24h 15m

London Stansted

Wed 19/8

06:30-00:07

2 stops25h 37m

£588

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 4/8

08:30-23:25

2 stops30h 55m

London Stansted

Fri 28/8

06:35-21:55

3 stops23h 20m

£588

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 2/9

16:45-23:20

2 stops22h 35m

London Stansted

Sat 19/9

13:15-14:40

2 stops33h 25m

£589

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 3/8

11:10-19:25

2 stops24h 15m

London Stansted

Wed 19/8

06:30-00:07

2 stops25h 37m

£590

Fastest return journey

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 3/8

11:40-19:25

2 stops23h 45m

London Stansted

Wed 19/8

06:30-15:27

2 stops16h 57m

£591

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Sun 9/8

16:30-18:20

2 stops17h 50m

London Stansted

Mon 24/8

19:05-14:30

2 stops27h 25m

£591

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 16/9

16:45-23:35

2 stops22h 50m

London Stansted

Fri 25/9

12:25-14:40

2 stops34h 15m

£592

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 16/9

16:45-23:20

3 stops22h 35m

London Stansted

Sun 20/9

11:25-14:40

2 stops35h 15m

£593

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 3/8

11:10-19:25

2 stops24h 15m

London Stansted

Wed 19/8

06:30-00:07

2 stops25h 37m

£594

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

Airlines

Delays

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 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

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.

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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 straight-line distance from San Francisco to London Stansted is 5341.0 mi. By plane, this route typically takes 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?
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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Bedford

Colchester

Harlow

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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.