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 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 which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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.

$503 Cheap Flights from San Francisco to London Stansted Airport in 2026

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2:40 pm - 4:50 pm

SFO

STN

18h 10m

2 stops

6:55 pm - 2:35 pm

STN

SFO

27h 40m

2 stops

$867Multiple Airlines

Mon, Aug 24 - Tue, Sep 1

6:00 am - 10:50 pm

SFO

STN

32h 50m

3 stops

10:00 pm - 9:55 pm

STN

SFO

31h 55m

3 stops

$874Multiple Airlines

Wed, Jul 8 - Wed, Jul 22

6:40 am - 10:25 pm

SFO

STN

31h 45m

3 stops

6:55 pm - 2:35 pm

STN

SFO

27h 40m

2 stops

$877Multiple Airlines

Mon, Aug 24 - Tue, Sep 1

5:35 pm - 5:35 pm

SFO

STN

16h 00m

1 stop

6:20 pm - 2:30 pm

STN

SFO

28h 10m

2 stops

$878Multiple Airlines

Fri, Aug 21 - Wed, Aug 26

6:45 pm - 4:40 pm

SFO

STN

37h 55m

1 stop

5:20 pm - 4:45 pm

STN

SFO

31h 25m

1 stop

$879Turkish Airlines

Tue, Aug 18 - Thu, Nov 19

6:45 pm - 4:40 pm

SFO

STN

37h 55m

1 stop

10:50 am - 4:40 pm

STN

SFO

37h 50m

1 stop

$880Turkish Airlines

Wed, Sep 16 - Wed, Sep 23

5:35 pm - 2:40 pm

SFO

STN

13h 05m

1 stop

9:30 pm - 2:30 pm

STN

SFO

25h 00m

2 stops

$881Multiple Airlines

Mon, Aug 24 - Wed, Sep 9

5:35 pm - 5:05 pm

SFO

STN

15h 30m

1 stop

9:25 pm - 5:35 pm

STN

SFO

28h 10m

2 stops

$882Multiple Airlines

Mon, Aug 10 - Fri, Aug 28

8:10 am - 2:35 pm

SFO

STN

22h 25m

2 stops

6:55 pm - 2:35 pm

STN

SFO

27h 40m

2 stops

$883Multiple Airlines

Tue, Sep 1 - Tue, Sep 15

6:00 am - 1:25 pm

SFO

STN

23h 25m

3 stops

10:45 pm - 9:55 pm

STN

SFO

31h 10m

3 stops

$884Multiple Airlines

Tue, Sep 8 - Wed, Sep 23

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

Aug 18

SFO6:45 pmSan Francisco

37h 55m

1 stop

STN4:40 pmLondon Stansted

Nov 19

STN5:20 pmLondon Stansted

31h 25m

1 stop

SFO4:45 pmSan Francisco

$879

Turkish Airlines

Sep 16

SFO6:45 pmSan Francisco

37h 55m

1 stop

STN4:40 pmLondon Stansted

Sep 23

STN10:50 amLondon Stansted

37h 50m

1 stop

SFO4:40 pmSan Francisco

$880

Turkish Airlines

Aug 18

SFO6:45 pmSan Francisco

37h 55m

1 stop

STN4:40 pmLondon Stansted

Sep 8

STN5:35 pmLondon Stansted

31h 05m

1 stop

SFO4:40 pmSan Francisco

$898

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 8/24

2:40 pm-4:50 pm

2 stops18h 10m

London Stansted

Tue 9/1

6:55 pm-2:35 pm

2 stops27h 40m

$867

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 7/8

6:00 am-10:50 pm

3 stops32h 50m

London Stansted

Wed 7/22

10:00 pm-9:55 pm

3 stops31h 55m

$874

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 8/24

6:40 am-10:25 pm

3 stops31h 45m

London Stansted

Tue 9/1

6:55 pm-2:35 pm

2 stops27h 40m

$877

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Fri 8/21

5:35 pm-5:35 pm

1 stop16h 00m

London Stansted

Wed 8/26

6:20 pm-2:30 pm

2 stops28h 10m

$878

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 8/18

6:45 pm-4:40 pm

1 stop37h 55m

London Stansted

Thu 11/19

5:20 pm-4:45 pm

1 stop31h 25m

$879

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 9/16

6:45 pm-4:40 pm

1 stop37h 55m

London Stansted

Wed 9/23

10:50 am-4:40 pm

1 stop37h 50m

$880

Quickest round-trip

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 8/24

5:35 pm-2:40 pm

1 stop13h 05m

London Stansted

Wed 9/9

9:30 pm-2:30 pm

2 stops25h 00m

$881

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 8/10

5:35 pm-5:05 pm

1 stop15h 30m

London Stansted

Fri 8/28

9:25 pm-5:35 pm

2 stops28h 10m

$882

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 9/1

8:10 am-2:35 pm

2 stops22h 25m

London Stansted

Tue 9/15

6:55 pm-2:35 pm

2 stops27h 40m

$883

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 9/8

6:00 am-1:25 pm

3 stops23h 25m

London Stansted

Wed 9/23

10:45 pm-9:55 pm

3 stops31h 10m

$884

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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 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 50m
Direct flights	None

The fastest flight from San Francisco to London Stansted Airport takes 12h 50m

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 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.

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Croydon

Stansted

Watford

Harrow

Brentwood

Dartford

Ilford

Cobham

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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Cheap flights from San Francisco to London from $503

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 6/5. 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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Turkish Airlines flights from San Francisco to London Stansted Airport

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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.

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How to get the cheapest flight ticket from San Francisco to London Stansted Airport

What is the cheapest airline that flies from San Francisco to London Stansted?

How often are flights from San Francisco to London delayed?

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

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying from San Francisco to London Stansted Airport

Traveling to a place near London?

Why use momondo?

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

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According to popular flight searches on momondo this year

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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