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

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

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

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

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

Turkish Airlines is the most popular carrier operating from London Stansted to San Francisco

How often are flights from London to San Francisco delayed?

Historically, on average around 50% of flights between London and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 57 minutes.

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

Prices for flights from London Stansted Airport to San Francisco Airport were last updated today.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Stansted Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£387 Cheap Flights from London Stansted Airport to San Francisco in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from London Stansted Airport to San Francisco

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:45 - 13:15

STN

SFO

28h 30m

2 stops

15:15 - 00:45

SFO

STN

25h 30m

2 stops

£486Multiple Airlines

Wed, 13 May - Sun, 17 May

09:25 - 13:15

STN

SFO

35h 50m

2 stops

15:15 - 00:45

SFO

STN

25h 30m

2 stops

£491Multiple Airlines

Mon, 11 May - Sun, 17 May

11:25 - 14:40

STN

SFO

35h 15m

2 stops

16:45 - 22:20

SFO

STN

21h 35m

2 stops

£511Multiple Airlines

Sun, 3 May - Sun, 10 May

06:30 - 15:50

STN

SFO

17h 20m

1 stop

17:40 - 23:25

SFO

STN

21h 45m

1 stop

£516Multiple Airlines

Thu, 14 May - Sun, 17 May

06:30 - 15:55

STN

SFO

17h 25m

1 stop

17:40 - 23:20

SFO

STN

21h 40m

1 stop

£521Multiple Airlines

Wed, 6 May - Wed, 13 May

08:30 - 15:50

STN

SFO

15h 20m

1 stop

17:40 - 17:35

SFO

STN

15h 55m

1 stop

£528Multiple Airlines

Thu, 7 May - Wed, 13 May

06:30 - 15:50

STN

SFO

17h 20m

1 stop

17:40 - 17:35

SFO

STN

15h 55m

1 stop

£528Multiple Airlines

Thu, 7 May - Tue, 19 May

06:30 - 15:55

STN

SFO

17h 25m

1 stop

17:35 - 19:20

SFO

STN

17h 45m

1 stop

£531Multiple Airlines

Wed, 3 Jun - Fri, 12 Jun

06:30 - 15:55

STN

SFO

17h 25m

1 stop

17:40 - 19:30

SFO

STN

17h 50m

1 stop

£532Multiple Airlines

Wed, 27 May - Wed, 3 Jun

08:30 - 15:50

STN

SFO

15h 20m

1 stop

17:35 - 17:05

SFO

STN

15h 30m

1 stop

£533Multiple Airlines

Mon, 1 Jun - Mon, 8 Jun

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Turkish Airlines flights from London Stansted Airport to San Francisco

Our best Turkish Airlines deals on London Stansted Airport to San Francisco flight tickets

Turkish Airlines

23 Apr

STN17:35London Stansted

25h 15m

1 stop

SFO10:50San Francisco

1 May

SFO12:55San Francisco

25h 15m

1 stop

STN22:10London Stansted

£700

Turkish Airlines

27 Apr

STN10:50London Stansted

37h 50m

1 stop

SFO16:40San Francisco

1 May

SFO12:55San Francisco

25h 15m

1 stop

STN22:10London Stansted

£705

Turkish Airlines

25 Apr

STN10:50London Stansted

37h 50m

1 stop

SFO16:40San Francisco

2 May

SFO18:45San Francisco

31h 10m

1 stop

STN09:55London Stansted

£708

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 13/5

16:45-13:15

2 stops28h 30m

San Francisco

Sun 17/5

15:15-00:45

2 stops25h 30m

£486

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 11/5

09:25-13:15

2 stops35h 50m

San Francisco

Sun 17/5

15:15-00:45

2 stops25h 30m

£491

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 3/5

11:25-14:40

2 stops35h 15m

San Francisco

Sun 10/5

16:45-22:20

2 stops21h 35m

£511

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 14/5

06:30-15:50

1 stop17h 20m

San Francisco

Sun 17/5

17:40-23:25

1 stop21h 45m

£516

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 6/5

06:30-15:55

1 stop17h 25m

San Francisco

Wed 13/5

17:40-23:20

1 stop21h 40m

£521

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 7/5

08:30-15:50

1 stop15h 20m

San Francisco

Wed 13/5

17:40-17:35

1 stop15h 55m

£528

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 7/5

06:30-15:50

1 stop17h 20m

San Francisco

Tue 19/5

17:40-17:35

1 stop15h 55m

£528

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 3/6

06:30-15:55

1 stop17h 25m

San Francisco

Fri 12/6

17:35-19:20

1 stop17h 45m

£531

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 27/5

06:30-15:55

1 stop17h 25m

San Francisco

Wed 3/6

17:40-19:30

1 stop17h 50m

£532

Fastest return journey

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 1/6

08:30-15:50

1 stop15h 20m

San Francisco

Mon 8/6

17:35-17:05

1 stop15h 30m

£533

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 London Stansted Airport to San Francisco

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

Prices

Airlines

Delays

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £559. This is often the case because there is less demand to fly during this day of the week. Flights from London Stansted Airport to San Francisco on a Sunday will generally be more expensive and average around £654. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Francisco?

Our most recent data shows that the best time of day to fly to San Francisco is in the morning. Flights from London Stansted Airport to San Francisco during this time can be as low as £561. Try not to purchase tickets at midday because they tend to be around £792. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from London Stansted Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Stansted Airport to San Francisco (STN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Stansted Airport to San Francisco

Fastest flight time	15h 20m
Direct flights	None

The fastest flight from London Stansted Airport to San Francisco takes 15h 20m

There are no direct flights from London Stansted Airport to San Francisco. There are no popular flight routes from London Stansted Airport to San Francisco.

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

How far is London Stansted to San Francisco by plane?
The distance between London Stansted and San Francisco is about 5341.0 mi. In terms of flight time, this usually takes a little over 15h 20m.
When did momondo last update prices for flights from London Stansted Airport to San Francisco Airport?
Prices for flights from London Stansted Airport to San Francisco Airport were last updated today.
How old do you have to be to fly from London Stansted Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Stansted Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Sunnyvale

Santa Clara

Santa Cruz

Rohnert Park

Seaside

Big Sur

Newark

Campbell

Palo Alto

South San Francisco

Capitola

Roseville

Novato

Sausalito

San Bruno

Woodland

Pacific Grove

Aptos

Daly City

Burlingame

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from London to San Francisco 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 London to San Francisco?

Once all potential London to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from London and alert you when they change.