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

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.

£385 Cheap Flights from London Stansted Airport to San Francisco in 2026/27

Find the cheapest flights from London Stansted Airport to San Francisco

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:20 - 14:50STN London Stansted-SFO San Francisco

31h 30m3 stops Berlin Brandenburg Stockholm Arlanda Kastrup Copenhagen

16:45 - 21:45SFO San Francisco-STN London Stansted

21h 00m2 stops Kastrup Copenhagen Berlin Brandenburg

£417Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

15:20 - 14:50STN London Stansted-SFO San Francisco

31h 30m3 stops Berlin Brandenburg Stockholm Arlanda Kastrup Copenhagen

16:45 - 21:45SFO San Francisco-STN London Stansted

21h 00m3 stops Kastrup Copenhagen Stockholm Arlanda Berlin Brandenburg

£421Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

11:35 - 14:50STN London Stansted-SFO San Francisco

35h 15m2 stops Stockholm Arlanda Kastrup Copenhagen

16:45 - 18:35SFO San Francisco-STN London Stansted

17h 50m2 stops Kastrup Copenhagen Stockholm Arlanda

£426Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

08:15 - 14:50STN London Stansted-SFO San Francisco

14h 35m1 stop Kastrup Copenhagen

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

23h 00m1 stop Kastrup Copenhagen

£431Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

06:45 - 14:50STN London Stansted-SFO San Francisco

16h 05m1 stop Kastrup Copenhagen

16:45 - 18:00SFO San Francisco-STN London Stansted

17h 15m2 stops Kastrup Copenhagen Stockholm Arlanda

£437Multiple Airlines

Mon, 9 Nov - Mon, 16 Nov

19:00 - 11:45STN London Stansted-SFO San Francisco

24h 45m2 stops Stockholm Arlanda Amsterdam Schiphol

13:50 - 20:25SFO San Francisco-STN London Stansted

22h 35m2 stops Amsterdam Schiphol Stockholm Arlanda

£453Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

19:00 - 11:45STN London Stansted-SFO San Francisco

24h 45m2 stops Stockholm Arlanda Amsterdam Schiphol

13:50 - 20:25SFO San Francisco-STN London Stansted

22h 35m2 stops Amsterdam Schiphol Stockholm Arlanda

£457Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

19:10 - 16:30STN London Stansted-SFO San Francisco

29h 20m2 stops Barcelona-El Prat Zurich

14:45 - 23:20SFO San Francisco-STN London Stansted

24h 35m2 stops Frankfurt am Main Barcelona-El Prat

£460Multiple Airlines

Thu, 12 Nov - Thu, 26 Nov

11:50 - 14:50STN London Stansted-SFO San Francisco

35h 00m2 stops Dublin Kastrup Copenhagen

16:45 - 23:05SFO San Francisco-STN London Stansted

22h 20m3 stops Kastrup Copenhagen Stockholm Arlanda Dublin

£460Multiple Airlines

Sat, 21 Nov - Sat, 5 Dec

08:20 - 11:45STN London Stansted-SFO San Francisco

35h 25m2 stops Stockholm Arlanda Amsterdam Schiphol

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

22h 50m2 stops Amsterdam Schiphol Stockholm Arlanda

£462Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

17:40 - 12:50STN London Stansted-SFO San Francisco

27h 10m2 stops Milan Malpensa Paris Charles de Gaulle

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

23h 00m2 stops Paris Charles de Gaulle Milan Malpensa

£502Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

17:40 - 12:50STN London Stansted-SFO San Francisco

27h 10m2 stops Milan Malpensa Paris Charles de Gaulle

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

23h 00m2 stops Paris Charles de Gaulle Milan Malpensa

£503Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

17:40 - 12:50STN London Stansted-SFO San Francisco

27h 10m2 stops Milan Malpensa Paris Charles de Gaulle

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

23h 00m2 stops Paris Charles de Gaulle Milan Malpensa

£507Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

17:40 - 12:50STN London Stansted-SFO San Francisco

27h 10m2 stops Milan Malpensa Paris Charles de Gaulle

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

23h 00m2 stops Paris Charles de Gaulle Milan Malpensa

£508Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

17:40 - 12:50STN London Stansted-SFO San Francisco

27h 10m2 stops Milan Malpensa Paris Charles de Gaulle

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

23h 00m2 stops Paris Charles de Gaulle Milan Malpensa

£515Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

17:40 - 12:50STN London Stansted-SFO San Francisco

27h 10m2 stops Milan Malpensa Paris Charles de Gaulle

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

23h 00m2 stops Paris Charles de Gaulle Milan Malpensa

£517Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

17:40 - 12:50STN London Stansted-SFO San Francisco

27h 10m2 stops Milan Malpensa Paris Charles de Gaulle

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

23h 00m2 stops Paris Charles de Gaulle Milan Malpensa

£522Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

20:15 - 14:30STN London Stansted-SFO San Francisco

26h 15m2 stops Milan Malpensa Frankfurt am Main

16:30 - 00:10SFO San Francisco-STN London Stansted

23h 40m2 stops Frankfurt am Main Milan Malpensa

£619Multiple Airlines

Sun, 27 Sep - Wed, 30 Sep

12:30 - 14:35STN London Stansted-SFO San Francisco

34h 05m2 stops Madrid Barajas Lisbon Humberto Delgado

16:35 - 20:20SFO San Francisco-STN London Stansted

19h 45m2 stops Lisbon Humberto Delgado Madrid Barajas

£628Multiple Airlines

Tue, 29 Sep - Wed, 14 Oct

10:15 - 19:00STN London Stansted-SFO San Francisco

16h 45m1 stop Munich Franz Josef Strauss

21:05 - 15:35SFO San Francisco-STN London Stansted

34h 30m1 stop Munich Franz Josef Strauss

£1,251Lufthansa

Sun, 27 Sep - Fri, 2 Oct

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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 London Stansted - SFO San Francisco

STNSFO

London Stansted

Tue 10/11

15:20-14:50

3 stops31h 30m

San Francisco

Tue 17/11

16:45-21:45

2 stops21h 00m

£417

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Tue 10/11

15:20-14:50

3 stops31h 30m

San Francisco

Tue 17/11

16:45-21:45

3 stops21h 00m

£421

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Wed 4/11

11:35-14:50

2 stops35h 15m

San Francisco

Wed 11/11

16:45-18:35

2 stops17h 50m

£426

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Wed 4/11

08:15-14:50

1 stop14h 35m

San Francisco

Wed 11/11

16:45-23:45

1 stop23h 00m

£431

Fastest return journey

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Mon 9/11

06:45-14:50

1 stop16h 05m

San Francisco

Mon 16/11

16:45-18:00

2 stops17h 15m

£437

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Thu 5/11

19:00-11:45

2 stops24h 45m

San Francisco

Thu 12/11

13:50-20:25

2 stops22h 35m

£453

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Thu 5/11

19:00-11:45

2 stops24h 45m

San Francisco

Thu 12/11

13:50-20:25

2 stops22h 35m

£457

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Thu 12/11

19:10-16:30

2 stops29h 20m

San Francisco

Thu 26/11

14:45-23:20

2 stops24h 35m

£460

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Sat 21/11

11:50-14:50

2 stops35h 00m

San Francisco

Sat 5/12

16:45-23:05

3 stops22h 20m

£460

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Tue 6/10

08:20-11:45

2 stops35h 25m

San Francisco

Tue 13/10

13:45-20:35

2 stops22h 50m

£462

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

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 Wednesday when prices can be found for as low as £593. 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 £676. 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 £610. Try not to purchase tickets at midday because they tend to be around £660. 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

Best price found	£385
Fastest flight time	15h 20m
Direct flights	None

The best one-way flight to San Francisco from London Stansted Airport in the past 72 hours is £385. The best return flight deal from London Stansted Airport to San Francisco found on momondo in the last 72 hours is £417.

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.

Search flight deals

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.

South San Francisco

Santa Cruz

Sunnyvale

Calistoga

Carmel-by-the-Sea

Rohnert Park

Windsor

Burlingame

Belmont

Big Sur

Sausalito

San Bruno

Pacific Grove

Aptos

Mill Valley

Newark

Palo Alto

Campbell

Seaside

Roseville

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.