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.

£245 Cheap Flights from London Stansted Airport to San Francisco in 2025

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Find the cheapest flights from London Stansted Airport to San Francisco

Round-trip

One-way

Last minute

Cheap return flights

14:45 - 16:30STN-SFO

33h 45m2 stops

19:40 - 22:55SFO-STN

19h 15m2 stops

£426

Find Deal

Tue, 9 Sep - Tue, 16 Sep

14:45 - 16:30STN-SFO

33h 45m2 stops

19:40 - 21:15SFO-STN

17h 35m2 stops

£426

Find Deal

Tue, 9 Sep - Tue, 16 Sep

14:45 - 16:30STN-SFO

33h 45m2 stops

19:40 - 21:15SFO-STN

17h 35m2 stops

£429

Find Deal

Tue, 2 Sep - Sun, 7 Sep

11:25 - 14:35STN-SFO

35h 10m2 stops

18:45 - 00:10SFO-STN

21h 25m3 stops

£449

Find Deal

Tue, 9 Sep - Tue, 16 Sep

22:05 - 14:30STN-SFO

24h 25m2 stops

16:30 - 21:25SFO-STN

20h 55m2 stops

£456

Find Deal

Tue, 2 Sep - Wed, 10 Sep

08:15 - 15:55STN-SFO

15h 40m1 stop

17:40 - 14:20SFO-STN

12h 40m1 stop

£462

Find Deal

Tue, 9 Sep - Tue, 16 Sep

08:15 - 15:55STN-SFO

15h 40m1 stop

17:40 - 14:20SFO-STN

12h 40m1 stop

£463

Find Deal

Tue, 9 Sep - Tue, 16 Sep

08:15 - 15:55STN-SFO

15h 40m1 stop

17:40 - 22:55SFO-STN

21h 15m1 stop

£464

Find Deal

Wed, 3 Sep - Tue, 9 Sep

06:25 - 15:55STN-SFO

17h 30m1 stop

17:40 - 18:20SFO-STN

16h 40m1 stop

£467

Find Deal

Mon, 8 Sep - Mon, 15 Sep

21:45 - 14:35STN-SFO

24h 50m2 stops

18:45 - 00:10SFO-STN

21h 25m3 stops

£470

Find Deal

Tue, 2 Sep - Tue, 9 Sep

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

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/9

14:45-16:30

2 stops33h 45m

San Francisco

Tue 16/9

19:40-22:55

2 stops19h 15m

£426

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/9

14:45-16:30

2 stops33h 45m

San Francisco

Tue 16/9

19:40-21:15

2 stops17h 35m

£426

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 2/9

14:45-16:30

2 stops33h 45m

San Francisco

Sun 7/9

19:40-21:15

2 stops17h 35m

£429

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/9

11:25-14:35

2 stops35h 10m

San Francisco

Tue 16/9

18:45-00:10

3 stops21h 25m

£449

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 2/9

22:05-14:30

2 stops24h 25m

San Francisco

Wed 10/9

16:30-21:25

2 stops20h 55m

£456

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/9

08:15-15:55

1 stop15h 40m

San Francisco

Tue 16/9

17:40-14:20

1 stop12h 40m

£462

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/9

08:15-15:55

1 stop15h 40m

San Francisco

Tue 16/9

17:40-14:20

1 stop12h 40m

£463

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 3/9

08:15-15:55

1 stop15h 40m

San Francisco

Tue 9/9

17:40-22:55

1 stop21h 15m

£464

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 8/9

06:25-15:55

1 stop17h 30m

San Francisco

Mon 15/9

17:40-18:20

1 stop16h 40m

£467

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 2/9

21:45-14:35

2 stops24h 50m

San Francisco

Tue 9/9

18:45-00:10

3 stops21h 25m

£470

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

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 Tuesday when prices can be found for as low as £557. 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 £628. 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 evening. Flights from London Stansted Airport to San Francisco during this time can be as low as £479. Try not to purchase tickets at midday because they tend to be around £931. 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	£245
Fastest flight time	15h 40m
Direct flights	None
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from London Stansted Airport in the past 72 hours is £245. The best return flight deal from London Stansted Airport to San Francisco found on momondo in the last 72 hours is £426.

The fastest flight from London Stansted Airport to San Francisco takes 15h 40m

There are no direct flights from London Stansted Airport to San Francisco. Popular non-direct route for this connection is London Stansted Airport - San Francisco Airport.

There is 1 airport near San Francisco: San Francisco (SFO)

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How far is London Stansted to San Francisco by plane?
The distance between London Stansted and San Francisco is about 5340.7 mi. In terms of flight time, this usually takes a little over 15h 40m.
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.

Carmel-by-the-Sea

Santa Clara

Seaside

Vacaville

Salinas

Calistoga

Rohnert Park

Campbell

Bodega Bay

Milpitas

San Ramon

South San Francisco

Brentwood

Capitola

Sonoma

Millbrae

San Bruno

Sausalito

Woodland

Santa Cruz

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.