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 are refreshed on a daily basis.

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

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

The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$487 Cheap Flights from London Stansted Airport to San Francisco in 2025/26

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Find the cheapest flights from London Stansted Airport to San Francisco

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8:10 am - 12:50 pm

STN

SFO

35h 40m2 stops

4:40 pm - 8:15 pm

SFO

STN

20h 35m2 stops

$621Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

2:35 pm - 1:25 pm

STN

SFO

30h 50m2 stops

3:40 pm - 8:00 pm

SFO

STN

20h 20m2 stops

$638Multiple Airlines

Thu, Feb 5 - Mon, Feb 9

2:30 pm - 1:25 pm

STN

SFO

30h 55m2 stops

3:40 pm - 8:15 pm

SFO

STN

20h 35m2 stops

$644Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

12:00 pm - 2:35 pm

STN

SFO

34h 35m2 stops

4:40 pm - 11:20 pm

SFO

STN

22h 40m3 stops

$648Multiple Airlines

Thu, Feb 12 - Thu, Feb 19

8:25 pm - 1:25 pm

STN

SFO

25h 00m2 stops

3:40 pm - 7:40 pm

SFO

STN

20h 00m2 stops

$650Multiple Airlines

Tue, Feb 24 - Wed, Mar 4

8:30 am - 3:35 pm

STN

SFO

15h 05m1 stop

5:20 pm - 5:50 pm

SFO

STN

16h 30m1 stop

$655Multiple Airlines

Wed, Jan 21 - Wed, Jan 28

8:20 am - 2:35 pm

STN

SFO

14h 15m1 stop

4:40 pm - 9:35 pm

SFO

STN

20h 55m1 stop

$657Multiple Airlines

Fri, Jan 16 - Fri, Jan 23

8:30 am - 3:35 pm

STN

SFO

15h 05m1 stop

5:20 pm - 9:20 pm

SFO

STN

20h 00m1 stop

$658Multiple Airlines

Mon, Jan 12 - Mon, Jan 26

7:35 am - 2:35 pm

STN

SFO

15h 00m1 stop

4:40 pm - 3:15 pm

SFO

STN

14h 35m1 stop

$660Multiple Airlines

Mon, Jan 26 - Fri, Jan 30

2:35 pm - 11:50 am

STN

SFO

29h 15m2 stops

1:55 pm - 7:30 pm

SFO

STN

21h 35m2 stops

$664Multiple Airlines

Thu, Feb 26 - Sun, Mar 1

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 3/10

8:10 am-12:50 pm

2 stops35h 40m

San Francisco

Tue 3/17

4:40 pm-8:15 pm

2 stops20h 35m

$621

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 2/5

2:35 pm-1:25 pm

2 stops30h 50m

San Francisco

Mon 2/9

3:40 pm-8:00 pm

2 stops20h 20m

$638

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 2/24

2:30 pm-1:25 pm

2 stops30h 55m

San Francisco

Tue 3/3

3:40 pm-8:15 pm

2 stops20h 35m

$644

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 2/12

12:00 pm-2:35 pm

2 stops34h 35m

San Francisco

Thu 2/19

4:40 pm-11:20 pm

3 stops22h 40m

$648

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 2/24

8:25 pm-1:25 pm

2 stops25h 00m

San Francisco

Wed 3/4

3:40 pm-7:40 pm

2 stops20h 00m

$650

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 1/21

8:30 am-3:35 pm

1 stop15h 05m

San Francisco

Wed 1/28

5:20 pm-5:50 pm

1 stop16h 30m

$655

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Fri 1/16

8:20 am-2:35 pm

1 stop14h 15m

San Francisco

Fri 1/23

4:40 pm-9:35 pm

1 stop20h 55m

$657

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 1/12

8:30 am-3:35 pm

1 stop15h 05m

San Francisco

Mon 1/26

5:20 pm-9:20 pm

1 stop20h 00m

$658

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 1/26

7:35 am-2:35 pm

1 stop15h 00m

San Francisco

Fri 1/30

4:40 pm-3:15 pm

1 stop14h 35m

$660

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 2/26

2:35 pm-11:50 am

2 stops29h 15m

San Francisco

Sun 3/1

1:55 pm-7:30 pm

2 stops21h 35m

$664

Flights are sorted by cheapest round-trip 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 from London Stansted Airport to San Francisco is on a Thursday when prices can be found for as low as $678. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around $747.

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

Our data shows that the cheapest London Stansted Airport to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $682. Flights in the afternoon are often more expensive with an average ticket price of $736.

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 round-trip 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	17h 05m
Direct flights	None

The fastest flight from London Stansted Airport to San Francisco takes 17h 05m

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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How far is London Stansted to San Francisco by plane?
The distance between London Stansted and San Francisco is about 5340.7 mi. Typically, this will take 14h 15m by plane in normal conditions.
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 are refreshed on a daily basis.
How old do you have to be to fly from London Stansted Airport to San Francisco 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 London Stansted Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Bodega Bay

Roseville

Hayward

Calistoga

Big Sur

Santa Clara

Berkeley

Walnut Creek

Daly City

Fremont

Half Moon Bay

Vallejo

Salinas

Livermore

Turlock

Sunnyvale

Why use momondo?

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

Finding the right flight to San Francisco from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for London to San Francisco flights to just show those with flexible booking policies.

How can momondo help me find flights from London to San Francisco?

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 San Francisco from London.

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 not ready to book a flight from London to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.

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Cheap flights from London Stansted Airport to San Francisco from $487

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Big names and deals

Filter for what you want

Filter for what you want

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Price Alerts

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Find the cheapest flights from London Stansted Airport to San Francisco

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momondo Fare Finder

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

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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 from London Stansted Airport to San Francisco is on a Thursday when prices can be found for as low as $678. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around $747.

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

When to book flights from London Stansted Airport to San Francisco

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

Direct flights

How far is London Stansted to San Francisco by plane?

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

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

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

Traveling to a place near San Francisco?

Why use momondo?

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

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

How can momondo help me find flights from London to San Francisco?

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

An easier way to manage your San Francisco 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 the United States

Airports servicing California