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.

$494 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 round-trip flights

1:15 pm - 4:30 pmSTN-SFO

35h 15m2 stops

7:40 pm - 9:15 pmSFO-STN

17h 35m2 stops

$569

Find Deal

Wed, Oct 15 - Sun, Oct 19

1:10 pm - 4:30 pmSTN-SFO

35h 20m2 stops

7:40 pm - 10:55 pmSFO-STN

19h 15m2 stops

$575

Find Deal

Thu, Sep 11 - Tue, Sep 16

10:05 pm - 11:09 pmSTN-SFO

33h 04m3 stops

8:30 am - 12:40 pmSFO-STN

20h 10m2 stops

$578

Find Deal

Tue, Sep 9 - Tue, Sep 16

11:25 am - 2:35 pmSTN-SFO

35h 10m2 stops

10:15 am - 8:00 pmSFO-STN

25h 45m3 stops

$587

Find Deal

Tue, Sep 23 - Wed, Oct 8

2:45 pm - 4:30 pmSTN-SFO

33h 45m2 stops

7:40 pm - 9:15 pmSFO-STN

17h 35m2 stops

$593

Find Deal

Tue, Sep 9 - Tue, Sep 16

11:25 am - 2:35 pmSTN-SFO

35h 10m2 stops

6:45 pm - 12:10 amSFO-STN

21h 25m2 stops

$594

Find Deal

Tue, Sep 9 - Tue, Sep 16

3:30 pm - 3:28 pmSTN-SFO

31h 58m3 stops

8:30 am - 9:40 pmSFO-STN

29h 10m2 stops

$599

Find Deal

Mon, Sep 15 - Mon, Sep 22

10:10 pm - 4:10 pmSTN-SFO

26h 00m2 stops

8:30 am - 11:10 amSFO-STN

18h 40m2 stops

$612

Find Deal

Wed, Oct 8 - Sat, Oct 18

11:10 am - 11:45 amSTN-SFO

32h 35m2 stops

1:45 pm - 8:30 pmSFO-STN

22h 45m2 stops

$613

Find Deal

Wed, Sep 10 - Tue, Sep 23

11:25 am - 2:35 pmSTN-SFO

35h 10m2 stops

7:30 am - 3:10 pmSFO-STN

23h 40m2 stops

$615

Find Deal

Tue, Sep 23 - Wed, Oct 8

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

Wed 10/15

1:15 pm-4:30 pm

2 stops35h 15m

San Francisco

Sun 10/19

7:40 pm-9:15 pm

2 stops17h 35m

$569

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 9/11

1:10 pm-4:30 pm

2 stops35h 20m

San Francisco

Tue 9/16

7:40 pm-10:55 pm

2 stops19h 15m

$575

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/9

10:05 pm-11:09 pm

3 stops33h 04m

San Francisco

Tue 9/16

8:30 am-12:40 pm

2 stops20h 10m

$578

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/23

11:25 am-2:35 pm

2 stops35h 10m

San Francisco

Wed 10/8

10:15 am-8:00 pm

3 stops25h 45m

$587

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/9

2:45 pm-4:30 pm

2 stops33h 45m

San Francisco

Tue 9/16

7:40 pm-9:15 pm

2 stops17h 35m

$593

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/9

11:25 am-2:35 pm

2 stops35h 10m

San Francisco

Tue 9/16

6:45 pm-12:10 am

2 stops21h 25m

$594

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 9/15

3:30 pm-3:28 pm

3 stops31h 58m

San Francisco

Mon 9/22

8:30 am-9:40 pm

2 stops29h 10m

$599

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 10/8

10:10 pm-4:10 pm

2 stops26h 00m

San Francisco

Sat 10/18

8:30 am-11:10 am

2 stops18h 40m

$612

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 9/10

11:10 am-11:45 am

2 stops32h 35m

San Francisco

Tue 9/23

1:45 pm-8:30 pm

2 stops22h 45m

$613

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/23

11:25 am-2:35 pm

2 stops35h 10m

San Francisco

Wed 10/8

7:30 am-3:10 pm

2 stops23h 40m

$615

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 $633. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $755.

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 morning are often more expensive with an average ticket price of $720.

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

Direct flights	None

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 15h 40m 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

Calistoga

Hayward

Bodega Bay

Roseville

Santa Clara

Big Sur

Daly City

Fremont

Berkeley

Walnut Creek

Half Moon Bay

South San Francisco

Vallejo

Redwood City

Pacific Grove

Salinas

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.

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.

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Cheap flights from London Stansted Airport to San Francisco from $523

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Trusted and free

Price Alerts

Price Alerts

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 $633. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $755.

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

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