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.

$474 Cheap Flights from London Stansted Airport to San Francisco in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Stansted Airport to San Francisco

Round-trip

One-way

Last minute

Cheap round-trip flights

2:50 pm - 4:30 pmSTN-SFO

33h 40m2 stops

7:40 pm - 9:00 pmSFO-STN

17h 20m2 stops

$576

Find Deal

Thu, Sep 25 - Mon, Sep 29

5:00 pm - 4:10 pmSTN-SFO

30h 10m3 stops

9:30 pm - 9:20 pmSFO-STN

16h 50m2 stops

$583

Find Deal

Mon, Oct 27 - Thu, Oct 30

5:00 pm - 4:10 pmSTN-SFO

30h 10m3 stops

9:30 pm - 9:20 pmSFO-STN

16h 50m2 stops

$586

Find Deal

Mon, Oct 27 - Thu, Oct 30

1:45 pm - 2:35 pmSTN-SFO

32h 50m2 stops

4:40 pm - 11:20 pmSFO-STN

22h 40m2 stops

$588

Find Deal

Thu, Nov 20 - Thu, Nov 27

5:00 pm - 4:10 pmSTN-SFO

30h 10m3 stops

9:30 pm - 9:20 pmSFO-STN

16h 50m2 stops

$590

Find Deal

Mon, Oct 27 - Thu, Oct 30

6:40 am - 10:55 amSTN-SFO

36h 15m2 stops

8:10 pm - 9:45 pmSFO-STN

17h 35m1 stop

$591

Find Deal

Thu, Oct 16 - Sun, Oct 19

5:00 pm - 4:10 pmSTN-SFO

30h 10m3 stops

9:30 pm - 9:20 pmSFO-STN

16h 50m2 stops

$594

Find Deal

Mon, Oct 27 - Thu, Oct 30

3:15 pm - 4:10 pmSTN-SFO

31h 55m2 stops

9:30 pm - 11:20 pmSFO-STN

18h 50m2 stops

$618

Find Deal

Mon, Oct 27 - Thu, Oct 30

7:50 pm - 7:00 pmSTN-SFO

31h 10m1 stop

2:00 pm - 7:00 pmSFO-STN

21h 00m1 stop

$645Lufthansa

Find Deal

Mon, Sep 22 - Tue, Sep 30

7:50 pm - 7:00 pmSTN-SFO

31h 10m1 stop

1:02 pm - 7:00 pmSFO-STN

21h 58m2 stops

$649Lufthansa

Find Deal

Mon, Sep 22 - Tue, Sep 30

Lufthansa flights from London Stansted Airport to San Francisco

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

Lufthansa

Sep 22

STN7:50 pmLondon Stansted

31h 10m

1 stop

SFO7:00 pmSan Francisco

Sep 30

SFO2:00 pmSan Francisco

21h 00m

1 stop

STN7:00 pmLondon Stansted

$645

Find similar

Lufthansa

Sep 22

STN7:50 pmLondon Stansted

31h 10m

1 stop

SFO7:00 pmSan Francisco

Sep 30

SFO1:02 pmSan Francisco

21h 58m

2 stops

STN7:00 pmLondon Stansted

$649

Find similar

Lufthansa

Sep 22

STN7:50 pmLondon Stansted

24h 50m

2 stops

SFO12:40 pmSan Francisco

Sep 30

SFO1:02 pmSan Francisco

21h 58m

2 stops

STN7:00 pmLondon Stansted

$673

Find similar

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

Thu 9/25

2:50 pm-4:30 pm

2 stops33h 40m

San Francisco

Mon 9/29

7:40 pm-9:00 pm

2 stops17h 20m

$576

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 10/27

5:00 pm-4:10 pm

3 stops30h 10m

San Francisco

Thu 10/30

9:30 pm-9:20 pm

2 stops16h 50m

$583

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 10/27

5:00 pm-4:10 pm

3 stops30h 10m

San Francisco

Thu 10/30

9:30 pm-9:20 pm

2 stops16h 50m

$586

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 11/20

1:45 pm-2:35 pm

2 stops32h 50m

San Francisco

Thu 11/27

4:40 pm-11:20 pm

2 stops22h 40m

$588

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 10/27

5:00 pm-4:10 pm

3 stops30h 10m

San Francisco

Thu 10/30

9:30 pm-9:20 pm

2 stops16h 50m

$590

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 10/16

6:40 am-10:55 am

2 stops36h 15m

San Francisco

Sun 10/19

8:10 pm-9:45 pm

1 stop17h 35m

$591

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 10/27

5:00 pm-4:10 pm

3 stops30h 10m

San Francisco

Thu 10/30

9:30 pm-9:20 pm

2 stops16h 50m

$594

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 10/27

3:15 pm-4:10 pm

2 stops31h 55m

San Francisco

Thu 10/30

9:30 pm-11:20 pm

2 stops18h 50m

$618

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 9/22

7:50 pm-7:00 pm

1 stop31h 10m

San Francisco

Tue 9/30

2:00 pm-7:00 pm

1 stop21h 00m

$645

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 9/22

7:50 pm-7:00 pm

1 stop31h 10m

San Francisco

Tue 9/30

1:02 pm-7:00 pm

2 stops21h 58m

$649

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 $640. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $750.

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 $718.

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.

Search flight deals

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 35m 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

Big Sur

Santa Clara

Daly City

Fremont

Berkeley

Walnut Creek

Half Moon Bay

Vallejo

South San Francisco

Redwood City

Fairfield

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 10/11

Sat 10/18

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing California

Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $51

Flights to Chicagofrom $49

Flights to Orlandofrom $51

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $60

Flights to Atlantafrom $51

Flights to Dallasfrom $63

Flights to Seattlefrom $78

Flights to Denverfrom $51

Cheap flights from London Stansted Airport to San Francisco from $474

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Stansted Airport to San Francisco

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Lufthansa flights from London Stansted Airport to San Francisco

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

momondo Fare Finder

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

See travel insights to San Francisco from

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 $640. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $750.

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