How long is the flight from London Stansted Airport to San Francisco?

Departing from London Stansted Airport to San Francisco will take you 31h 10m. There are 5350 mi between London Stansted Airport and San Francisco.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from STN to SFO?

When flying from London Stansted Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to San Francisco from London Stansted?

San Francisco (SFO), located 11.0 mi from the city center, is the airport you fly into when you book flights from London Stansted to San Francisco. 0 airlines have flights to San Francisco from London Stansted on a regular basis. Booking flights from London Stansted to San Francisco should not be difficult; the airport handles an average of 0 inbound flights from London Stansted per day.

Can I find deals for flights from Stansted to San Francisco that include hotel bookings?

Yes. In addition to deals on Stansted to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Stansted to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to San Francisco.

Can I find deals for business class flights from Stansted to San Francisco?

Yes. Cheapflights offers flight deals from Stansted to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£408+ Cheap Flights from London Stansted Airport to San Francisco

Cheap flight deals from Stansted to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Stansted to San Francisco
Explore the most affordable flight options available from Stansted to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Tue 17/1112:05 -

2 stops34h 45m

Tue 24/1116:45 -

2 stops21h 05m

Deal found 3/10£458

Tue 1/1214:30 -

2 stops32h 20m

Wed 9/1216:45 -

2 stops22h 35m

Deal found 29/9£463

Mon 23/1110:50 -

2 stops36h 00m

Mon 30/1116:45 -

2 stops21h 10m

Deal found 30/9£476

Sat 31/1011:50 -

2 stops35h 00m

Thu 5/1116:45 -

2 stops22h 30m

Deal found 29/9£484

Mon 9/1108:10 -

2 stops35h 35m

Mon 16/1113:50 -

2 stops20h 10m

Deal found 29/9£485

Wed 18/1114:30 -

2 stops32h 20m

Mon 30/1116:45 -

2 stops21h 10m

Deal found 30/9£487

Wed 14/1016:30 -

2 stops30h 10m

Wed 21/1016:45 -

2 stops22h 35m

Deal found 28/9£490

Fri 20/1118:20 -

2 stops26h 50m

Sat 28/1115:05 -

2 stops23h 55m

Deal found 1/10£501

Thu 12/1114:00 -

2 stops32h 50m

Thu 26/1116:45 -

2 stops22h 30m

Deal found 1/10£503

Mon 9/1117:55 -

2 stops27h 00m

Mon 23/1113:50 -

2 stops20h 10m

Deal found 30/9£504

Mon 16/1114:05 -

2 stops32h 45m

Mon 23/1116:45 -

2 stops21h 10m

Deal found 2/10£504

Find flight deals from Stansted to San Francisco

Round-trip from	£458
One-way from	£408
Popular in	December
Cheapest in	February
Average price	£512

17/11-24/11
4 total stops
55h 50m total
London to San Francisco

Search Deals

11/10-31/12
3 total stops
55h 38m total
London to San Francisco

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights 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

Cheapest return flight

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Sun 25/10

11:50-15:25

2 stops34h 35m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£469

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Sun 29/11

06:25-20:10

2 stops21h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£515

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Fri 27/11

22:25-20:10

3 stops53h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£540

Fastest return journey

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Wed 28/10

06:10-16:35

1 stop17h 25m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£562

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Fri 20/11

16:00-11:45

1 stop27h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£577

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Thu 29/10

16:55-16:35

1 stop30h 40m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£605

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Thu 8/10

17:35-16:40

1 stop31h 05m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£783

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Wed 28/10

10:55-17:30

1 stop37h 35m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£785

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Tue 27/10

17:20-17:30

1 stop31h 10m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£785

LondonSan Francisco

STN London Stansted - SFO San Francisco

STNSFO

London Stansted

Tue 24/11

17:20-16:30

1 stop31h 10m

San Francisco

Wed 9/12

18:35-09:55

1 stop31h 20m

£790

Flights are sorted by cheapest return flights first.

Deals found on 2/10

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Stansted to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Stansted with our price prediction graph.

STN-SFO

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to San Francisco from London Stansted?
San Francisco (SFO), located 11.0 mi from the city center, is the airport you fly into when you book flights from London Stansted to San Francisco. 0 airlines have flights to San Francisco from London Stansted on a regular basis. Booking flights from London Stansted to San Francisco should not be difficult; the airport handles an average of 0 inbound flights from London Stansted per day.
How long is the flight from London Stansted Airport to San Francisco?
Departing from London Stansted Airport to San Francisco will take you 31h 10m. There are 5350 mi between London Stansted Airport and San Francisco.
Can I find deals for flights from Stansted to San Francisco that include hotel bookings?
Yes. In addition to deals on Stansted to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Stansted to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to San Francisco.
Can I find deals for business class flights from Stansted to San Francisco?
Yes. Cheapflights offers flight deals from Stansted to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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How does Cheapflights help users find flights from Stansted to San Francisco?

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Why should you use Cheapflights to find cheap flight tickets from Stansted to San Francisco?

Cheapflights simply makes it quick and affordable to book flights from Stansted to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Stansted to San Francisco with no change fees?

Need flexible booking options for your flight to San Francisco from Stansted? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Stansted to San Francisco become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Stansted today and book when prices fit your budget.

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Cheap flights from London Stansted Airport to San Francisco from £408

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to San Francisco

Cheapest flights from Stansted to San FranciscoExplore the most affordable flight options available from Stansted to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Explore the most affordable flight options available from Stansted to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Best flights from Stansted to San FranciscoDiscover carefully curated flight deals from Stansted to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Discover carefully curated flight deals from Stansted to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Last-minute flights from Stansted to San FranciscoDiscover last-minute flight deals from Stansted to San Francisco. Data last updated 3 October 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to San Francisco. Data last updated 3 October 2026 and is based on user searches.

One-way flights from Stansted to San FranciscoSearch for one-way flight options from Stansted to San Francisco. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.

Search for one-way flight options from Stansted to San Francisco. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.

Find flight deals from Stansted to San Francisco

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Cheapflights Fare Finder

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

Best time to book a flight from Stansted to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Stansted with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to San Francisco from London Stansted?

How long is the flight from London Stansted Airport to San Francisco?

Can I find deals for flights from Stansted to San Francisco that include hotel bookings?

How can I find direct flights from Stansted to San Francisco?

Can I find deals for business class flights from Stansted to San Francisco?

Travelling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Stansted to San Francisco

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Complete your trip

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Direct flights to California

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Search flights from Stansted to San Francisco by cabin class

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Stansted and San Francisco flights

Browse other Stansted and San Francisco flight options. Last updated on 3 October 2026.

Other flights from Stansted

Browse through other flights departing from Stansted. Flights are based on user searches made on Cheapflights and were last updated on 3 October 2026.

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How does Cheapflights help users find flights from Stansted to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Stansted to San Francisco?

Can Cheapflights find flights from Stansted to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Stansted to San Francisco become cheaper?

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Cheapest flights from Stansted to San Francisco
Explore the most affordable flight options available from Stansted to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2026.

Best flights from Stansted to San Francisco
Discover carefully curated flight deals from Stansted to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Last-minute flights from Stansted to San Francisco
Discover last-minute flight deals from Stansted to San Francisco. Data last updated 3 October 2026 and is based on user searches.

One-way flights from Stansted to San Francisco
Search for one-way flight options from Stansted to San Francisco. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.