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Cheap flights from London Stansted Airport to San Francisco from £383

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SFO
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Stansted to San Francisco

Enter your travel dates to find the best prices.

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 21 November 2025.

Tue 25/1106:30STN - SFO
1 stop17h 05mMultiple Airlines
Tue 2/1217:20SFO - STN
1 stop20h 00mMultiple Airlines
Deal found 20/11£461
Mon 8/1206:30STN - SFO
1 stop17h 05mMultiple Airlines
Mon 15/1217:20SFO - STN
1 stop17h 00mMultiple Airlines
Deal found 20/11£471
Wed 26/1106:30STN - SFO
1 stop17h 05mMultiple Airlines
Wed 3/1217:20SFO - STN
1 stop21h 30mMultiple Airlines
Deal found 19/11£474
Sun 23/1106:30STN - SFO
1 stop18h 05mMultiple Airlines
Sun 30/1118:20SFO - STN
1 stop20h 40mMultiple Airlines
Deal found 18/11£479
Tue 23/1206:00STN - SFO
1 stop17h 35mMultiple Airlines
Fri 9/117:20SFO - STN
1 stop17h 00mMultiple Airlines
Deal found 19/11£490
Thu 4/1214:35STN - SFO
2 stops29h 15mMultiple Airlines
Mon 8/1213:55SFO - STN
2 stops22h 05mMultiple Airlines
Deal found 18/11£519
Sun 23/1114:55STN - SFO
2 stops31h 40mMultiple Airlines
Mon 8/1216:35SFO - STN
2 stops22h 05mMultiple Airlines
Deal found 20/11£605
Sun 28/1206:30STN - SFO
1 stop18h 05mMultiple Airlines
Sun 4/118:20SFO - STN
1 stop19h 00mMultiple Airlines
Deal found 19/11£609
Mon 8/1206:30STN - SFO
1 stop17h 05mMultiple Airlines
Fri 12/1217:20SFO - STN
1 stop20h 00mMultiple Airlines
Deal found 20/11£627
Sun 14/1212:35STN - SFO
2 stops34h 00mMultiple Airlines
Tue 6/119:25SFO - STN
2 stops19h 45mMultiple Airlines
Deal found 20/11£628

Cheap flight deals from Stansted to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2025.

Round-trip from

£443

One-way from

£383

Popular in

July

Cheapest in

September

Average price

£467
12/1-26/1
  • 12/1-26/1
  • 2 total stops
  • 35h 05m total
  • London to San Francisco
Search Deals
1/12
  • 1/12
  • 2 total stops
  • 55h 50m total
  • London to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from London Stansted Airport to San Francisco that are best for you.

Fly from

Stansted

Fly to

San Francisco

Route

Depart

Return

Price

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 12/1

08:30-15:35

1 stop15h 05m

San Francisco

Tue 27/1

17:20-21:20

1 stop20h 00m

£476

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 12/1

08:30-15:35

1 stop15h 05m

San Francisco

Mon 26/1

17:20-21:20

1 stop20h 00m

£477

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 19/2

11:30-14:35

2 stops35h 05m

San Francisco

Thu 26/2

16:40-23:35

3 stops22h 55m

£528

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 28/4

07:55-18:00

1 stop18h 05m

San Francisco

Tue 12/5

19:45-20:30

1 stop16h 45m

£540

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 15/2

05:55-23:55

2 stops26h 00m

San Francisco

Sun 1/3

18:20-07:50

1 stop29h 30m

£552

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 22/2

11:55-14:35

2 stops34h 40m

San Francisco

Sun 1/3

18:20-21:00

2 stops18h 40m

£588

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 12/1

21:20-23:07

2 stops33h 47m

San Francisco

Fri 16/1

16:40-15:15

1 stop14h 35m

£592

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 28/12

06:30-16:35

1 stop18h 05m

San Francisco

Sun 4/1

18:20-21:20

1 stop19h 00m

£609

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Fri 12/12

18:00-00:23

3 stops38h 23m

£386

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 11/12

15:30-20:10

2 stops36h 40m

£388

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 18 results
1
2

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.
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

Find useful and relevant information for your journey from Stansted to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    San Francisco (SFO), located 11.8 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.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
San Bruno
Bodega Bay
Pacific Grove

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Alternative routes for Stansted to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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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?

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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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