Find flights
When to book
FAQs

Cheap flights from London Stansted Airport to San Francisco from £377

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SFO
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 December 2025.

Sun 14/1212:35STN - SFO
2 stops34h 00mMultiple Airlines
Mon 12/116:35SFO - STN
2 stops22h 05mMultiple Airlines
Deal found 13/12£624
Wed 24/1208:10STN - SFO
2 stops35h 40mMultiple Airlines
Wed 7/115:40SFO - STN
2 stops22h 30mMultiple Airlines
Deal found 15/12£698
Wed 24/1214:20STN - SFO
2 stops30h 20mMultiple Airlines
Wed 31/1214:40SFO - STN
2 stops17h 45mMultiple Airlines
Deal found 14/12£741
Sat 20/1208:30STN - SFO
2 stops35h 20mMultiple Airlines
Sat 27/1215:40SFO - STN
2 stops23h 25mMultiple Airlines
Deal found 14/12£761
Sun 21/1217:00STN - SFO
2 stops28h 25mMultiple Airlines
Tue 30/1213:55SFO - STN
2 stops22h 40mMultiple Airlines
Deal found 15/12£765
Sun 21/1218:20STN - SFO
2 stops28h 15mMultiple Airlines
Sun 12/417:45SFO - STN
1 stop17h 45mMultiple Airlines
Deal found 15/12£798
Mon 22/1221:45STN - SFO
2 stops22h 05mMultiple Airlines
Sun 28/1213:55SFO - STN
2 stops23h 25mMultiple Airlines
Deal found 14/12£822
Sun 21/1217:55STN - SFO
2 stops25h 55mMultiple Airlines
Sat 10/113:55SFO - STN
2 stops23h 45mMultiple Airlines
Deal found 14/12£824
Mon 22/1221:45STN - SFO
2 stops22h 05mMultiple Airlines
Wed 31/1213:55SFO - STN
2 stops21h 40mMultiple Airlines
Deal found 15/12£834

Find 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 16 December 2025.

Round-trip from

£481

One-way from

£377

Popular in

July

Cheapest in

September

Average price

£618
12/1-26/1
  • 12/1-26/1
  • 2 total stops
  • 35h 05m total
  • London to San Francisco
Search Deals
21/5
  • 21/5
  • 2 total stops
  • 34h 05m total
  • London to San Francisco
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 16 December 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

Mon 26/1

17:20-21:20

1 stop20h 00m

£482

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 26/4

06:30-21:24

2 stops22h 54m

San Francisco

Mon 4/5

17:45-09:50

1 stop32h 05m

£511

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 27/1

08:30-15:35

1 stop15h 05m

San Francisco

Tue 3/2

17:20-14:20

1 stop13h 00m

£520

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 29/1

08:30-21:22

2 stops20h 52m

San Francisco

Thu 5/2

19:25-23:10

2 stops19h 45m

£541

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 1/4

12:05-16:35

2 stops36h 30m

San Francisco

Tue 7/4

17:45-14:45

1 stop13h 00m

£653

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 31/3

06:30-15:45

1 stop17h 15m

San Francisco

Thu 9/4

17:45-21:20

1 stop19h 35m

£656

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Fri 9/1

18:55-14:35

2 stops27h 40m

San Francisco

Thu 15/1

16:40-23:35

2 stops22h 55m

£657

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 19/1

07:35-14:35

1 stop15h 00m

San Francisco

Fri 23/1

16:40-15:15

1 stop14h 35m

£666

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 26/4

06:15-16:45

1 stop18h 30m

San Francisco

Mon 4/5

18:50-22:10

1 stop19h 20m

£693

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 21/5

14:45-16:50

2 stops34h 05m

£377

Flights are sorted by cheapest return flights first.

Deals found on 13/12

Showing 1-10 of 20 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
San Bruno
South San Francisco
Bodega Bay
Sunnyvale
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Stansted to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Los Angeles flights
Heathrow to Las Vegas flights
Heathrow to San Francisco flights
Gatwick to Los Angeles flights
London City to Los Angeles flights
Gatwick to Las Vegas flights
Stansted to Los Angeles flights
Gatwick to San Francisco flights
London City to Las Vegas flights
London City to San Francisco flights
Heathrow to Ontario flights
Heathrow to San Diego flights
Heathrow to Santa Ana flights
Luton to Los Angeles flights
Heathrow to San Jose flights
Stansted to Las Vegas flights
Heathrow to Burbank flights
Heathrow to Oakland flights
Gatwick to Burbank flights
Luton to Las Vegas flights
Luton to San Francisco flights
Gatwick to Oakland flights
Gatwick to San Diego flights
London City to San Diego flights
Gatwick to San Jose flights
Gatwick to Santa Ana flights
London City to Burbank flights
Heathrow to Long Beach flights
Heathrow to Sacramento flights
Stansted to San Diego flights
London City to Oakland flights
Heathrow to Medford flights
Southend to Los Angeles flights
Heathrow to Palm Springs flights
Gatwick to Ontario flights
London City to San Jose flights
Gatwick to Reno flights
London City to Santa Ana flights
Heathrow to Reno flights
Heathrow to San Luis Obispo flights
London City to Ontario flights
Heathrow to Monterey flights
London City to Palm Springs flights
Southend to Las Vegas flights
Southend to San Francisco flights
Gatwick to Palm Springs flights
Gatwick to Tijuana flights
Heathrow to Fresno flights
Heathrow to Santa Barbara flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from Stansted today with Cheapflights!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.