Find flights
When to book
FAQs

Cheap flights from London Stansted Airport to San Francisco from £337

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SFO
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

£423

One-way from

£337

Popular in

July

Cheapest in

February

Average price

£422
30/10-6/11
  • 30/10-6/11
  • 4 total stops
  • 54h 25m total
  • London to San Francisco
Search Deals
22/9
  • 22/9
  • 2 total stops
  • 31h 20m total
  • London to San Francisco
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£63 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 September 2025
Search Deals

Find flight deals from Stansted to San Francisco

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 17 September 2025.

Thu 30/1009:00STN - SFO
2 stops34h 50mMultiple Airlines
Thu 6/1113:55SFO - STN
2 stops19h 35mMultiple Airlines
Deal found 15/9£423
Fri 21/1113:05STN - SFO
2 stops31h 35mMultiple Airlines
Sat 29/1114:40SFO - STN
2 stops24h 45mMultiple Airlines
Deal found 14/9£434
Fri 21/1115:15STN - SFO
2 stops31h 20mMultiple Airlines
Mon 24/1116:40SFO - STN
2 stops20h 40mMultiple Airlines
Deal found 14/9£435
Sat 8/1121:10STN - SFO
2 stops30h 25mMultiple Airlines
Sat 15/1114:40SFO - STN
2 stops21h 25mMultiple Airlines
Deal found 15/9£449
Sun 5/1008:15STN - SFO
3 stops33h 15mMultiple Airlines
Tue 21/1010:15SFO - STN
3 stops22h 20mMultiple Airlines
Deal found 14/9£450

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 17 September 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

Thu 30/10

09:00-12:50

2 stops34h 50m

San Francisco

Thu 6/11

13:55-17:30

2 stops19h 35m

£423

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Fri 21/11

15:15-14:35

3 stops31h 20m

San Francisco

Mon 24/11

16:40-21:20

2 stops20h 40m

£440

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sat 8/11

21:10-19:35

2 stops30h 25m

San Francisco

Sat 15/11

14:40-20:05

2 stops21h 25m

£449

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 7/10

14:20-16:10

2 stops33h 50m

San Francisco

Tue 14/10

08:30-17:55

2 stops25h 25m

£450

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 6/11

05:55-14:35

2 stops16h 40m

San Francisco

Thu 13/11

16:40-23:10

2 stops22h 30m

£482

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 20/10

10:30-13:35

2 stops35h 05m

San Francisco

Sat 25/10

10:15-17:35

3 stops23h 20m

£484

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 14/10

21:45-14:35

2 stops24h 50m

San Francisco

Thu 23/10

12:50-15:45

2 stops18h 55m

£485

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sat 15/11

21:10-14:35

2 stops25h 25m

San Francisco

Sun 23/11

16:40-20:05

2 stops19h 25m

£487

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 15/10

08:15-15:55

1 stop15h 40m

San Francisco

Wed 22/10

17:40-14:25

1 stop12h 45m

£488

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 16/10

22:55-15:28

2 stops24h 33m

San Francisco

Wed 22/10

07:10-14:25

3 stops23h 15m

£490

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 21 results
1
2
3

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.

  • What is the cheapest month to book a flight from London Stansted Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from London Stansted Airport to San Francisco (average of £538). Flying from London Stansted Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Bodega Bay
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 San Francisco flights
Heathrow to Las Vegas flights
London City to Los Angeles flights
Gatwick to San Francisco flights
Gatwick to Los Angeles flights
Gatwick to Las Vegas flights
London City to San Francisco flights
Heathrow to San Diego flights
Heathrow to Ontario flights
Stansted to Los Angeles flights
Heathrow to Santa Ana flights
London City to Las Vegas flights
Luton to Los Angeles flights
Heathrow to Long Beach flights
Heathrow to Burbank flights
Heathrow to San Jose flights
Heathrow to Oakland flights
Luton to San Francisco flights
Gatwick to San Jose flights
Luton to Las Vegas flights
Gatwick to Oakland flights
Gatwick to San Diego flights
Gatwick to Burbank flights
Gatwick to Santa Ana flights
Stansted to Las Vegas flights
London City to San Diego flights
Heathrow to Sacramento flights
London City to Burbank flights
Heathrow to Palm Springs flights
Gatwick to Sacramento flights
London City to Oakland flights
London City to Santa Ana flights
Gatwick to Ontario flights
London City to Sacramento flights
London City to Ontario flights
Stansted to San Diego flights
Southend to Los Angeles flights
London City to Palm Springs flights
London City to San Jose flights
Heathrow to Reno flights
Gatwick to Reno flights
Heathrow to Santa Rosa flights
Gatwick to Palm Springs flights
Heathrow to Santa Barbara flights
London City to Santa Barbara flights
Heathrow to Fresno flights
Southend to San Francisco 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.