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Cheap flights from London Stansted Airport to San Francisco from £360

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SFO
4 Apr — 11 Apr1
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 5 March 2026.

Wed 15/418:20
STN
-
SFO
1 stop31h 35m
Multiple Airlines
Sun 19/419:40
SFO
-
STN
1 stop27h 50m
Multiple Airlines
Deal found 3/3£423
Wed 15/415:25
STN
-
SFO
1 stop34h 30m
Multiple Airlines
Sun 26/419:40
SFO
-
STN
1 stop19h 25m
Multiple Airlines
Deal found 28/2£425
Thu 16/406:55
STN
-
SFO
1 stop19h 00m
Multiple Airlines
Thu 30/419:40
SFO
-
STN
1 stop17h 20m
Multiple Airlines
Deal found 4/3£431
Wed 8/418:20
STN
-
SFO
1 stop31h 35m
Multiple Airlines
Tue 14/419:40
SFO
-
STN
1 stop32h 30m
Multiple Airlines
Deal found 28/2£440
Thu 23/414:05
STN
-
SFO
2 stops49h 35m
Multiple Airlines
Thu 30/419:40
SFO
-
STN
1 stop17h 20m
Multiple Airlines
Deal found 4/3£443
Wed 8/418:20
STN
-
SFO
1 stop31h 35m
Multiple Airlines
Sun 12/419:40
SFO
-
STN
1 stop19h 25m
Multiple Airlines
Deal found 28/2£472
Mon 13/408:30
STN
-
SFO
1 stop15h 20m
Multiple Airlines
Mon 20/417:35
SFO
-
STN
1 stop21h 45m
Multiple Airlines
Deal found 28/2£474
Thu 16/409:25
STN
-
SFO
2 stops35h 15m
Multiple Airlines
Wed 29/414:40
SFO
-
STN
2 stops20h 45m
Multiple Airlines
Deal found 2/3£480

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 5 March 2026.

Round-trip from

£423

One-way from

£360

Popular in

July

Cheapest in

February

Average price

£468
15/4-19/4
  • 15/4-19/4
  • 2 total stops
  • 59h 25m total
  • London to San Francisco
Search Deals
15/3
  • 15/3
  • 3 total stops
  • 35h 35m total
  • London to San Francisco
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£51 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 March 2026
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 5 March 2026.
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

Mon 20/4

06:40-11:36

2 stops36h 56m

San Francisco

Thu 30/4

19:40-21:00

1 stop17h 20m

£440

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 20/4

10:50-10:50

1 stop32h 00m

San Francisco

Thu 7/5

18:45-09:55

1 stop31h 10m

£702

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 23/4

17:35-16:40

1 stop31h 05m

San Francisco

Thu 30/4

12:55-16:40

1 stop19h 45m

£702

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 22/4

06:55-10:50

1 stop35h 55m

San Francisco

Fri 1/5

18:45-22:10

1 stop19h 25m

£705

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/6

17:35-16:40

1 stop31h 05m

San Francisco

Tue 23/6

12:55-16:50

1 stop19h 55m

£727

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 26/4

17:35-10:50

1 stop25h 15m

San Francisco

Thu 7/5

12:55-16:40

1 stop19h 45m

£734

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 26/4

17:35-10:50

1 stop25h 15m

San Francisco

Tue 5/5

12:55-16:50

1 stop19h 55m

£734

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sat 18/4

10:50-16:40

1 stop37h 50m

San Francisco

Sat 25/4

18:45-09:55

1 stop31h 10m

£802

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 15/6

10:50-16:40

1 stop37h 50m

San Francisco

Mon 29/6

12:55-16:40

1 stop19h 45m

£859

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 24/3

17:20-17:45

1 stop31h 25m

San Francisco

Sun 5/4

18:45-22:10

1 stop19h 25m

£918

Flights are sorted by cheapest return flights first.

Deals found on 3/3

Showing 1-10 of 18 resultsSorted by cheapest first
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.

Cheapflights Insights

Everything you need to know about your flight from London Stansted Airport to San Francisco

How often are flights from London to San Francisco delayed?

About 0% of weekly flights between London and San Francisco have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for London to San Francisco flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

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.

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

    Departing from London Stansted Airport to San Francisco will take you 32h. 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.

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
Bodega Bay
South San Francisco
Sunnyvale

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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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London City to Palm Springs flights
Southend to Las Vegas flights
Heathrow to San Luis Obispo flights
Stansted to Santa Ana 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.

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