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Cheap flights from London Stansted Airport to San Francisco from £342

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SFO
22 Nov — 29 Nov1
1 adult
1 adult, Economy

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 23 October 2025.

Fri 7/1106:30STN - SFO
1 stop17h 05mMultiple Airlines
Fri 14/1117:20SFO - STN
1 stop15h 15mMultiple Airlines
Deal found 21/10£426
Tue 4/1108:30STN - SFO
1 stop14h 05mMultiple Airlines
Tue 11/1117:20SFO - STN
1 stop13h 00mMultiple Airlines
Deal found 21/10£437
Fri 21/1106:30STN - SFO
1 stop17h 05mMultiple Airlines
Fri 28/1117:20SFO - STN
1 stop17h 00mMultiple Airlines
Deal found 21/10£452
Wed 12/1114:45STN - SFO
2 stops31h 50mMultiple Airlines
Mon 17/1116:40SFO - STN
2 stops20h 40mMultiple Airlines
Deal found 22/10£464
Wed 19/1120:40STN - SFO
2 stops24h 45mMultiple Airlines
Tue 2/1213:55SFO - STN
2 stops22h 20mMultiple Airlines
Deal found 22/10£476
Sat 8/1108:30STN - SFO
1 stop15h 05mMultiple Airlines
Sat 15/1117:20SFO - STN
1 stop21h 45mMultiple Airlines
Deal found 21/10£481
Thu 4/1214:35STN - SFO
2 stops29h 15mMultiple Airlines
Mon 8/1215:40SFO - STN
2 stops20h 20mMultiple Airlines
Deal found 21/10£504
Thu 20/1118:25STN - SFO
2 stops28h 10mMultiple Airlines
Fri 5/1216:40SFO - STN
2 stops17h 15mMultiple Airlines
Deal found 22/10£506
Sat 6/1206:30STN - SFO
1 stop17h 05mMultiple Airlines
Sat 13/1217:00SFO - STN
2 stops22h 05mMultiple Airlines
Deal found 22/10£520
Thu 6/1113:45STN - SFO
2 stops34h 45mMultiple Airlines
Thu 13/1119:25SFO - STN
2 stops19h 55mMultiple Airlines
Deal found 21/10£522
Sun 9/1108:30STN - SFO
1 stop16h 05mMultiple Airlines
Sat 15/1117:20SFO - STN
1 stop18h 45mMultiple Airlines
Deal found 21/10£526
Mon 24/1106:00STN - SFO
2 stops16h 35mMultiple Airlines
Mon 8/1216:40SFO - STN
2 stops21h 25mMultiple Airlines
Deal found 22/10£526

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 23 October 2025.

Round-trip from

£422

One-way from

£342

Popular in

July

Cheapest in

September

Average price

£489
17/11-24/11
  • 17/11-24/11
  • 2 total stops
  • 34h 05m total
  • London to San Francisco
Search Deals
11/1
  • 11/1
  • 2 total stops
  • 32h 40m total
  • London to San Francisco
Search Deals
Highest demand for flights based on searches. 14% 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 October 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 23 October 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

Fri 7/11

06:30-15:35

1 stop17h 05m

San Francisco

Fri 14/11

17:20-16:35

1 stop15h 15m

£426

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 12/11

14:45-14:35

2 stops31h 50m

San Francisco

Mon 17/11

16:40-21:20

2 stops20h 40m

£464

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 6/11

13:45-16:30

2 stops34h 45m

San Francisco

Thu 13/11

19:25-23:20

2 stops19h 55m

£522

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 4/12

11:30-14:35

2 stops35h 05m

San Francisco

Mon 8/12

16:40-22:40

2 stops22h 00m

£532

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 24/11

06:00-14:35

2 stops16h 35m

San Francisco

Mon 8/12

16:40-22:05

2 stops21h 25m

£533

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Fri 5/12

13:05-14:35

2 stops33h 30m

San Francisco

Fri 12/12

16:40-18:15

2 stops17h 35m

£547

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 4/12

05:55-14:35

2 stops16h 40m

San Francisco

Thu 11/12

16:40-23:10

3 stops22h 30m

£587

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 2/11

05:30-16:35

1 stop18h 05m

San Francisco

Sun 9/11

18:20-16:35

1 stop14h 15m

£589

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sat 22/11

06:40-16:30

2 stops17h 50m

San Francisco

Wed 3/12

19:25-22:10

2 stops18h 45m

£593

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 26/11

14:20-14:35

3 stops32h 15m

San Francisco

Sun 30/11

16:40-19:40

2 stops19h 00m

£595

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 17 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
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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Gatwick to Sacramento flights
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Southend to Las Vegas flights
London City to Palm Springs flights
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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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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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