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Cheap flights from London Stansted Airport to San Francisco Bay Area from £349

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SFO
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Stansted to San Francisco Bay Area

Keep the following information in mind while searching for Stansted to San Francisco Bay Area flight deals. Data was last updated 12 September 2025.

Round-trip from

£400

One-way from

£349

Popular in

July

Cheapest in

February

Average price

£436
6/11-10/11
  • 6/11-10/11
  • 4 total stops
  • 50h 45m total
  • London to San Francisco Bay Area
Search Deals
29/9
  • 29/9
  • 2 total stops
  • 31h 20m total
  • London to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£65 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
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Find flight deals from Stansted to San Francisco Bay Area

Cheapest flights from Stansted to San Francisco Bay Area
Explore the most affordable flight options available from Stansted to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Thu 6/1116:30STN - SFO
2 stops30h 05mMultiple Airlines
Mon 10/1116:40SFO - STN
2 stops20h 40mMultiple Airlines
Deal found 11/9£400
Mon 27/1017:00STN - SFO
3 stops30h 10mMultiple Airlines
Thu 30/1021:30SFO - STN
2 stops16h 50mMultiple Airlines
Deal found 10/9£430
Thu 20/1113:45STN - SFO
2 stops32h 50mMultiple Airlines
Thu 27/1116:40SFO - STN
3 stops22h 40mMultiple Airlines
Deal found 10/9£433
Thu 16/1006:40STN - SFO
2 stops36h 15mMultiple Airlines
Sat 18/1020:10SFO - STN
1 stop19h 15mMultiple Airlines
Deal found 10/9£436
Mon 13/1015:30STN - SFO
2 stops32h 40mMultiple Airlines
Mon 20/1008:30SFO - STN
2 stops29h 10mMultiple Airlines
Deal found 11/9£462
Tue 14/1021:45STN - SFO
2 stops24h 50mMultiple Airlines
Sun 19/1020:10SFO - STN
1 stop17h 35mMultiple Airlines
Deal found 10/9£466
Tue 28/1014:30STN - SFO
2 stops32h 00mMultiple Airlines
Mon 3/1116:35SFO - STN
2 stops19h 25mMultiple Airlines
Deal found 10/9£467
Sun 26/1006:10STN - SJC
3 stops23h 46mMultiple Airlines
Sun 2/1113:00SJC - STN
3 stops23h 05mMultiple Airlines
Deal found 11/9£829
Mon 29/919:00STN - OAK
3 stops36h 32mMultiple Airlines
Sat 25/1011:03OAK - STN
3 stops20h 47mMultiple Airlines
Deal found 11/9£1,143
Fri 3/1006:40STN - OAK
3 stops24h 52mMultiple Airlines
Mon 13/1011:03OAK - STN
3 stops25h 57mMultiple Airlines
Deal found 10/9£1,344
Sat 25/1021:30STN - OAK
3 stops31h 10mMultiple Airlines
Sat 1/1111:05OAK - STN
3 stops29h 05mMultiple Airlines
Deal found 10/9£1,361
Sun 19/1007:15STN - OAK
3 stops24h 38mMultiple Airlines
Sun 9/1111:05OAK - STN
3 stops21h 30mMultiple Airlines
Deal found 10/9£1,506

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to San Francisco Bay Area 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 12 September 2025.
Use the filters below to find and compare flights from London Stansted Airport to San Francisco Bay Area that are best for you.

Fly from

Stansted

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 16/10

06:40-10:55

2 stops36h 15m

San Francisco

Sat 18/10

20:10-23:25

1 stop19h 15m

£436

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 14/10

21:45-14:35

2 stops24h 50m

San Francisco

Tue 21/10

16:20-00:10

2 stops23h 50m

£462

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 14/10

21:45-14:35

2 stops24h 50m

San Francisco

Sun 19/10

20:10-21:45

1 stop17h 35m

£466

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 28/10

14:30-15:30

2 stops32h 00m

San Francisco

Mon 3/11

16:35-20:00

2 stops19h 25m

£467

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 27/10

15:15-16:10

2 stops31h 55m

San Francisco

Thu 30/10

21:30-21:20

2 stops16h 50m

£473

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 3/11

06:30-15:35

1 stop17h 05m

San Francisco

Mon 10/11

17:20-21:20

1 stop20h 00m

£485

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sat 8/11

07:40-09:30

3 stops33h 50m

San Francisco

Wed 12/11

16:35-22:15

2 stops21h 40m

£485

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sun 28/9

06:00-09:30

3 stops35h 30m

San Francisco

Sun 5/10

07:30-19:30

2 stops28h 00m

£514

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 8/10

14:50-16:10

2 stops33h 20m

San Francisco

Wed 15/10

19:30-20:55

2 stops17h 25m

£518

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sat 1/11

19:00-13:40

2 stops25h 40m

San Francisco

Thu 13/11

19:25-23:10

2 stops19h 45m

£519

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 34 results
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Best time to book a flight from Stansted to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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 Bay Area
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What are the most popular routes from London Stansted Airport to San Francisco Bay Area?

    While some choose either London Stansted - Oakland or London Stansted - San Jose, London Stansted - San Francisco is the most popular route from London Stansted Airport to San Francisco Bay Area.

  • Can I find deals for flights from Stansted to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Stansted to San Francisco Bay Area flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to San Francisco Bay Area?

    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 Bay Area.

  • Can I find deals for business class flights from Stansted to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Stansted to San Francisco Bay Area 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 Bay Area?

    Currently, February is the cheapest month in which you can book a flight from London Stansted Airport to San Francisco Bay Area (average of £538). Flying from London Stansted Airport to San Francisco Bay Area 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

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Alternative routes for Stansted to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Stansted to San Francisco Bay Area?

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Can Cheapflights notify me if prices for flights from Stansted to San Francisco Bay Area become cheaper?

Yes, Cheapflights offers price alerts on Stansted to San Francisco Bay Area flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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