Cheap flights from London Stansted Airport to San Francisco Bay Area from £385

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SFO
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£421

One-way from

£385

Popular in

July

Cheapest in

February

Average price

£611
15/10-19/10
  • 15/10-19/10
  • 4 total stops
  • 52h 50m total
  • London to San Francisco Bay Area
6/11
  • 6/11
  • 2 total stops
  • 33h 39m total
  • London to San Francisco Bay Area
Highest demand for flights based on searches. 15% potential increase in price (£66 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in August 2025

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 29 August 2025.

Wed 15/1013:15STN - SFO
2 stops35h 15mMultiple Airlines
Sun 19/1019:40SFO - STN
2 stops17h 35mMultiple Airlines
Deal found 28/8£421
Thu 11/913:10STN - SFO
2 stops35h 20mMultiple Airlines
Tue 16/919:40SFO - STN
2 stops19h 15mMultiple Airlines
Deal found 27/8£426
Tue 9/922:05STN - SFO
3 stops33h 04mMultiple Airlines
Tue 16/908:30SFO - STN
2 stops20h 10mMultiple Airlines
Deal found 28/8£428
Thu 25/906:40STN - SFO
3 stops24h 29mMultiple Airlines
Mon 29/908:30SFO - STN
2 stops18h 10mMultiple Airlines
Deal found 29/8£443
Mon 15/915:30STN - SFO
3 stops31h 58mMultiple Airlines
Mon 22/908:30SFO - STN
2 stops29h 10mMultiple Airlines
Deal found 26/8£443
Wed 8/1022:10STN - SFO
2 stops26h 00mMultiple Airlines
Sat 18/1008:30SFO - STN
2 stops18h 40mMultiple Airlines
Deal found 28/8£453
Wed 10/911:10STN - SFO
2 stops32h 35mMultiple Airlines
Tue 23/913:45SFO - STN
2 stops22h 45mMultiple Airlines
Deal found 28/8£454
Tue 2/922:05STN - SFO
2 stops26h 05mMultiple Airlines
Tue 16/908:30SFO - STN
2 stops20h 10mMultiple Airlines
Deal found 27/8£458
Wed 17/913:30STN - SFO
2 stops31h 10mMultiple Airlines
Wed 24/919:30SFO - STN
2 stops17h 55mMultiple Airlines
Deal found 26/8£462
Wed 10/912:00STN - SFO
2 stops34h 30mMultiple Airlines
Wed 24/916:20SFO - STN
2 stops19h 40mMultiple Airlines
Deal found 27/8£463
Wed 10/908:15STN - OAK
3 stops23h 17mMultiple Airlines
Wed 24/906:30OAK - STN
3 stops24h 40mMultiple Airlines
Deal found 27/8£761
Wed 1/1006:30STN - OAK
3 stops25h 20mMultiple Airlines
Sun 5/1017:05OAK - STN
3 stops22h 15mMultiple Airlines
Deal found 29/8£1,039

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 29 August 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

Wed 15/10

13:15-16:30

2 stops35h 15m

San Francisco

Sun 19/10

19:40-21:15

2 stops17h 35m

£421

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 11/9

13:10-16:30

2 stops35h 20m

San Francisco

Tue 16/9

19:40-22:55

2 stops19h 15m

£426

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Tue 9/9

22:05-23:09

3 stops33h 04m

San Francisco

Tue 16/9

08:30-12:40

2 stops20h 10m

£428

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 25/9

06:40-23:09

3 stops24h 29m

San Francisco

Mon 29/9

08:30-10:40

2 stops18h 10m

£443

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 15/9

15:30-15:28

3 stops31h 58m

San Francisco

Mon 22/9

08:30-21:40

2 stops29h 10m

£443

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 8/10

22:10-16:10

2 stops26h 00m

San Francisco

Sat 18/10

08:30-11:10

2 stops18h 40m

£453

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 10/9

11:10-11:45

2 stops32h 35m

San Francisco

Tue 23/9

13:45-20:30

2 stops22h 45m

£454

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 17/9

13:30-12:40

2 stops31h 10m

San Francisco

Wed 24/9

19:30-21:25

2 stops17h 55m

£462

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Wed 10/9

12:00-14:30

2 stops34h 30m

San Francisco

Wed 24/9

16:20-20:00

2 stops19h 40m

£463

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Fri 21/11

11:25-14:45

2 stops35h 20m

San Francisco

Fri 28/11

19:10-00:10

2 stops21h 00m

£463

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 31 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?

  • 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.

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Alternative routes for Stansted to San Francisco Bay Area

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Can Cheapflights find flights from Stansted to San Francisco Bay Area with no change fees?

Yes! Cheapflights helps users easily find flights from Stansted to San Francisco Bay Area with no change fees.

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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