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Cheap flights from London 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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
1 Apr — 8 Apr1
1 adult

Cheap flight deals from London to San Francisco Bay Area

Keep the following information in mind while searching for London to San Francisco Bay Area flight deals. Data was last updated 27 March 2025.

Round-trip from

£401

One-way from

£387

Popular in

July

Cheapest in

February

Average price

£477
Scandinavian Airlines
  • Scandinavian Airlines
  • 8/5-19/5
  • 3 total stops
  • 35h 30m total
  • London to San Francisco Bay Area
18/4
  • 18/4
  • 3 total stops
  • 58h 59m total
  • London to San Francisco Bay Area
Highest demand for flights based on searches. 18% potential increase in price (£92 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find flight deals from London to San Francisco Bay Area

Cheapest flights from London to San Francisco Bay Area
Explore the most affordable flight options available from London to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2025.

Thu 8/506:40LHR - SFO
1 stop17h 50mScandinavian Airlines
Mon 19/519:40SFO - LHR
2 stops17h 40mScandinavian Airlines
Deal found 27/3£401
Fri 18/411:25LHR - SFO
2 stops21h 00mUnited Airlines
Wed 23/708:30SFO - LHR
1 stop18h 10mUnited Airlines
Deal found 27/3£402
Sat 26/406:30LHR - SFO
1 stop17h 35mLufthansa
Thu 1/512:55SFO - LHR
Nonstop10h 30mLufthansa
Deal found 27/3£403
Thu 24/411:15LHR - SFO
Nonstop11h 05mKLM
Thu 1/516:05SFO - LHR
Nonstop10h 20mKLM
Deal found 27/3£407
Sat 10/516:25LHR - SFO
Nonstop11h 05mAir France
Mon 19/521:20SFO - LHR
Nonstop10h 20mAir France
Deal found 27/3£407
Tue 2/918:35LGW - SFO
1 stop30h 00mSWISS
Mon 22/919:30SFO - LGW
1 stop14h 20mSWISS
Deal found 27/3£409
Sat 10/506:35STN - SFO
2 stops17h 55mMultiple Airlines
Mon 19/519:40SFO - STN
2 stops18h 30mMultiple Airlines
Deal found 27/3£411
Sun 4/506:00LHR - SFO
1 stop18h 10mSWISS
Wed 14/514:00SFO - LHR
1 stop18h 25mSWISS
Deal found 27/3£412
Mon 28/415:05LGW - SFO
1 stop17h 05mBritish Airways
Sun 11/507:21SFO - LGW
1 stop16h 29mBritish Airways
Deal found 26/3£412
Mon 5/515:05LGW - SFO
2 stops29h 29mFinnair
Mon 12/523:30SFO - LGW
2 stops25h 05mFinnair
Deal found 27/3£414
Mon 21/410:35LHR - SFO
Nonstop11h 05mAustrian Airlines
Sun 4/519:40SFO - LHR
Nonstop10h 30mAustrian Airlines
Deal found 27/3£420
Mon 21/410:35LHR - SFO
Nonstop11h 05mBrussels Airlines
Sun 4/512:55SFO - LHR
Nonstop10h 30mBrussels Airlines
Deal found 27/3£421

Cheapflights Fare Finder

Customise your flight search to find flights from London 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 27 March 2025.
Use the filters below to find and compare flights from London to San Francisco Bay Area that are best for you.

Fly from

London

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 8/5

06:40-16:30

1 stop17h 50m

San Francisco

Mon 19/5

19:40-21:20

2 stops17h 40m

£401

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 18/4

11:25-00:25

2 stops21h 00m

San Francisco

Wed 23/7

08:30-10:40

1 stop18h 10m

£402

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 26/4

06:30-16:05

1 stop17h 35m

San Francisco

Thu 1/5

12:55-07:25

Nonstop10h 30m

£403

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 24/4

11:15-14:20

Nonstop11h 05m

San Francisco

Thu 1/5

16:05-10:25

Nonstop10h 20m

£407

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 10/5

16:25-19:30

Nonstop11h 05m

San Francisco

Tue 20/5

16:05-10:25

Nonstop10h 20m

£407

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 2/9

18:35-16:35

1 stop30h 00m

San Francisco

Mon 22/9

19:30-17:50

1 stop14h 20m

£409

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sat 10/5

06:35-16:30

2 stops17h 55m

San Francisco

Mon 19/5

19:40-22:10

2 stops18h 30m

£411

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 28/4

15:05-00:10

1 stop17h 05m

San Francisco

Sun 11/5

07:21-07:50

1 stop16h 29m

£412

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 4/5

06:00-16:10

1 stop18h 10m

San Francisco

Wed 14/5

14:00-16:25

1 stop18h 25m

£412

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 5/5

15:05-12:34

2 stops29h 29m

San Francisco

Mon 12/5

23:30-08:35

2 stops25h 05m

£414

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 60 results
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Best time to book a flight from London to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from London 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 to San Francisco Bay Area

What is the cheapest month to book a flight from London to San Francisco Bay Area?

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

What is the cheapest time of day to fly from LON to XIH?

Find hourly flight availability from London to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to San Francisco Bay Area as you normally would.

Rainfall in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 mm.

Temperature in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco Bay Area. Reviews last updated 27 March 2025.
Peruse reviews from past customers who have flown with Delta, Air New Zealand and KLM from London to San Francisco Bay Area to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London 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 cheapest airlines to fly from London to San Francisco Bay Area one-way?

    The cheapet airlines for a one-way flight from London to San Francisco Bay Area are TAP AIR PORTUGAL (£391), Aer Lingus (£392), and WestJet (£394).

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

  • What are the most reliable airlines from London to San Francisco Bay Area?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to San Francisco Bay Area on time: American Airlines (91%), Aer Lingus (91%), Alaska Airlines (91%).

  • What are the cheapest flights from London to San Francisco Bay Area?

    On average you can expect to pay £1,804 for a flight from London to San Francisco Bay Area. The cheapest flight overall is £389 while the most popular route, (London Heathrow - San Francisco) is currently priced at £331.

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

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

  • How can I find direct flights from London 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 London to San Francisco Bay Area.

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

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

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

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 London to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to San Francisco Bay Area

Discover the top 10 airlines that operate flights from London to San Francisco Bay Area. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£247Average£487FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£289Average£480FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£328Average£430FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£358Average£477FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£361Average£444FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£367Average£561FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£372Average£538FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£380Average£613FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£384Average£508FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
FinnairCheapest£384Average£518FlexibilityNo cancel feeOn-time76%
Search Finnair 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 London to San Francisco Bay Area?

Cheapflights helps you search for flights from London to San Francisco Bay Area via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to San Francisco Bay Area?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to San Francisco Bay Area for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to San Francisco Bay Area from London? 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 London to San Francisco Bay Area 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 Bay Area from London today and book when prices fit your budget.

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