Cheap flights from London to San Francisco Bay Area from £302

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
10 Jan — 17 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to San Francisco Bay Area

Enter your travel dates to find the best prices.

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 11 December 2025.

Thu 25/1218:30LHR - SFO
1 stop29h 35mTAP AIR PORTUGAL
Fri 9/119:10SFO - LHR
1 stop15h 45mTAP AIR PORTUGAL
Deal found 9/12£473
Tue 23/1218:40LHR - SFO
1 stop29h 50mSWISS
Thu 22/119:25SFO - LHR
1 stop14h 25mSWISS
Deal found 9/12£475
Tue 23/1208:15LHR - SFO
1 stop38h 15mTAP AIR PORTUGAL
Mon 19/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 10/12£476
Thu 25/1216:00LGW - SFO
1 stop32h 05mTAP AIR PORTUGAL
Sat 10/116:35SFO - LGW
1 stop33h 15mTAP AIR PORTUGAL
Deal found 9/12£476
Thu 25/1218:30LHR - SFO
1 stop29h 35mTAP AIR PORTUGAL
Sat 10/116:35SFO - LHR
1 stop18h 20mTAP AIR PORTUGAL
Deal found 9/12£481
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Mon 29/1216:35SFO - LHR
1 stop36h 05mTAP AIR PORTUGAL
Deal found 10/12£484
Tue 23/1218:40LGW - SFO
1 stop29h 50mSWISS
Wed 21/119:25SFO - LGW
1 stop14h 25mSWISS
Deal found 9/12£485
Wed 24/1215:25LHR - SFO
Nonstop11h 20mBritish Airways
Tue 6/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 10/12£488
Tue 23/1218:40LHR - SFO
1 stop29h 50mSWISS
Tue 20/111:45SFO - LHR
2 stops20h 35mSWISS
Deal found 9/12£490
Sat 13/1210:10LGW - SFO
2 stops60h 25mTAP AIR PORTUGAL
Mon 12/116:35SFO - LGW
1 stop15h 10mTAP AIR PORTUGAL
Deal found 8/12£492
Sat 13/1210:10LGW - SFO
2 stops60h 25mTAP AIR PORTUGAL
Sat 10/116:35SFO - LGW
1 stop33h 15mTAP AIR PORTUGAL
Deal found 9/12£497
Wed 24/1217:00LHR - SFO
1 stop29h 35mScandinavian Airlines
Sat 17/116:40SFO - LHR
1 stop17h 00mScandinavian Airlines
Deal found 10/12£499

Find 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 11 December 2025.

Round-trip from

£469

One-way from

£302

Popular in

July

Cheapest in

February

Average price

£613
Scandinavian Airlines
  • Scandinavian Airlines
  • 17/1-26/1
  • 3 total stops
  • 31h 40m total
  • London to San Francisco Bay Area
Finnair
  • Finnair
  • 2/2
  • 2 total stops
  • 35h 19m total
  • London to San Francisco Bay Area
Highest demand for flights based on searches. 13% potential increase in price (£57 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 December 2025

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 11 December 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 Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 21/1

06:35-20:56

2 stops22h 21m

San Jose

Mon 9/2

16:00-09:40

1 stop33h 40m

£474

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 21/1

06:35-20:56

2 stops22h 21m

San Jose

Tue 10/2

16:00-09:40

1 stop33h 40m

£474

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 23/12

18:40-16:30

1 stop29h 50m

San Francisco

Wed 21/1

11:45-16:20

2 stops20h 35m

£475

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 12/1

08:30-15:35

1 stop15h 05m

San Francisco

Mon 26/1

17:20-21:20

1 stop20h 00m

£480

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 23/12

18:40-16:30

1 stop29h 50m

San Francisco

Thu 22/1

19:25-17:50

1 stop14h 25m

£485

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Thu 12/3

16:30-15:35

2 stops30h 05m

San Francisco

Tue 17/3

17:40-21:20

2 stops20h 40m

£489

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 22/1

07:25-22:49

1 stop23h 24m

San Francisco

Sat 24/1

22:37-20:45

1 stop14h 08m

£490

LondonOakland

LHR - OAK

LHROAK

London Heathrow

Wed 25/2

06:20-16:12

2 stops17h 52m

Oakland

Mon 30/3

05:55-13:30

2 stops23h 35m

£493

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 20/3

06:30-12:50

1 stop13h 20m

San Francisco

Tue 7/4

15:55-10:40

Nonstop10h 45m

£497

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 27/1

08:20-21:29

1 stop21h 09m

San Jose

Wed 11/2

11:51-10:00

1 stop14h 09m

£497

Flights are sorted by cheapest return flights first.

Deals found on 9/12

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 £357). Flying from London to San Francisco Bay Area in July is currently the most expensive (average of £457). 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 11 December 2025.

When flying from London to San Francisco Bay Area, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight at midday.

What is the cheapest day to fly from London to San Francisco Bay Area?

Use this chart to determine the cheapest time to fly return from London to San Francisco Bay Area. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to San Francisco Bay Area flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to San Francisco Bay Area

Explore weekly flight availability from London to San Francisco Bay Area. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 December 2025.

The most flights from LON to zzXIH are scheduled on a Monday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 on average).

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 11 December 2025.
Read reviews from past customers who have flown with KLM, Virgin Atlantic, andUnited Airlines from London to San Francisco Bay Area. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Overall

7.7

Crew

8.3

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Overall

7.7

Crew

8.3

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Overall

7.7

Crew

8.3

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Overall

7.7

Crew

8.3

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Overall

7.7

Crew

8.3

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Overall

7.7

Crew

8.3

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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.
  • How long is the flight from London to San Francisco Bay Area?

    There are many flights that can get you from London to San Francisco Bay Area in 22h 21m. Fly via United Airlines, SWISS, or JetBlue to get the fastest option. There are 5352 mi between London and San Francisco Bay Area. This flight may include one or multiple stops.

  • 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 Scandinavian Airlines (£251), TAP AIR PORTUGAL (£272), and WestJet (£303).

  • 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: Air New Zealand (85%), KLM (84%), Air France (83%).

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

    On average you can expect to pay £1,940 for a flight from London to San Francisco Bay Area. The cheapest flight overall is £338 while the most popular route, (London Heathrow - San Francisco) is currently priced at £330.

  • 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 £357). Flying from London to San Francisco Bay Area in July is currently the most expensive (average of £457). 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

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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 11 December 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£239Average£550FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£338Average£491FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£340Average£555FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£355Average£559FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£356Average£534FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
SWISSCheapest£360Average£443FlexibilityNo cancel feeOn-time79%
Search SWISS flights
TAP AIR PORTUGALCheapest£360Average£466FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
FinnairCheapest£376Average£486FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£378Average£535FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£378Average£578FlexibilityNo cancel feeOn-time70%
Search British Airways 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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