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Cheap flights from London to San Francisco Bay Area from £311

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find 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 27 November 2025.

Wed 10/1211:05LHR - SJC
1 stop17h 31mVirgin Atlantic
Wed 21/120:05SJC - LHR
1 stop12h 45mVirgin Atlantic
Deal found 26/11£423
Wed 10/1206:30LHR - SJC
2 stops16h 33mDelta
Wed 21/105:54SJC - LHR
2 stops18h 51mDelta
Deal found 26/11£433
Tue 2/1214:30LHR - SJC
2 stops30h 01mAmerican Airlines
Wed 10/1211:13SJC - LHR
1 stop13h 22mAmerican Airlines
Deal found 25/11£448
Thu 4/1217:55LHR - SFO
2 stops29h 40mBritish Airways
Tue 9/1217:20SFO - LHR
1 stop14h 15mBritish Airways
Deal found 24/11£453
Thu 4/1211:55LHR - SJC
1 stop16h 50mFinnair
Thu 11/1206:00SJC - LHR
1 stop16h 50mFinnair
Deal found 24/11£454
Thu 25/1208:20LHR - SFO
1 stop16h 44mBritish Airways
Sat 10/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 24/11£455
Thu 25/1210:05LHR - SJC
1 stop19h 08mFinnair
Thu 15/106:00SJC - LHR
1 stop20h 00mFinnair
Deal found 25/11£457
Tue 2/1211:50LHR - SFO
1 stop14h 34mBritish Airways
Thu 19/321:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 25/11£458
Sat 6/1215:35LHR - SFO
2 stops31h 00mScandinavian Airlines
Mon 12/116:40SFO - LHR
1 stop17h 50mScandinavian Airlines
Deal found 25/11£461
Mon 1/1216:05LHR - SFO
2 stops31h 30mBritish Airways
Wed 10/1217:20SFO - LHR
1 stop14h 15mBritish Airways
Deal found 25/11£462
Fri 12/1211:45LHR - SFO
Nonstop11h 15mBritish Airways
Sun 11/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 25/11£463
Wed 3/1206:50LCY - SFO
1 stop16h 45mBritish Airways
Wed 10/1217:20SFO - LCY
1 stop20h 10mBritish Airways
Deal found 25/11£463

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 November 2025.

Round-trip from

£423

One-way from

£311

Popular in

July

Cheapest in

September

Average price

£470
Virgin Atlantic
  • Virgin Atlantic
  • 10/12-21/1
  • 2 total stops
  • 30h 16m total
  • London to San Francisco Bay Area
Search Deals
Finnair
  • Finnair
  • 15/2
  • 2 total stops
  • 35h 19m total
  • London to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£61 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 November 2025
Search Deals

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 November 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 10/12

06:30-19:18

2 stops20h 48m

San Jose

Wed 21/1

13:50-16:50

1 stop19h 00m

£433

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 10/12

06:30-15:03

2 stops16h 33m

San Jose

Wed 21/1

05:54-08:45

2 stops18h 51m

£433

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 15/1

06:15-22:15

2 stops24h 00m

San Jose

Tue 20/1

11:51-12:15

1 stop16h 24m

£433

LondonOakland

LHR - OAK

LHROAK

London Heathrow

Mon 19/1

17:50-16:14

2 stops30h 24m

Oakland

Mon 2/2

05:55-10:00

1 stop20h 05m

£439

LondonOakland

LHR - OAK

LHROAK

London Heathrow

Mon 19/1

11:45-23:53

2 stops44h 08m

Oakland

Mon 2/2

12:33-16:50

2 stops20h 17m

£440

LondonOakland

LHR - OAK

LHROAK

London Heathrow

Wed 11/2

10:45-23:53

1 stop21h 08m

Oakland

Wed 18/2

12:37-10:00

1 stop13h 23m

£440

LondonSan Jose

LGW - SJC

LGWSJC

London Gatwick

Fri 16/1

11:20-21:29

2 stops42h 09m

San Jose

Mon 19/1

11:51-07:30

2 stops35h 39m

£455

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 12/1

08:20-21:29

1 stop21h 09m

San Jose

Mon 26/1

06:00-06:50

1 stop16h 50m

£459

LondonOakland

LHR - OAK

LHROAK

London Heathrow

Wed 15/4

10:55-16:31

1 stop13h 36m

Oakland

Wed 29/4

13:15-09:50

1 stop12h 35m

£459

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 27/4

06:45-15:45

1 stop17h 00m

San Francisco

Mon 4/5

17:45-20:50

1 stop19h 05m

£460

Flights are sorted by cheapest return flights first.

Deals found on 25/11

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, April is the cheapest month in which you can book a flight from London to San Francisco Bay Area (average of £345). Flying from London to San Francisco Bay Area in July is currently the most expensive (average of £464). 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 November 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 27 November 2025.

The most flights from LON to zzXIH are scheduled on a Monday (31 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (25 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 27 November 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.
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,050 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,594 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Food

7.2

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 16h 33m. Fly via Virgin Atlantic, Delta, or British Airways 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 Finnair (£311), United Airlines (£359), and British Airways (£373).

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

    While some choose either London Gatwick - San Francisco or London City - San Francisco, London Heathrow - San Francisco is the most popular route 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 (84%), Air France (82%), Delta (82%).

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

    On average you can expect to pay £2,149 for a flight from London to San Francisco Bay Area. The cheapest flight overall is £337 while the most popular route, (London Heathrow - San Francisco) is currently priced at £361.

  • 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, April is the cheapest month in which you can book a flight from London to San Francisco Bay Area (average of £345). Flying from London to San Francisco Bay Area in July is currently the most expensive (average of £464). 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 London to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£242Average£526FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£341Average£515FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£344Average£560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£358Average£564FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£360Average£538FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£360Average£459FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£364Average£448FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£380Average£497FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£382Average£537FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£382Average£605FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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