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 19h 15m. Fly via American Airlines, United Airlines, or SWISS to get the fastest option. There are 5350 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 Virgin Atlantic (£334), Delta (£337), and American Airlines (£337).

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.

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).

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 cheapest flights from London to San Francisco Bay Area?

On average you can expect to pay £1,777 for a flight from London to San Francisco Bay Area. The cheapest flight overall is £373 while the most popular route, (London Heathrow - San Francisco) is currently priced at £344.

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: KLM (86%), Air France (86%), Delta (86%).

What are the most popular airlines that fly from London to San Francisco Bay Area?

When booking a flight from London to San Francisco Bay Area, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

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.

£320+ Flights from London to San Francisco Bay Area

Cheap flight deals from London to San Francisco Bay Area

Round-trip from	£365
One-way from	£320
Popular in	July
Cheapest in	February
Average price	£422

American Airlines
19/2-23/2
4 total stops
68h 14m total
London to San Francisco Bay Area

Search Deals

12/11
1 total stop
26h 55m total
London to San Francisco Bay Area

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£63 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

Search Deals

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 17 September 2025.

Fri 31/1010:45LHR - SJC

1 stop18h 32mVirgin Atlantic

Fri 7/1106:35SJC - LHR

1 stop17h 15mVirgin Atlantic

Deal found 16/9£382

Thu 2/1012:00LHR - SJC

1 stop17h 05mBritish Airways

Sun 5/1006:00SJC - LHR

1 stop16h 25mBritish Airways

Deal found 15/9£383

Thu 2/1008:40LHR - SFO

1 stop15h 30mSWISS

Wed 29/1020:25SFO - LHR

1 stop18h 15mSWISS

Deal found 16/9£383

Wed 1/1006:30LHR - SFO

2 stops19h 15mUnited Airlines

Wed 8/1013:25SFO - LHR

1 stop13h 45mUnited Airlines

Deal found 16/9£383

Thu 25/908:40LHR - SFO

1 stop15h 30mSWISS

Wed 8/1019:30SFO - LHR

2 stops28h 45mSWISS

Deal found 16/9£385

Sun 21/906:00LHR - SFO

1 stop18h 35mMultiple Airlines

Sat 13/1208:25SFO - LHR

1 stop14h 15mMultiple Airlines

Deal found 16/9£386

Thu 25/908:30LHR - SFO

2 stops19h 21mAir Canada

Wed 8/1008:30SFO - LHR

1 stop14h 00mAir Canada

Deal found 16/9£386

Wed 24/912:20LGW - SFO

2 stops18h 55mMultiple Airlines

Wed 1/1007:00SFO - LGW

1 stop19h 40mMultiple Airlines

Deal found 16/9£386

Wed 24/906:30LHR - SFO

1 stop13h 15mDelta

Mon 3/1116:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£387

Tue 18/1118:40LGW - SFO

1 stop29h 50mSWISS

Tue 2/1219:25SFO - LGW

1 stop14h 25mSWISS

Deal found 15/9£387

Tue 7/1006:30LHR - SFO

1 stop13h 15mDelta

Mon 3/1116:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£388

Fri 31/1016:30LHR - SJC

1 stop36h 36mMultiple Airlines

Fri 7/1106:00SJC - LHR

2 stops22h 30mMultiple Airlines

Deal found 16/9£389

Best flights from London to San Francisco Bay Area
Discover carefully curated flight deals from London to San Francisco Bay Area that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Thu 19/211:20LGW - SJC

2 stops41h 25mAmerican Airlines

Mon 23/219:25SJC - LGW

2 stops52h 05mAmerican Airlines

Deal found 13/9£365

Sat 4/1006:30LHR - SFO

2 stops19h 15mUnited Airlines

Sat 11/1011:40SFO - LHR

1 stop13h 55mUnited Airlines

Deal found 16/9£384

Thu 5/317:45LCY - SFO

1 stop30h 45mSWISS

Mon 9/320:25SFO - LCY

1 stop13h 40mSWISS

Deal found 15/9£386

Sun 15/206:30LHR - SFO

1 stop13h 20mDelta

Fri 6/316:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£394

Wed 8/1016:15LHR - SFO

Nonstop11h 05mLufthansa

Wed 15/1013:05SFO - LHR

Nonstop10h 20mLufthansa

Deal found 16/9£394

Fri 3/1008:20LHR - SJC

1 stop16h 21mBritish Airways

Wed 8/1013:15SJC - LHR

1 stop17h 10mBritish Airways

Deal found 15/9£397

Sat 27/908:20LHR - OAK

2 stops22h 28mVirgin Atlantic

Tue 30/906:00OAK - LHR

1 stop19h 50mVirgin Atlantic

Deal found 15/9£414

Thu 30/1009:00STN - SFO

2 stops34h 50mMultiple Airlines

Thu 6/1113:55SFO - STN

2 stops19h 35mMultiple Airlines

Deal found 15/9£423

Mon 20/1016:25LGW - SFO

1 stop29h 10mTAP AIR PORTUGAL

Sat 25/1019:35SFO - LGW

1 stop31h 15mTAP AIR PORTUGAL

Deal found 16/9£458

Sat 1/1111:40LGW - SFO

1 stop33h 00mAir Transat

Tue 18/1113:40SFO - LGW

1 stop36h 05mAir Transat

Deal found 15/9£527

Wed 7/111:55LGW - OAK

2 stops19h 43mIcelandair

Wed 21/110:10OAK - LGW

2 stops16h 45mIcelandair

Deal found 16/9£576

Wed 5/1110:05LHR - SFO

Nonstop11h 15mUnited Airlines

Sat 15/1112:50SFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 15/9£392

Sat 4/1016:15LHR - SFO

Nonstop11h 05mLufthansa

Sat 11/1013:02SFO - LHR

1 stop13h 38mLufthansa

Deal found 16/9£394

Tue 18/1110:05LHR - SJC

1 stop18h 43mBritish Airways

Thu 27/1106:00SJC - LHR

1 stop18h 35mBritish Airways

Deal found 16/9£397

Fri 20/212:35LHR - SJC

2 stops17h 45mAmerican Airlines

Mon 23/206:09SJC - LHR

2 stops16h 11mAmerican Airlines

Deal found 14/9£397

Tue 17/209:15LCY - SFO

1 stop15h 15mSWISS

Tue 24/219:25SFO - LCY

1 stop15h 15mSWISS

Deal found 16/9£405

Fri 9/111:45LHR - OAK

2 stops43h 08mDelta

Wed 14/113:15OAK - LHR

1 stop12h 45mDelta

Deal found 17/9£408

Wed 1/1017:10LCY - SFO

1 stop26h 35mVirgin Atlantic

Sat 28/213:55SFO - LCY

1 stop15h 20mVirgin Atlantic

Deal found 17/9£422

Sat 4/1010:35LHR - SFO

Nonstop11h 05mUnited Airlines

Mon 13/1013:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 15/9£392

Sat 4/1008:20LHR - SJC

1 stop16h 21mBritish Airways

Sat 11/1013:18SJC - LHR

1 stop15h 27mBritish Airways

Deal found 15/9£397

Fri 21/1115:15STN - SFO

3 stops31h 20mMultiple Airlines

Mon 24/1116:40SFO - STN

2 stops20h 40mMultiple Airlines

Deal found 14/9£440

Mon 16/319:10LCY - SFO

1 stop29h 20mSWISS

Mon 23/320:25SFO - LCY

1 stop15h 15mSWISS

Deal found 16/9£405

Thu 30/1010:45LHR - OAK

1 stop20h 08mDelta

Thu 6/1105:55OAK - LHR

2 stops17h 10mDelta

Deal found 14/9£414

Fri 12/1216:40LGW - SFO

1 stop30h 05mTAP AIR PORTUGAL

Sat 27/1216:35SFO - LGW

2 stops20h 05mTAP AIR PORTUGAL

Deal found 16/9£459

Sun 28/910:35LHR - SFO

Nonstop11h 05mUnited Airlines

Sun 5/1019:50SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 15/9£392

Wed 4/209:50LCY - SFO

1 stop14h 05mLufthansa

Wed 18/214:40SFO - LCY

1 stop19h 00mLufthansa

Deal found 17/9£433

Thu 30/1010:00LCY - SFO

2 stops19h 35mVirgin Atlantic

Thu 6/1113:55SFO - LCY

1 stop18h 40mVirgin Atlantic

Deal found 15/9£433

Thu 9/1008:20LHR - SJC

1 stop16h 34mBritish Airways

Sat 11/1013:18SJC - LHR

1 stop35h 42mBritish Airways

Deal found 15/9£397

Sat 8/1121:10STN - SFO

2 stops30h 25mMultiple Airlines

Sat 15/1114:40SFO - STN

2 stops21h 25mMultiple Airlines

Deal found 15/9£449

Fri 6/311:45LHR - OAK

2 stops43h 08mDelta

Tue 10/317:05OAK - LHR

1 stop33h 55mDelta

Deal found 15/9£416

Direct flights from London to San Francisco Bay Area
Explore direct flight options from London to San Francisco Bay Area based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Thu 2/1016:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Sun 12/1016:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£383

Tue 30/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Tue 14/1016:30SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 16/9£384

Fri 6/211:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Tue 10/216:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 16/9£385

Tue 24/210:05LHR - SFO

Nonstop11h 15mMultiple Airlines

Sun 1/312:50SFO - LHR

Nonstop10h 35mMultiple Airlines

Deal found 15/9£386

Wed 28/111:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Mon 9/216:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 15/9£387

Tue 7/1016:15LHR - SFO

Nonstop11h 05mLufthansa

Thu 16/1013:05SFO - LHR

Nonstop10h 20mLufthansa

Deal found 16/9£388

Tue 25/1111:45LHR - SFO

Nonstop11h 15mBritish Airways

Tue 2/1220:40SFO - LHR

Nonstop10h 30mBritish Airways

Deal found 15/9£389

Thu 2/1016:15LHR - SFO

Nonstop11h 05mUnited Airlines

Wed 15/1013:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 16/9£389

Sat 27/916:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Sat 11/1021:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£391

Fri 3/1010:35LHR - SFO

Nonstop11h 05mUnited Airlines

Tue 7/1013:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 15/9£392

Sat 27/910:35LHR - SFO

Nonstop11h 05mUnited Airlines

Tue 4/1112:50SFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 16/9£392

Tue 30/912:20LHR - SFO

Nonstop11h 05mAustrian Airlines

Tue 7/1013:05SFO - LHR

Nonstop10h 20mAustrian Airlines

Deal found 15/9£393

Last-minute flights from London to San Francisco Bay Area
Discover last-minute flight deals from London to San Francisco Bay Area. Data last updated 17 September 2025 and is based on user searches.

Sun 21/906:00LHR - SFO

1 stop18h 35mMultiple Airlines

Sun 14/1208:25SFO - LHR

1 stop14h 15mMultiple Airlines

Deal found 16/9£386

Mon 22/908:30LHR - SFO

1 stop15h 30mUnited Airlines

Sun 5/1011:40SFO - LHR

1 stop13h 55mUnited Airlines

Deal found 15/9£389

Wed 24/912:20LGW - SFO

2 stops18h 55mMultiple Airlines

Wed 1/1007:00SFO - LGW

1 stop19h 40mMultiple Airlines

Deal found 16/9£386

Wed 24/906:30LHR - SFO

1 stop13h 15mDelta

Mon 3/1116:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£387

Thu 25/908:40LHR - SFO

1 stop15h 30mSWISS

Wed 8/1019:30SFO - LHR

2 stops28h 45mSWISS

Deal found 16/9£385

Thu 25/908:30LHR - SFO

2 stops19h 21mAir Canada

Wed 8/1008:30SFO - LHR

1 stop14h 00mAir Canada

Deal found 16/9£386

Wed 1/1006:30LHR - SFO

2 stops19h 15mUnited Airlines

Wed 8/1013:25SFO - LHR

1 stop13h 45mUnited Airlines

Deal found 16/9£383

Thu 2/1008:40LHR - SFO

1 stop15h 30mSWISS

Wed 29/1020:25SFO - LHR

1 stop18h 15mSWISS

Deal found 16/9£383

Thu 2/1012:00LHR - SJC

1 stop17h 05mBritish Airways

Sun 5/1006:00SJC - LHR

1 stop16h 25mBritish Airways

Deal found 15/9£383

Tue 7/1006:30LHR - SFO

1 stop13h 15mDelta

Mon 3/1116:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£388

Fri 31/1010:45LHR - SJC

1 stop18h 32mVirgin Atlantic

Fri 7/1106:35SJC - LHR

1 stop17h 15mVirgin Atlantic

Deal found 16/9£382

Fri 31/1016:30LHR - SJC

1 stop36h 36mMultiple Airlines

Fri 7/1106:00SJC - LHR

2 stops22h 30mMultiple Airlines

Deal found 16/9£389

One-way flights from London to San Francisco Bay Area
Search for one-way flight options from London to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Wed 12/1114:25LHR - SJC

1 stop26h 55mMultiple Airlines

Deal found 16/9£320

Thu 30/1014:00LGW - SJC

2 stops28h 32mMultiple Airlines

Deal found 14/9£325

Wed 12/1110:45LHR - OAK

1 stop21h 18mVirgin Atlantic

Deal found 14/9£334

Wed 12/1112:20LHR - SJC

1 stop14h 45mVirgin Atlantic

Deal found 14/9£334

Tue 11/1110:45LHR - OAK

1 stop21h 18mVirgin Atlantic

Deal found 16/9£334

Tue 11/1112:20LHR - SJC

1 stop14h 45mVirgin Atlantic

Deal found 16/9£334

Sat 13/1209:55LHR - SJC

3 stops58h 07mMultiple Airlines

Deal found 15/9£336

Tue 23/921:10LHR - SFO

1 stop26h 45mAer Lingus

Deal found 16/9£336

Mon 29/916:25LGW - SFO

2 stops29h 10mMultiple Airlines

Deal found 15/9£336

Tue 3/209:20LCY - SFO

2 stops21h 27mVirgin Atlantic

Deal found 16/9£336

Tue 28/1021:55LTN - SFO

3 stops31h 32mMultiple Airlines

Deal found 16/9£337

Thu 6/1118:45LHR - SFO

2 stops29h 20mMultiple Airlines

Deal found 15/9£337

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Jose

LGW - SJC

LGWSJC

London Gatwick

Thu 19/2

11:20-20:45

2 stops41h 25m

San Jose

Mon 23/2

19:25-07:30

2 stops52h 05m

£365

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 4/10

06:30-17:45

2 stops19h 15m

San Francisco

Sat 11/10

11:40-09:35

1 stop13h 55m

£384

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Thu 5/3

17:45-16:30

1 stop30h 45m

San Francisco

Mon 9/3

20:25-17:05

1 stop13h 40m

£386

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 5/11

10:05-13:20

Nonstop11h 15m

San Francisco

Sat 15/11

12:50-07:25

Nonstop10h 35m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 4/10

10:35-13:40

Nonstop11h 05m

San Francisco

Mon 13/10

13:05-07:25

Nonstop10h 20m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 28/9

10:35-13:40

Nonstop11h 05m

San Francisco

Sun 5/10

19:50-14:10

Nonstop10h 20m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 15/2

06:30-11:50

1 stop13h 20m

San Francisco

Fri 6/3

16:30-10:40

Nonstop10h 10m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/10

16:15-19:20

Nonstop11h 05m

San Francisco

Wed 15/10

13:05-07:25

Nonstop10h 20m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 4/10

16:15-19:20

Nonstop11h 05m

San Francisco

Sat 11/10

13:02-10:40

1 stop13h 38m

£394

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 3/10

08:20-16:41

1 stop16h 21m

San Jose

Wed 8/10

13:15-14:25

1 stop17h 10m

£397

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results

...

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?

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.

Weekly flight availability from London to San Francisco Bay Area

The most flights from LON to zzXIH are scheduled on a Monday (42 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).

Reviews of airlines servicing San Francisco Bay Area

Read reviews from past customers who have flown with KLM, United Airlines, andVirgin Atlantic 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

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

United Airlines

7.4

Good

8,924 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

664 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Lufthansa

6.8

Okay

7,407 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,363 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

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 19h 15m. Fly via American Airlines, United Airlines, or SWISS to get the fastest option. There are 5350 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 Virgin Atlantic (£334), Delta (£337), and American Airlines (£337).
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: KLM (86%), Air France (86%), Delta (86%).
What are the cheapest flights from London to San Francisco Bay Area?
On average you can expect to pay £1,777 for a flight from London to San Francisco Bay Area. The cheapest flight overall is £373 while the most popular route, (London Heathrow - San Francisco) is currently priced at £344.
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

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Direct flights to United States

Top 10 airlines flying from London to San Francisco Bay Area

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£234	Average£483	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	Cheapest£333	Average£554	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
TAP AIR PORTUGAL	Cheapest£345	Average£461	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
SWISS	Cheapest£347	Average£432	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£348	Average£552	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Scandinavian Airlines	Cheapest£349	Average£540	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Brussels Airlines	Cheapest£353	Average£470	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Air Canada	Cheapest£354	Average£483	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£359	Average£498	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£362	Average£581	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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.

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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?

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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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Cheap flights from London to San Francisco Bay Area from £320

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

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 17 September 2025.

Round-trip from

One-way from

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Average price

Find flight deals from London to San Francisco Bay Area

Cheapest flights from London to San Francisco Bay AreaExplore 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 17 September 2025.

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 17 September 2025.

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Use the filters below to find and compare flights from London to San Francisco Bay Area that are best for you.

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.

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?

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 17 September 2025.

Weekly flight availability from London to San Francisco Bay Area

Reviews of airlines servicing San Francisco Bay Area

Read reviews from past customers who have flown with KLM, United Airlines, andVirgin Atlantic 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.

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?

What are the cheapest airlines to fly from London to San Francisco Bay Area one-way?

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?

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

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

How can I 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?

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

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

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How does Cheapflights help users find flights from London to San Francisco Bay Area?

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

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

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

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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 17 September 2025.