How long is the flight from United Kingdom to San Francisco?

Airlines like Scandinavian Airlines, TAP AIR PORTUGAL, and SWISS fly from United Kingdom to San Francisco in about 26h 45m. The time it takes to get you to your destination can typically vary by up to 22h 20m. The distance from United Kingdom to San Francisco is about 5350 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?

The cheapest airline one-way is SWISS, with whom users have recently found tickets for as low as $476. However, be on the lookout for offers from Lufthansa and United Airlines, as they are both options that can get you from United Kingdom to San Francisco for a low price.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular routes from United Kingdom to San Francisco?

When deciding which route to take from United Kingdom to San Francisco consider London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco as they are the most popular.

What are the cheapest flights from United Kingdom to San Francisco?

On average you can expect to pay $2,097 for a flight from United Kingdom to San Francisco. The cheapest flight overall is $508 while the most popular route, (London Heathrow - San Francisco) is currently priced at $476.

What are the most reliable airlines from United Kingdom to San Francisco?

Before booking your flight to San Francisco from United Kingdom, check out the most reliable airlines to get you to your destination on time: Air New Zealand (87%), KLM (85%), Air France( 85%).

What are the most popular airlines that fly from United Kingdom to San Francisco?

British Airways, United Airlines and Lufthansa are the most popular airlines when flying from United Kingdom to San Francisco.

What airport do you fly into for flights to San Francisco from United Kingdom?

San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly into when you book flights from United Kingdom to San Francisco.

Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?

Yes. In addition to deals on United Kingdom to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from United Kingdom to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to San Francisco.

Can I find deals for business class flights from United Kingdom to San Francisco?

Yes. Cheapflights offers flight deals from United Kingdom to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$379+ Flights from the United Kingdom to San Francisco

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Find flight deals from United Kingdom to San Francisco

Cheapest flights from United Kingdom to San Francisco
Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Thu 11/207:55 pmLHR - SFO

1 stop28h 10mTAP AIR PORTUGAL

Wed 12/34:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/28

$511

Wed 11/196:00 amLHR - SFO

1 stop16h 30mTAP AIR PORTUGAL

Wed 12/34:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/29

$512

Tue 12/910:40 amLGW - SFO

1 stop35h 50mTAP AIR PORTUGAL

Fri 1/167:10 pmSFO - LGW

1 stop30h 40mTAP AIR PORTUGAL

Deal found 10/28

$515

Sat 11/86:00 amLHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Sat 11/154:35 pmSFO - LHR

1 stop36h 05mTAP AIR PORTUGAL

Deal found 10/29

$516

Mon 12/86:00 amLHR - SFO

1 stop16h 35mTAP AIR PORTUGAL

Sat 1/174:35 pmSFO - LHR

1 stop18h 20mTAP AIR PORTUGAL

Deal found 10/28

$525

Thu 12/47:55 pmLHR - SFO

1 stop28h 10mTAP AIR PORTUGAL

Wed 12/104:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/29

$526

Thu 11/204:00 pmLGW - SFO

1 stop32h 05mTAP AIR PORTUGAL

Sat 11/294:35 pmSFO - LGW

2 stops33h 30mTAP AIR PORTUGAL

Deal found 10/28

$526

Mon 12/86:00 amLHR - SFO

1 stop16h 35mTAP AIR PORTUGAL

Fri 1/167:10 pmSFO - LHR

1 stop15h 45mTAP AIR PORTUGAL

Deal found 10/29

$527

Wed 11/196:00 amLHR - SFO

1 stop16h 30mTAP AIR PORTUGAL

Fri 11/287:10 pmSFO - LHR

1 stop15h 45mTAP AIR PORTUGAL

Deal found 10/28

$530

Fri 12/56:00 amLHR - SFO

1 stop18h 05mTAP AIR PORTUGAL

Mon 12/84:35 pmSFO - LHR

1 stop22h 05mTAP AIR PORTUGAL

Deal found 10/30

$531

Fri 11/77:55 pmLHR - SFO

1 stop26h 50mTAP AIR PORTUGAL

Sat 12/64:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/28

$532

Fri 11/77:55 pmLHR - SFO

1 stop26h 50mTAP AIR PORTUGAL

Fri 11/147:10 pmSFO - LHR

1 stop18h 25mTAP AIR PORTUGAL

Deal found 10/28

$540

Best flights from United Kingdom to San Francisco
Discover carefully curated flight deals from United Kingdom to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

Mon 11/108:50 amLTN - SFO

1 stop14h 45mMultiple Airlines

Fri 11/145:20 pmSFO - LTN

1 stop14h 05mMultiple Airlines

Deal found 10/28

$563

Mon 3/27:50 pmLHR - SFO

2 stops26h 45mScandinavian Airlines

Tue 3/105:40 pmSFO - LHR

2 stops18h 10mScandinavian Airlines

Deal found 10/29

$582

Mon 11/179:25 pmLGW - SFO

2 stops49h 05mTAP AIR PORTUGAL

Mon 12/14:35 pmSFO - LGW

1 stop15h 10mTAP AIR PORTUGAL

Deal found 10/29

$601

Wed 1/149:00 amLHR - SFO

1 stop15h 30mUnited Airlines

Wed 1/285:25 pmSFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 10/30

$617

Sun 12/1411:45 amLHR - SFO

Nonstop11h 15mBritish Airways

Wed 1/710:30 pmSFO - LHR

1 stop13h 30mBritish Airways

Deal found 10/30

$644

Wed 11/1911:40 amLHR - SFO

Nonstop11h 00mVirgin Atlantic

Wed 11/264:30 pmSFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 10/29

$648

Fri 12/56:40 pmLGW - SFO

1 stop29h 50mSWISS

Tue 12/97:25 pmSFO - LGW

1 stop14h 25mSWISS

Deal found 10/29

$649

Wed 12/39:50 amLCY - SFO

1 stop14h 05mLufthansa

Tue 12/96:50 pmSFO - LCY

1 stop13h 50mLufthansa

Deal found 10/29

$650

Tue 3/35:50 amEDI - SFO

1 stop14h 00mDelta

Tue 3/176:05 amSFO - EDI

2 stops21h 35mDelta

Deal found 10/30

$734

Thu 3/512:15 pmNCL - SFO

1 stop14h 30mAmerican Airlines

Mon 3/911:34 amSFO - NCL

2 stops20h 21mAmerican Airlines

Deal found 10/29

$783

Thu 11/136:00 amBHX - SFO

2 stops23h 22mAir Canada

Wed 12/108:25 amSFO - BHX

2 stops20h 20mAir Canada

Deal found 10/30

$823

Sun 12/144:00 pmNCL - SFO

1 stop31h 35mAer Lingus

Sun 12/216:20 pmSFO - NCL

1 stop30h 10mAer Lingus

Deal found 10/30

$1,057

Fri 12/266:00 amNCL - SFO

1 stop13h 50mKLM

Sun 1/41:55 pmSFO - NCL

1 stop34h 50mKLM

Deal found 10/30

$1,125

Thu 12/49:05 pmLHR - SFO

2 stops25h 30mScandinavian Airlines

Mon 12/84:40 pmSFO - LHR

2 stops18h 10mScandinavian Airlines

Deal found 10/28

$587

Mon 11/106:30 amSTN - SFO

1 stop17h 05mMultiple Airlines

Fri 11/145:20 pmSFO - STN

1 stop15h 15mMultiple Airlines

Deal found 10/30

$597

Tue 11/259:00 amLHR - SFO

1 stop15h 30mUnited Airlines

Mon 12/112:43 amSFO - LHR

1 stop22h 47mUnited Airlines

Deal found 10/28

$617

Thu 12/116:40 amLHR - SFO

1 stop15h 55mScandinavian Airlines

Sun 1/184:40 pmSFO - LHR

1 stop21h 00mScandinavian Airlines

Deal found 10/29

$587

Mon 12/159:25 pmLGW - SFO

2 stops49h 05mTAP AIR PORTUGAL

Wed 1/74:35 pmSFO - LGW

1 stop33h 15mTAP AIR PORTUGAL

Deal found 10/30

$649

Thu 3/56:40 pmLGW - SFO

1 stop29h 50mSWISS

Mon 3/98:25 pmSFO - LGW

1 stop14h 25mSWISS

Deal found 10/29

$653

Wed 2/259:50 amLCY - SFO

1 stop14h 05mLufthansa

Wed 3/46:55 pmSFO - LCY

1 stop13h 45mLufthansa

Deal found 10/28

$660

Mon 11/175:05 pmLCY - SFO

1 stop26h 45mVirgin Atlantic

Sun 11/301:55 pmSFO - LCY

1 stop18h 40mVirgin Atlantic

Deal found 10/29

$675

Tue 1/139:00 amLHR - SFO

1 stop15h 30mUnited Airlines

Thu 2/1212:50 pmSFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 10/29

$621

Tue 1/137:15 pmLCY - SFO

2 stops33h 33mBritish Airways

Sun 2/152:26 pmSFO - LCY

2 stops40h 09mBritish Airways

Deal found 10/29

$685

Fri 12/51:55 pmSTN - SFO

2 stops29h 55mMultiple Airlines

Wed 12/101:55 pmSFO - STN

2 stops21h 45mMultiple Airlines

Deal found 10/28

$646

Thu 11/207:30 pmLHR - SFO

1 stop27h 05mScandinavian Airlines

Sat 11/294:40 pmSFO - LHR

1 stop17h 50mScandinavian Airlines

Deal found 10/27

$589

Wed 12/106:40 pmLGW - SFO

1 stop29h 50mSWISS

Fri 1/167:25 pmSFO - LGW

1 stop14h 25mSWISS

Deal found 10/28

$656

Tue 1/135:50 amEDI - SFO

2 stops20h 48mDelta

Thu 2/2610:31 amSFO - EDI

2 stops16h 09mDelta

Deal found 10/30

$737

Wed 11/265:50 pmLCY - SFO

1 stop26h 00mVirgin Atlantic

Wed 12/35:50 amSFO - LCY

2 stops18h 20mVirgin Atlantic

Deal found 10/29

$678

Wed 1/219:00 amLHR - SFO

1 stop15h 30mUnited Airlines

Wed 2/412:50 pmSFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 10/29

$622

Sun 11/910:40 amLGW - SFO

1 stop35h 55mTAP AIR PORTUGAL

Mon 12/84:35 pmSFO - LGW

1 stop15h 10mTAP AIR PORTUGAL

Deal found 10/30

$700

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated October 30, 2025 and is based on user searches.

Fri 11/77:55 pmLHR - SFO

1 stop26h 50mTAP AIR PORTUGAL

Sat 12/64:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/28

$532

Fri 11/77:55 pmLHR - SFO

1 stop26h 50mTAP AIR PORTUGAL

Fri 11/147:10 pmSFO - LHR

1 stop18h 25mTAP AIR PORTUGAL

Deal found 10/28

$540

Sat 11/86:00 amLHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Sat 11/154:35 pmSFO - LHR

1 stop36h 05mTAP AIR PORTUGAL

Deal found 10/29

$516

Wed 11/126:50 amLTN - SFO

1 stop16h 45mMultiple Airlines

Wed 11/195:20 pmSFO - LTN

1 stop21h 45mMultiple Airlines

Deal found 10/29

$562

Fri 11/146:40 amLHR - SFO

1 stop15h 55mScandinavian Airlines

Sun 11/164:40 pmSFO - LHR

1 stop17h 00mScandinavian Airlines

Deal found 10/30

$548

Fri 11/146:40 amLHR - SFO

1 stop15h 55mScandinavian Airlines

Fri 3/64:40 pmSFO - LHR

1 stop15h 20mScandinavian Airlines

Deal found 10/29

$550

Wed 11/196:00 amLHR - SFO

1 stop16h 30mTAP AIR PORTUGAL

Wed 12/34:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/29

$512

Wed 11/196:00 amLHR - SFO

1 stop16h 30mTAP AIR PORTUGAL

Fri 11/287:10 pmSFO - LHR

1 stop15h 45mTAP AIR PORTUGAL

Deal found 10/28

$530

Thu 11/207:55 pmLHR - SFO

1 stop28h 10mTAP AIR PORTUGAL

Wed 12/34:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/28

$511

Thu 11/204:00 pmLGW - SFO

1 stop32h 05mTAP AIR PORTUGAL

Fri 11/287:10 pmSFO - LGW

2 stops29h 10mTAP AIR PORTUGAL

Deal found 10/29

$546

Fri 11/217:55 pmLHR - SFO

1 stop26h 50mTAP AIR PORTUGAL

Mon 12/14:35 pmSFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Deal found 10/28

$549

Fri 11/286:40 amLHR - SFO

1 stop15h 55mScandinavian Airlines

Fri 2/64:40 pmSFO - LHR

2 stops32h 55mScandinavian Airlines

Deal found 10/27

$553

One-way flights from United Kingdom to San Francisco
Search for one-way flight options from United Kingdom to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 30, 2025.

Sun 12/145:00 pmMAN - SFO

3 stops55h 51mMultiple Airlines

Deal found 10/28

$379

Tue 2/36:20 amMAN - SFO

2 stops36h 53mMultiple Airlines

Deal found 10/28

$382

Sun 3/86:30 amMAN - SFO

2 stops45h 00mMultiple Airlines

Deal found 10/29

$389

Tue 12/1612:30 pmMAN - SFO

2 stops34h 00mMultiple Airlines

Deal found 10/29

$394

Thu 12/1112:30 pmMAN - SFO

2 stops42h 18mMultiple Airlines

Deal found 10/28

$395

Thu 11/132:15 pmBHX - SFO

3 stops59h 34mMultiple Airlines

Deal found 10/30

$414

Thu 11/134:40 pmMAN - SFO

3 stops57h 09mMultiple Airlines

Deal found 10/29

$427

Sun 11/307:50 pmMAN - SFO

2 stops48h 22mMultiple Airlines

Deal found 10/29

$429

Sun 12/146:00 amEDI - SFO

2 stops40h 35mMultiple Airlines

Deal found 10/30

$435

Tue 11/1112:30 pmMAN - SFO

2 stops34h 00mMultiple Airlines

Deal found 10/29

$439

Sat 3/214:25 pmEDI - SFO

2 stops54h 10mMultiple Airlines

Deal found 10/29

$451

Mon 11/176:15 amEDI - SFO

3 stops48h 12mMultiple Airlines

Deal found 10/29

$460

Cheap flight deals from United Kingdom to San Francisco

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$511 (Kiwi.com)
One-way from	$379 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$654
Good round-trip deal	$651 or less
Good one-way deal	$611 or less

Provider with most accurate pricing for London (LON)-San Francisco flight deals.

Search Deals

Provider most trusted by Cheapflights users for London (LON)-San Francisco flights.

Search Deals

From United Kingdom to San Francisco

Search Deals

One-way flight from United Kingdom to San Francisco

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($112 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Price to beat on a round-trip flight from United Kingdom to San Francisco.

Search Deals

Price to beat on a one-way flight from United Kingdom to San Francisco.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 11/10

8:50 am-3:35 pm

1 stop14h 45m

San Francisco

Fri 11/14

5:20 pm-3:25 pm

1 stop14h 05m

$563

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 3/2

7:50 pm-2:35 pm

2 stops26h 45m

San Francisco

Tue 3/10

5:40 pm-6:50 pm

2 stops18h 10m

$582

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 12/4

9:05 pm-2:35 pm

2 stops25h 30m

San Francisco

Mon 12/8

4:40 pm-6:50 pm

2 stops18h 10m

$587

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 12/11

6:40 am-2:35 pm

1 stop15h 55m

San Francisco

Sun 1/18

4:40 pm-9:40 pm

1 stop21h 00m

$587

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 11/20

7:30 pm-2:35 pm

1 stop27h 05m

San Francisco

Sat 11/29

4:40 pm-6:30 pm

1 stop17h 50m

$589

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 11/10

6:30 am-3:35 pm

1 stop17h 05m

San Francisco

Fri 11/14

5:20 pm-4:35 pm

1 stop15h 15m

$597

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 11/17

9:25 pm-2:30 pm

2 stops49h 05m

San Francisco

Mon 12/1

4:35 pm-3:45 pm

1 stop15h 10m

$601

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 1/14

9:00 am-4:30 pm

1 stop15h 30m

San Francisco

Wed 1/28

5:25 pm-12:00 pm

Nonstop10h 35m

$617

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 11/25

9:00 am-4:30 pm

1 stop15h 30m

San Francisco

Mon 12/1

12:43 am-7:30 am

1 stop22h 47m

$617

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 1/13

9:00 am-4:30 pm

1 stop15h 30m

San Francisco

Thu 2/12

12:50 pm-7:25 am

Nonstop10h 35m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results

...

Best time to book a flight from United Kingdom to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from United Kingdom with our price prediction graph.

Estimated round-trip 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 the United Kingdom to San Francisco

What is the cheapest month to book a flight from United Kingdom to San Francisco?

Currently, December is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of $453). Flying from United Kingdom to San Francisco in July is currently the most expensive (average of $613). 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 GB to SFO?

It’s typically best to fly out from United Kingdom to San Francisco in the evening. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing San Francisco

See what other customers who have flown with Delta, Austrian Airlines, and United Airlines from the United Kingdom to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

7,998 reviews

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

Delta

7.9

Good

7,998 reviews

Delta

7.9

Good

7,998 reviews

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

Austrian Airlines

7.6

Good

862 reviews

Delta

7.9

Good

7,998 reviews

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

United Airlines

7.4

Good

8,995 reviews

Delta

7.9

Good

7,998 reviews

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

Lufthansa

6.8

Okay

7,542 reviews

Delta

7.9

Good

7,998 reviews

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

British Airways

6.7

Okay

7,488 reviews

Delta

7.9

Good

7,998 reviews

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

What airport do you fly into for flights to San Francisco from United Kingdom?
San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly into when you book flights from United Kingdom to San Francisco.
How long is the flight from United Kingdom to San Francisco?
Airlines like Scandinavian Airlines, TAP AIR PORTUGAL, and SWISS fly from United Kingdom to San Francisco in about 26h 45m. The time it takes to get you to your destination can typically vary by up to 22h 20m. The distance from United Kingdom to San Francisco is about 5350 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?
The cheapest airline one-way is SWISS, with whom users have recently found tickets for as low as $476. However, be on the lookout for offers from Lufthansa and United Airlines, as they are both options that can get you from United Kingdom to San Francisco for a low price.
What are the most popular routes from United Kingdom to San Francisco?
When deciding which route to take from United Kingdom to San Francisco consider London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco as they are the most popular.
What are the most reliable airlines from United Kingdom to San Francisco?
Before booking your flight to San Francisco from United Kingdom, check out the most reliable airlines to get you to your destination on time: Air New Zealand (87%), KLM (85%), Air France( 85%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay $2,097 for a flight from United Kingdom to San Francisco. The cheapest flight overall is $508 while the most popular route, (London Heathrow - San Francisco) is currently priced at $476.
Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?
Yes. In addition to deals on United Kingdom to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from United Kingdom to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to San Francisco.
Can I find deals for business class flights from United Kingdom to San Francisco?
Yes. Cheapflights offers flight deals from United Kingdom to San Francisco 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 United Kingdom to San Francisco?
Currently, December is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of $453). Flying from United Kingdom to San Francisco in July is currently the most expensive (average of $613). 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

Roseville

South San Francisco

Santa Cruz

Livermore

Turlock

Watsonville

Sunnyvale

Santa Clara

Antioch

Manteca

Vallejo

Hollister

Vacaville

San Bruno

Foster City

Redwood City

Union City

Fairfield

Burlingame

Lodi

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from United Kingdom to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest$382	Average$581	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$492	Average$873	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$513	Average$764	FlexibilityNo cancel fee	On-time70%
Scandinavian Airlines	Cheapest$520	Average$785	FlexibilityNo cancel fee	On-time77%
Brussels Airlines	Cheapest$530	Average$676	FlexibilityNo cancel fee	On-timeN/A
Virgin Atlantic	Cheapest$538	Average$725	FlexibilityNo cancel fee	On-time72%
Austrian Airlines	Cheapest$539	Average$727	FlexibilityNo cancel fee	On-time78%
United Airlines	Cheapest$540	Average$682	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$545	Average$669	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$555	Average$708	FlexibilityNo cancel fee	On-timeN/A

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$379+ Cheap flights from the United Kingdom to San Francisco (SFO)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from United Kingdom to San FranciscoExplore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Cheap flight deals from United Kingdom to San Francisco

Keep the following information in mind while searching for United Kingdom to San Francisco flight deals. Data was last updated October 30, 2025.

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Best time to book a flight from United Kingdom to San Francisco

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What is the cheapest time of day to fly from GB to SFO?

Find hourly flight availability from United Kingdom to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Reviews of airlines servicing San Francisco

See what other customers who have flown with Delta, Austrian Airlines, and United Airlines from the United Kingdom to San Francisco have to say. 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 United Kingdom to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Cheapest flights from United Kingdom to San Francisco
Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.