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

Airlines like Scandinavian Airlines, British Airways, and TAP AIR PORTUGAL fly from United Kingdom to San Francisco in about 14h 20m. The time it takes to get you to your destination can typically vary by up to 46h 05m. The distance from United Kingdom to San Francisco is about 5021 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 Scandinavian Airlines, with whom users have recently found tickets for as low as $304. However, be on the lookout for offers from TAP AIR PORTUGAL and WestJet, 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 $1,473 for a flight from United Kingdom to San Francisco. The cheapest flight overall is $457 while the most popular route, (London Heathrow - San Francisco) is currently priced at $423.

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 (88%), Air France (86%), Delta( 86%).

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.

$365+ Flights from the United Kingdom to San Francisco

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Cheap 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 December 18, 2025.

Thu 12/2511:50 amLHR - SFO

1 stop14h 47mBritish Airways

Sat 1/105:30 pmSFO - LHR

Nonstop10h 30mBritish Airways

Deal found 12/17

$632

Wed 12/243:25 pmLHR - SFO

Nonstop11h 20mBritish Airways

Wed 1/75:30 pmSFO - LHR

Nonstop10h 30mBritish Airways

Deal found 12/17

$633

Fri 12/268:25 amLHR - SFO

1 stop15h 10mBritish Airways

Sat 1/105:20 pmSFO - LHR

1 stop13h 05mBritish Airways

Deal found 12/17

$636

Fri 12/268:25 amLHR - SFO

1 stop15h 10mMultiple Airlines

Thu 1/88:00 amSFO - LHR

1 stop16h 35mMultiple Airlines

Deal found 12/17

$637

Thu 12/2511:45 amLHR - SFO

Nonstop11h 15mAmerican Airlines

Wed 1/78:40 pmSFO - LHR

Nonstop10h 30mAmerican Airlines

Deal found 12/17

$641

Thu 12/253:25 pmLHR - SFO

Nonstop11h 20mAmerican Airlines

Mon 12/294:11 pmSFO - LHR

1 stop15h 19mAmerican Airlines

Deal found 12/16

$642

Thu 12/254:00 pmLGW - SFO

1 stop32h 05mTAP AIR PORTUGAL

Sat 1/174:35 pmSFO - LGW

2 stops20h 05mTAP AIR PORTUGAL

Deal found 12/15

$643

Thu 12/258:20 amLHR - SFO

1 stop16h 44mAmerican Airlines

Tue 1/65:30 pmSFO - LHR

Nonstop10h 30mAmerican Airlines

Deal found 12/16

$644

Thu 12/256:30 pmLHR - SFO

1 stop29h 35mTAP AIR PORTUGAL

Mon 12/294:35 pmSFO - LHR

1 stop22h 05mTAP AIR PORTUGAL

Deal found 12/16

$645

Fri 12/264:55 pmLHR - SFO

1 stop33h 42mFinnair

Sat 1/1011:15 amSFO - LHR

2 stops26h 55mFinnair

Deal found 12/17

$646

Thu 12/254:30 pmLHR - SFO

1 stop31h 35mTAP AIR PORTUGAL

Sat 1/104:35 pmSFO - LHR

1 stop21h 00mTAP AIR PORTUGAL

Deal found 12/16

$652

Sat 12/2711:50 amLHR - SFO

1 stop15h 46mMultiple Airlines

Mon 12/294:11 pmSFO - LHR

1 stop15h 19mMultiple Airlines

Deal found 12/17

$653

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 December 18, 2025.

Thu 1/294:30 pmGLA - SFO

2 stops30h 05mMultiple Airlines

Thu 2/54:40 pmSFO - GLA

2 stops20h 45mMultiple Airlines

Deal found 12/15

$600

Thu 3/57:10 pmBHX - SFO

1 stop27h 25mScandinavian Airlines

Mon 3/95:40 pmSFO - BHX

1 stop17h 50mScandinavian Airlines

Deal found 12/14

$610

Wed 2/48:40 amGLA - SFO

1 stop14h 20mBritish Airways

Mon 2/95:30 pmSFO - GLA

1 stop18h 55mBritish Airways

Deal found 12/17

$643

Sat 1/3110:10 amLGW - SFO

2 stops60h 25mTAP AIR PORTUGAL

Sat 2/74:35 pmSFO - LGW

1 stop33h 15mTAP AIR PORTUGAL

Deal found 12/17

$659

Thu 3/59:25 amEDI - SFO

2 stops22h 34mUnited Airlines

Mon 3/911:59 pmSFO - EDI

2 stops23h 56mUnited Airlines

Deal found 12/17

$664

Thu 3/56:00 amEDI - SFO

2 stops26h 16mLufthansa

Thu 3/127:50 pmSFO - EDI

1 stop14h 15mLufthansa

Deal found 12/18

$678

Tue 1/1311:40 amLGW - SFO

1 stop33h 03mAir Transat

Sat 1/241:45 pmSFO - LGW

1 stop36h 00mAir Transat

Deal found 12/17

$692

Mon 1/197:30 pmLHR - SFO

2 stops53h 00mSWISS

Mon 2/27:25 pmSFO - LHR

2 stops18h 00mSWISS

Deal found 12/16

$699

Thu 3/56:50 amEDI - SFO

2 stops19h 52mFinnair

Wed 3/189:40 pmSFO - EDI

1 stop15h 10mFinnair

Deal found 12/17

$700

Fri 3/610:55 amEDI - SFO

1 stop15h 50mAmerican Airlines

Wed 3/116:30 pmSFO - EDI

1 stop15h 35mAmerican Airlines

Deal found 12/17

$705

Mon 1/195:05 pmLCY - SFO

1 stop26h 45mVirgin Atlantic

Mon 2/27:00 amSFO - LCY

2 stops17h 50mVirgin Atlantic

Deal found 12/16

$712

Thu 4/235:45 pmSTN - SFO

1 stop25h 00mTurkish Airlines

Mon 4/2712:50 pmSFO - STN

1 stop20h 00mTurkish Airlines

Deal found 12/17

$915

Thu 1/157:10 pmBHX - SFO

1 stop27h 25mScandinavian Airlines

Mon 2/234:40 pmSFO - BHX

1 stop17h 50mScandinavian Airlines

Deal found 12/16

$611

Fri 1/305:50 amLTN - SFO

1 stop17h 45mMultiple Airlines

Fri 2/65:20 pmSFO - LTN

1 stop18h 50mMultiple Airlines

Deal found 12/16

$644

Wed 2/2512:45 pmGLA - SFO

1 stop14h 00mBritish Airways

Thu 3/126:30 pmSFO - GLA

1 stop13h 40mBritish Airways

Deal found 12/16

$665

Wed 1/149:00 amLHR - SFO

1 stop15h 30mUnited Airlines

Sat 1/2412:50 pmSFO - LHR

Nonstop10h 35mUnited Airlines

Deal found 12/17

$665

Mon 1/269:25 pmLGW - SFO

2 stops49h 05mTAP AIR PORTUGAL

Sat 1/314:35 pmSFO - LGW

1 stop33h 15mTAP AIR PORTUGAL

Deal found 12/16

$679

Thu 3/56:50 amEDI - SFO

1 stop16h 10mAmerican Airlines

Tue 3/109:40 pmSFO - EDI

1 stop13h 25mAmerican Airlines

Deal found 12/17

$705

Sat 1/1711:40 amLGW - SFO

1 stop33h 03mAir Transat

Wed 1/211:45 pmSFO - LGW

1 stop36h 00mAir Transat

Deal found 12/17

$705

Thu 4/237:50 pmLHR - SFO

2 stops26h 50mScandinavian Airlines

Mon 4/274:45 pmSFO - LHR

2 stops18h 05mScandinavian Airlines

Deal found 12/17

$642

Mon 1/128:05 pmLCY - SFO

1 stop23h 45mVirgin Atlantic

Mon 1/267:00 amSFO - LCY

2 stops17h 10mVirgin Atlantic

Deal found 12/15

$712

Mon 3/98:30 pmSTN - SFO

2 stops26h 05mMultiple Airlines

Fri 3/205:40 pmSFO - STN

2 stops20h 05mMultiple Airlines

Deal found 12/17

$649

Wed 2/2512:45 pmGLA - SFO

1 stop14h 00mBritish Airways

Tue 3/109:40 pmSFO - GLA

1 stop13h 35mBritish Airways

Deal found 12/16

$665

Wed 2/259:25 amEDI - SFO

2 stops24h 03mUnited Airlines

Wed 3/1111:59 pmSFO - EDI

2 stops23h 56mUnited Airlines

Deal found 12/18

$677

Mon 3/211:00 amEDI - SFO

1 stop15h 45mAmerican Airlines

Fri 3/136:30 pmSFO - EDI

1 stop13h 50mAmerican Airlines

Deal found 12/17

$705

Wed 3/48:40 amLCY - SFO

2 stops20h 17mVirgin Atlantic

Tue 3/176:00 amSFO - LCY

2 stops19h 10mVirgin Atlantic

Deal found 12/15

$717

Sat 12/2711:50 amLHR - SFO

1 stop15h 46mMultiple Airlines

Mon 12/294:11 pmSFO - LHR

1 stop15h 19mMultiple Airlines

Deal found 12/17

$653

Wed 1/287:10 pmBHX - SFO

1 stop25h 55mScandinavian Airlines

Mon 2/27:10 amSFO - BHX

2 stops27h 20mScandinavian Airlines

Deal found 12/14

$664

Wed 2/2512:45 pmGLA - SFO

1 stop14h 00mBritish Airways

Mon 3/99:40 pmSFO - GLA

1 stop13h 35mBritish Airways

Deal found 12/16

$665

Thu 3/59:25 amEDI - SFO

2 stops30h 22mUnited Airlines

Thu 3/126:00 amSFO - EDI

2 stops20h 30mUnited Airlines

Deal found 12/18

$681

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated December 18, 2025 and is based on user searches.

Wed 12/243:25 pmLHR - SFO

Nonstop11h 20mBritish Airways

Wed 1/75:30 pmSFO - LHR

Nonstop10h 30mBritish Airways

Deal found 12/17

$633

Thu 12/2511:50 amLHR - SFO

1 stop14h 47mBritish Airways

Sat 1/105:30 pmSFO - LHR

Nonstop10h 30mBritish Airways

Deal found 12/17

$632

Fri 12/268:25 amLHR - SFO

1 stop15h 10mBritish Airways

Sat 1/105:20 pmSFO - LHR

1 stop13h 05mBritish Airways

Deal found 12/17

$636

Thu 1/83:35 pmLHR - SFO

1 stop28h 34mBritish Airways

Tue 1/138:40 pmSFO - LHR

Nonstop10h 30mBritish Airways

Deal found 12/17

$635

Wed 1/146:50 amLHR - SFO

2 stops22h 32mAir Canada

Wed 2/181:20 pmSFO - LHR

1 stop14h 30mAir Canada

Deal found 12/17

$634

Wed 1/149:20 amLCY - SFO

1 stop15h 10mSWISS

Tue 2/247:25 pmSFO - LCY

1 stop13h 40mSWISS

Deal found 12/17

$635

Thu 1/157:10 pmBHX - SFO

1 stop27h 25mScandinavian Airlines

Mon 2/234:40 pmSFO - BHX

1 stop17h 50mScandinavian Airlines

Deal found 12/15

$610

Thu 1/157:10 pmBHX - SFO

1 stop27h 25mScandinavian Airlines

Thu 2/264:40 pmSFO - BHX

1 stop17h 50mScandinavian Airlines

Deal found 12/15

$630

Fri 1/169:10 amLCY - SFO

1 stop14h 25mBritish Airways

Mon 1/195:20 pmSFO - LCY

1 stop17h 15mBritish Airways

Deal found 12/17

$632

Thu 1/297:10 pmBHX - SFO

1 stop27h 25mScandinavian Airlines

Thu 2/54:40 pmSFO - BHX

1 stop17h 50mScandinavian Airlines

Deal found 12/15

$561

Thu 1/294:30 pmGLA - SFO

2 stops30h 05mMultiple Airlines

Thu 2/54:40 pmSFO - GLA

2 stops20h 45mMultiple Airlines

Deal found 12/15

$600

Fri 1/309:25 pmLGW - SFO

2 stops25h 20mTAP AIR PORTUGAL

Fri 2/67:10 pmSFO - LGW

2 stops29h 10mTAP AIR PORTUGAL

Deal found 12/16

$632

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 December 18, 2025.

Wed 3/46:50 pmEDI - SFO

2 stops49h 55mMultiple Airlines

Deal found 12/17

$365

Thu 3/57:45 amEDI - SFO

2 stops37h 00mMultiple Airlines

Deal found 12/17

$371

Mon 4/2010:25 amGLA - SFO

1 stop39h 30mMultiple Airlines

Deal found 12/14

$376

Sun 4/125:55 pmMAN - SFO

3 stops47h 35mMultiple Airlines

Deal found 12/15

$377

Sun 1/1812:35 pmBHX - SFO

2 stops55h 37mMultiple Airlines

Deal found 12/16

$378

Sun 4/55:55 pmMAN - SFO

3 stops47h 35mMultiple Airlines

Deal found 12/16

$388

Tue 1/206:15 pmBHX - SFO

2 stops28h 15mMultiple Airlines

Deal found 12/16

$389

Tue 1/137:30 pmBHX - SFO

3 stops48h 42mMultiple Airlines

Deal found 12/17

$395

Tue 3/36:30 pmEDI - SFO

2 stops49h 40mMultiple Airlines

Deal found 12/17

$396

Thu 1/229:45 amBHX - SFO

2 stops38h 20mMultiple Airlines

Deal found 12/16

$400

Mon 1/197:55 pmBHX - SFO

3 stops44h 54mMultiple Airlines

Deal found 12/16

$409

Wed 1/143:05 pmBHX - SFO

2 stops40h 02mMultiple Airlines

Deal found 12/17

$416

Find flight deals from United Kingdom to San Francisco

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$560 (Mytrip)
One-way from	$365 (Kiwi.com)
Popular in	July
Cheapest in	September
Average price	$826
Good round-trip deal	$746 or less
Good one-way deal	$515 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. 13% potential increase in price ($101 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 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

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Thu 1/29

4:30 pm-2:35 pm

2 stops30h 05m

San Francisco

Thu 2/5

4:40 pm-9:25 pm

2 stops20h 45m

$600

BirminghamSan Francisco

BHX - SFO

BHXSFO

Birmingham

Thu 3/5

7:10 pm-2:35 pm

1 stop27h 25m

San Francisco

Mon 3/9

5:40 pm-6:30 pm

1 stop17h 50m

$610

BirminghamSan Francisco

BHX - SFO

BHXSFO

Birmingham

Thu 1/15

7:10 pm-2:35 pm

1 stop27h 25m

San Francisco

Mon 2/23

4:40 pm-6:30 pm

1 stop17h 50m

$611

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 4/23

7:50 pm-2:40 pm

2 stops26h 50m

San Francisco

Mon 4/27

4:45 pm-6:50 pm

2 stops18h 05m

$642

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Wed 2/4

8:40 am-3:00 pm

1 stop14h 20m

San Francisco

Mon 2/9

5:30 pm-8:25 pm

1 stop18h 55m

$643

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Fri 1/30

5:50 am-3:35 pm

1 stop17h 45m

San Francisco

Fri 2/6

5:20 pm-8:10 pm

1 stop18h 50m

$644

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 3/9

8:30 pm-3:35 pm

2 stops26h 05m

San Francisco

Fri 3/20

5:40 pm-8:45 pm

2 stops20h 05m

$649

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 12/27

11:50 am-7:36 pm

1 stop15h 46m

San Francisco

Mon 12/29

4:11 pm-3:30 pm

1 stop15h 19m

$653

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sat 1/31

10:10 am-2:35 pm

2 stops60h 25m

San Francisco

Sat 2/7

4:35 pm-9:50 am

1 stop33h 15m

$659

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Thu 3/5

9:25 am-11:59 pm

2 stops22h 34m

San Francisco

Mon 3/9

11:59 pm-6:55 am

2 stops23h 56m

$664

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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, February is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of $474). Flying from United Kingdom to San Francisco in July is currently the most expensive (average of $611). 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.

Weekly flight availability from United Kingdom to San Francisco

The most flights from GB0 to SFO 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).

How often are flights from the United Kingdom to San Francisco delayed?

About 13% of weekly flights between United Kingdom and San Francisco have experienced delays in the past year, with the average delay time being 141 minutes.

What is the most punctual flight time for the United Kingdom to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to San Francisco flights?

Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 11% of flights being delayed.

Reviews of airlines servicing San Francisco

See what other customers who have flown with Delta, United Airlines, and American 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

8,009 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

8,009 reviews

Delta

7.9

Good

8,009 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

9,095 reviews

Delta

7.9

Good

8,009 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

American Airlines

7.2

Good

11,054 reviews

Delta

7.9

Good

8,009 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

7,637 reviews

Delta

7.9

Good

8,009 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

7,586 reviews

Delta

7.9

Good

8,009 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, British Airways, and TAP AIR PORTUGAL fly from United Kingdom to San Francisco in about 14h 20m. The time it takes to get you to your destination can typically vary by up to 46h 05m. The distance from United Kingdom to San Francisco is about 5021 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 Scandinavian Airlines, with whom users have recently found tickets for as low as $304. However, be on the lookout for offers from TAP AIR PORTUGAL and WestJet, 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 (88%), Air France (86%), Delta( 86%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay $1,473 for a flight from United Kingdom to San Francisco. The cheapest flight overall is $457 while the most popular route, (London Heathrow - San Francisco) is currently priced at $423.
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, February is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of $474). Flying from United Kingdom to San Francisco in July is currently the most expensive (average of $611). 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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Watsonville

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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
Aer Lingus	Cheapest$492	Average$817	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$516	Average$755	FlexibilityNo cancel fee	On-time70%
Scandinavian Airlines	Cheapest$520	Average$793	FlexibilityNo cancel fee	On-time77%
Brussels Airlines	Cheapest$530	Average$703	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$534	Average$680	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$542	Average$666	FlexibilityNo cancel fee	On-time76%
Virgin Atlantic	Cheapest$550	Average$736	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$555	Average$708	FlexibilityNo cancel fee	On-timeN/A
Austrian Airlines	Cheapest$567	Average$720	FlexibilityNo cancel fee	On-time78%
American Airlines	Cheapest$589	Average$752	FlexibilityNo cancel fee	On-time71%

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$365+ 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 3/4. 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 December 18, 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 December 18, 2025.

Find 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 December 18, 2025.

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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 December 18, 2025.

Weekly flight availability from United Kingdom to San Francisco

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Reviews of airlines servicing San Francisco

See what other customers who have flown with Delta, United Airlines, and American 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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Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?

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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 December 18, 2025.