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

A quick flight from United Kingdom to San Francisco can take about 19h 15m. United Airlines provides one of the quickest options available for as low as £384. Airlines will cover a distance of 5350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

To fly one-way, consider booking your trip with Virgin Atlantic, which is currently one of the cheapest options available, starting at £336. JetBlue flights start at £345 while deals on British Airways start at £348 one-way.

In terms of precipitation, rainfall in San Francisco 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 when rainfall is around 0.0 mm.

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 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 United Kingdom to San Francisco?

Most travelers choose London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco when deciding on the best route from United Kingdom to San Francisco.

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

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

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

The most popular airlines flying from United Kingdom to San Francisco are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

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

If you book a flight to San Francisco from United Kingdom, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of 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 holiday 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.

£258+ Flights from the United Kingdom to San Francisco

Cheap flight deals from United Kingdom to San Francisco

Round-trip from	£383
One-way from	£258
Popular in	July
Cheapest in	February
Average price	£422
Good round-trip deal	£436 or less
Good one-way deal	£478 or less

SWISS
2/10-29/10
2 total stops
33h 45m total
United Kingdom to San Francisco

Search Deals

3/10
3 total stops
34h 00m total
United Kingdom to San Francisco

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

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

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 17 September 2025.

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

Tue 25/1111:45LHR - SFO

Nonstop11h 15mBritish Airways

Tue 2/1220:40SFO - LHR

Nonstop10h 30mBritish Airways

Deal found 15/9£389

Wed 1/1009:30LHR - SFO

1 stop18h 21mAir Canada

Tue 7/1008:30SFO - LHR

1 stop14h 00mAir Canada

Deal found 16/9£389

Wed 24/911:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Mon 29/916:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/9£390

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 stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

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

Wed 1/1017:10LCY - SFO

1 stop26h 35mVirgin Atlantic

Sat 28/213:55SFO - LCY

1 stop15h 20mVirgin Atlantic

Deal found 17/9£422

Thu 30/1009:00STN - SFO

2 stops34h 50mMultiple Airlines

Thu 6/1113:55SFO - STN

2 stops19h 35mMultiple Airlines

Deal found 15/9£423

Sun 23/1109:20MAN - SFO

2 stops37h 15mScandinavian Airlines

Mon 31/816:45SFO - MAN

1 stop17h 45mScandinavian Airlines

Deal found 15/9£441

Sat 1/1106:40NCL - SFO

1 stop16h 20mBritish Airways

Sat 15/1120:40SFO - NCL

1 stop17h 40mBritish Airways

Deal found 14/9£448

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

Thu 5/309:30NCL - SFO

1 stop17h 15mAmerican Airlines

Mon 9/318:09SFO - NCL

2 stops17h 31mAmerican Airlines

Deal found 13/9£458

Fri 26/1206:05GLA - SFO

2 stops19h 45mAir France

Wed 21/115:40SFO - GLA

2 stops16h 55mAir France

Deal found 16/9£520

Sat 1/1111:40LGW - SFO

1 stop33h 00mAir Transat

Tue 18/1113:40SFO - LGW

1 stop36h 05mAir Transat

Deal found 15/9£527

Wed 12/1106:00BHX - SFO

2 stops19h 25mAir Canada

Sun 30/1116:20SFO - BHX

2 stops36h 25mAir Canada

Deal found 15/9£581

Tue 14/1008:35GLA - SFO

1 stop15h 20mAer Lingus

Sat 18/1017:40SFO - GLA

1 stop18h 00mAer Lingus

Deal found 16/9£608

Wed 4/311:40GLA - SFO

1 stop15h 05mIberia

Sun 15/321:40SFO - GLA

1 stop16h 45mIberia

Deal found 15/9£612

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 17/209:15LCY - SFO

1 stop15h 15mSWISS

Tue 24/219:25SFO - LCY

1 stop15h 15mSWISS

Deal found 16/9£405

Sat 4/1010:35LHR - SFO

Nonstop11h 05mUnited Airlines

Mon 13/1013:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 15/9£392

Thu 30/1010:00LCY - SFO

2 stops19h 35mVirgin Atlantic

Thu 6/1113:55SFO - LCY

1 stop18h 40mVirgin Atlantic

Deal found 15/9£433

Thu 5/307:45LCY - SFO

1 stop36h 05mDelta

Mon 9/307:00SFO - LCY

2 stops26h 35mDelta

Deal found 14/9£436

Fri 21/1115:15STN - SFO

3 stops31h 20mMultiple Airlines

Mon 24/1116:40SFO - STN

2 stops20h 40mMultiple Airlines

Deal found 14/9£440

Sun 23/1109:20MAN - SFO

2 stops37h 15mScandinavian Airlines

Wed 2/916:45SFO - MAN

1 stop17h 45mScandinavian Airlines

Deal found 15/9£441

Mon 16/319:10LCY - SFO

1 stop29h 20mSWISS

Mon 23/320:25SFO - LCY

1 stop15h 15mSWISS

Deal found 16/9£405

Mon 23/206:05MAN - SFO

1 stop20h 40mBritish Airways

Sat 28/217:30SFO - MAN

1 stop17h 35mBritish Airways

Deal found 17/9£453

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

Thu 5/308:35EDI - SFO

1 stop14h 25mAmerican Airlines

Mon 9/310:37SFO - EDI

2 stops19h 38mAmerican Airlines

Deal found 16/9£461

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 30/1007:45LCY - SFO

2 stops21h 50mVirgin Atlantic

Mon 3/1113:55SFO - LCY

1 stop18h 40mVirgin Atlantic

Deal found 16/9£434

Direct flights from United Kingdom to San Francisco
Explore direct flight options from United Kingdom to San Francisco 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 United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. 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

Wed 24/911:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Mon 29/916:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/9£390

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

Wed 1/1009:30LHR - SFO

1 stop18h 21mAir Canada

Tue 7/1008:30SFO - LHR

1 stop14h 00mAir Canada

Deal found 16/9£389

Thu 2/1008:40LHR - SFO

1 stop15h 30mSWISS

Wed 29/1020:25SFO - LHR

1 stop18h 15mSWISS

Deal found 16/9£383

Fri 3/1011:30LHR - SFO

1 stop14h 45mDelta

Mon 13/1016:05SFO - LHR

Nonstop10h 20mDelta

Deal found 15/9£391

Tue 7/1006:30LHR - SFO

1 stop13h 15mDelta

Mon 3/1116:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£388

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 17 September 2025.

Fri 3/1007:30EDI - SFO

3 stops34h 00mMultiple Airlines

Deal found 16/9£258

Thu 2/1022:45MAN - SFO

3 stops42h 45mMultiple Airlines

Deal found 14/9£265

Mon 2/319:05MAN - SFO

2 stops35h 54mMultiple Airlines

Deal found 15/9£281

Mon 22/907:30EDI - SFO

3 stops58h 00mMultiple Airlines

Deal found 15/9£283

Tue 4/1115:50MAN - SFO

2 stops30h 40mMultiple Airlines

Deal found 16/9£284

Sun 23/1106:00EDI - SFO

2 stops33h 32mMultiple Airlines

Deal found 15/9£289

Wed 22/1008:45MAN - SFO

3 stops44h 55mMultiple Airlines

Deal found 16/9£290

Sun 9/1106:10MAN - SFO

2 stops40h 25mMultiple Airlines

Deal found 14/9£294

Thu 20/1108:30MAN - SFO

2 stops39h 35mMultiple Airlines

Deal found 16/9£297

Sat 15/1117:55EDI - SFO

3 stops52h 40mMultiple Airlines

Deal found 15/9£298

Sat 15/1118:20MAN - SFO

3 stops52h 15mMultiple Airlines

Deal found 15/9£298

Sun 19/1019:45MAN - SFO

2 stops49h 50mMultiple Airlines

Deal found 15/9£306

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

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 Francisco

LCY - SFO

LCYSFO

London City

Tue 17/2

09:15-16:30

1 stop15h 15m

San Francisco

Tue 24/2

19:25-18:40

1 stop15h 15m

£405

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 16/3

19:10-17:30

1 stop29h 20m

San Francisco

Mon 23/3

20:25-18:40

1 stop15h 15m

£405

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 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 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 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 £538). Flying from United Kingdom to San Francisco 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 GB to SFO?

When flying from United Kingdom to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to San Francisco

The most flights from GB0 to SFO 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

Read reviews from past customers who have flown with KLM, United Airlines, andVirgin Atlantic from the United Kingdom to San Francisco. Users can see the overall rating for each airline as well as how each is rated 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

What airport do you fly into for flights to San Francisco from United Kingdom?
If you book a flight to San Francisco from United Kingdom, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.
How long is the flight from United Kingdom to San Francisco?
A quick flight from United Kingdom to San Francisco can take about 19h 15m. United Airlines provides one of the quickest options available for as low as £384. Airlines will cover a distance of 5350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?
To fly one-way, consider booking your trip with Virgin Atlantic, which is currently one of the cheapest options available, starting at £336. JetBlue flights start at £345 while deals on British Airways start at £348 one-way.
What are the most popular routes from United Kingdom to San Francisco?
Most travelers choose London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco when deciding on the best route from United Kingdom to San Francisco.
What are the most reliable airlines from United Kingdom to San Francisco?
The top 3 most reliable airlines when flying from United Kingdom to San Francisco are KLM (86%), Air France (86%) and Delta (86%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,777 for a flight from United Kingdom to San Francisco. 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 United Kingdom to San Francisco that include hotel bookings?
Yes. In addition to deals on United Kingdom to San Francisco flights, Cheapflights offers holiday 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 £538). Flying from United Kingdom to San Francisco 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

Santa Cruz

Newark

South San Francisco

Bodega Bay

Pacific Grove

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
Delta	Cheapest£234	Average£560	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
TAP AIR PORTUGAL	Cheapest£345	Average£523	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
SWISS	Cheapest£347	Average£536	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£348	Average£689	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Scandinavian Airlines	Cheapest£349	Average£509	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£551	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£359	Average£569	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£362	Average£567	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£362	Average£561	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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Cheap flights from the United Kingdom to San Francisco from £258

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 17 September 2025.

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Find flight deals from United Kingdom to San Francisco

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 17 September 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 17 September 2025.

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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.

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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?

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 17 September 2025.

Weekly flight availability from United Kingdom to San Francisco

Reviews of airlines servicing San Francisco

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

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

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Alternative routes for United Kingdom to San Francisco

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Top 10 airlines flying from United Kingdom to San Francisco

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How does Cheapflights help users find flights from United Kingdom to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to San Francisco?

Can Cheapflights find flights from United Kingdom to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from United Kingdom to San Francisco become cheaper?

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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 17 September 2025.