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

A quick flight from United Kingdom to San Francisco can take about 15h 30m. Alaska Airlines provides one of the quickest options available for as low as £513. Airlines will cover a distance of 5374 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 British Airways, which is currently one of the cheapest options available, starting at £210. Virgin Atlantic flights start at £244 while deals on Alaska Airlines start at £258 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 Stansted - 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 £1,072 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £359 while the most popular route, (London Heathrow - San Francisco) is currently priced at £437.

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 Air Canada (77%), Austrian Airlines (77%) and United Airlines (77%).

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 British Airways, Virgin Atlantic and Lufthansa. 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 11.0 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.

£311+ Cheap Flights from the United Kingdom to San Francisco

Cheap flight deals from United Kingdom to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 26 October 2026.

Thu 19/1114:30 -

1 stop16h 31m

Sun 22/1114:45 -

1 stop13h 05m

Deal found 21/10£387

Fri 20/1113:00 -

1 stop16h 33m

Thu 26/1114:45 -

1 stop13h 05m

Deal found 21/10£389

Fri 20/1111:45 -

Nonstop11h 10m

Thu 26/1117:25 -

Nonstop10h 25m

Deal found 21/10£400

Fri 6/1114:45 -

1 stop31h 25m

Sat 14/1108:33 -

1 stop19h 47m

Deal found 21/10£412

Fri 6/1114:45 -

1 stop14h 02m

Mon 16/1115:08 -

1 stop13h 12m

Deal found 21/10£414

Mon 16/1114:45 -

1 stop14h 58m

Fri 4/1212:39 -

1 stop15h 41m

Deal found 21/10£415

Sat 7/1114:45 -

1 stop14h 02m

Sun 15/1106:08 -

1 stop22h 12m

Deal found 23/10£418

Wed 28/1014:45 -

1 stop15h 04m

Fri 13/1118:48 -

1 stop33h 32m

Deal found 22/10£419

Wed 28/1014:45 -

1 stop28h 41m

Fri 6/1106:08 -

1 stop22h 12m

Deal found 21/10£420

Wed 28/1014:45 -

1 stop28h 41m

Sun 1/1120:58 -

1 stop31h 22m

Deal found 21/10£421

Wed 4/1114:45 -

1 stop35h 16m

Tue 10/1108:33 -

1 stop19h 47m

Deal found 22/10£421

Mon 23/1108:35 -

1 stop15h 55m

Wed 9/1219:25 -

1 stop14h 25m

Deal found 24/10£454

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 26 October 2026.

Fri 13/1114:45 -

1 stop16h 00m

Mon 16/1115:08 -

1 stop13h 12m

Deal found 23/10£436

Tue 24/1106:30 -

2 stops21h 05m

Sat 28/1116:30 -

1 stop35h 05m

Deal found 23/10£498

Fri 20/1109:00 -

1 stop15h 30m

Fri 27/1114:20 -

2 stops19h 30m

Deal found 23/10£513

Tue 24/1111:35 -

1 stop13h 49m

Fri 4/1213:00 -

1 stop12h 40m

Deal found 24/10£522

Mon 23/1121:35 -

2 stops49h 10m

Wed 9/1216:35 -

1 stop33h 15m

Deal found 21/10£534

Thu 21/110:10 -

1 stop36h 40m

Mon 25/116:45 -

1 stop32h 45m

Deal found 25/10£534

Wed 18/1111:50 -

Nonstop11h 00m

Wed 2/1216:40 -

Nonstop10h 15m

Deal found 25/10£572

Fri 20/1117:40 -

1 stop26h 05m

Fri 4/1212:17 -

2 stops16h 33m

Deal found 21/10£589

Wed 25/1106:00 -

2 stops17h 35m

Mon 30/1115:10 -

1 stop22h 10m

Deal found 24/10£590

Fri 4/1208:30 -

1 stop15h 05m

Fri 11/1217:20 -

1 stop15h 30m

Deal found 21/10£636

Sat 21/1106:20 -

1 stop14h 35m

Sat 28/1115:10 -

1 stop22h 10m

Deal found 24/10£649

Mon 7/1208:45 -

1 stop14h 10m

Mon 14/1213:54 -

2 stops16h 36m

Deal found 23/10£673

Fri 20/1114:45 -

1 stop16h 01m

Fri 27/1106:00 -

1 stop22h 20m

Deal found 23/10£436

Wed 11/1114:45 -

1 stop14h 58m

Sun 6/1210:40 -

1 stop17h 40m

Deal found 25/10£436

Fri 22/109:00 -

1 stop15h 30m

Fri 29/119:25 -

2 stops17h 10m

Deal found 23/10£517

Sat 14/1111:50 -

Nonstop11h 00m

Wed 18/1111:44 -

1 stop15h 51m

Deal found 22/10£518

Mon 23/1121:35 -

2 stops49h 10m

Sat 5/1216:35 -

1 stop33h 15m

Deal found 24/10£534

Sun 13/1219:10 -

1 stop27h 40m

Sat 16/116:45 -

1 stop17h 40m

Deal found 21/10£546

Fri 22/107:00 -

2 stops17h 30m

Sun 31/119:25 -

1 stop15h 50m

Deal found 22/10£519

Tue 10/1110:00 -

2 stops20h 27m

Tue 17/1115:10 -

1 stop16h 35m

Deal found 22/10£578

Wed 18/1109:35 -

2 stops62h 30m

Wed 2/1216:35 -

1 stop33h 15m

Deal found 25/10£541

Sun 10/121:05 -

2 stops25h 45m

Fri 22/116:45 -

2 stops32h 50m

Deal found 23/10£546

Fri 13/1106:00 -

1 stop13h 45m

Wed 18/1107:00 -

2 stops17h 35m

Deal found 21/10£647

Tue 15/1206:00 -

1 stop14h 55m

Tue 29/1213:00 -

2 stops20h 40m

Deal found 25/10£590

Mon 23/1119:30 -

2 stops29h 00m

Sat 5/1219:25 -

2 stops18h 00m

Deal found 24/10£540

Sun 6/1214:10 -

2 stops32h 15m

Sun 13/1217:20 -

1 stop30h 55m

Deal found 22/10£655

Tue 17/1112:55 -

2 stops33h 55m

Mon 30/1116:45 -

2 stops33h 00m

Deal found 23/10£549

Fri 8/106:35 -

1 stop16h 20m

Mon 25/114:28 -

2 stops17h 57m

Deal found 21/10£684

Wed 18/1107:45 -

2 stops19h 50m

Wed 2/1206:00 -

2 stops17h 15m

Deal found 25/10£624

Thu 12/1106:00 -

2 stops19h 13m

Tue 24/1110:38 -

2 stops18h 12m

Deal found 25/10£652

Find flight deals from United Kingdom to San Francisco

Round-trip from	£387
One-way from	£307
Popular in	December
Cheapest in	February
Average price	£503
Good round-trip deal	£418 or less
Good one-way deal	£476 or less

Air Canada
19/11-22/11
2 total stops
29h 36m total
United Kingdom to San Francisco

Search Deals

11/12-31/12
3 total stops
37h 40m total
United Kingdom to San Francisco

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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

Cheapest return flight

BirminghamSan Francisco

BHX Birmingham - SFO San Francisco

BHXSFO

Birmingham

Tue 15/12

13:35-14:45

2 stops33h 10m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£312

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Thu 25/2

19:20-14:45

3 stops51h 25m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£322

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Tue 23/2

07:55-14:45

2 stops38h 50m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£338

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Sat 7/11

17:00-14:25

3 stops53h 25m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£345

BirminghamSan Francisco

BHX Birmingham - SFO San Francisco

BHXSFO

Birmingham

Sat 12/12

17:15-14:25

2 stops53h 10m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£353

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Sat 9/1

21:05-20:20

3 stops55h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£358

Newcastle upon TyneSan Francisco

NCL Newcastle upon Tyne - SFO San Francisco

NCLSFO

Newcastle upon Tyne

Sun 13/12

06:40-14:55

1 stop16h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£369

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sun 13/12

19:30-16:30

2 stops29h 00m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£409

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Sat 12/12

09:05-16:30

1 stop15h 25m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£409

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Thu 28/1

13:45-16:55

Nonstop11h 10m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£416

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

LHR-SFO

LGW-SFO

MAN-SFO

BHX-SFO

EDI-SFO

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

GB0-SFO

LHR-SFO

LGW-SFO

MAN-SFO

BHX-SFO

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 £475). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £647). 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 Sunday (32 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 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 144 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?

Friday tends to have the lowest number of delays on this route, whereas Wednesday 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 past year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from United Kingdom to San Francisco?

Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown with Virgin Atlantic,Aer Lingus, andUnited Airlines 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.

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.5

Good

697 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Aer Lingus

7.3

Good

1,858 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

United Airlines

7.3

Good

10,443 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Lufthansa

6.8

Okay

8,291 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

British Airways

6.7

Okay

8,271 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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 11.0 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 15h 30m. Alaska Airlines provides one of the quickest options available for as low as £513. Airlines will cover a distance of 5374 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 British Airways, which is currently one of the cheapest options available, starting at £210. Virgin Atlantic flights start at £244 while deals on Alaska Airlines start at £258 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 Stansted - 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 Air Canada (77%), Austrian Airlines (77%) and United Airlines (77%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,072 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £359 while the most popular route, (London Heathrow - San Francisco) is currently priced at £437.
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 £475). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £647). 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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Top 10 airlines flying from United Kingdom to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£184	Average£677	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Delta	Cheapest£338	Average£706	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
SWISS	Cheapest£351	Average£612	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
TAP AIR PORTUGAL	Cheapest£361	Average£481	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Alaska Airlines	Cheapest£363	Average£450	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Brussels Airlines	Cheapest£373	Average£504	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Lufthansa	Cheapest£375	Average£624	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Austrian Airlines	Cheapest£375	Average£507	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Air Canada	Cheapest£379	Average£792	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£383	Average£629	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find United Kingdom to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to San Francisco.

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

Yes, we can. To see specific flights from United Kingdom to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from the United Kingdom to San Francisco from £311

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/12. 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

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 26 October 2026.

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 26 October 2026.

Best flights from United Kingdom to San FranciscoDiscover 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 26 October 2026.

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 26 October 2026.

Direct flights from United Kingdom to San FranciscoExplore 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 26 October 2026.

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 26 October 2026.

Last-minute flights from United Kingdom to San FranciscoDiscover last-minute flight deals from United Kingdom to San Francisco. Data last updated 26 October 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 26 October 2026 and is based on user searches.

One-way flights from United Kingdom to San FranciscoSearch for one-way flight options from United Kingdom to San Francisco. Find affordable one-way fares based on user searches. Data last updated 26 October 2026.

Search for one-way flight options from United Kingdom to San Francisco. Find affordable one-way fares based on user searches. Data last updated 26 October 2026.

Find flight deals from United Kingdom to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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 26 October 2026.

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 Sunday (32 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 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 144 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?

Friday tends to have the lowest number of delays on this route, whereas Wednesday 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 past year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from United Kingdom to San Francisco?

Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing San Francisco

Related info for your journey

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

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

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

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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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Direct flights to California

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United Kingdom and San Francisco flights

Browse other United Kingdom and San Francisco flight options. Last updated on 26 October 2026.

Popular flight searches

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Other flights to San Francisco

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United Kingdom to San Francisco flights

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Top 10 airlines flying from United Kingdom to San Francisco

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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 26 October 2026.

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 26 October 2026.

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 26 October 2026.

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 26 October 2026 and is based on user searches.

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 26 October 2026.