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

A quick flight from United Kingdom to San Francisco can take about 13h 15m. Alaska Airlines provides one of the quickest options available for as low as £496. 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 British Airways, which is currently one of the cheapest options available, starting at £209. Virgin Atlantic flights start at £243 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 £1,091 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £347 while the most popular route, (London Heathrow - San Francisco) is currently priced at £397.

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 (79%), Austrian Airlines (79%) and United Airlines (79%).

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.

£305+ 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 4 November 2026.

Mon 14/1206:00 -

1 stop16h 25m

Sat 9/116:35 -

1 stop16h 55m

Deal found 30/10£385

Thu 19/1106:40 -

1 stop16h 10m

Mon 23/1116:45 -

1 stop17h 45m

Deal found 2/11£397

Fri 20/1114:45 -

1 stop16h 01m

Mon 23/1106:00 -

1 stop22h 20m

Deal found 2/11£406

Fri 20/1106:40 -

1 stop16h 10m

Mon 23/1116:45 -

1 stop15h 15m

Deal found 2/11£408

Wed 18/1114:45 -

1 stop28h 30m

Thu 26/1111:50 -

1 stop16h 30m

Deal found 30/10£413

Fri 13/1114:45 -

1 stop16h 00m

Thu 10/1207:00 -

1 stop21h 20m

Deal found 31/10£416

Sat 5/1214:45 -

1 stop14h 07m

Mon 7/1212:39 -

1 stop15h 41m

Deal found 1/11£420

Sat 21/1114:45 -

1 stop13h 58m

Fri 27/1106:00 -

1 stop22h 20m

Deal found 30/10£420

Thu 19/1114:45 -

1 stop16h 00m

Thu 26/1106:00 -

1 stop22h 20m

Deal found 30/10£421

Wed 9/1214:45 -

1 stop14h 07m

Sun 10/114:12 -

1 stop14h 08m

Deal found 30/10£422

Wed 9/1214:45 -

1 stop14h 07m

Mon 11/114:07 -

1 stop14h 13m

Deal found 1/11£423

Wed 9/1209:00 -

1 stop15h 30m

Thu 28/119:25 -

1 stop14h 25m

Deal found 1/11£452

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 4 November 2026.

Mon 23/1114:45 -

1 stop14h 58m

Mon 22/209:15 -

1 stop19h 05m

Deal found 1/11£433

Thu 3/1209:00 -

1 stop15h 30m

Mon 14/1200:10 -

1 stop21h 45m

Deal found 3/11£488

Sat 12/1206:30 -

1 stop13h 15m

Mon 28/1217:20 -

1 stop15h 10m

Deal found 30/10£496

Sat 5/1206:30 -

1 stop13h 15m

Sat 16/116:40 -

Nonstop10h 15m

Deal found 30/10£503

Fri 29/109:00 -

1 stop15h 30m

Fri 5/219:25 -

2 stops17h 10m

Deal found 30/10£516

Sun 6/1221:25 -

2 stops25h 00m

Sat 16/116:35 -

2 stops20h 05m

Deal found 30/10£517

Tue 2/210:25 -

2 stops36h 25m

Wed 10/216:45 -

2 stops19h 35m

Deal found 30/10£529

Thu 4/311:50 -

Nonstop11h 00m

Thu 11/316:40 -

Nonstop10h 15m

Deal found 3/11£538

Wed 16/1208:30 -

1 stop15h 05m

Wed 23/1217:20 -

1 stop13h 55m

Deal found 1/11£646

Sat 21/1106:30 -

1 stop16h 25m

Sat 28/1120:35 -

1 stop17h 45m

Deal found 1/11£648

Fri 25/1205:50 -

1 stop13h 55m

Sun 10/109:00 -

2 stops17h 30m

Deal found 2/11£656

Fri 8/106:35 -

1 stop16h 20m

Mon 25/108:30 -

2 stops17h 35m

Deal found 1/11£706

Thu 24/1210:05 -

Nonstop11h 15m

Wed 6/112:50 -

Nonstop10h 35m

Deal found 1/11£516

Wed 10/209:00 -

1 stop15h 30m

Tue 16/219:25 -

2 stops18h 00m

Deal found 2/11£520

Mon 21/1209:50 -

1 stop22h 16m

Wed 30/1206:05 -

1 stop18h 55m

Deal found 31/10£520

Fri 20/1116:40 -

1 stop30h 05m

Sat 28/1116:35 -

2 stops33h 30m

Deal found 31/10£525

Mon 1/207:45 -

2 stops19h 46m

Tue 9/206:00 -

2 stops17h 15m

Deal found 1/11£536

Wed 25/1112:55 -

2 stops33h 55m

Wed 2/1216:45 -

1 stop17h 50m

Deal found 1/11£543

Mon 14/1206:30 -

1 stop13h 15m

Tue 29/1217:20 -

1 stop15h 10m

Deal found 2/11£523

Mon 12/416:15 -

Nonstop11h 05m

Fri 23/419:40 -

Nonstop10h 30m

Deal found 31/10£534

Tue 19/109:20 -

2 stops21h 47m

Tue 26/106:00 -

2 stops17h 15m

Deal found 1/11£536

Thu 21/110:10 -

1 stop36h 40m

Mon 25/116:45 -

1 stop32h 45m

Deal found 3/11£543

Mon 23/1121:35 -

2 stops49h 10m

Mon 22/216:35 -

1 stop15h 10m

Deal found 1/11£544

Fri 11/1217:15 -

1 stop26h 30m

Fri 25/1213:50 -

1 stop18h 40m

Deal found 1/11£639

Mon 5/416:15 -

Nonstop11h 05m

Wed 14/412:55 -

Nonstop10h 30m

Deal found 1/11£534

Sat 21/1110:10 -

2 stops60h 15m

Sat 28/1116:35 -

1 stop33h 15m

Deal found 1/11£558

Sun 14/220:25 -

2 stops26h 25m

Sat 20/216:45 -

1 stop17h 50m

Deal found 31/10£561

Mon 23/1105:50 -

1 stop13h 55m

Tue 1/1215:10 -

1 stop22h 10m

Deal found 31/10£683

Sat 9/116:05 -

2 stops62h 54m

Sun 7/217:25 -

1 stop15h 15m

Deal found 1/11£686

Fri 4/1207:45 -

2 stops21h 04m

Sun 6/1207:00 -

2 stops18h 30m

Deal found 4/11£567

Find flight deals from United Kingdom to San Francisco

Round-trip from	£383
One-way from	£305
Popular in	July
Cheapest in	February
Average price	£499
Good round-trip deal	£448 or less
Good one-way deal	£498 or less

Delta
6/3-13/3
2 total stops
30h 28m total
United Kingdom to San Francisco

Search Deals

10/12-31/12
3 total stops
30h 05m total
United Kingdom to San Francisco

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).

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 November 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

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Sun 18/4

11:20-12:49

2 stops57h 29m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£306

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Wed 9/12

20:20-16:05

3 stops51h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£314

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Thu 18/2

08:05-16:05

3 stops40h 00m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£321

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Mon 3/5

15:55-12:00

2 stops52h 05m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£334

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Mon 19/4

19:20-16:00

3 stops52h 40m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£347

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Thu 10/12

09:50-16:05

2 stops38h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£347

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Tue 16/2

07:55-14:45

2 stops38h 50m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£350

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Wed 20/1

19:30-16:30

2 stops29h 00m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£412

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Tue 5/1

06:35-20:10

2 stops21h 35m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£418

ManchesterSan Francisco

MAN Manchester - SFO San Francisco

MANSFO

Manchester

Tue 16/3

11:25-15:45

1 stop35h 20m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£426

Flights are sorted by cheapest return flights first.

Deals found on 2/11

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

LBA-SFO

NCL-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

LBA-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 £473). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £643). 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 (32 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 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

1,879 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

10,462 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

8,298 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

8,282 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 13h 15m. Alaska Airlines provides one of the quickest options available for as low as £496. 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 British Airways, which is currently one of the cheapest options available, starting at £209. Virgin Atlantic flights start at £243 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 (79%), Austrian Airlines (79%) and United Airlines (79%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,091 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £347 while the most popular route, (London Heathrow - San Francisco) is currently priced at £397.
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 £473). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £643). 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£679	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Delta	Cheapest£337	Average£687	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
SWISS	Cheapest£350	Average£613	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
TAP AIR PORTUGAL	Cheapest£360	Average£480	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Alaska Airlines	Cheapest£366	Average£444	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Brussels Airlines	Cheapest£372	Average£502	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Lufthansa	Cheapest£374	Average£623	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Austrian Airlines	Cheapest£375	Average£505	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Air Canada	Cheapest£378	Average£790	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£382	Average£631	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 £305

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. 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 4 November 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 4 November 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 4 November 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 4 November 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 4 November 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 4 November 2026.

Last-minute flights from United Kingdom to San FranciscoDiscover last-minute flight deals from United Kingdom to San Francisco. Data last updated 4 November 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 4 November 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 4 November 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 4 November 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 4 November 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 Monday (32 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 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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United Kingdom and San Francisco flights

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United Kingdom to San Francisco flights

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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 4 November 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 4 November 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 4 November 2026.

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 4 November 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 4 November 2026.