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

A quick flight from United Kingdom to San Francisco can take about 11h 15m. SWISS provides one of the quickest options available for as low as £403. 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 £212. Virgin Atlantic flights start at £247 while deals on TAP AIR PORTUGAL start at £274 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 £1,421 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £369 while the most popular route, (London Heathrow - San Francisco) is currently priced at £368.

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 (75%), Austrian Airlines (75%) and United Airlines (75%).

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.

£315+ 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 3 October 2026.

Thu 22/1009:25 -

1 stop14h 50m

Wed 4/1119:25 -

1 stop14h 25m

Deal found 30/9£387

Tue 13/1018:35 -

1 stop29h 40m

Tue 1/1219:25 -

1 stop14h 25m

Deal found 1/10£389

Fri 20/1110:05 -

Nonstop11h 15m

Sat 28/1116:40 -

Nonstop10h 35m

Deal found 29/9£390

Tue 6/1013:00 -

Nonstop10h 55m

Thu 15/1012:55 -

Nonstop10h 30m

Deal found 29/9£390

Thu 3/1209:00 -

1 stop15h 30m

Mon 7/1212:20 -

1 stop17h 10m

Deal found 29/9£391

Thu 8/1016:15 -

Nonstop11h 00m

Wed 21/1016:45 -

Nonstop10h 25m

Deal found 29/9£392

Thu 8/1015:00 -

1 stop16h 20m

Wed 21/1016:30 -

1 stop12h 50m

Deal found 29/9£393

Thu 15/1009:15 -

1 stop14h 05m

Mon 19/1019:35 -

1 stop13h 55m

Deal found 29/9£393

Wed 7/1016:15 -

Nonstop11h 00m

Thu 15/1016:45 -

Nonstop10h 25m

Deal found 28/9£393

Thu 29/1009:50 -

1 stop14h 15m

Wed 11/1119:25 -

1 stop13h 40m

Deal found 29/9£393

Thu 8/1010:35 -

Nonstop11h 00m

Mon 12/1019:45 -

Nonstop10h 25m

Deal found 29/9£394

Wed 21/1018:35 -

1 stop29h 40m

Wed 4/1119:25 -

1 stop28h 45m

Deal found 29/9£394

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 3 October 2026.

Thu 12/1108:30 -

1 stop16h 00m

Thu 26/1114:20 -

2 stops19h 30m

Deal found 29/9£400

Mon 9/1110:05 -

Nonstop11h 15m

Mon 16/1116:40 -

Nonstop10h 35m

Deal found 28/9£403

Sat 21/1114:45 -

1 stop13h 58m

Wed 9/1210:40 -

1 stop17h 40m

Deal found 2/10£430

Sun 22/1106:30 -

1 stop13h 15m

Tue 8/1216:40 -

Nonstop10h 15m

Deal found 30/9£445

Sat 21/1106:30 -

1 stop13h 15m

Sat 28/1116:40 -

Nonstop10h 15m

Deal found 1/10£452

Fri 11/1206:50 -

1 stop16h 45m

Sun 10/117:20 -

1 stop17h 15m

Deal found 28/9£457

Sat 31/1010:00 -

2 stops30h 59m

Mon 16/1115:10 -

1 stop16h 35m

Deal found 2/10£467

Thu 25/219:15 -

1 stop27h 35m

Mon 1/316:45 -

2 stops33h 00m

Deal found 1/10£548

Mon 26/1006:30 -

1 stop14h 05m

Wed 11/1112:50 -

Nonstop10h 35m

Deal found 30/9£562

Tue 20/1021:15 -

2 stops25h 20m

Sat 31/1017:35 -

2 stops33h 30m

Deal found 30/9£604

Sun 13/1211:05 -

1 stop19h 12m

Tue 5/112:56 -

2 stops36h 44m

Deal found 29/9£619

Fri 6/1106:00 -

2 stops18h 07m

Mon 9/1115:10 -

1 stop18h 30m

Deal found 2/10£629

Sat 31/1010:15 -

2 stops19h 25m

Fri 6/1111:45 -

2 stops26h 10m

Deal found 29/9£666

Thu 12/1115:45 -

1 stop31h 50m

Thu 19/1106:00 -

2 stops18h 00m

Deal found 28/9£705

Tue 13/1017:00 -

1 stop13h 49m

Sat 24/1015:21 -

1 stop13h 59m

Deal found 1/10£431

Sun 22/1106:30 -

1 stop13h 15m

Sun 29/1116:40 -

Nonstop10h 15m

Deal found 2/10£452

Mon 9/1116:45 -

1 stop28h 10m

Mon 16/1115:10 -

1 stop16h 35m

Deal found 28/9£471

Fri 6/1109:00 -

1 stop15h 30m

Sun 29/1114:20 -

2 stops19h 30m

Deal found 29/9£493

Thu 5/1108:50 -

1 stop14h 05m

Mon 9/1116:10 -

2 stops19h 30m

Deal found 28/9£499

Tue 10/1111:50 -

Nonstop11h 00m

Sun 7/316:40 -

Nonstop10h 15m

Deal found 28/9£459

Tue 24/1116:45 -

1 stop28h 10m

Wed 9/1210:41 -

2 stops21h 04m

Deal found 2/10£477

Mon 16/1113:50 -

2 stops33h 00m

Mon 23/1116:45 -

2 stops33h 00m

Deal found 2/10£554

Sun 15/1112:55 -

2 stops19h 00m

Wed 25/1112:45 -

2 stops18h 10m

Deal found 28/9£504

Thu 12/1111:50 -

Nonstop11h 00m

Thu 11/316:40 -

Nonstop10h 15m

Deal found 28/9£460

Fri 11/1209:25 -

1 stop21h 30m

Tue 5/123:55 -

1 stop24h 00m

Deal found 29/9£558

Wed 11/1108:40 -

2 stops19h 52m

Thu 26/1113:50 -

1 stop20h 35m

Deal found 29/9£484

Mon 19/1017:00 -

1 stop14h 52m

Fri 23/1017:45 -

1 stop13h 20m

Deal found 29/9£550

Thu 21/119:15 -

1 stop27h 35m

Mon 25/116:45 -

1 stop17h 50m

Deal found 1/10£554

Tue 13/1012:30 -

2 stops28h 05m

Wed 11/1123:20 -

2 stops24h 35m

Deal found 29/9£558

Thu 21/111:50 -

1 stop14h 55m

Mon 25/120:35 -

1 stop14h 00m

Deal found 28/9£510

Find flight deals from United Kingdom to San Francisco

Round-trip from	£387
One-way from	£315
Popular in	December
Cheapest in	February
Average price	£513
Good round-trip deal	£412 or less
Good one-way deal	£446 or less

SWISS
22/10-4/11
2 total stops
29h 15m total
United Kingdom to San Francisco

Search Deals

5/12-31/12
2 total stops
53h 25m total
United Kingdom to San Francisco

Search Deals

High demand for flights, 0% 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

ManchesterSan Francisco

MAN Manchester - SFO San Francisco

MANSFO

Manchester

Thu 21/1

06:30-16:05

3 stops41h 35m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£370

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Wed 28/10

19:25-14:22

3 stops49h 57m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£371

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Mon 26/10

08:50-20:32

3 stops42h 42m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£379

BirminghamSan Francisco

BHX Birmingham - SFO San Francisco

BHXSFO

Birmingham

Sun 1/11

05:55-21:10

1 stop22h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£391

ManchesterSan Francisco

MAN Manchester - SFO San Francisco

MANSFO

Manchester

Tue 27/10

08:30-15:45

2 stops38h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£393

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Thu 12/11

08:30-16:30

1 stop16h 00m

San Francisco

Thu 26/11

14:20-17:50

2 stops19h 30m

£400

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Mon 9/11

10:05-13:20

Nonstop11h 15m

San Francisco

Mon 16/11

16:40-11:15

Nonstop10h 35m

£403

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Thu 17/12

14:45-23:59

1 stop17h 14m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£417

ManchesterSan Francisco

MAN Manchester - SFO San Francisco

MANSFO

Manchester

Thu 21/1

14:55-19:37

1 stop36h 42m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£417

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Fri 20/11

11:05-22:07

1 stop19h 02m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£418

Flights are sorted by cheapest return flights first.

Deals found on 30/9

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.

LGW-SFO

LHR-SFO

LCY-SFO

MAN-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

LGW-SFO

LHR-SFO

LCY-SFO

MAN-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 £481). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £656). 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 Wednesday (38 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 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 United Airlines,Virgin Atlantic, andAer Lingus 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.

United Airlines

7.4

Good

10,275 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

United Airlines

7.4

Good

10,275 reviews

United Airlines

7.4

Good

10,275 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Virgin Atlantic

7.4

Good

694 reviews

United Airlines

7.4

Good

10,275 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Aer Lingus

7.3

Good

1,810 reviews

United Airlines

7.4

Good

10,275 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Lufthansa

6.8

Okay

8,255 reviews

United Airlines

7.4

Good

10,275 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

British Airways

6.7

Okay

8,244 reviews

United Airlines

7.4

Good

10,275 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 11h 15m. SWISS provides one of the quickest options available for as low as £403. 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 £212. Virgin Atlantic flights start at £247 while deals on TAP AIR PORTUGAL start at £274 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 Air Canada (75%), Austrian Airlines (75%) and United Airlines (75%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,421 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £369 while the most popular route, (London Heathrow - San Francisco) is currently priced at £368.
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 £481). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £656). 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£187	Average£681	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Delta	Cheapest£280	Average£691	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Alaska Airlines	Cheapest£336	Average£527	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
SWISS	Cheapest£355	Average£619	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
TAP AIR PORTUGAL	Cheapest£365	Average£494	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£378	Average£518	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£380	Average£515	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Lufthansa	Cheapest£383	Average£633	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest£383	Average£780	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Scandinavian Airlines	Cheapest£384	Average£538	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines 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 £315

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. 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 3 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 3 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 3 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 3 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 3 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 3 October 2026.

Last-minute flights from United Kingdom to San FranciscoDiscover last-minute flight deals from United Kingdom to San Francisco. Data last updated 3 October 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 3 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 3 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 3 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 3 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 Wednesday (38 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 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 3 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 3 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 3 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 3 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 3 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 3 October 2026.