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

A quick flight from United Kingdom to San Francisco can take about 16h 05m. SWISS provides one of the quickest options available for as low as £461. Airlines will cover a distance of 5047 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 £246 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 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 £1,418 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £368 while the most popular route, (London Heathrow - San Francisco) is currently priced at £340.

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 (73%), Austrian Airlines (73%) and United Airlines (73%).

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 27 September 2026.

Thu 22/1010:35 -

Nonstop11h 00m

Thu 29/1017:40 -

Nonstop10h 35m

Deal found 24/9£393

Tue 13/1009:15 -

1 stop14h 05m

Mon 26/1020:25 -

1 stop15h 05m

Deal found 24/9£393

Thu 22/1013:00 -

Nonstop11h 00m

Thu 29/1013:50 -

Nonstop10h 35m

Deal found 24/9£393

Fri 2/1013:00 -

Nonstop11h 05m

Thu 15/1019:45 -

Nonstop10h 25m

Deal found 25/9£394

Tue 27/1009:50 -

1 stop14h 15m

Wed 11/1119:25 -

1 stop13h 40m

Deal found 22/9£394

Thu 8/1007:00 -

2 stops17h 15m

Sun 18/1019:35 -

1 stop14h 15m

Deal found 25/9£395

Thu 1/1013:00 -

Nonstop11h 05m

Fri 16/1016:45 -

Nonstop10h 25m

Deal found 22/9£396

Tue 27/1009:50 -

1 stop18h 20m

Mon 11/119:25 -

1 stop13h 40m

Deal found 23/9£396

Thu 1/1010:15 -

2 stops16h 16m

Wed 14/1016:30 -

1 stop12h 50m

Deal found 22/9£396

Thu 1/1010:35 -

Nonstop11h 00m

Wed 14/1012:55 -

Nonstop10h 30m

Deal found 23/9£397

Tue 20/1018:40 -

1 stop29h 55m

Thu 5/1119:25 -

2 stops18h 00m

Deal found 23/9£398

Mon 9/1106:00 -

1 stop18h 30m

Mon 16/1114:20 -

2 stops20h 55m

Deal found 25/9£399

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 27 September 2026.

Mon 16/1106:00 -

1 stop18h 30m

Mon 23/1119:25 -

2 stops18h 00m

Deal found 26/9£396

Wed 18/1113:45 -

Nonstop11h 10m

Wed 25/1112:50 -

Nonstop10h 35m

Deal found 25/9£402

Fri 23/1015:05 -

1 stop16h 15m

Tue 27/1017:40 -

Nonstop10h 35m

Deal found 24/9£402

Mon 15/211:45 -

Nonstop11h 10m

Sun 28/220:35 -

Nonstop10h 35m

Deal found 26/9£413

Fri 19/210:20 -

2 stops20h 22m

Sun 28/209:00 -

1 stop13h 50m

Deal found 22/9£441

Wed 23/1211:50 -

Nonstop11h 00m

Wed 30/1206:10 -

1 stop20h 30m

Deal found 23/9£455

Mon 2/1116:45 -

1 stop28h 10m

Sat 14/1111:44 -

2 stops20h 01m

Deal found 26/9£467

Sat 7/1117:35 -

1 stop26h 10m

Sat 14/1111:58 -

2 stops17h 12m

Deal found 23/9£544

Fri 30/1008:50 -

2 stops19h 49m

Thu 12/1112:04 -

2 stops23h 21m

Deal found 23/9£549

Tue 20/1021:15 -

2 stops25h 20m

Sat 31/1017:35 -

2 stops33h 30m

Deal found 23/9£608

Thu 19/1108:30 -

1 stop16h 00m

Thu 26/1114:20 -

2 stops19h 30m

Deal found 26/9£399

Sat 10/1013:00 -

Nonstop11h 00m

Sat 17/1012:45 -

1 stop13h 55m

Deal found 25/9£402

Sat 7/1113:45 -

Nonstop11h 10m

Sun 15/1116:40 -

Nonstop10h 35m

Deal found 26/9£402

Wed 24/220:05 -

1 stop28h 25m

Wed 3/319:25 -

2 stops18h 00m

Deal found 26/9£405

Thu 15/1013:00 -

Nonstop11h 00m

Sun 25/1013:50 -

Nonstop10h 35m

Deal found 22/9£405

Sat 21/1105:50 -

1 stop13h 55m

Sat 27/215:10 -

1 stop22h 20m

Deal found 26/9£468

Mon 16/1108:30 -

1 stop15h 05m

Tue 24/1117:20 -

1 stop13h 55m

Deal found 26/9£472

Sat 21/1105:50 -

2 stops21h 59m

Sat 27/206:00 -

2 stops20h 05m

Deal found 26/9£503

Sat 17/1009:00 -

2 stops32h 19m

Sun 25/1017:40 -

Nonstop10h 35m

Deal found 24/9£476

Mon 2/1107:45 -

1 stop15h 10m

Sun 15/1108:47 -

2 stops18h 23m

Deal found 25/9£497

Fri 4/1208:50 -

1 stop14h 05m

Tue 8/1207:50 -

2 stops24h 10m

Deal found 24/9£557

Wed 21/1011:00 -

2 stops20h 56m

Mon 26/1014:50 -

1 stop14h 55m

Deal found 24/9£516

Fri 16/1008:40 -

1 stop15h 35m

Sun 25/1020:25 -

2 stops18h 00m

Deal found 22/9£482

Sun 13/1205:40 -

1 stop14h 05m

Tue 5/114:05 -

2 stops35h 35m

Deal found 23/9£536

Fri 11/1211:55 -

1 stop14h 50m

Sun 13/1220:35 -

1 stop15h 35m

Deal found 26/9£498

Thu 7/105:50 -

2 stops23h 40m

Fri 15/106:05 -

2 stops22h 40m

Deal found 23/9£516

Tue 10/1106:45 -

2 stops19h 29m

Tue 17/1110:34 -

2 stops16h 51m

Deal found 26/9£519

Sat 7/1110:10 -

2 stops60h 15m

Wed 18/1116:35 -

2 stops33h 25m

Deal found 22/9£651

Sat 7/1106:00 -

1 stop13h 45m

Sat 14/1113:50 -

1 stop18h 55m

Deal found 23/9£540

Sat 12/1208:00 -

1 stop14h 55m

Mon 14/1217:25 -

1 stop17h 10m

Deal found 26/9£498

Find flight deals from United Kingdom to San Francisco

Round-trip from	£393
One-way from	£311
Popular in	December
Cheapest in	February
Average price	£522
Good round-trip deal	£434 or less
Good one-way deal	£441 or less

Austrian Airlines
22/10-29/10
Nonstop
21h 35m total
United Kingdom to San Francisco

Search Deals

12/12-31/12
2 total stops
55h 00m 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 (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

Thu 10/12

19:20-14:45

3 stops51h 25m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£331

ManchesterSan Francisco

MAN Manchester - SFO San Francisco

MANSFO

Manchester

Mon 18/1

18:10-14:45

3 stops52h 35m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£337

BirminghamSan Francisco

BHX Birmingham - SFO San Francisco

BHXSFO

Birmingham

Tue 17/11

08:10-20:10

2 stops44h 00m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£341

ManchesterSan Francisco

MAN Manchester - SFO San Francisco

MANSFO

Manchester

Mon 30/11

20:35-20:10

2 stops55h 35m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£351

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Wed 17/3

17:40-17:05

2 stops54h 25m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£354

BirminghamSan Francisco

BHX Birmingham - SFO San Francisco

BHXSFO

Birmingham

Tue 17/11

08:20-15:35

1 stop15h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£371

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Mon 16/11

06:00-16:30

1 stop18h 30m

San Francisco

Mon 23/11

19:25-21:25

2 stops18h 00m

£396

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

£397

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Thu 19/11

08:30-16:30

1 stop16h 00m

San Francisco

Thu 26/11

14:20-17:50

2 stops19h 30m

£399

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sun 27/12

13:10-19:14

1 stop38h 04m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£401

Flights are sorted by cheapest return flights first.

Deals found on 26/9

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.

GLA-SFO

BHX-SFO

LGW-SFO

LHR-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

GLA-SFO

BHX-SFO

LGW-SFO

LHR-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 £477). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £658). 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 (38 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (32 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

10,246 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

10,246 reviews

United Airlines

7.4

Good

10,246 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

10,246 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

1,793 reviews

United Airlines

7.4

Good

10,246 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

8,240 reviews

United Airlines

7.4

Good

10,246 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

8,236 reviews

United Airlines

7.4

Good

10,246 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 16h 05m. SWISS provides one of the quickest options available for as low as £461. Airlines will cover a distance of 5047 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 £246 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 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 (73%), Austrian Airlines (73%) and United Airlines (73%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,418 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £368 while the most popular route, (London Heathrow - San Francisco) is currently priced at £340.
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 £477). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £658). 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
Iberia	Cheapest£173	Average£585	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Virgin Atlantic	Cheapest£186	Average£673	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Delta	Cheapest£279	Average£724	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Alaska Airlines	Cheapest£335	Average£532	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
SWISS	Cheapest£354	Average£621	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
TAP AIR PORTUGAL	Cheapest£365	Average£493	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£377	Average£517	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£379	Average£515	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Air Canada	Cheapest£383	Average£779	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Scandinavian Airlines	Cheapest£383	Average£530	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 £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 12/12. 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 27 September 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 27 September 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 27 September 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 27 September 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 27 September 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 27 September 2026.

Last-minute flights from United Kingdom to San FranciscoDiscover last-minute flight deals from United Kingdom to San Francisco. Data last updated 27 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 27 September 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 27 September 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 27 September 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 27 September 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 (38 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (32 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 27 September 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 27 September 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 27 September 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 27 September 2026.

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 27 September 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 27 September 2026.