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

A quick flight from United Kingdom to San Francisco can take about 11h 10m. Aer Lingus provides one of the quickest options available for as low as £471. 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 £208. Virgin Atlantic flights start at £241 while deals on JetBlue start at £242 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 £2,025 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £355 while the most popular route, (London Heathrow - San Francisco) is currently priced at £357.

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 Virgin Atlantic, British Airways 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.

£321+ 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 6 September 2026.

Thu 17/911:30 -

1 stop14h 54m

Sun 27/908:15 -

1 stop16h 10m

Deal found 3/9£411

Sun 13/1207:50 -

1 stop15h 05m

Sat 26/1217:25 -

1 stop15h 00m

Deal found 1/9£419

Tue 29/915:00 -

1 stop35h 17m

Tue 6/1016:20 -

1 stop31h 55m

Deal found 2/9£433

Sun 1/1114:45 -

1 stop16h 00m

Tue 10/1112:13 -

1 stop16h 07m

Deal found 5/9£434

Sat 3/1017:00 -

1 stop13h 49m

Mon 19/1015:21 -

1 stop15h 44m

Deal found 3/9£435

Mon 28/909:25 -

1 stop14h 50m

Sun 4/1019:35 -

1 stop14h 15m

Deal found 4/9£435

Sun 22/1106:30 -

1 stop13h 15m

Fri 27/1114:47 -

1 stop12h 48m

Deal found 4/9£436

Tue 29/913:00 -

Nonstop11h 05m

Sat 17/1019:45 -

Nonstop10h 25m

Deal found 5/9£437

Fri 11/913:00 -

Nonstop11h 05m

Mon 21/912:50 -

Nonstop10h 35m

Deal found 5/9£438

Wed 7/1011:15 -

2 stops32h 30m

Tue 13/1013:45 -

2 stops22h 50m

Deal found 4/9£438

Mon 26/1008:20 -

1 stop15h 15m

Mon 9/1117:20 -

1 stop14h 45m

Deal found 3/9£438

Tue 22/909:50 -

1 stop14h 05m

Fri 25/917:35 -

1 stop18h 45m

Deal found 3/9£439

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 6 September 2026.

Tue 23/216:40 -

1 stop16h 03m

Thu 4/317:25 -

Nonstop10h 25m

Deal found 5/9£456

Sun 11/1012:45 -

Nonstop11h 10m

Thu 22/1017:55 -

Nonstop10h 20m

Deal found 2/9£471

Wed 7/1017:50 -

1 stop25h 55m

Wed 14/1014:15 -

2 stops19h 05m

Deal found 1/9£483

Tue 3/1108:20 -

1 stop15h 15m

Tue 24/1117:20 -

1 stop14h 45m

Deal found 5/9£488

Wed 7/1021:50 -

2 stops28h 10m

Tue 13/1015:05 -

2 stops22h 00m

Deal found 4/9£502

Mon 4/118:00 -

2 stops28h 52m

Mon 11/119:25 -

1 stop28h 40m

Deal found 5/9£511

Thu 19/1119:30 -

2 stops29h 00m

Tue 1/1219:25 -

2 stops18h 00m

Deal found 5/9£520

Mon 5/1014:05 -

1 stop16h 22m

Tue 3/1113:50 -

1 stop14h 40m

Deal found 4/9£543

Sun 25/1014:45 -

1 stop14h 04m

Thu 29/1013:51 -

1 stop15h 29m

Deal found 4/9£564

Wed 28/1009:35 -

2 stops62h 30m

Sat 7/1116:35 -

2 stops33h 30m

Deal found 2/9£610

Mon 2/1110:55 -

1 stop38h 35m

Mon 16/1118:35 -

1 stop31h 20m

Deal found 3/9£736

Tue 20/1017:10 -

1 stop26h 35m

Tue 27/1006:05 -

2 stops19h 05m

Deal found 5/9£484

Thu 21/111:50 -

1 stop14h 55m

Mon 25/111:41 -

2 stops18h 24m

Deal found 5/9£504

Thu 8/1005:55 -

1 stop13h 50m

Sat 24/1007:00 -

2 stops20h 05m

Deal found 4/9£506

Sun 4/1019:30 -

2 stops32h 06m

Sun 20/1207:20 -

2 stops18h 00m

Deal found 3/9£1,053

Tue 6/1013:20 -

3 stops33h 20m

Fri 23/1016:45 -

2 stops25h 30m

Deal found 4/9£534

Mon 5/1017:00 -

2 stops27h 31m

Mon 12/1020:10 -

1 stop29h 15m

Deal found 5/9£487

Wed 18/1114:25 -

2 stops34h 05m

Thu 3/1219:25 -

2 stops18h 00m

Deal found 5/9£550

Thu 1/1014:00 -

2 stops17h 59m

Wed 7/1000:45 -

2 stops25h 25m

Deal found 3/9£551

Thu 1/1011:00 -

2 stops21h 22m

Mon 5/1006:35 -

2 stops19h 25m

Deal found 4/9£510

Wed 4/1108:20 -

1 stop15h 15m

Tue 24/1117:20 -

1 stop14h 45m

Deal found 5/9£519

Tue 6/1005:55 -

1 stop13h 50m

Mon 12/1012:05 -

2 stops17h 35m

Deal found 5/9£535

Thu 29/1010:00 -

2 stops19h 15m

Thu 5/1112:05 -

2 stops19h 40m

Deal found 4/9£495

Sun 4/1012:30 -

2 stops26h 11m

Sun 11/1006:15 -

2 stops18h 10m

Deal found 3/9£555

Sun 27/921:15 -

2 stops48h 20m

Tue 6/1016:20 -

1 stop15h 15m

Deal found 2/9£612

Fri 16/1012:00 -

2 stops17h 50m

Sat 7/1114:35 -

2 stops20h 05m

Deal found 2/9£510

Mon 28/908:45 -

1 stop15h 05m

Tue 6/1017:40 -

1 stop18h 55m

Deal found 4/9£524

Tue 22/907:00 -

2 stops17h 15m

Thu 1/1019:35 -

2 stops17h 55m

Deal found 1/9£587

Fri 13/1121:45 -

2 stops23h 10m

Sun 22/1113:50 -

2 stops23h 15m

Deal found 4/9£555

Thu 29/1010:00 -

2 stops19h 40m

Thu 5/1113:50 -

1 stop19h 30m

Deal found 4/9£507

Find flight deals from United Kingdom to San Francisco

Round-trip from	£411
One-way from	£288
Popular in	December
Cheapest in	February
Average price	£501
Good round-trip deal	£477 or less
Good one-way deal	£459 or less

United Airlines
17/9-27/9
2 total stops
31h 04m total
United Kingdom to San Francisco

Search Deals

16/9-31/12
3 total stops
59h 35m 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 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

BirminghamSan Francisco

BHX Birmingham - SFO San Francisco

BHXSFO

Birmingham

Tue 15/9

23:10-21:55

3 stops30h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£334

BirminghamSan Francisco

BHX Birmingham - SFO San Francisco

BHXSFO

Birmingham

Mon 14/9

17:50-12:00

3 stops50h 10m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£337

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Tue 3/11

06:25-08:19

3 stops33h 54m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£340

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Wed 16/9

22:35-21:55

3 stops55h 20m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£351

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sat 7/11

09:35-00:43

1 stop23h 08m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£366

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Thu 14/1

09:00-16:05

3 stops39h 05m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£371

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sun 29/11

18:40-16:30

1 stop29h 50m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£377

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Sun 22/11

19:10-16:30

1 stop29h 20m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£385

LondonSan Francisco

LCY London City - SFO San Francisco

LCYSFO

London City

Wed 21/10

09:15-16:35

1 stop15h 20m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£393

LondonSan Francisco

LCY London City - SFO San Francisco

LCYSFO

London City

Tue 20/10

09:15-16:35

1 stop15h 20m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£393

Flights are sorted by cheapest return flights first.

Deals found on 4/9

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.

EDI-SFO

MAN-SFO

LHR-SFO

LGW-SFO

STN-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

EDI-SFO

MAN-SFO

LHR-SFO

LGW-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 £460). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £644). 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 Thursday (44 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (12 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 143 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 12% 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

10,173 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

10,173 reviews

United Airlines

7.4

Good

10,173 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

696 reviews

United Airlines

7.4

Good

10,173 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

1,746 reviews

United Airlines

7.4

Good

10,173 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

8,222 reviews

United Airlines

7.4

Good

10,173 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

8,209 reviews

United Airlines

7.4

Good

10,173 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 10m. Aer Lingus provides one of the quickest options available for as low as £471. 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 £208. Virgin Atlantic flights start at £241 while deals on JetBlue start at £242 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 (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 £2,025 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £355 while the most popular route, (London Heathrow - San Francisco) is currently priced at £357.
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 £460). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £644). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Santa Cruz

San Bruno

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Newark

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Top 10 airlines flying from United Kingdom to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Iberia	Cheapest£169	Average£574	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Virgin Atlantic	Cheapest£182	Average£650	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Delta	Cheapest£274	Average£709	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
SWISS	Cheapest£347	Average£590	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
TAP AIR PORTUGAL	Cheapest£357	Average£477	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£370	Average£508	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£372	Average£505	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Scandinavian Airlines	Cheapest£375	Average£524	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Lufthansa	Cheapest£377	Average£617	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£382	Average£611	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 £321

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. 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 6 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 6 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 6 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 6 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 6 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 6 September 2026.

Last-minute flights from United Kingdom to San FranciscoDiscover last-minute flight deals from United Kingdom to San Francisco. Data last updated 6 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 6 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 6 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 6 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 6 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 Thursday (44 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (12 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 143 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 12% 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 6 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 6 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 6 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 6 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 6 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 6 September 2026.