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

A quick flight from United Kingdom to San Francisco can take about 13h 49m. United Airlines provides one of the quickest options available for as low as £434. 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 £207. 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 £2,023 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £354 while the most popular route, (London Heathrow - San Francisco) is currently priced at £298.

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.

£252+ 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 11 September 2026.

Sat 21/1108:50 -

1 stop14h 05m

Mon 30/1117:20 -

1 stop12h 15m

Deal found 10/9£252

Thu 29/1005:05 -

1 stop17h 50m

Wed 4/1117:25 -

1 stop17h 15m

Deal found 10/9£361

Sat 10/1009:30 -

1 stop19h 17m

Sat 17/1010:47 -

1 stop18h 33m

Deal found 10/9£404

Mon 28/908:00 -

1 stop16h 35m

Mon 5/1019:35 -

1 stop15h 05m

Deal found 10/9£404

Sat 3/1009:30 -

1 stop19h 17m

Tue 6/1016:45 -

Nonstop10h 25m

Deal found 10/9£405

Sun 20/913:05 -

1 stop15h 12m

Sat 26/919:45 -

Nonstop10h 25m

Deal found 9/9£406

Mon 28/909:25 -

1 stop15h 10m

Mon 5/1019:35 -

1 stop28h 50m

Deal found 10/9£406

Sun 20/913:05 -

1 stop16h 42m

Wed 30/916:40 -

Nonstop10h 30m

Deal found 10/9£406

Wed 7/1009:15 -

1 stop15h 00m

Wed 14/1019:35 -

1 stop13h 50m

Deal found 11/9£406

Fri 2/1009:30 -

1 stop19h 17m

Mon 19/1011:10 -

1 stop14h 50m

Deal found 10/9£407

Wed 7/1012:05 -

2 stops19h 15m

Tue 20/1010:47 -

1 stop18h 33m

Deal found 10/9£408

Fri 23/1009:30 -

2 stops17h 24m

Fri 30/1010:15 -

1 stop18h 35m

Deal found 8/9£409

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 11 September 2026.

Mon 12/1013:05 -

1 stop15h 23m

Mon 19/1019:45 -

Nonstop10h 25m

Deal found 10/9£406

Wed 16/907:00 -

2 stops17h 15m

Mon 21/919:35 -

2 stops17h 55m

Deal found 9/9£423

Sat 3/1017:00 -

1 stop13h 49m

Sat 17/716:44 -

1 stop14h 21m

Deal found 6/9£434

Thu 15/1006:45 -

1 stop17h 05m

Wed 4/1117:20 -

1 stop16h 10m

Deal found 8/9£456

Tue 24/1116:45 -

1 stop28h 10m

Thu 3/1214:55 -

2 stops16h 50m

Deal found 7/9£465

Mon 4/114:55 -

1 stop29h 50m

Sat 23/115:10 -

1 stop19h 30m

Deal found 6/9£508

Mon 5/1015:15 -

2 stops31h 25m

Mon 12/1016:45 -

2 stops19h 10m

Deal found 6/9£556

Wed 21/1009:15 -

2 stops19h 25m

Wed 28/1014:05 -

2 stops20h 00m

Deal found 8/9£569

Sun 20/921:15 -

2 stops48h 20m

Wed 30/916:35 -

2 stops34h 45m

Deal found 6/9£586

Wed 7/1019:50 -

2 stops26h 50m

Wed 21/1007:00 -

2 stops18h 35m

Deal found 7/9£686

Wed 10/210:55 -

1 stop37h 35m

Mon 15/218:35 -

1 stop31h 20m

Deal found 7/9£737

Sat 19/914:50 -

1 stop16h 05m

Fri 2/1005:00 -

1 stop20h 40m

Deal found 9/9£407

Tue 3/1109:50 -

1 stop14h 15m

Sat 7/1118:45 -

1 stop13h 55m

Deal found 8/9£896

Wed 21/1008:25 -

2 stops21h 50m

Wed 28/1014:50 -

1 stop18h 45m

Deal found 6/9£499

Thu 21/111:50 -

1 stop14h 55m

Mon 25/120:35 -

1 stop14h 00m

Deal found 10/9£504

Wed 7/1007:00 -

2 stops17h 15m

Wed 21/1019:35 -

2 stops17h 55m

Deal found 10/9£505

Mon 2/1109:00 -

1 stop15h 30m

Mon 9/1112:50 -

Nonstop10h 35m

Deal found 10/9£465

Thu 22/1017:20 -

1 stop26h 25m

Thu 29/1009:59 -

2 stops24h 06m

Deal found 7/9£532

Mon 26/1016:25 -

1 stop30h 30m

Mon 2/1117:25 -

1 stop15h 05m

Deal found 6/9£505

Wed 7/1008:00 -

2 stops20h 59m

Wed 14/1008:30 -

2 stops26h 30m

Deal found 9/9£564

Wed 21/1017:20 -

1 stop26h 25m

Wed 28/1008:55 -

2 stops25h 10m

Deal found 6/9£532

Thu 15/1011:20 -

2 stops19h 25m

Mon 26/1010:35 -

2 stops18h 55m

Deal found 11/9£543

Mon 2/1121:35 -

2 stops49h 10m

Mon 16/1116:35 -

2 stops20h 00m

Deal found 7/9£601

Fri 30/1007:00 -

2 stops17h 30m

Sat 7/1119:25 -

2 stops18h 00m

Deal found 7/9£550

Fri 20/1121:45 -

2 stops28h 09m

Sat 5/1215:05 -

1 stop22h 00m

Deal found 8/9£570

Mon 2/1109:20 -

1 stop14h 15m

Sat 14/1117:20 -

1 stop31h 30m

Deal found 10/9£521

Thu 8/1005:45 -

1 stop14h 00m

Wed 21/1014:40 -

2 stops17h 50m

Deal found 7/9£535

Tue 13/1005:45 -

2 stops18h 09m

Wed 4/1113:50 -

1 stop22h 10m

Deal found 10/9£543

Thu 29/1014:25 -

2 stops34h 05m

Thu 5/1119:25 -

2 stops18h 00m

Deal found 8/9£551

Mon 19/1008:35 -

1 stop15h 15m

Sun 25/1016:10 -

2 stops17h 30m

Deal found 8/9£525

Find flight deals from United Kingdom to San Francisco

Round-trip from	£252
Popular in	December
Cheapest in	February
Average price	£500
Good round-trip deal	£476 or less
Good one-way deal	£459 or less

British Airways
21/11-30/11
2 total stops
26h 20m 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

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Mon 30/11

19:30-16:30

2 stops29h 00m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£365

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Sun 15/11

07:00-14:45

3 stops39h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£369

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Mon 26/10

20:25-20:35

2 stops31h 10m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£371

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Thu 17/12

07:05-16:05

2 stops41h 00m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£372

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Tue 22/12

13:15-14:45

2 stops33h 30m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£375

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Tue 27/10

07:45-20:32

3 stops43h 47m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£375

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Sat 14/11

17:15-20:10

1 stop34h 55m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£378

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Mon 19/10

07:00-16:15

2 stops17h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£380

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Mon 19/10

13:55-14:35

3 stops56h 40m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£381

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sun 29/11

13:45-16:30

1 stop34h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£390

Flights are sorted by cheapest return flights first.

Deals found on 6/9

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.

LHR-SFO

LTN-SFO

EDI-SFO

LGW-SFO

SOU-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

LTN-SFO

EDI-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 £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 (38 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (38 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

10,194 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

10,194 reviews

United Airlines

7.4

Good

10,194 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

10,194 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

1,755 reviews

United Airlines

7.4

Good

10,194 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

8,213 reviews

United Airlines

7.4

Good

10,194 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

8,210 reviews

United Airlines

7.4

Good

10,194 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 13h 49m. United Airlines provides one of the quickest options available for as low as £434. 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 £207. 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 £2,023 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £354 while the most popular route, (London Heathrow - San Francisco) is currently priced at £298.
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 £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

Santa Cruz

San Bruno

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Newark

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Sunnyvale

South San Francisco

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Top 10 airlines flying from United Kingdom to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Iberia	Cheapest£169	Average£573	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Virgin Atlantic	Cheapest£182	Average£649	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Delta	Cheapest£273	Average£708	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£476	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£369	Average£508	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£371	Average£504	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 £252

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/11. 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 11 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 11 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 11 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 11 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 11 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 11 September 2026.

Last-minute flights from United Kingdom to San FranciscoDiscover last-minute flight deals from United Kingdom to San Francisco. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 11 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 11 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 11 September 2026.

Find flight deals from United Kingdom to San Francisco

Round-trip 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 11 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 Monday, which is when the least amount of flights are scheduled (38 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?

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

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Alternative routes for United Kingdom to San Francisco

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United Kingdom and San Francisco flights

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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 11 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 11 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 11 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 11 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 11 September 2026.