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

A quick flight from United Kingdom to San Francisco can take about 13h 58m. Alaska Airlines provides one of the quickest options available for as low as £427. 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 £211. Virgin Atlantic flights start at £245 while deals on TAP AIR PORTUGAL start at £272 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 £1,071 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £362 while the most popular route, (London Heathrow - San Francisco) is currently priced at £322.

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 (77%), Austrian Airlines (77%) and United Airlines (77%).

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.

£287+ 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 17 October 2026.

Fri 13/1108:30 -

1 stop15h 05m

Fri 27/1117:20 -

1 stop14h 25m

Deal found 15/10£312

Tue 17/1112:40 -

1 stop18h 09m

Fri 27/1108:00 -

1 stop15h 50m

Deal found 16/10£384

Fri 20/1115:20 -

Nonstop11h 25m

Thu 26/1117:25 -

Nonstop10h 25m

Deal found 16/10£387

Tue 17/1115:20 -

Nonstop11h 25m

Fri 27/1117:25 -

Nonstop10h 25m

Deal found 16/10£388

Wed 18/1111:45 -

Nonstop11h 10m

Wed 2/1220:35 -

Nonstop10h 35m

Deal found 16/10£389

Thu 19/1111:45 -

Nonstop11h 10m

Thu 26/1117:25 -

Nonstop10h 25m

Deal found 16/10£402

Fri 4/1209:50 -

1 stop13h 45m

Fri 11/1217:20 -

1 stop14h 15m

Deal found 14/10£405

Sat 26/1208:50 -

1 stop14h 45m

Mon 11/117:20 -

1 stop15h 30m

Deal found 14/10£406

Sat 21/1109:50 -

1 stop13h 45m

Mon 30/1117:20 -

1 stop14h 15m

Deal found 15/10£407

Tue 20/1009:50 -

1 stop14h 05m

Tue 10/1117:20 -

1 stop15h 30m

Deal found 14/10£408

Mon 16/1106:20 -

1 stop14h 35m

Tue 1/1216:40 -

Nonstop10h 15m

Deal found 13/10£411

Wed 18/1114:45 -

1 stop33h 16m

Fri 27/1106:00 -

1 stop22h 20m

Deal found 14/10£415

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 17 October 2026.

Sat 21/1114:45 -

1 stop13h 58m

Tue 1/1209:40 -

1 stop18h 40m

Deal found 12/10£427

Fri 20/1108:20 -

1 stop15h 15m

Sun 29/1117:20 -

1 stop17h 10m

Deal found 15/10£432

Fri 20/1119:10 -

1 stop27h 40m

Sun 29/1116:45 -

1 stop17h 45m

Deal found 11/10£459

Sun 15/1111:50 -

Nonstop11h 00m

Sun 29/1116:40 -

Nonstop10h 15m

Deal found 11/10£467

Sat 26/1211:50 -

Nonstop11h 00m

Mon 11/116:40 -

Nonstop10h 15m

Deal found 13/10£490

Wed 11/1116:45 -

1 stop28h 10m

Mon 16/1115:10 -

1 stop16h 35m

Deal found 11/10£505

Mon 1/310:05 -

Nonstop11h 15m

Sun 21/314:45 -

1 stop14h 05m

Deal found 14/10£526

Sun 15/1118:40 -

1 stop29h 50m

Mon 30/1119:25 -

2 stops18h 00m

Deal found 13/10£541

Wed 25/1106:00 -

1 stop13h 45m

Wed 2/1213:50 -

1 stop25h 00m

Deal found 11/10£548

Wed 25/1106:00 -

1 stop13h 45m

Wed 2/1212:17 -

2 stops20h 28m

Deal found 11/10£555

Wed 18/1119:25 -

2 stops25h 45m

Tue 1/1215:05 -

2 stops19h 50m

Deal found 12/10£588

Thu 19/1111:40 -

1 stop33h 04m

Wed 2/1213:45 -

1 stop36h 00m

Deal found 12/10£600

Wed 11/1109:35 -

2 stops62h 30m

Fri 13/1119:15 -

2 stops41h 25m

Deal found 16/10£624

Sun 13/1207:35 -

1 stop15h 20m

Sat 16/114:28 -

2 stops17h 07m

Deal found 16/10£660

Thu 28/109:30 -

1 stop17h 15m

Mon 1/210:19 -

2 stops22h 06m

Deal found 16/10£691

Wed 30/1209:50 -

1 stop14h 15m

Sat 6/218:50 -

1 stop13h 50m

Deal found 16/10£770

Thu 24/1209:50 -

2 stops20h 36m

Sun 27/1219:14 -

1 stop30h 46m

Deal found 13/10£472

Sun 31/111:50 -

Nonstop11h 00m

Fri 5/216:40 -

Nonstop10h 15m

Deal found 12/10£502

Fri 13/1110:00 -

2 stops19h 34m

Sun 15/1107:00 -

2 stops18h 00m

Deal found 11/10£511

Tue 23/310:05 -

Nonstop11h 15m

Sun 18/423:50 -

1 stop22h 55m

Deal found 16/10£526

Tue 17/1111:50 -

Nonstop11h 00m

Sun 29/1116:40 -

Nonstop10h 15m

Deal found 15/10£486

Mon 23/1119:30 -

2 stops29h 00m

Fri 4/1214:20 -

2 stops20h 55m

Deal found 15/10£541

Fri 6/1106:00 -

1 stop13h 45m

Mon 9/1113:50 -

1 stop18h 55m

Deal found 11/10£552

Wed 14/419:10 -

1 stop27h 30m

Sun 2/516:45 -

1 stop32h 10m

Deal found 14/10£553

Sun 13/1208:15 -

2 stops38h 10m

Mon 28/1217:20 -

1 stop21h 10m

Deal found 16/10£590

Wed 23/1217:05 -

1 stop23h 57m

Fri 15/110:31 -

2 stops17h 34m

Deal found 13/10£508

Fri 6/1106:00 -

1 stop13h 45m

Fri 13/1113:50 -

1 stop24h 05m

Deal found 14/10£570

Thu 28/119:10 -

1 stop27h 40m

Mon 1/216:15 -

2 stops18h 15m

Deal found 12/10£574

Fri 13/1111:40 -

1 stop33h 04m

Tue 24/1113:45 -

1 stop36h 00m

Deal found 14/10£634

Sat 21/1109:05 -

1 stop15h 25m

Sun 29/1114:20 -

2 stops19h 30m

Deal found 15/10£585

Find flight deals from United Kingdom to San Francisco

Round-trip from	£312
One-way from	£287
Popular in	December
Cheapest in	February
Average price	£502
Good round-trip deal	£398 or less
Good one-way deal	£460 or less

Aer Lingus
13/11-27/11
2 total stops
29h 30m total
United Kingdom to San Francisco

Search Deals

Aer Lingus
26/12-31/12
1 total stop
15h 05m 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

LeedsSan Francisco

LBA Leeds/Bradford - SFO San Francisco

LBASFO

Leeds/Bradford

Sat 26/12

08:30-15:35

1 stop15h 05m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£287

GlasgowSan Francisco

GLA Glasgow Intl - SFO San Francisco

GLASFO

Glasgow Intl

Sat 26/12

08:25-15:35

1 stop15h 10m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£293

ManchesterSan Francisco

MAN Manchester - SFO San Francisco

MANSFO

Manchester

Tue 15/12

09:00-14:45

3 stops37h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£315

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Wed 3/2

20:20-16:05

3 stops51h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£327

Newcastle upon TyneSan Francisco

NCL Newcastle upon Tyne - SFO San Francisco

NCLSFO

Newcastle upon Tyne

Sat 23/1

17:05-14:25

3 stops53h 20m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£339

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Sat 7/11

17:00-14:25

2 stops53h 25m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£345

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Wed 9/12

08:30-15:35

1 stop15h 05m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£348

BirminghamSan Francisco

BHX Birmingham - SFO San Francisco

BHXSFO

Birmingham

Fri 26/3

17:55-14:35

2 stops51h 40m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£389

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Wed 13/1

19:30-16:30

2 stops29h 00m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£410

EdinburghSan Francisco

EDI Edinburgh Turnhouse - SFO San Francisco

EDISFO

Edinburgh Turnhouse

Fri 20/11

08:30-15:35

1 stop15h 05m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£411

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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

LHR-SFO

BHX-SFO

LGW-SFO

LBA-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

LHR-SFO

BHX-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 £480). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £650). 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 Virgin Atlantic,United Airlines, 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.

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.5

Good

695 reviews

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

United Airlines

7.4

Good

10,375 reviews

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Aer Lingus

7.3

Good

1,838 reviews

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Lufthansa

6.8

Okay

8,276 reviews

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

British Airways

6.7

Okay

8,260 reviews

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

What airport do you fly into for flights to San Francisco from United Kingdom?
If you book a flight to San Francisco from United Kingdom, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.0 mi from the center of San Francisco.
How long is the flight from United Kingdom to San Francisco?
A quick flight from United Kingdom to San Francisco can take about 13h 58m. Alaska Airlines provides one of the quickest options available for as low as £427. 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 £211. Virgin Atlantic flights start at £245 while deals on TAP AIR PORTUGAL start at £272 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 (77%), Austrian Airlines (77%) and United Airlines (77%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,071 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £362 while the most popular route, (London Heathrow - San Francisco) is currently priced at £322.
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 £480). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £650). 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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Gatwick to Sacramento flights

Top 10 airlines flying from United Kingdom to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£185	Average£679	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Delta	Cheapest£340	Average£685	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
SWISS	Cheapest£353	Average£615	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Alaska Airlines	Cheapest£353	Average£480	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
TAP AIR PORTUGAL	Cheapest£363	Average£484	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£375	Average£510	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Lufthansa	Cheapest£377	Average£624	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Austrian Airlines	Cheapest£377	Average£511	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Air Canada	Cheapest£381	Average£775	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Scandinavian Airlines	Cheapest£381	Average£536	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 £287

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/12. 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 17 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 17 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 17 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 17 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 17 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 17 October 2026.

Last-minute flights from United Kingdom to San FranciscoDiscover last-minute flight deals from United Kingdom to San Francisco. Data last updated 17 October 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 17 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 17 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 17 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 17 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 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

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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

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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 17 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 17 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 17 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 17 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 17 October 2026.