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

A quick flight from United Kingdom to San Francisco can take about 13h 15m. KLM provides one of the quickest options available for as low as £438. 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 £206. Virgin Atlantic flights start at £239 while deals on JetBlue start at £240 one-way.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What are the most popular routes from United Kingdom to San Francisco?

Most travelers choose London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco when deciding on the best route from United Kingdom to San Francisco.

What are the cheapest flights from United Kingdom to San Francisco?

On average you can expect to pay £1,258 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £320 while the most popular route, (London Heathrow - San Francisco) is currently priced at £339.

What are the most reliable airlines from United Kingdom to San Francisco?

The top 3 most reliable airlines when flying from United Kingdom to San Francisco are Air Canada (75%), Austrian Airlines (75%) and United Airlines (75%).

What are the most popular airlines that fly from United Kingdom to San Francisco?

The most popular airlines flying from United Kingdom to San Francisco are 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.

£215+ 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 24 August 2026.

Wed 21/1008:40 -

1 stop15h 35m

Thu 22/1012:55 -

Nonstop10h 30m

Deal found 20/8£435

Sat 24/1009:25 -

1 stop15h 10m

Fri 6/1119:25 -

1 stop14h 25m

Deal found 19/8£435

Wed 23/918:45 -

1 stop27h 45m

Wed 30/916:35 -

1 stop17h 10m

Deal found 23/8£435

Mon 19/1016:25 -

1 stop29h 10m

Mon 26/1017:35 -

1 stop15h 10m

Deal found 23/8£435

Sat 24/1008:45 -

1 stop15h 50m

Fri 6/1119:25 -

1 stop15h 50m

Deal found 21/8£436

Wed 21/1016:25 -

1 stop30h 05m

Wed 28/1017:35 -

1 stop33h 15m

Deal found 20/8£436

Tue 6/1013:10 -

2 stops33h 30m

Tue 13/1016:45 -

2 stops21h 25m

Deal found 22/8£437

Tue 3/1107:40 -

1 stop15h 10m

Fri 6/1112:50 -

Nonstop10h 35m

Deal found 22/8£437

Thu 22/1009:25 -

1 stop15h 10m

Thu 5/1119:25 -

1 stop14h 25m

Deal found 23/8£437

Thu 3/1210:00 -

2 stops19h 23m

Mon 7/1215:10 -

1 stop16h 35m

Deal found 21/8£437

Tue 17/1106:30 -

1 stop13h 15m

Sun 29/1107:05 -

1 stop20h 30m

Deal found 19/8£438

Fri 4/909:00 -

1 stop18h 00m

Fri 11/911:10 -

1 stop14h 50m

Deal found 19/8£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 24 August 2026.

Sun 22/1106:30 -

1 stop13h 15m

Sun 29/1116:40 -

Nonstop10h 15m

Deal found 20/8£438

Mon 2/1106:00 -

1 stop16h 45m

Mon 16/1116:35 -

1 stop21h 00m

Deal found 21/8£446

Mon 2/1106:30 -

1 stop13h 15m

Mon 16/1116:40 -

Nonstop10h 15m

Deal found 23/8£450

Fri 11/1212:40 -

1 stop18h 05m

Fri 25/1210:31 -

1 stop16h 09m

Deal found 19/8£456

Sat 23/109:00 -

1 stop15h 30m

Sat 30/105:00 -

1 stop18h 55m

Deal found 22/8£457

Mon 5/1014:25 -

3 stops32h 15m

Mon 12/1016:45 -

2 stops22h 05m

Deal found 21/8£462

Thu 18/208:30 -

1 stop16h 00m

Thu 25/214:20 -

2 stops19h 30m

Deal found 21/8£523

Wed 7/1019:10 -

1 stop27h 30m

Wed 21/1016:45 -

1 stop17h 40m

Deal found 19/8£530

Thu 1/1011:25 -

1 stop15h 25m

Sun 4/1019:30 -

1 stop16h 10m

Deal found 18/8£624

Tue 16/217:20 -

1 stop31h 10m

Sun 21/218:35 -

1 stop37h 45m

Deal found 19/8£761

Sat 19/1212:20 -

2 stops32h 45m

Sun 10/115:05 -

2 stops21h 55m

Deal found 20/8£920

Fri 23/1010:00 -

2 stops21h 56m

Sun 25/1014:50 -

1 stop18h 45m

Deal found 23/8£475

Fri 18/1211:35 -

1 stop16h 04m

Sun 10/116:21 -

1 stop13h 09m

Deal found 20/8£480

Wed 7/1015:15 -

2 stops31h 25m

Mon 19/1016:45 -

2 stops19h 10m

Deal found 22/8£487

Mon 28/912:45 -

Nonstop11h 00m

Sun 11/1017:45 -

Nonstop10h 20m

Deal found 21/8£513

Thu 4/216:00 -

1 stop32h 05m

Sat 13/216:35 -

2 stops33h 30m

Deal found 23/8£533

Thu 28/119:10 -

1 stop27h 40m

Mon 1/216:45 -

1 stop17h 45m

Deal found 18/8£538

Fri 23/1007:00 -

2 stops17h 35m

Sun 1/1114:20 -

2 stops20h 55m

Deal found 22/8£542

Sat 12/913:00 -

Nonstop11h 05m

Thu 1/1012:55 -

Nonstop10h 30m

Deal found 20/8£509

Tue 22/910:35 -

2 stops21h 16m

Tue 29/907:10 -

2 stops18h 15m

Deal found 22/8£515

Fri 30/1019:10 -

1 stop27h 40m

Sun 15/1116:45 -

1 stop17h 45m

Deal found 21/8£546

Tue 8/905:55 -

1 stop13h 50m

Wed 16/907:00 -

2 stops17h 35m

Deal found 18/8£610

Sun 20/921:15 -

2 stops48h 20m

Sat 10/1019:35 -

2 stops31h 45m

Deal found 21/8£565

Fri 18/914:50 -

2 stops16h 05m

Sat 26/914:20 -

1 stop14h 05m

Deal found 21/8£514

Sat 24/1009:00 -

2 stops17h 55m

Tue 3/1114:20 -

2 stops20h 10m

Deal found 19/8£566

Sat 17/1014:25 -

3 stops32h 15m

Sat 24/1016:45 -

3 stops22h 55m

Deal found 21/8£578

Tue 6/1010:00 -

2 stops20h 38m

Tue 13/1006:00 -

2 stops17h 55m

Deal found 21/8£533

Thu 17/910:30 -

1 stop18h 00m

Sun 27/919:30 -

1 stop16h 10m

Deal found 21/8£648

Wed 4/1106:00 -

2 stops18h 07m

Wed 18/1107:00 -

2 stops18h 45m

Deal found 18/8£604

Wed 7/1009:20 -

2 stops37h 20m

Wed 14/1016:45 -

1 stop17h 40m

Deal found 23/8£553

Find flight deals from United Kingdom to San Francisco

Round-trip from	£435
One-way from	£215
Popular in	December
Cheapest in	February
Average price	£601
Good round-trip deal	£485 or less
Good one-way deal	£459 or less

Brussels Airlines
21/10-22/10
1 total stop
26h 05m total
United Kingdom to San Francisco

Search Deals

6/10
3 total stops
39h 03m total
United Kingdom to San Francisco

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).

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 August 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

Sun 22/11

06:30-11:45

1 stop13h 15m

San Francisco

Sun 29/11

16:40-10:55

Nonstop10h 15m

£438

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Mon 2/11

06:00-14:45

1 stop16h 45m

San Francisco

Mon 16/11

16:35-21:35

1 stop21h 00m

£446

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Mon 2/11

06:30-11:45

1 stop13h 15m

San Francisco

Mon 16/11

16:40-10:55

Nonstop10h 15m

£450

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Fri 11/12

12:40-22:45

1 stop18h 05m

San Francisco

Fri 25/12

10:31-10:40

1 stop16h 09m

£456

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sat 23/1

09:00-16:30

1 stop15h 30m

San Francisco

Sat 30/1

05:00-07:55

1 stop18h 55m

£457

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Mon 5/10

14:25-14:40

3 stops32h 15m

San Francisco

Mon 12/10

16:45-22:50

2 stops22h 05m

£462

LondonSan Francisco

LCY London City - SFO San Francisco

LCYSFO

London City

Fri 23/10

10:00-23:56

2 stops21h 56m

San Francisco

Sun 25/10

14:50-16:35

1 stop18h 45m

£475

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Fri 18/12

11:35-19:39

1 stop16h 04m

San Francisco

Sun 10/1

16:21-13:30

1 stop13h 09m

£480

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Wed 7/10

15:15-14:40

2 stops31h 25m

San Francisco

Mon 19/10

16:45-19:55

2 stops19h 10m

£487

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sat 12/9

13:00-16:05

Nonstop11h 05m

San Francisco

Thu 1/10

12:55-07:25

Nonstop10h 30m

£509

Flights are sorted by cheapest return flights first.

Deals found on 21/8

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.

MAN-SFO

BHX-SFO

EDI-SFO

LHR-SFO

LGW-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

MAN-SFO

BHX-SFO

EDI-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 £451). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £640). 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 142 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, Virgin Atlantic 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

10,114 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

10,114 reviews

United Airlines

7.4

Good

10,114 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

695 reviews

United Airlines

7.4

Good

10,114 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

1,719 reviews

United Airlines

7.4

Good

10,114 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

8,212 reviews

United Airlines

7.4

Good

10,114 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

8,187 reviews

United Airlines

7.4

Good

10,114 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 15m. KLM provides one of the quickest options available for as low as £438. 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 £206. Virgin Atlantic flights start at £239 while deals on JetBlue start at £240 one-way.
What are the most popular routes from United Kingdom to San Francisco?
Most travelers choose London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco when deciding on the best route from United Kingdom to San Francisco.
What are the most reliable airlines from United Kingdom to San Francisco?
The top 3 most reliable airlines when flying from United Kingdom to San Francisco are Air Canada (75%), Austrian Airlines (75%) and United Airlines (75%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,258 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £320 while the most popular route, (London Heathrow - San Francisco) is currently priced at £339.
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 £451). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £640). 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

Roseville

Newark

Bodega Bay

Sunnyvale

South San Francisco

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to California

Flights by cabin class

Other flight options

Popular flights

San Francisco flight routes

Top destinations

Alternative routes for United Kingdom to San Francisco

Heathrow to Los Angeles flights

Heathrow to Las Vegas flights

Heathrow to San Francisco flights

Gatwick to Los Angeles flights

London City to Los Angeles flights

Stansted to Los Angeles flights

Gatwick to Las Vegas flights

Heathrow to Ontario flights

London City to Las Vegas flights

Gatwick to San Francisco flights

Luton to Los Angeles flights

Stansted to Las Vegas flights

London City to San Francisco flights

Stansted to San Francisco flights

Manchester to Las Vegas flights

Heathrow to San Diego flights

Luton to San Francisco flights

Heathrow to San Jose flights

Luton to Las Vegas flights

Heathrow to Santa Ana flights

Manchester to Los Angeles flights

Gatwick to Ontario flights

Gatwick to San Diego flights

Manchester to San Francisco flights

Stansted to San Diego flights

Heathrow to Burbank flights

London City to San Diego flights

Birmingham to Las Vegas flights

Edinburgh to Las Vegas flights

Edinburgh to Los Angeles flights

Edinburgh to San Francisco flights

Southend to Los Angeles flights

Heathrow to Sacramento flights

Glasgow Intl to Las Vegas flights

Manchester to Ontario flights

Birmingham to Los Angeles flights

Heathrow to Long Beach flights

Birmingham to San Francisco flights

Gatwick to Burbank flights

Gatwick to Sacramento flights

Manchester to Santa Ana flights

Glasgow Intl to Los Angeles flights

Newcastle upon Tyne to Las Vegas flights

London City to Sacramento flights

Gatwick to Santa Ana flights

Heathrow to Palm Springs flights

Heathrow to Oakland flights

Manchester to San Diego flights

Heathrow to Reno flights

Top 10 airlines flying from United Kingdom to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Iberia	Cheapest£168	Average£564	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Virgin Atlantic	Cheapest£181	Average£644	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Delta	Cheapest£271	Average£677	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
SWISS	Cheapest£344	Average£563	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
TAP AIR PORTUGAL	Cheapest£354	Average£472	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Aer Lingus	Cheapest£357	Average£685	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Brussels Airlines	Cheapest£366	Average£505	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£368	Average£493	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Lufthansa	Cheapest£375	Average£609	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£379	Average£672	FlexibilityNo cancel fee	On-time69%	Search United 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United Kingdom to San Francisco from £215

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. 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 24 August 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 24 August 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 24 August 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 24 August 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 24 August 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 24 August 2026.

Last-minute flights from United Kingdom to San FranciscoDiscover last-minute flight deals from United Kingdom to San Francisco. Data last updated 24 August 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 24 August 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 24 August 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 24 August 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 24 August 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 142 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, Virgin Atlantic 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?

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

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?

What are the most reliable airlines from United Kingdom to San Francisco?

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?

How can I find direct flights from United Kingdom to San Francisco?

Can I find deals for business class flights from United Kingdom to San Francisco?

What is the cheapest month to book a flight from United Kingdom to San Francisco?

Travelling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Francisco by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from United Kingdom to San Francisco by cabin class

Find flights from United Kingdom to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

United Kingdom and San Francisco flights

Browse other United Kingdom and San Francisco flight options. Last updated on 24 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to San Francisco

Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 August 2026.

United Kingdom to San Francisco flights

Consider these flights travelling from United Kingdom to San Francisco.

Top 10 airlines flying from United Kingdom to San Francisco

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to San Francisco?

Can Cheapflights find flights from United Kingdom to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from United Kingdom to San Francisco become cheaper?

100% Free

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 24 August 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 24 August 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 24 August 2026.

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 24 August 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 24 August 2026.