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

There are many flights that can get you from San Francisco to United Kingdom in 14h 40m. Fly via TAP AIR PORTUGAL, United Airlines, or Scandinavian Airlines to get the fastest option. Airlines will cover a distance of 5263 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 San Francisco to United Kingdom one-way?

To fly one-way, consider booking your trip with Virgin Atlantic, which is currently one of the cheapest options available, starting at £171. British Airways flights start at £173 while deals on Delta start at £180 one-way.

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July 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 4.0 C).

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

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

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

On average you can expect to pay £1,564 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £296 while the most popular route, (San Francisco - London Heathrow) is currently priced at £488.

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

Consider SAUDIA (85%), Air Canada (81%) or Austrian Airlines (81%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to United Kingdom.

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

Virgin Atlantic, United Airlines and British Airways are the most popular airlines when flying from San Francisco to United Kingdom.

What airport do you fly from for flights from San Francisco to United Kingdom?

If you book a flight to United Kingdom from San Francisco, you will be flying from 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 San Francisco to United Kingdom that include hotel bookings?

Yes. In addition to deals on San Francisco to United Kingdom flights, Cheapflights offers holiday packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to United Kingdom.

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

Yes. Cheapflights offers flight deals from San Francisco to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£238+ Cheap Flights from San Francisco to the United Kingdom

Cheap flight deals from San Francisco to United Kingdom

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from San Francisco to United Kingdom
Explore the most affordable flight options available from San Francisco to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Mon 21/916:30 -

1 stop18h 20m

Tue 6/1019:50 -

1 stop26h 45m

Deal found 7/8£477

Mon 21/916:30 -

1 stop22h 25m

Tue 29/913:45 -

1 stop32h 50m

Deal found 7/8£479

Mon 21/916:30 -

1 stop17h 15m

Mon 28/918:45 -

1 stop26h 50m

Deal found 6/8£488

Mon 21/916:30 -

1 stop33h 15m

Tue 6/1016:25 -

1 stop30h 10m

Deal found 7/8£489

Mon 21/916:30 -

1 stop33h 15m

Tue 29/916:25 -

1 stop30h 10m

Deal found 8/8£490

Tue 22/916:30 -

2 stops19h 25m

Tue 29/920:35 -

2 stops25h 55m

Deal found 6/8£512

Mon 28/908:10 -

2 stops22h 35m

Mon 5/1020:50 -

3 stops26h 31m

Deal found 7/8£517

Tue 6/1008:10 -

2 stops19h 50m

Wed 14/1018:20 -

3 stops29h 01m

Deal found 8/8£523

Mon 19/1008:10 -

2 stops25h 55m

Thu 22/1017:30 -

3 stops29h 51m

Deal found 8/8£525

Mon 28/908:10 -

2 stops18h 50m

Mon 5/1018:05 -

3 stops29h 16m

Deal found 7/8£529

Mon 5/1008:10 -

2 stops18h 50m

Wed 14/1016:30 -

3 stops30h 51m

Deal found 8/8£535

Mon 5/1008:10 -

2 stops26h 05m

Wed 14/1018:20 -

3 stops29h 01m

Deal found 8/8£536

Best flights from San Francisco to United Kingdom
Discover carefully curated flight deals from San Francisco to United Kingdom that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 August 2026.

Mon 21/911:10 -

2 stops19h 25m

Tue 6/1020:35 -

2 stops27h 40m

Deal found 7/8£536

Sun 6/1213:50 -

1 stop14h 40m

Tue 8/1206:00 -

2 stops25h 04m

Deal found 7/8£581

Wed 16/916:35 -

1 stop33h 10m

Wed 23/916:25 -

1 stop30h 05m

Deal found 5/8£603

Tue 3/1116:45 -

2 stops35h 30m

Wed 18/1110:10 -

1 stop36h 40m

Deal found 5/8£622

Mon 16/1120:35 -

1 stop13h 40m

Wed 18/1120:25 -

1 stop26h 30m

Deal found 5/8£636

Mon 23/1109:55 -

2 stops16h 45m

Fri 27/1106:30 -

1 stop13h 15m

Deal found 7/8£639

Mon 30/1118:35 -

1 stop31h 20m

Wed 9/1210:55 -

1 stop37h 35m

Deal found 8/8£651

Sun 8/1106:03 -

2 stops18h 07m

Wed 11/1108:40 -

2 stops19h 52m

Deal found 7/8£664

Mon 5/1015:15 -

2 stops19h 35m

Tue 13/1016:30 -

2 stops28h 45m

Deal found 6/8£717

Sun 4/1008:10 -

2 stops26h 05m

Wed 7/1016:30 -

3 stops30h 51m

Deal found 7/8£555

Wed 30/916:45 -

1 stop32h 10m

Tue 6/1012:45 -

2 stops33h 55m

Deal found 5/8£631

Sun 18/1006:00 -

2 stops32h 55m

Sun 20/1212:15 -

2 stops34h 30m

Deal found 9/8£573

Mon 9/1113:34 -

2 stops16h 56m

Wed 18/1108:15 -

1 stop14h 40m

Deal found 7/8£639

Sun 8/1115:10 -

1 stop34h 35m

Mon 16/1113:30 -

1 stop30h 15m

Deal found 7/8£645

Wed 9/916:35 -

1 stop33h 10m

Sun 20/921:15 -

2 stops48h 20m

Deal found 7/8£660

Tue 6/1012:55 -

Nonstop10h 30m

Wed 14/1007:25 -

1 stop15h 05m

Deal found 6/8£660

Mon 5/1006:00 -

2 stops19h 40m

Thu 15/1010:25 -

2 stops20h 34m

Deal found 10/8£679

Mon 28/912:50 -

1 stop37h 05m

Sun 11/1017:35 -

1 stop25h 10m

Deal found 9/8£696

Mon 21/916:45 -

1 stop16h 55m

Tue 6/1019:50 -

2 stops26h 50m

Deal found 6/8£635

Tue 29/916:30 -

2 stops19h 25m

Mon 12/1020:35 -

2 stops25h 55m

Deal found 9/8£581

Sat 7/1122:55 -

2 stops29h 55m

Wed 18/1106:00 -

1 stop13h 45m

Deal found 7/8£650

Wed 7/1015:15 -

2 stops19h 35m

Tue 13/1016:30 -

2 stops28h 45m

Deal found 6/8£717

Mon 19/1016:35 -

1 stop14h 15m

Mon 9/1120:25 -

1 stop26h 30m

Deal found 5/8£652

Wed 30/911:58 -

2 stops20h 02m

Wed 7/1017:00 -

1 stop27h 50m

Deal found 9/8£682

Mon 14/916:30 -

1 stop33h 15m

Mon 28/916:25 -

1 stop29h 10m

Deal found 5/8£682

Tue 29/918:45 -

1 stop37h 55m

Sun 11/1010:50 -

1 stop37h 50m

Deal found 7/8£696

Thu 1/1016:45 -

1 stop17h 50m

Thu 8/1019:15 -

1 stop27h 25m

Deal found 5/8£640

Mon 28/908:10 -

2 stops20h 10m

Sun 11/1018:15 -

2 stops26h 25m

Deal found 6/8£584

Sat 7/1123:30 -

2 stops29h 20m

Thu 19/1106:00 -

1 stop13h 45m

Deal found 7/8£650

Tue 29/919:45 -

Nonstop10h 25m

Sun 11/1016:15 -

Nonstop11h 00m

Deal found 6/8£719

Find flight deals from San Francisco to United Kingdom

Round-trip from	£477
One-way from	£238
Popular in	June
Cheapest in	February
Average price	£671
Good round-trip deal	£786 or less
Good one-way deal	£340 or less

TAP AIR PORTUGAL
21/9-6/10
2 total stops
45h 05m total
San Francisco to United Kingdom

Search Deals

17/10
3 total stops
33h 17m total
San Francisco to United Kingdom

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£124 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 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 San Francisco to United Kingdom.

Search Deals

Price to beat on a one-way flight from San Francisco to United Kingdom.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Mon 21/9

11:10-14:35

2 stops19h 25m

London Luton

Tue 6/10

20:35-16:15

2 stops27h 40m

£536

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Sun 4/10

08:10-18:15

2 stops26h 05m

London Luton

Wed 7/10

16:30-15:21

3 stops30h 51m

£555

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Sun 18/10

06:00-22:55

2 stops32h 55m

London Luton

Sun 20/12

12:15-14:45

2 stops34h 30m

£573

San FranciscoBirmingham

SFO San Francisco - BHX Birmingham

SFOBHX

San Francisco

Sun 6/12

13:50-12:30

1 stop14h 40m

Birmingham

Tue 8/12

06:00-23:04

2 stops25h 04m

£581

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Tue 29/9

16:30-19:55

2 stops19h 25m

London Luton

Mon 12/10

20:35-14:30

2 stops25h 55m

£581

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Mon 28/9

08:10-12:20

2 stops20h 10m

London Luton

Sun 11/10

18:15-12:40

2 stops26h 25m

£584

San FranciscoLondon

SFO San Francisco - LGW London Gatwick

SFOLGW

San Francisco

Wed 16/9

16:35-09:45

1 stop33h 10m

London Gatwick

Wed 23/9

16:25-14:30

1 stop30h 05m

£603

San FranciscoManchester

SFO San Francisco - MAN Manchester

SFOMAN

San Francisco

Tue 3/11

16:45-12:15

2 stops35h 30m

Manchester

Wed 18/11

10:10-14:50

1 stop36h 40m

£622

San FranciscoManchester

SFO San Francisco - MAN Manchester

SFOMAN

San Francisco

Wed 30/9

16:45-08:55

1 stop32h 10m

Manchester

Tue 6/10

12:45-14:40

2 stops33h 55m

£631

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Mon 21/9

16:45-17:40

1 stop16h 55m

London Heathrow

Tue 6/10

19:50-14:40

2 stops26h 50m

£635

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from San Francisco to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from San Francisco with our price prediction graph.

SFO-LHR

SFO-LGW

SFO-LTN

SFO-STN

SFO-BHX

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 San Francisco to the United Kingdom

SFO-GB0

SFO-LHR

SFO-LGW

SFO-LTN

SFO-STN

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

Currently, February is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of £488). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of £958). 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 SFO to GB?

It’s optimal to fly from San Francisco to United Kingdom in the morning. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from San Francisco to United Kingdom

The most flights from SFO to GB0 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 San Francisco to the United Kingdom delayed?

About 11% of weekly flights between San Francisco and United Kingdom have experienced delays in the past year, with the average delay time being 151 minutes.

What is the most punctual flight time for San Francisco to the United Kingdom flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to the United Kingdom flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 8% of flights being delayed.

How far ahead should I book a flight from San Francisco to United Kingdom?

The best time to book flights from San Francisco to United Kingdom is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from San Francisco to United Kingdom?

Travellers seeking maximum savings on their San Francisco to United Kingdom flight should consider departing on Saturday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing United Kingdom

See what other customers who have flown with KLM,Virgin Atlantic, andUnited Airlines from San Francisco to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

KLM

7.8

Good

1,555 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Virgin Atlantic

7.5

Good

694 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

United Airlines

7.4

Good

10,101 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Aer Lingus

7.3

Good

1,693 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

British Airways

6.7

Okay

8,155 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

What airport do you fly from for flights from San Francisco to United Kingdom?
If you book a flight to United Kingdom from San Francisco, you will be flying from 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 San Francisco to United Kingdom?
There are many flights that can get you from San Francisco to United Kingdom in 14h 40m. Fly via TAP AIR PORTUGAL, United Airlines, or Scandinavian Airlines to get the fastest option. Airlines will cover a distance of 5263 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 San Francisco to United Kingdom one-way?
To fly one-way, consider booking your trip with Virgin Atlantic, which is currently one of the cheapest options available, starting at £171. British Airways flights start at £173 while deals on Delta start at £180 one-way.
What are the most popular routes from San Francisco to United Kingdom?
Most travelers choose San Francisco - London Heathrow, San Francisco - London Gatwick or San Francisco - London Stansted when deciding on the best route from San Francisco to United Kingdom.
What are the most reliable airlines from San Francisco to United Kingdom?
Consider SAUDIA (85%), Air Canada (81%) or Austrian Airlines (81%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to United Kingdom.
What are the cheapest flights from San Francisco to United Kingdom?
On average you can expect to pay £1,564 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £296 while the most popular route, (San Francisco - London Heathrow) is currently priced at £488.
Can I find deals for flights from San Francisco to United Kingdom that include hotel bookings?
Yes. In addition to deals on San Francisco to United Kingdom flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Francisco to United Kingdom?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to United Kingdom.
Can I find deals for business class flights from San Francisco to United Kingdom?
Yes. Cheapflights offers flight deals from San Francisco to United Kingdom 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 San Francisco to United Kingdom?
Currently, February is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of £488). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of £958). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Top regions

Alternative routes for San Francisco to United Kingdom

Los Angeles to Heathrow flights

San Francisco to Heathrow flights

Los Angeles to Gatwick flights

Los Angeles to Stansted flights

San Francisco to Gatwick flights

Los Angeles to London City flights

San Francisco to Stansted flights

San Francisco to London City flights

San Diego to Heathrow flights

Ontario to Heathrow flights

Los Angeles to Luton flights

Las Vegas to Heathrow flights

San Francisco to Luton flights

San Jose to Heathrow flights

Los Angeles to Edinburgh flights

San Diego to Gatwick flights

Ontario to Gatwick flights

San Diego to Stansted flights

Las Vegas to Gatwick flights

Burbank to Gatwick flights

Burbank to Heathrow flights

San Francisco to Edinburgh flights

Santa Ana to Heathrow flights

Los Angeles to Manchester flights

Sacramento to Heathrow flights

Las Vegas to London City flights

San Jose to Gatwick flights

Oakland to Heathrow flights

Oakland to Gatwick flights

San Francisco to Manchester flights

Sacramento to Gatwick flights

Los Angeles to Glasgow Intl flights

Los Angeles to Leeds flights

San Diego to Edinburgh flights

Ontario to Manchester flights

Ontario to Edinburgh flights

Los Angeles to Southampton flights

San Francisco to Birmingham flights

Reno to Heathrow flights

Las Vegas to Edinburgh flights

San Francisco to Glasgow Intl flights

Santa Ana to Gatwick flights

San Diego to Glasgow Intl flights

Top 7 airlines flying from San Francisco to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest£370	Average£665	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£423	Average£600	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£431	Average£722	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£432	Average£571	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£452	Average£723	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£472	Average£851	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Aer Lingus	Cheapest£550	Average£703	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to United Kingdom from San Francisco today with Cheapflights!

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

Cheapflights helps you find that perfect flight to United Kingdom from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to United Kingdom from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from San Francisco to United Kingdom and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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 San Francisco to the United Kingdom from £238

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to United Kingdom

Cheapest flights from San Francisco to United KingdomExplore the most affordable flight options available from San Francisco to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Explore the most affordable flight options available from San Francisco to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Best flights from San Francisco to United KingdomDiscover carefully curated flight deals from San Francisco to United Kingdom that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 August 2026.

Discover carefully curated flight deals from San Francisco to United Kingdom that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 August 2026.

Direct flights from San Francisco to United KingdomExplore direct flight options from San Francisco to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 August 2026.

Explore direct flight options from San Francisco to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 August 2026.

Last-minute flights from San Francisco to United KingdomDiscover last-minute flight deals from San Francisco to United Kingdom. Data last updated 10 August 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to United Kingdom. Data last updated 10 August 2026 and is based on user searches.

One-way flights from San Francisco to United KingdomSearch for one-way flight options from San Francisco to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 10 August 2026.

Search for one-way flight options from San Francisco to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 10 August 2026.

Find flight deals from San Francisco to United Kingdom

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 San Francisco to the United Kingdom that are best for you.

Best time to book a flight from San Francisco to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from San Francisco with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from SFO to GB?

Find hourly flight availability from San Francisco to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 August 2026.

It’s optimal to fly from San Francisco to United Kingdom in the morning. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from San Francisco to United Kingdom

The most flights from SFO to GB0 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 San Francisco to the United Kingdom delayed?

About 11% of weekly flights between San Francisco and United Kingdom have experienced delays in the past year, with the average delay time being 151 minutes.

What is the most punctual flight time for San Francisco to the United Kingdom flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to the United Kingdom flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 8% of flights being delayed.

How far ahead should I book a flight from San Francisco to United Kingdom?

The best time to book flights from San Francisco to United Kingdom is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from San Francisco to United Kingdom?

Use this chart to determine the cheapest time to fly return from San Francisco to United Kingdom. Price data was last updated on 8 August 2026.

Travellers seeking maximum savings on their San Francisco to United Kingdom flight should consider departing on Saturday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing United Kingdom

See what other customers who have flown with KLM,Virgin Atlantic, andUnited Airlines from San Francisco to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from San Francisco to United Kingdom?

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

What are the cheapest airlines to fly from San Francisco to United Kingdom one-way?

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

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

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

Can I find deals for flights from San Francisco to United Kingdom that include hotel bookings?

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

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

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

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 San Francisco to United Kingdom

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

Complete your trip

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

Direct flights to

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

Search flights from San Francisco to United Kingdom by cabin class

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

San Francisco and United Kingdom flights

Browse other San Francisco and United Kingdom flight options. Last updated on 10 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

San Francisco to United Kingdom flights

Consider these flights travelling from San Francisco to United Kingdom.

Fly to United Kingdom regions

Consider these flights travelling to United Kingdom regions.

Top 7 airlines flying from San Francisco to United Kingdom

Fly with Cheapflights

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

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

Cheapest flights from San Francisco to United Kingdom
Explore the most affordable flight options available from San Francisco to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Best flights from San Francisco to United Kingdom
Discover carefully curated flight deals from San Francisco to United Kingdom that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 August 2026.

Direct flights from San Francisco to United Kingdom
Explore direct flight options from San Francisco to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 August 2026.

Last-minute flights from San Francisco to United Kingdom
Discover last-minute flight deals from San Francisco to United Kingdom. Data last updated 10 August 2026 and is based on user searches.

One-way flights from San Francisco to United Kingdom
Search for one-way flight options from San Francisco to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 10 August 2026.