How many flights depart from London to San Francisco on average per week?

As of November 2025, there are 217 flights per week flying from London to San Francisco. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How many flights depart from London to San Francisco on average per day?

As of November 2025, there are 31 flights per day flying from London to San Francisco. The most common time of day flights depart is 11:00, with 56% of flights taking off at midday.

What is the cheapest airline that flies from London to San Francisco?

SWISS, United Airlines, and Lufthansa are the most popular carriers operating from London to San Francisco

When did momondo last update prices for flights from London to San Francisco Airport?

Prices for flights from London to San Francisco Airport were last updated today.

How old do you have to be to fly from London to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

€413 Cheap Flights from London to San Francisco in 2025/26

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06:40 - 14:35LHR-SFO

15h 55m1 stop

16:40 - 17:40SFO-LHR

17h 00m1 stop

€493Scandinavian Airlines

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Sat, 21 Feb - Sun, 1 Mar

06:40 - 14:35LHR-SFO

15h 55m1 stop

16:40 - 16:00SFO-LHR

15h 20m1 stop

€495Scandinavian Airlines

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Sat, 21 Feb - Sun, 1 Mar

13:45 - 16:30LHR-SFO

34h 45m1 stop

17:25 - 12:00SFO-LHR

10h 35mdirect

€526United Airlines

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Tue, 2 Dec - Tue, 9 Dec

13:45 - 16:30LHR-SFO

34h 45m1 stop

12:50 - 07:25SFO-LHR

10h 35mdirect

€527United Airlines

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Tue, 2 Dec - Mon, 8 Dec

09:00 - 16:30LHR-SFO

15h 30m1 stop

19:25 - 17:50SFO-LHR

14h 25m1 stop

€534SWISS

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Tue, 13 Jan - Tue, 27 Jan

20:05 - 16:30LHR-SFO

28h 25m1 stop

19:25 - 17:50SFO-LHR

14h 25m1 stop

€541SWISS

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Tue, 2 Dec - Wed, 10 Dec

06:30 - 11:50LHR-SFO

13h 20m1 stop

08:50 - 08:05SFO-LHR

15h 15m1 stop

€546Virgin Atlantic

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Sun, 23 Nov - Tue, 9 Dec

06:30 - 11:45LHR-SFO

13h 15m1 stop

13:35 - 09:50SFO-LHR

12h 15m1 stop

€548Delta

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Mon, 30 Mar - Wed, 8 Apr

06:30 - 11:50LHR-SFO

13h 20m1 stop

00:40 - 07:05SFO-LHR

22h 25m1 stop

€553Delta

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Fri, 20 Feb - Sun, 22 Feb

11:40 - 14:40LHR-SFO

11h 00mdirect

16:30 - 10:40SFO-LHR

10h 10mdirect

€556Virgin Atlantic

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Thu, 4 Dec - Mon, 8 Dec

United Airlines flights from London to San Francisco

Our best United Airlines deals on London to San Francisco flight tickets

United Airlines

2 Dec

LHR13:45London Heathrow

34h 45m

1 stop

SFO16:30San Francisco

9 Dec

SFO17:25San Francisco

10h 35m

LHR12:00London Heathrow

€526

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United Airlines

2 Dec

LHR12:05London Heathrow

36h 25m

1 stop

SFO16:30San Francisco

9 Dec

SFO17:25San Francisco

10h 35m

LHR12:00London Heathrow

€527

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United Airlines

8 Dec

LHR07:40London Heathrow

15h 10m

1 stop

SFO14:50San Francisco

25 Dec

SFO08:25San Francisco

14h 45m

1 stop

LHR07:10London Heathrow

€529

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Virgin Atlantic flights from London to San Francisco

Our best Virgin Atlantic deals on London to San Francisco flight tickets

Virgin Atlantic

23 Nov

LHR06:30London Heathrow

13h 20m

1 stop

SFO11:50San Francisco

9 Dec

SFO08:50San Francisco

15h 15m

1 stop

LHR08:05London Heathrow

€546

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Virgin Atlantic

4 Dec

LHR11:40London Heathrow

11h 00m

SFO14:40San Francisco

8 Dec

SFO16:30San Francisco

10h 10m

LHR10:40London Heathrow

€556

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Virgin Atlantic

10 Nov

LHR06:30London Heathrow

13h 20m

1 stop

SFO11:50San Francisco

28 Nov

SFO16:30San Francisco

10h 10m

LHR10:40London Heathrow

€629

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Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 21/2

06:40-14:35

1 stop15h 55m

San Francisco

Sun 1/3

16:40-17:40

1 stop17h 00m

€493

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 21/2

06:40-14:35

1 stop15h 55m

San Francisco

Sun 1/3

16:40-16:00

1 stop15h 20m

€495

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 2/12

13:45-16:30

1 stop34h 45m

San Francisco

Tue 9/12

17:25-12:00

Nonstop10h 35m

€526

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 2/12

13:45-16:30

1 stop34h 45m

San Francisco

Mon 8/12

12:50-07:25

Nonstop10h 35m

€527

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 13/1

09:00-16:30

1 stop15h 30m

San Francisco

Tue 27/1

19:25-17:50

1 stop14h 25m

€534

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 2/12

20:05-16:30

1 stop28h 25m

San Francisco

Wed 10/12

19:25-17:50

1 stop14h 25m

€541

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 23/11

06:30-11:50

1 stop13h 20m

San Francisco

Tue 9/12

08:50-08:05

1 stop15h 15m

€546

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 30/3

06:30-11:45

1 stop13h 15m

San Francisco

Wed 8/4

13:35-09:50

1 stop12h 15m

€548

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 20/2

06:30-11:50

1 stop13h 20m

San Francisco

Sun 22/2

00:40-07:05

1 stop22h 25m

€553

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 4/12

11:40-14:40

Nonstop11h 00m

San Francisco

Mon 8/12

16:30-10:40

Nonstop10h 10m

€556

Flights are sorted by cheapest return flights first.

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How to get the cheapest flight ticket from London to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Francisco?

The cheapest month to fly to San Francisco from London is in September. Flight prices, which tend to average around €499, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to San Francisco from London during February instead. Flights to San Francisco in February, while not as cheap as those in September, still average around €502.

What is the cheapest day to depart on your flight to San Francisco?

On average, the least expensive day to fly to San Francisco from London is on a Saturday. momondo users have found tickets for Saturday departures for as low as €544. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €747.

What is the cheapest time of day to depart on your flight to San Francisco?

According to our data, the cheapest time of day to fly to San Francisco is in the morning. momondo users have found flights departing from London to San Francisco in the morning for as low as €544. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €894 on average. Flights to San Francisco from London in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London to San Francisco flight route?

Fly from London Heathrow to San Francisco for the best London - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around €588 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from London for as low as €545 on momondo.

What cabin class options are available on London to San Francisco flights?

There is only 1 cabin class available to choose from on London to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to San Francisco flights?

You could potentially save up to 32% on your flight if you consider stops on a London to San Francisco flight.

How have London to San Francisco flight prices changed over time?

As of November 2025, prices for London to San Francisco flights are approximately 13% more expensive when compared to flights at the same time last year.

When to book flights from London to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from London to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London to San Francisco (LON to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to San Francisco

Fastest flight time	11h 00m
Direct flights	Every day
Airports in San Francisco	1 airport

The fastest flight from London to San Francisco takes 11h 00m

Direct flights go from London to San Francisco every day.

There is 1 airport near San Francisco: San Francisco (SFO)

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How far is London to San Francisco by plane?
The straight-line distance from London to San Francisco is 8609.4 km. By plane, this route typically takes 11h 00m.
When did momondo last update prices for flights from London to San Francisco Airport?
Prices for flights from London to San Francisco Airport were last updated today.
How old do you have to be to fly from London to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from London to San Francisco is Boeing 777, representing 41.15% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 23.46%, Airbus A380-800 at 13.92%, and Boeing 777-300ER at 11.08%.

Santa Cruz

Millbrae

Walnut Creek

Alameda

Menlo Park

Why use momondo?

Why should I use momondo to find a flight deal from London to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to San Francisco for you.

Can I find flights from London to San Francisco with flexible booking policies on momondo?

All flight searches from London to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to San Francisco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from London.

I’m not ready to book a flight from London to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from London and alert you when they change.