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

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

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

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How often are flights from London to San Francisco delayed?

Historically, on average around 15% of flights between London and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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

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

How many operators does momondo search for flights from London Heathrow Airport to San Francisco Airport?

As of October 2025, there are 2 operators available to choose from for flights from London Heathrow Airport to San Francisco Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to San Francisco Airport.

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

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

₹ 40,596 Cheap Flights from London Heathrow Airport to San Francisco in 2025/26

Q: How many flights depart from London Heathrow Airport to San Francisco on average per day?

As of October 2025, there are 25 flights per day flying from London Heathrow Airport to San Francisco. The most common time of day flights depart is 11:00, with 56% of flights taking off at midday.

Q: How many flights depart from London Heathrow Airport to San Francisco on average per week?

As of October 2025, there are 180 flights per week flying from London Heathrow Airport to San Francisco. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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18:30 - 14:45LHR-SFO

28h 15m1 stop

16:35 - 17:30SFO-LHR

16h 55m1 stop

₹ 45,009TAP AIR PORTUGAL

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Fri, 7 Nov - Mon, 17 Nov

06:40 - 14:35LHR-SFO

15h 55m1 stop

16:40 - 16:00SFO-LHR

15h 20m1 stop

₹ 50,834Scandinavian Airlines

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Sat, 21 Feb - Sun, 1 Mar

19:50 - 14:35LHR-SFO

26h 45m2 stops

16:40 - 16:00SFO-LHR

15h 20m1 stop

₹ 51,010Scandinavian Airlines

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Wed, 28 Jan - Mon, 9 Feb

06:40 - 14:35LHR-SFO

15h 55m1 stop

16:40 - 16:25SFO-LHR

15h 45m2 stops

₹ 51,187Scandinavian Airlines

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Sat, 21 Feb - Sun, 1 Mar

09:00 - 16:30LHR-SFO

15h 30m1 stop

11:20 - 11:50SFO-LHR

16h 30m1 stop

₹ 54,099United Airlines

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Tue, 25 Nov - Tue, 2 Dec

09:00 - 16:30LHR-SFO

15h 30m1 stop

12:50 - 07:25SFO-LHR

10h 35mdirect

₹ 54,187United Airlines

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Tue, 9 Dec - Wed, 14 Jan

20:05 - 16:30LHR-SFO

28h 25m1 stop

19:25 - 17:50SFO-LHR

14h 25m1 stop

₹ 54,717SWISS

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Tue, 2 Dec - Tue, 9 Dec

09:00 - 16:30LHR-SFO

15h 30m1 stop

12:50 - 07:25SFO-LHR

10h 35mdirect

₹ 54,805Multiple Airlines

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Tue, 27 Jan - Mon, 23 Feb

06:30 - 11:50LHR-SFO

13h 20m1 stop

16:30 - 10:40SFO-LHR

10h 10mdirect

₹ 55,776Virgin Atlantic

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Mon, 17 Nov - Sun, 30 Nov

06:30 - 11:50LHR-SFO

13h 20m1 stop

10:38 - 10:30SFO-LHR

15h 52m1 stop

₹ 55,952Virgin Atlantic

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Thu, 25 Dec - Mon, 5 Jan

TAP AIR PORTUGAL flights from London Heathrow Airport to San Francisco

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to San Francisco flight tickets

TAP AIR PORTUGAL

7 Nov

LHR18:30London Heathrow

28h 15m

1 stop

SFO14:45San Francisco

17 Nov

SFO16:35San Francisco

16h 55m

1 stop

LHR17:30London Heathrow

₹ 45,009

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TAP AIR PORTUGAL

12 Nov

LHR06:00London Heathrow

16h 30m

1 stop

SFO14:30San Francisco

15 Nov

SFO16:35San Francisco

18h 20m

1 stop

LHR18:55London Heathrow

₹ 60,188

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TAP AIR PORTUGAL

7 Nov

LHR06:00London Heathrow

18h 05m

1 stop

SFO16:05San Francisco

10 Dec

SFO16:35San Francisco

16h 55m

1 stop

LHR17:30London Heathrow

₹ 61,777

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Delta flights from London Heathrow Airport to San Francisco

Our best Delta deals on London Heathrow Airport to San Francisco flight tickets

Delta

2 Dec

LHR11:40London Heathrow

11h 00m

SFO14:40San Francisco

10 Dec

SFO16:30San Francisco

10h 10m

LHR10:40London Heathrow

₹ 57,364

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Delta

11 Nov

LHR06:30London Heathrow

13h 20m

1 stop

SFO11:50San Francisco

13 Dec

SFO08:50San Francisco

15h 15m

1 stop

LHR08:05London Heathrow

₹ 59,306

Find similar

Delta

10 Nov

LHR11:40London Heathrow

11h 00m

SFO14:40San Francisco

9 Dec

SFO16:30San Francisco

10h 10m

LHR10:40London Heathrow

₹ 59,394

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momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to San Francisco that are best for you.

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Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 7/11

18:30-14:45

1 stop28h 15m

San Francisco

Mon 17/11

16:35-17:30

1 stop16h 55m

₹ 45,009

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

₹ 50,834

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 28/1

19:50-14:35

2 stops26h 45m

San Francisco

Mon 9/2

16:40-16:00

1 stop15h 20m

₹ 51,010

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 21/2

06:40-14:35

1 stop15h 55m

San Francisco

Sun 1/3

16:40-16:25

2 stops15h 45m

₹ 51,187

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 25/11

09:00-16:30

1 stop15h 30m

San Francisco

Tue 2/12

11:20-11:50

1 stop16h 30m

₹ 54,099

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 9/12

09:00-16:30

1 stop15h 30m

San Francisco

Wed 14/1

12:50-07:25

Nonstop10h 35m

₹ 54,187

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 2/12

20:05-16:30

1 stop28h 25m

San Francisco

Tue 9/12

19:25-17:50

1 stop14h 25m

₹ 54,717

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 27/1

09:00-16:30

1 stop15h 30m

San Francisco

Mon 23/2

12:50-07:25

Nonstop10h 35m

₹ 54,805

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 17/11

06:30-11:50

1 stop13h 20m

San Francisco

Sun 30/11

16:30-10:40

Nonstop10h 10m

₹ 55,776

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/12

06:30-11:50

1 stop13h 20m

San Francisco

Mon 5/1

10:38-10:30

1 stop15h 52m

₹ 55,952

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How to get the cheapest flight ticket from London Heathrow Airport 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

Delays

Other information

What is the cheapest month to fly to San Francisco?

In general, February is the cheapest month to fly from London Heathrow Airport to San Francisco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 49,951. If you aren’t able to travel to San Francisco during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of ₹ 51,275.

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

The cheapest day to depart from London Heathrow Airport to San Francisco is on a Thursday. Travellers who choose to depart for San Francisco on a Thursday will often find tickets for as low as ₹ 50,345. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around ₹ 131,768.

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

The cheapest time of day to fly to San Francisco is at midday when flights can be purchased for as low as ₹ 50,345. Flights in the morning are often more expensive, with an average ticket price of ₹ 61,766.

What is the cheapest London Heathrow to San Francisco flight route?

Fly from London Heathrow to San Francisco for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around ₹ 59,747 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 Heathrow Airport for as low as ₹ 55,511 on momondo.

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

There are 2 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to San Francisco flights?

You could potentially save up to 58% on your flight if you consider stops on a London Heathrow Airport to San Francisco flight.

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

As of October 2025, prices for London Heathrow Airport to San Francisco flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to San Francisco

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

Estimated return price

Cheap London Heathrow Airport to San Francisco (LHR to SFO) flight deals and tips

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

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

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

Direct flights go from London Heathrow Airport to San Francisco every day.

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

Search flight deals

How far is London Heathrow to San Francisco by plane?
There are 8596.0 km between London Heathrow and San Francisco. By plane, this route typically takes 11h 00m.
When did momondo last update prices for flights from London Heathrow Airport to San Francisco Airport?
Prices for flights from London Heathrow Airport to San Francisco Airport were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to San Francisco Airport?
As of October 2025, there are 2 operators available to choose from for flights from London Heathrow Airport to San Francisco Airport.
How old do you have to be to fly from London Heathrow Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to San Francisco?
Based on momondo bookings for flights between London Heathrow Airport and San Francisco, the leading plane model is Boeing 777, making up 41.01% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 24.31%, Airbus A380-800 with 12.69%, and Boeing 777-300ER with 10.58%.
What is the most popular airline from London Heathrow Airport to San Francisco?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to San Francisco is British Airways, representing 50% of all bookings. The subsequent popular airline is Virgin Atlantic at 50%.

Best airlines flying from London Heathrow Airport to San Francisco

Compare and see reviews for airlines that fly from London Heathrow Airport to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom ₹ 49,083	Free Cancellation	Rating 7.5 670 reviews		Search Virgin Atlantic flights
British Airways	PriceFrom ₹ 50,281	Free Cancellation	Rating 6.7 7,483 reviews		Search British Airways flights

Virgin Atlantic Flights From London Heathrow Airport to San Francisco
Virgin Atlantic flies from London Heathrow Airport to San Francisco around 6 times per week, with 670 momondo users rating the airline 7.5/10. The cheapest Virgin Atlantic deal from London Heathrow Airport to San Francisco in the last 72 hours was ₹ 49,083 (round-trip), much lower than the average airfare cost of ₹ 53,818 for Virgin Atlantic flights on this route.
British Airways Flights From London Heathrow Airport to San Francisco
British Airways (6.7/10 from 7,483 reviews) operates around 11 flights from London Heathrow Airport to San Francisco in any given week. The average British Airways airfare for this route is around ₹ 54,576, with deals from around ₹ 50,281 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to San Francisco flight searches in the last 72 hours.

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Bodega Bay

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Sunnyvale

Fremont

Calistoga

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from London.

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

Yes. momondo enables you to select and highlight flights to San Francisco from London with this policy.

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?

Of course. momondo tracks the price of London to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Flights to Atlantafrom ₹ 60,100

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Cheap flights from London Heathrow Airport to San Francisco from ₹ 40,596

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TAP AIR PORTUGAL flights from London Heathrow Airport to San Francisco

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Our best Delta deals on London Heathrow Airport to San Francisco flight tickets

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Use the filters below to find and compare flights from London Heathrow Airport to San Francisco that are best for you.

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How to get the cheapest flight ticket from London Heathrow Airport 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

What is the cheapest month to fly to San Francisco?

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

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

The cheapest time of day to fly to San Francisco is at midday when flights can be purchased for as low as ₹ 50,345. Flights in the morning are often more expensive, with an average ticket price of ₹ 61,766.

What is the cheapest London Heathrow to San Francisco flight route?

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

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

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

There are 2 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to San Francisco flights?

You could potentially save up to 58% on your flight if you consider stops on a London Heathrow Airport to San Francisco flight.

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

As of October 2025, prices for London Heathrow Airport to San Francisco flights are approximately 21% more expensive when compared to flights at the same time last year.

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

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

How often are flights from London to San Francisco delayed?

Historically, on average around 15% of flights between London and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

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

As of October 2025, there are 25 flights per day flying from London Heathrow Airport to San Francisco. The most common time of day flights depart is 11:00, with 56% of flights taking off at midday.

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

As of October 2025, there are 180 flights per week flying from London Heathrow Airport to San Francisco. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

When to book flights from London Heathrow Airport to San Francisco

Cheap London Heathrow Airport to San Francisco (LHR to SFO) flight deals and tips

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

Fastest flight time

Direct flights

Airports in San Francisco

How far is London Heathrow to San Francisco by plane?

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

How many operators does momondo search for flights from London Heathrow Airport to San Francisco Airport?

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

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

What is the most popular plane model from London Heathrow Airport to San Francisco?

What is the most popular airline from London Heathrow Airport to San Francisco?

Best airlines flying from London Heathrow Airport to San Francisco

Compare and see reviews for airlines that fly from London Heathrow Airport to San Francisco with momondo

Virgin Atlantic Flights From London Heathrow Airport to San Francisco

British Airways Flights From London Heathrow Airport to San Francisco

Travelling to a place near San Francisco?

Why use momondo?

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

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

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

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

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California