What airlines fly to London Heathrow Airport?

United Airlines, British Airways and Virgin Atlantic are the top three most popular airlines that fly to London Heathrow Airport from San Francisco according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 19 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between San Francisco and London Heathrow Airport?

Lisbon (LIS) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

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

The number of flights available between San Francisco and London Heathrow Airport is 29 per day as of January 2026. The most frequent departure time is 5:00PM, with 85% of daily flights leaving in the afternoon.

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

As of January 2026, 205 flights take off from San Francisco and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

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

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which layover airport offers the lowest fares from San Francisco to London Heathrow Airport?

Flights via Lisbon (LIS) offer the lowest average round-trip price of $520.

How often are flights from San Francisco to London delayed?

Historically, on average around 11% of flights between San Francisco and London have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

Which layover airport has the shortest connection time from San Francisco to London Heathrow Airport?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 28m.

Which layover airport has the shortest travel time from San Francisco to London Heathrow Airport?

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 13h 16m.

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

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

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

JetBlue is the most popular carrier operating from San Francisco to London Heathrow

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

Prices for flights from San Francisco Airport to London Heathrow Airport refresh daily.

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

There are 19 operators available for flights from San Francisco Airport to London Heathrow Airport as of January 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The necessary travel and health documents for your London Heathrow 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.

$369 Cheap Flights from San Francisco to London Heathrow Airport in 2026

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4:40 pm - 4:00 pm

SFO

LHR

15h 20m

1 stop

6:40 am - 2:35 pm

LHR

SFO

15h 55m

1 stop

$595Scandinavian Airlines

Fri, Feb 20 - Tue, Mar 3

8:13 am - 10:00 am

SFO

LHR

17h 47m

2 stops

8:45 am - 6:37 pm

LHR

SFO

17h 52m

2 stops

$596Air Canada

Sun, Apr 26 - Tue, May 5

4:40 pm - 6:50 pm

SFO

LHR

18h 10m

2 stops

9:05 pm - 2:35 pm

LHR

SFO

25h 30m

2 stops

$597Scandinavian Airlines

Sun, Feb 15 - Wed, Feb 18

4:40 pm - 7:55 pm

SFO

LHR

19h 15m

2 stops

9:05 pm - 2:35 pm

LHR

SFO

25h 30m

2 stops

$598Scandinavian Airlines

Sat, Feb 7 - Sun, Feb 15

4:40 pm - 4:00 pm

SFO

LHR

15h 20m

1 stop

10:35 am - 3:35 pm

LHR

SFO

36h 00m

2 stops

$599Scandinavian Airlines

Sun, Feb 15 - Thu, Mar 12

7:25 pm - 5:50 pm

SFO

LHR

14h 25m

1 stop

7:00 am - 4:30 pm

LHR

SFO

17h 30m

2 stops

$600SWISS

Wed, Feb 4 - Wed, Feb 25

9:25 pm - 7:35 pm

SFO

LHR

14h 10m

1 stop

7:00 am - 4:30 pm

LHR

SFO

17h 30m

2 stops

$601Multiple Airlines

Wed, Feb 11 - Wed, Feb 18

1:50 pm - 7:25 am

SFO

LHR

10h 35mnonstop

9:00 am - 5:30 pm

LHR

SFO

15h 30m

1 stop

$602United Airlines

Fri, Mar 13 - Wed, Mar 18

4:40 pm - 4:00 pm

SFO

LHR

15h 20m

1 stop

1:55 pm - 3:35 pm

LHR

SFO

32h 40m

2 stops

$603Scandinavian Airlines

Mon, Feb 16 - Sun, Mar 8

12:06 pm - 10:55 am

SFO

LHR

14h 49m

1 stop

9:50 am - 3:50 pm

LHR

SFO

14h 00m

1 stop

$604British Airways

Mon, Apr 13 - Wed, Apr 22

British Airways flights from San Francisco to London Heathrow Airport

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

British Airways

Apr 13

SFO10:50 amSan Francisco

12h 50m

1 stop

LHR7:40 amLondon Heathrow

May 1

LHR6:20 amLondon Heathrow

17h 30m

1 stop

SFO3:50 pmSan Francisco

$604

British Airways

Apr 15

SFO4:35 pmSan Francisco

10h 25m

LHR11:00 amLondon Heathrow

Apr 30

LHR2:30 pmLondon Heathrow

11h 10m

SFO5:40 pmSan Francisco

$606

British Airways

Feb 12

SFO10:36 amSan Francisco

13h 39m

1 stop

LHR8:15 amLondon Heathrow

Feb 17

LHR9:50 amLondon Heathrow

13h 45m

1 stop

SFO3:35 pmSan Francisco

$614

Scandinavian Airlines flights from San Francisco to London Heathrow Airport

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

Scandinavian Airlines

Feb 20

SFO4:40 pmSan Francisco

15h 20m

1 stop

LHR4:00 pmLondon Heathrow

Mar 5

LHR7:30 pmLondon Heathrow

27h 05m

1 stop

SFO2:35 pmSan Francisco

$595

Scandinavian Airlines

Apr 26

SFO4:45 pmSan Francisco

17h 45m

1 stop

LHR6:30 pmLondon Heathrow

Apr 29

LHR10:35 amLondon Heathrow

36h 05m

2 stops

SFO2:40 pmSan Francisco

$596

Scandinavian Airlines

Feb 15

SFO4:40 pmSan Francisco

18h 10m

2 stops

LHR6:50 pmLondon Heathrow

Feb 18

LHR9:05 pmLondon Heathrow

25h 30m

2 stops

SFO2:35 pmSan Francisco

$597

momondo Fare Finder

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

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Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 2/20

4:40 pm-4:00 pm

1 stop15h 20m

London Heathrow

Tue 3/3

6:40 am-2:35 pm

1 stop15h 55m

$595

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 4/26

8:13 am-10:00 am

2 stops17h 47m

London Heathrow

Tue 5/5

8:45 am-6:37 pm

2 stops17h 52m

$596

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 2/15

4:40 pm-6:50 pm

2 stops18h 10m

London Heathrow

Wed 2/18

9:05 pm-2:35 pm

2 stops25h 30m

$597

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sat 2/7

4:40 pm-7:55 pm

2 stops19h 15m

London Heathrow

Sun 2/15

9:05 pm-2:35 pm

2 stops25h 30m

$598

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 2/15

4:40 pm-4:00 pm

1 stop15h 20m

London Heathrow

Thu 3/12

10:35 am-3:35 pm

2 stops36h 00m

$599

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 2/4

7:25 pm-5:50 pm

1 stop14h 25m

London Heathrow

Wed 2/25

7:00 am-4:30 pm

2 stops17h 30m

$600

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 2/11

9:25 pm-7:35 pm

1 stop14h 10m

London Heathrow

Wed 2/18

7:00 am-4:30 pm

2 stops17h 30m

$601

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 3/13

1:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Wed 3/18

9:00 am-5:30 pm

1 stop15h 30m

$602

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 2/16

4:40 pm-4:00 pm

1 stop15h 20m

London Heathrow

Sun 3/8

1:55 pm-3:35 pm

2 stops32h 40m

$603

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 4/13

12:06 pm-10:55 am

1 stop14h 49m

London Heathrow

Wed 4/22

9:50 am-3:50 pm

1 stop14h 00m

$604

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

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

Layovers

Other information

What is the cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from San Francisco, with most prices found around $661. If you’re not able to fly to London Heathrow Airport in February, then October is your next best option. Flight prices from San Francisco to London Heathrow Airport during October average around $666.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $803. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $946.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from San Francisco to London Heathrow Airport in the morning for as low as $852. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $971.

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

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

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $762 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Francisco for as low as $715 on momondo.

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

There are 4 cabin classes available to choose from on San Francisco to London Heathrow 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 San Francisco to London Heathrow Airport flights?

You could potentially save up to 15% on your flight if you consider stops on a San Francisco to London Heathrow Airport flight.

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

As of January 2026, prices for San Francisco to London Heathrow Airport flights are approximately 79% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to London Heathrow Airport

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

Estimated round-trip price

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

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

Best Price Found	$375
Fastest flight time	10h 10m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from San Francisco in the past 72 hours is $375. The best round-trip flight deal from San Francisco to London Heathrow Airport found on momondo in the last 72 hours is $689.

The fastest flight from San Francisco to London Heathrow Airport takes 10h 10m

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

Search flight deals

How far is San Francisco to London Heathrow by plane?
London Heathrow is 5341.3 mi away from San Francisco. Typically, this will take 10h 10m by plane in normal conditions.
When did momondo last update prices for flights from San Francisco Airport to London Heathrow Airport?
Prices for flights from San Francisco Airport to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from San Francisco Airport to London Heathrow Airport?
There are 19 operators available for flights from San Francisco Airport to London Heathrow Airport as of January 2026.
How old do you have to be to fly from San Francisco Airport to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow 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 San Francisco to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco to London Heathrow Airport is Boeing 777 (40.09% of total bookings). The next most popular plane models are Airbus A380-800 (20.44%), Boeing 787-9 Dreamliner (14.59%), and Airbus A380 (7.63%).
What is the most popular airline from San Francisco to London Heathrow Airport?
Based on momondo bookings for flights between San Francisco and London Heathrow Airport, the leading airline is United Airlines, making up 36% of the total bookings. Other popular airlines include British Airways with 22%, Virgin Atlantic with 13%, and Iberia with 9%.

Best airlines flying from San Francisco to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $151	Free Cancellation	Rating 7.2 2,895 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $334	Free Cancellation	Rating 7.3 1,662 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $339	Free Cancellation	Rating 7.1 2,127 reviews	Search TAP AIR PORTUGAL flights
Alaska Airlines	PriceFrom $494	Free Cancellation	Rating 8.0 11,787 reviews	Search Alaska Airlines flights
SWISS	PriceFrom $513	Free Cancellation	Rating 7.5 1,859 reviews	Search SWISS flights
Delta	PriceFrom $521	Free Cancellation	Rating 7.9 8,112 reviews	Search Delta flights
British Airways	PriceFrom $521	Free Cancellation	Rating 6.7 7,694 reviews	Search British Airways flights
Finnair	PriceFrom $561	Free Cancellation	Rating 7.6 1,356 reviews	Search Finnair flights
Virgin Atlantic	PriceFrom $567	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $568	Free Cancellation	Rating 7.4 9,193 reviews	Search United Airlines flights

Alaska Airlines Flights From San Francisco to London Heathrow Airport
Alaska Airlines flight deals from San Francisco to London Heathrow Airport start from $494 round-trip. Over the 12 Alaska Airlines flights for this route in a normal week, average airfare is usually $655 round-trip - but some users have found much cheaper deals with momondo.
Delta Flights From San Francisco to London Heathrow Airport
Delta (7.9/10 from 8,112 reviews) operates around 7 flights from San Francisco to London Heathrow Airport in any given week. The average Delta airfare for this route is around $837, with deals from around $521 rare but found on momondo. Referenced prices are for round-trip San Francisco to London Heathrow Airport flight searches in the last 72 hours.

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Why use momondo?

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

It is quick and easy to find San Francisco to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Flights from San Francisco to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between San Francisco and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for San Francisco to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from San Francisco to London from $369

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to London departing on 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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

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

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $803. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $946.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

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

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

How far in advance should I book a flight to London Heathrow Airport?

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

There are 4 cabin classes available to choose from on San Francisco to London Heathrow 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 San Francisco to London Heathrow Airport flights?

You could potentially save up to 15% on your flight if you consider stops on a San Francisco to London Heathrow Airport flight.

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

As of January 2026, prices for San Francisco to London Heathrow Airport flights are approximately 79% more expensive when compared to flights at the same time last year.

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

JetBlue is the most popular carrier operating from San Francisco to London Heathrow

What airlines fly to London Heathrow Airport?

How often are flights from San Francisco to London delayed?

Historically, on average around 11% of flights between San Francisco and London have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between San Francisco and London Heathrow Airport?

Lisbon (LIS) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San Francisco to London Heathrow Airport?

Flights via Lisbon (LIS) offer the lowest average round-trip price of $520.

Which layover airport has the shortest travel time from San Francisco to London Heathrow Airport?

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 13h 16m.

Which layover airport has the shortest connection time from San Francisco to London Heathrow Airport?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 28m.

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

The number of flights available between San Francisco and London Heathrow Airport is 29 per day as of January 2026. The most frequent departure time is 5:00PM, with 85% of daily flights leaving in the afternoon.

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

As of January 2026, 205 flights take off from San Francisco and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

When to book flights from San Francisco to London Heathrow Airport

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

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

Best Price Found

Fastest flight time

Direct flights

How far is San Francisco to London Heathrow by plane?

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

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

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

What documentation or ID do you need to fly to London Heathrow Airport?

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

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

Best airlines flying from San Francisco to London Heathrow Airport

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

Alaska Airlines Flights From San Francisco to London Heathrow Airport

Delta Flights From San Francisco to London Heathrow Airport

Traveling to a place near London?

Why use momondo?

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

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