Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

According to our data, Qantas Airways have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

What airlines fly to London Heathrow Airport?

British Airways, United Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from United States according to our data. British Airways is the first choice among our users, with 52% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 24 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

How many flights depart from United States to London Heathrow Airport on average per day?

As of November 2025, there are 298 flights per day flying from United States to London Heathrow Airport. The most common time of day flights depart is 7:00PM, with 73% of flights taking off in the evening.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

Historically, on average around 17% of flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

What is the cheapest airline that flies from United States to London Heathrow?

United Airlines, Delta, and JetBlue are the most popular carriers operating from United States to London Heathrow

How long does it take to fly to London Heathrow Airport?

On average, it takes 6h 30m to fly from United States to London Heathrow Airport if you fly out of Boston (the most popular airport in United States) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of New York and into London Heathrow Airport, then the flight time is around 6h 50m.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

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

How many flights depart from United States to London Heathrow Airport on average per week?

2,088 flights are operational weekly from United States to London Heathrow Airport as of November 2025. The most popular departure day for this route is Sat, with 17% of flights per week taking off on this day.

How many operators does momondo search for flights from United States to London Heathrow Airport?

As of November 2025, there are 24 operators available to choose from for flights from United States to London Heathrow Airport.

How old do you have to be to fly from United States to London Heathrow 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 layovers. It is recommended that you verify with the airline you are booking with for travel from United States 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.

$155 Cheap Flights from United States to London Heathrow Airport in 2025/26

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6:00 am - 10:50 amLGA-LHR

23h 50m1 stop

1:25 pm - 12:23 pmLHR-LGA

27h 58m1 stop

$499United Airlines

Find Deal

Mon, Dec 8 - Thu, Dec 25

7:10 pm - 7:10 amJFK-LHR

7h 00mnonstop

11:25 am - 7:15 pmLHR-JFK

12h 50m1 stop

$499American Airlines

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Wed, Jan 14 - Sun, Jan 18

9:35 am - 9:40 pmJFK-LHR

7h 05mnonstop

12:20 pm - 3:52 pmLHR-JFK

8h 32mnonstop

$500JetBlue

Find Deal

Thu, Jan 15 - Thu, Jan 29

8:45 am - 8:45 pmJFK-LHR

7h 00mnonstop

8:05 am - 11:29 amLHR-JFK

8h 24mnonstop

$501JetBlue

Find Deal

Fri, Feb 13 - Sat, Feb 21

6:00 pm - 6:20 amJFK-LHR

7h 20mnonstop

6:30 am - 3:45 pmLHR-JFK

14h 15m1 stop

$505Delta

Find Deal

Fri, Dec 5 - Mon, Dec 8

6:30 pm - 6:25 amEWR-LHR

6h 55mnonstop

4:30 pm - 7:35 pmLHR-EWR

8h 05mnonstop

$506British Airways

Find Deal

Thu, Jan 15 - Mon, Jan 26

8:00 pm - 8:05 amJFK-LHR

7h 05mnonstop

6:30 am - 3:45 pmLHR-JFK

14h 15m1 stop

$506Delta

Find Deal

Wed, Dec 3 - Wed, Dec 10

6:30 pm - 6:25 amEWR-LHR

6h 55mnonstop

10:40 am - 1:50 pmLHR-EWR

8h 10mnonstop

$507British Airways

Find Deal

Thu, Jan 15 - Mon, Jan 19

7:25 pm - 11:55 amORD-LHR

10h 30m1 stop

1:05 pm - 6:15 pmLHR-ORD

11h 10m1 stop

$563Icelandair

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Wed, Apr 22 - Tue, May 5

6:30 pm - 7:30 pmORD-LHR

19h 00m1 stop

8:35 pm - 5:20 pmLHR-ORD

26h 45m1 stop

$566Icelandair

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Wed, Dec 10 - Wed, Dec 17

Air Canada flights from United States to London Heathrow Airport

Our best Air Canada deals on United States to London Heathrow Airport flight tickets

Air Canada

Dec 6

LGA10:35 amNew York LaGuardia

14h 55m

2 stops

LHR6:30 amLondon Heathrow

Dec 9

LHR9:00 amLondon Heathrow

15h 02m

2 stops

LGA7:02 pmNew York LaGuardia

$500

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Air Canada

Dec 5

LGA6:05 amNew York LaGuardia

20h 05m

1 stop

LHR7:10 amLondon Heathrow

Dec 11

LHR6:50 amLondon Heathrow

12h 52m

2 stops

LGA2:42 pmNew York LaGuardia

$501

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Air Canada

Dec 5

LGA10:35 amNew York LaGuardia

29h 00m

2 stops

LHR8:35 pmLondon Heathrow

Dec 11

LHR6:50 amLondon Heathrow

12h 52m

2 stops

LGA2:42 pmNew York LaGuardia

$502

Find similar

Virgin Atlantic flights from United States to London Heathrow Airport

Our best Virgin Atlantic deals on United States to London Heathrow Airport flight tickets

Virgin Atlantic

Dec 1

JFK2:50 pmNew York John F Kennedy Intl

11h 00m

1 stop

LHR6:50 amLondon Heathrow

Dec 6

LHR8:00 pmLondon Heathrow

7h 55m

JFK10:55 pmNew York John F Kennedy Intl

$516

Find similar

Virgin Atlantic

Nov 29

LGA3:00 pmNew York LaGuardia

10h 50m

1 stop

LHR6:50 amLondon Heathrow

Dec 7

LHR8:55 amLondon Heathrow

15h 41m

2 stops

LGA7:36 pmNew York LaGuardia

$519

Find similar

Virgin Atlantic

Dec 3

LGA9:00 pmNew York LaGuardia

9h 25m

1 stop

LHR11:25 amLondon Heathrow

Jan 15

LHR6:30 amLondon Heathrow

15h 00m

2 stops

LGA4:30 pmNew York LaGuardia

$520

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momondo Fare Finder

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

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Depart

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Price

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 12/8

6:00 am-10:50 am

1 stop23h 50m

London Heathrow

Thu 12/25

1:25 pm-12:23 pm

1 stop27h 58m

$499

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 1/14

7:10 pm-7:10 am

Nonstop7h 00m

London Heathrow

Sun 1/18

11:25 am-7:15 pm

1 stop12h 50m

$499

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/15

9:35 am-9:40 pm

Nonstop7h 05m

London Heathrow

Thu 1/29

12:20 pm-3:52 pm

Nonstop8h 32m

$500

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 2/13

8:45 am-8:45 pm

Nonstop7h 00m

London Heathrow

Sat 2/21

8:05 am-11:29 am

Nonstop8h 24m

$501

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 12/5

6:00 pm-6:20 am

Nonstop7h 20m

London Heathrow

Mon 12/8

6:30 am-3:45 pm

1 stop14h 15m

$505

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 1/15

6:30 pm-6:25 am

Nonstop6h 55m

London Heathrow

Mon 1/26

4:30 pm-7:35 pm

Nonstop8h 05m

$506

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 12/3

8:00 pm-8:05 am

Nonstop7h 05m

London Heathrow

Wed 12/10

6:30 am-3:45 pm

1 stop14h 15m

$506

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 1/15

6:30 pm-6:25 am

Nonstop6h 55m

London Heathrow

Mon 1/19

10:40 am-1:50 pm

Nonstop8h 10m

$507

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 4/22

7:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Tue 5/5

1:05 pm-6:15 pm

1 stop11h 10m

$563

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 12/10

6:30 pm-7:30 pm

1 stop19h 00m

London Heathrow

Wed 12/17

8:35 pm-5:20 pm

1 stop26h 45m

$566

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How to get the cheapest flight ticket from United States 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

Other information

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

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from United States, with most prices found around $536. If you’re not able to fly to London Heathrow Airport in October, then September is your next best option. Flight prices from United States to London Heathrow Airport during September average around $543.

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 $643. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $683.

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 at noon. momondo users have found flights departing from United States to London Heathrow Airport at noon for as low as $586. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $693.

What is the cheapest United States to London Heathrow flight route?

Fly from New York John F Kennedy Intl to London Heathrow for the best United States - 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 United States when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $609 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 United States for as low as $570 on momondo.

What cabin class options are available on United States to London Heathrow flights?

There are 4 cabin classes available to choose from on United States 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 United States to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between United States to London Heathrow Airport.

Cheap United States to London Heathrow Airport flight deals and tips

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

Best Price Found	$264
Fastest flight time	6h 30m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from United States in the past 72 hours is $264. The best round-trip flight deal from United States to London Heathrow Airport found on momondo in the last 72 hours is $519.

The fastest flight from United States to London Heathrow Airport takes 6h 30m

Direct flights go from United States to London Heathrow Airport every day.

Search flight deals

When did momondo last update prices for flights from United States to London Heathrow Airport?
Prices for flights from United States to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from United States to London Heathrow Airport?
As of November 2025, there are 24 operators available to choose from for flights from United States to London Heathrow Airport.
How old do you have to be to fly from United States to London Heathrow 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 layovers. It is recommended that you verify with the airline you are booking with for travel from United States 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 United States to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from United States to London Heathrow Airport is Boeing 777, representing 23.64% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 13.84%, Boeing 777-300ER at 12.83%, and Boeing 777-200/200ER at 9.21%.

Best airlines flying from United States to London Heathrow Airport

Compare and see reviews for airlines that fly from United States to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,901 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $213	Free Cancellation	Rating 7.4 1,584 reviews	Search Scandinavian Airlines flights
WestJet	PriceFrom $272	Free Cancellation	Rating 7.2 3,171 reviews	Search WestJet flights
SWISS	PriceFrom $290	Free Cancellation	Rating 7.5 1,790 reviews	Search SWISS flights
TAP AIR PORTUGAL	PriceFrom $293	Free Cancellation	Rating 7.1 2,070 reviews	Search TAP AIR PORTUGAL flights
Virgin Atlantic	PriceFrom $324	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Norse Atlantic UK	PriceFrom $363	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
Air Canada	PriceFrom $382	Free Cancellation	Rating 7.1 10,468 reviews	Search Air Canada flights
KLM	PriceFrom $387	Free Cancellation	Rating 7.7 1,418 reviews	Search KLM flights
Air France	PriceFrom $391	Free Cancellation	Rating 7.4 1,494 reviews	Search Air France flights

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Dartford

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Romford

Ilford

Cobham

Swindon

Why use momondo?

Why should I use momondo to find a flight deal from United States to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to London. momondo saves you time and could save you money on your trip.

Can I find flights from United States to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United States to London flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to London?

momondo helps you find the best flight between United States 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 United States to London right now. Can momondo alert me if prices change?

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

An easier way to manage your London Heathrow Airport trip

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Cheap flights from the United States to London from $155

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to London departing on 12/1. 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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Air Canada flights from United States to London Heathrow Airport

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

See travel insights to London from

How to get the cheapest flight ticket from United States 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

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 $643. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $683.

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

What is the cheapest United States to London Heathrow flight route?

Fly from New York John F Kennedy Intl to London Heathrow for the best United States - London Heathrow flight prices

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

What cabin class options are available on United States to London Heathrow flights?

There are 4 cabin classes available to choose from on United States 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 United States to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between United States to London Heathrow Airport.

What is the cheapest airline that flies from United States to London Heathrow?

United Airlines, Delta, and JetBlue are the most popular carriers operating from United States to London Heathrow

What airlines fly to London Heathrow Airport?

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

Historically, on average around 17% of flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

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

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

According to our data, Qantas Airways have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

How many flights depart from United States to London Heathrow Airport on average per day?

As of November 2025, there are 298 flights per day flying from United States to London Heathrow Airport. The most common time of day flights depart is 7:00PM, with 73% of flights taking off in the evening.

How many flights depart from United States to London Heathrow Airport on average per week?

2,088 flights are operational weekly from United States to London Heathrow Airport as of November 2025. The most popular departure day for this route is Sat, with 17% of flights per week taking off on this day.

How long does it take to fly to London Heathrow Airport?

Cheap United States to London Heathrow Airport flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

When did momondo last update prices for flights from United States to London Heathrow Airport?

How many operators does momondo search for flights from United States to London Heathrow Airport?

How old do you have to be to fly from United States 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 United States to London Heathrow Airport?

Best airlines flying from United States to London Heathrow Airport

Compare and see reviews for airlines that fly from United States to London Heathrow Airport with momondo

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from United States to London?

Can I find flights from United States to London with flexible booking policies on momondo?

How can momondo help me find flights from United States to London?

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

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize 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 London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo