What is the most punctual flight time for the United States to London 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?

2,395 flights are operational weekly from United States to London Heathrow Airport as of December 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

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

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

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

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

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 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 51% 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 often are flights from the United States to London delayed?

Historically, on average around 17% of flights between United States and London have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

Which airline has the best punctuality record on the United States 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 13% of their flights experiencing any sort of delay.

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

As of December 2025, there are 342 flights per day flying from United States to London Heathrow Airport. The most common time of day flights depart is 8:00PM, with 70% of flights taking off in the evening.

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

As of December 2025, there are 23 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.

$185 Cheap Flights from United States to London Heathrow Airport in 2025/26

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1:00 pm - 8:35 pm

EWR

LHR

26h 35m1 stop

9:00 am - 9:30 pm

LHR

EWR

16h 30m1 stop

$492Multiple Airlines

mié., ene. 7 - mar., mar. 24

7:35 pm - 10:50 am

EWR

LHR

10h 15m1 stop

12:15 pm - 6:25 pm

LHR

EWR

11h 10m1 stop

$493Icelandair

dom., ene. 11 - vie., ene. 16

6:25 pm - 6:20 am

JFK

LHR

6h 55mnonstop

11:25 am - 7:15 pm

LHR

JFK

12h 50m1 stop

$502American Airlines

mar., ene. 13 - sáb., ene. 17

6:40 pm - 8:35 pm

BOS

LHR

20h 55m1 stop

9:00 am - 8:20 pm

LHR

BOS

16h 20m1 stop

$504United Airlines

sáb., feb. 14 - mar., feb. 17

6:00 am - 10:50 am

LGA

LHR

23h 50m1 stop

1:25 pm - 11:57 am

LHR

LGA

27h 32m1 stop

$504United Airlines

mié., dic. 31 - vie., ene. 9

2:30 pm - 7:00 am

JFK

LHR

11h 30m1 stop

11:25 am - 7:15 pm

LHR

JFK

12h 50m1 stop

$506American Airlines

jue., ene. 8 - sáb., feb. 7

10:00 pm - 10:15 am

JFK

LHR

7h 15mnonstop

10:00 am - 3:45 pm

LHR

JFK

10h 45m1 stop

$508Delta

mié., dic. 31 - vie., ene. 23

7:15 pm - 7:00 am

BOS

LHR

6h 45mnonstop

11:40 am - 2:20 pm

LHR

BOS

7h 40mnonstop

$510British Airways

jue., ene. 8 - jue., ene. 15

10:50 pm - 9:40 am

JFK

LHR

6h 50mnonstop

9:45 am - 12:29 pm

LHR

JFK

7h 44mnonstop

$510British Airways

vie., mar. 20 - lun., mar. 30

7:10 pm - 6:50 am

BOS

LHR

6h 40mnonstop

9:40 am - 12:30 pm

LHR

BOS

7h 50mnonstop

$513Delta

mar., dic. 30 - dom., ene. 11

United Airlines flights from United States to London Heathrow Airport

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

United Airlines

Jan 23

EWR8:00 pmNewark

7h 25m

LHR8:25 amLondon Heathrow

Jan 30

LHR12:05 pmLondon Heathrow

13h 25m

1 stop

EWR8:30 pmNewark

$504

Find similar

United Airlines

Jan 13

EWR11:31 amNewark

28h 04m

1 stop

LHR8:35 pmLondon Heathrow

Jan 17

LHR12:05 pmLondon Heathrow

13h 25m

1 stop

EWR8:30 pmNewark

$505

Find similar

United Airlines

Jan 15

EWR9:10 amNewark

7h 10m

LHR9:20 pmLondon Heathrow

Jan 19

LHR9:05 amLondon Heathrow

33h 50m

1 stop

EWR1:55 pmNewark

$507

Find similar

JetBlue flights from United States to London Heathrow Airport

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

JetBlue

Jan 15

JFK9:35 amNew York John F Kennedy Intl

7h 05m

LHR9:40 pmLondon Heathrow

Jan 26

LHR12:20 pmLondon Heathrow

8h 32m

JFK3:52 pmNew York John F Kennedy Intl

$503

Find similar

JetBlue

Mar 5

JFK9:35 amNew York John F Kennedy Intl

7h 05m

LHR9:40 pmLondon Heathrow

Mar 20

LHR12:20 pmLondon Heathrow

8h 32m

JFK4:52 pmNew York John F Kennedy Intl

$504

Find similar

JetBlue

Dec 12

JFK9:09 pmNew York John F Kennedy Intl

7h 21m

LHR9:30 amLondon Heathrow

Jan 9

LHR8:05 amLondon Heathrow

8h 24m

JFK11:29 amNew York John F Kennedy Intl

$518

Find similar

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.

Fly from

Fly to

Route

Depart

Return

Price

NewarkLondon

EWR - LHR

EWRLHR

Newark

mié. 1/7

1:00 pm-8:35 pm

1 stop26h 35m

London Heathrow

mar. 3/24

9:00 am-9:30 pm

1 stop16h 30m

$492

NewarkLondon

EWR - LHR

EWRLHR

Newark

dom. 1/11

7:35 pm-10:50 am

1 stop10h 15m

London Heathrow

vie. 1/16

12:15 pm-6:25 pm

1 stop11h 10m

$493

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 1/13

6:25 pm-6:20 am

Nonstop6h 55m

London Heathrow

sáb. 1/17

11:25 am-7:15 pm

1 stop12h 50m

$502

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

sáb. 2/14

6:40 pm-8:35 pm

1 stop20h 55m

London Heathrow

mar. 2/17

9:00 am-8:20 pm

1 stop16h 20m

$504

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

mié. 12/31

6:00 am-10:50 am

1 stop23h 50m

London Heathrow

vie. 1/9

1:25 pm-11:57 am

1 stop27h 32m

$504

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

jue. 1/8

2:30 pm-7:00 am

1 stop11h 30m

London Heathrow

sáb. 2/7

11:25 am-7:15 pm

1 stop12h 50m

$506

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mié. 12/31

10:00 pm-10:15 am

Nonstop7h 15m

London Heathrow

vie. 1/23

10:00 am-3:45 pm

1 stop10h 45m

$508

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

jue. 1/8

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

jue. 1/15

11:40 am-2:20 pm

Nonstop7h 40m

$510

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 3/20

10:50 pm-9:40 am

Nonstop6h 50m

London Heathrow

lun. 3/30

9:45 am-12:29 pm

Nonstop7h 44m

$510

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mar. 12/30

7:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

dom. 1/11

9:40 am-12:30 pm

Nonstop7h 50m

$513

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Showing 1-10 of 20 resultsSorted by cheapest first

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 $537. 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 $542.

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 $645. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $688.

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 $686.

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

Fly from Newark 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 $608 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 $573 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?

You could potentially save up to 36% on your flight if you consider stops on a United States to London Heathrow Airport flight.

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 $530.

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 December 2025, there are 23 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 21.62% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 14.56%, Boeing 777-300ER at 12.09%, and Boeing 777-200/200ER at 9.53%.

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 2,899 reviews	Search JetBlue flights
Norse Atlantic UK	PriceFrom $221	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
TAP AIR PORTUGAL	PriceFrom $293	Free Cancellation	Rating 7.1 2,089 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $300	Free Cancellation	Rating 7.5 1,810 reviews	Search SWISS flights
Virgin Atlantic	PriceFrom $331	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom $357	Free Cancellation	Rating 7.4 1,605 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $370	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
KLM	PriceFrom $394	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
Delta	PriceFrom $397	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Air France	PriceFrom $404	Free Cancellation	Rating 7.4 1,504 reviews	Search Air France flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Stratford-upon-Avon

Crawley

Brentwood

Salisbury

Wembley

Romford

Watford

Ilford

Cobham

Folkestone

Uxbridge

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 $183

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 1/13. 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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United Airlines flights from United States to London Heathrow Airport

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

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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.

See travel insights to London from

How to get the cheapest flight ticket from United States 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 $645. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $688.

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 Newark 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?

You could potentially save up to 36% on your flight if you consider stops on a United States to London Heathrow Airport flight.

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

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

What airlines fly to London Heathrow Airport?

How often are flights from the United States to London delayed?

Historically, on average around 17% of flights between United States and London 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 the United States to London 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.

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

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

Which airline has the best punctuality record on the United States 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 13% of their flights experiencing any sort of delay.

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

As of December 2025, there are 342 flights per day flying from United States to London Heathrow Airport. The most common time of day flights depart is 8:00PM, with 70% of flights taking off in the evening.

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

2,395 flights are operational weekly from United States to London Heathrow Airport as of December 2025. The most popular departure day for this route is Wed, with 15% 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