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

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

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

The number of flights available between United States and London Heathrow Airport is 404 per day as of August 2025. The most frequent departure time is 21:00, with 68% of daily flights leaving in the evening.

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

2,828 flights are operational weekly from United States to London Heathrow Airport as of August 2025. The most popular departure day for this route is Fri, with 15% of flights per week taking off on this day.

Which airlines fly to London Heathrow Airport?

Virgin Atlantic, British Airways and Iberia are the top three most popular airlines that fly to London Heathrow Airport from United States according to our data. Virgin Atlantic is the first choice among our users, with 48% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 15 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

If you’re flying from a popular airport in United States, such as Boston or New York, and flying into London Heathrow Airport, then you can expect flight times to average 6h 30m and 6h 50m, respectively.

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

There are 16 operators available for flights from United States to London Heathrow Airport as of August 2025.

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 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 United States to London Heathrow Airport.

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

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£114 Cheap Flights from United States to London Heathrow Airport in 2025

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Recent return flight deals from the United States to London

20:30 - 13:00JFK-LHR

11h 30m1 stop

06:00 - 12:50LHR-JFK

11h 50m1 stop

£201SWISS

Find Deal

Wed, 1 Oct - Wed, 15 Oct

19:25 - 16:35JFK-LHR

16h 10m1 stop

07:00 - 14:20LHR-JFK

12h 20m1 stop

£222SWISS

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Fri, 3 Oct - Mon, 13 Oct

06:30 - 05:50BOS-LHR

18h 20m1 stop

14:40 - 17:10LHR-BOS

7h 30mdirect

£275British Airways

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Wed, 1 Oct - Thu, 2 Oct

06:30 - 05:50BOS-LHR

18h 20m1 stop

17:35 - 20:10LHR-BOS

7h 35mdirect

£276British Airways

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Wed, 1 Oct - Thu, 2 Oct

20:10 - 07:50BOS-LHR

6h 40mdirect

20:50 - 21:15LHR-BOS

29h 25m1 stop

£278Iberia

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Tue, 26 Aug - Wed, 27 Aug

20:05 - 07:50BOS-LHR

6h 45mdirect

20:50 - 21:15LHR-BOS

29h 25m1 stop

£279Iberia

Find Deal

Wed, 3 Sep - Thu, 4 Sep

18:30 - 09:35BOS-LHR

10h 05m1 stop

06:50 - 16:22LHR-BOS

14h 32m2 stops

£304United Airlines

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Mon, 29 Sep - Wed, 1 Oct

06:00 - 20:40BOS-LHR

9h 40m1 stop

13:45 - 23:22LHR-BOS

14h 37m2 stops

£305United Airlines

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Wed, 3 Sep - Thu, 4 Sep

16:39 - 06:45BWI-LHR

33h 06m1 stop

06:15 - 23:37LHR-BWI

22h 22m2 stops

£356Virgin Atlantic

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Sun, 21 Sep - Tue, 30 Sep

18:19 - 13:30BWI-LHR

14h 11m1 stop

09:20 - 18:17LHR-BWI

13h 57m1 stop

£362Virgin Atlantic

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Sun, 21 Sep - Tue, 30 Sep

British Airways flights from United States to London Heathrow Airport

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

British Airways

1 Oct

BOS06:30Boston Logan Intl

18h 20m

1 stop

LHR05:50London Heathrow

2 Oct

LHR14:40London Heathrow

7h 30m

BOS17:10Boston Logan Intl

£275

Find similar

British Airways

1 Oct

BOS06:30Boston Logan Intl

18h 20m

1 stop

LHR05:50London Heathrow

2 Oct

LHR17:35London Heathrow

7h 35m

BOS20:10Boston Logan Intl

£276

Find similar

British Airways

18 Nov

JFK19:10New York John F Kennedy Intl

7h 00m

LHR07:10London Heathrow

20 Nov

LHR06:15London Heathrow

12h 00m

1 stop

JFK13:15New York John F Kennedy Intl

£277

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TAP AIR PORTUGAL flights from United States to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on United States to London Heathrow Airport flight tickets

TAP AIR PORTUGAL

10 Nov

EWR17:40Newark

22h 55m

1 stop

LHR21:35London Heathrow

20 Nov

LHR06:00London Heathrow

14h 30m

1 stop

EWR15:30Newark

£293

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TAP AIR PORTUGAL

21 Sept

JFK22:05New York John F Kennedy Intl

19h 50m

1 stop

LHR22:55London Heathrow

21 Oct

LHR06:00London Heathrow

19h 05m

1 stop

JFK20:05New York John F Kennedy Intl

£294

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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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Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 1/10

20:30-13:00

1 stop11h 30m

London Heathrow

Wed 15/10

06:00-12:50

1 stop11h 50m

£201

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 3/10

19:25-16:35

1 stop16h 10m

London Heathrow

Mon 13/10

07:00-14:20

1 stop12h 20m

£222

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 1/10

06:30-05:50

1 stop18h 20m

London Heathrow

Thu 2/10

14:40-17:10

Nonstop7h 30m

£275

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 1/10

06:30-05:50

1 stop18h 20m

London Heathrow

Thu 2/10

17:35-20:10

Nonstop7h 35m

£276

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 26/8

20:10-07:50

Nonstop6h 40m

London Heathrow

Wed 27/8

20:50-21:15

1 stop29h 25m

£278

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 3/9

20:05-07:50

Nonstop6h 45m

London Heathrow

Thu 4/9

20:50-21:15

1 stop29h 25m

£279

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 29/9

18:30-09:35

1 stop10h 05m

London Heathrow

Wed 1/10

06:50-16:22

2 stops14h 32m

£304

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 3/9

06:00-20:40

1 stop9h 40m

London Heathrow

Thu 4/9

13:45-23:22

2 stops14h 37m

£305

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 21/9

16:39-06:45

1 stop33h 06m

London Heathrow

Tue 30/9

06:15-23:37

2 stops22h 22m

£356

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 21/9

18:19-13:30

1 stop14h 11m

London Heathrow

Tue 30/9

09:20-18:17

1 stop13h 57m

£362

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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

Other information

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

In general, October is the cheapest month to fly from United States to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £415. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from United States averaging around £425.

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

On average, the least expensive day to fly to London Heathrow Airport from United States is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £439. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £492.

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 midday. momondo users have found flights departing from United States to London Heathrow Airport at midday for as low as £421. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £482 on average. Flights to London Heathrow Airport from United States in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £465 when searching weeks before you fly. 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 £416 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 9% 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	£114
Fastest flight time	6h 25m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from United States in the past 72 hours is £114. The best return flight deal from United States to London Heathrow Airport found on momondo in the last 72 hours is £201.

The fastest flight from United States to London Heathrow Airport takes 6h 25m

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?
There are 16 operators available for flights from United States to London Heathrow Airport as of August 2025.
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 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 United States to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from United States to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United States to London Heathrow Airport is Boeing 777 (20.84% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (14.68%), Boeing 777-200/200ER (13.35%), and Boeing 777-300ER (12.46%).

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
Air France	PriceFrom £233	Free Cancellation	Rating 7.5 1,465 reviews	Search Air France flights
Virgin Atlantic	PriceFrom £280	Free Cancellation	Rating 7.4 655 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £292	Free Cancellation	Rating 7.8 1,383 reviews	Search KLM flights
Delta	PriceFrom £299	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
JetBlue	PriceFrom £300	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom £308	Free Cancellation	Rating 7.3 1,457 reviews	Search Scandinavian Airlines flights
Air Canada	PriceFrom £308	Free Cancellation	Rating 7.1 9,851 reviews	Search Air Canada flights
British Airways	PriceFrom £312	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
Lufthansa	PriceFrom £341	Free Cancellation	Rating 6.8 7,275 reviews	Search Lufthansa flights
United Airlines	PriceFrom £351	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights

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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?

momondo does allow users to show only those flights to London from United States which offer a flexible booking policy as well as other useful filters and features.

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

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 London from United States.

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

If you are not ready to book a flight from United States to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Heathrow Airport trip

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Cheap flights from the United States to London from £114

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 24/10. 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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Big names, great deals

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Find the cheapest flights from the United States to London

Recent return flight deals from the United States to London

Recent one-way flight deals from the United States to London

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British Airways flights from United States to London Heathrow Airport

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

TAP AIR PORTUGAL flights from United States to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on United States to London Heathrow Airport flight tickets

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

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?

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?

You could potentially save up to 9% 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, JetBlue, and Lufthansa are the most popular carriers operating from United States to London Heathrow

Which airlines fly to London Heathrow Airport?

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

The number of flights available between United States and London Heathrow Airport is 404 per day as of August 2025. The most frequent departure time is 21:00, with 68% of daily flights leaving in the evening.

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

2,828 flights are operational weekly from United States to London Heathrow Airport as of August 2025. The most popular departure day for this route is Fri, with 15% of flights per week taking off on this day.

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

If you’re flying from a popular airport in United States, such as Boston or New York, and flying into London Heathrow Airport, then you can expect flight times to average 6h 30m and 6h 50m, respectively.

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

Travelling 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, 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 London

Popular Cities in the United Kingdom

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