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

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

Historically, on average around 12% of flights between London and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 158 minutes.

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

As of February 2026, there are 2,048 flights per week flying from London Heathrow Airport to United States. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

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. Sunday has historically seen more delays on average compared to the rest of the week.

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

As of February 2026, there are 292 flights per day flying from London Heathrow Airport to United States. The most common time of day flights depart is 4:00PM, with 52% of flights taking off in the afternoon.

What airlines fly to United States?

British Airways, Virgin Atlantic and Delta are the top three most popular airlines that fly to United States from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 50% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 19 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

Which airline has the best punctuality record on London to the United States flights?

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

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

Icelandair, LEVEL, and United Airlines are the most popular carriers operating from London Heathrow to United States

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

As of February 2026, there are 20 operators available to choose from for flights from London Heathrow Airport to United States.

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

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 United States.

What documentation or ID do you need to fly to United States?

The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$327 Cheap Flights from London Heathrow Airport to United States in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 8:29 pm

LHR

MCO

13h 29m

1 stop

2:40 pm - 6:20 am

MCO

LHR

11h 40m

1 stop

$418United Airlines

Tue, Mar 3 - Tue, Mar 17

12:15 pm - 9:35 pm

LHR

MCO

13h 20m

1 stop

6:50 pm - 10:50 am

MCO

LHR

12h 00m

1 stop

$421Icelandair

Sun, Mar 8 - Sun, Mar 22

12:15 pm - 9:35 pm

LHR

MCO

13h 20m

1 stop

9:55 pm - 7:30 pm

MCO

LHR

17h 35m

1 stop

$425Icelandair

Sat, Mar 14 - Thu, Mar 26

8:35 pm - 8:35 pm

LHR

MCO

29h 00m

1 stop

6:50 pm - 10:50 am

MCO

LHR

12h 00m

1 stop

$428Icelandair

Wed, Mar 4 - Thu, Mar 19

8:35 pm - 8:35 pm

LHR

MCO

29h 00m

1 stop

6:50 pm - 7:30 pm

MCO

LHR

20h 40m

1 stop

$429Icelandair

Tue, Mar 3 - Tue, Mar 10

8:25 pm - 11:45 am

LHR

LAX

23h 20m

1 stop

4:35 pm - 10:55 am

LAX

LHR

10h 20mnonstop

$470Virgin Atlantic

Thu, Feb 26 - Wed, Mar 4

5:05 pm - 7:45 pm

LHR

BOS

7h 40mnonstop

7:30 am - 7:00 pm

BOS

LHR

6h 30mnonstop

$475British Airways

Fri, Feb 20 - Tue, Feb 24

2:10 pm - 11:52 pm

LHR

BOS

14h 42m

1 stop

12:00 pm - 6:25 am

BOS

LHR

13h 25m

1 stop

$477American Airlines

Tue, May 19 - Tue, May 26

1:00 pm - 8:20 pm

LHR

LGA

12h 20m

1 stop

2:59 pm - 7:50 am

LGA

LHR

11h 51m

1 stop

$489Virgin Atlantic

Fri, Feb 13 - Fri, Feb 20

6:30 am - 3:15 pm

LHR

LAS

15h 45m

1 stop

7:15 am - 6:25 am

LAS

LHR

16h 10m

1 stop

$596Delta

Tue, Mar 17 - Tue, Mar 24

SWISS flights from London Heathrow Airport to United States

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

SWISS

Feb 10

LHR6:00 amLondon Heathrow

12h 05m

1 stop

JFK1:05 pmNew York John F Kennedy Intl

Feb 20

JFK4:25 pmNew York John F Kennedy Intl

10h 40m

1 stop

LHR8:05 amLondon Heathrow

$459

SWISS

Feb 11

LHR6:00 amLondon Heathrow

12h 05m

1 stop

JFK1:05 pmNew York John F Kennedy Intl

Feb 16

JFK4:25 pmNew York John F Kennedy Intl

10h 40m

1 stop

LHR8:05 amLondon Heathrow

$464

SWISS

Feb 12

LHR6:00 amLondon Heathrow

12h 05m

1 stop

JFK1:05 pmNew York John F Kennedy Intl

Feb 19

JFK4:25 pmNew York John F Kennedy Intl

10h 40m

1 stop

LHR8:05 amLondon Heathrow

$469

Lufthansa flights from London Heathrow Airport to United States

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

Lufthansa

Feb 8

LHR8:45 amLondon Heathrow

11h 55m

1 stop

JFK3:40 pmNew York John F Kennedy Intl

Feb 18

JFK3:40 pmNew York John F Kennedy Intl

11h 05m

1 stop

LHR7:45 amLondon Heathrow

$465

Lufthansa

Feb 8

LHR9:30 amLondon Heathrow

11h 30m

1 stop

EWR4:00 pmNewark

Feb 15

EWR9:10 amNewark

7h 10m

LHR9:20 pmLondon Heathrow

$471

Lufthansa

Feb 11

LHR8:15 pmLondon Heathrow

27h 00m

1 stop

LAX3:15 pmLos Angeles

Feb 22

LAX7:00 pmLos Angeles

10h 30m

LHR1:30 pmLondon Heathrow

$472

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Tue 3/3

12:00 pm-8:29 pm

1 stop13h 29m

Orlando

Tue 3/17

2:40 pm-6:20 am

1 stop11h 40m

$418

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Sun 3/8

12:15 pm-9:35 pm

1 stop13h 20m

Orlando

Sun 3/22

6:50 pm-10:50 am

1 stop12h 00m

$421

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Sat 3/14

12:15 pm-9:35 pm

1 stop13h 20m

Orlando

Thu 3/26

9:55 pm-7:30 pm

1 stop17h 35m

$425

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Wed 3/4

8:35 pm-8:35 pm

1 stop29h 00m

Orlando

Thu 3/19

6:50 pm-10:50 am

1 stop12h 00m

$428

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Tue 3/3

8:35 pm-8:35 pm

1 stop29h 00m

Orlando

Tue 3/10

6:50 pm-7:30 pm

1 stop20h 40m

$429

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 2/26

8:25 pm-11:45 am

1 stop23h 20m

Los Angeles

Wed 3/4

4:35 pm-10:55 am

Nonstop10h 20m

$470

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 2/20

5:05 pm-7:45 pm

Nonstop7h 40m

Boston Logan Intl

Tue 2/24

7:30 am-7:00 pm

Nonstop6h 30m

$475

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 5/19

2:10 pm-11:52 pm

1 stop14h 42m

Boston Logan Intl

Tue 5/26

12:00 pm-6:25 am

1 stop13h 25m

$477

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 2/13

1:00 pm-8:20 pm

1 stop12h 20m

New York LaGuardia

Fri 2/20

2:59 pm-7:50 am

1 stop11h 51m

$489

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 3/17

6:30 am-3:15 pm

1 stop15h 45m

Las Vegas Harry Reid Intl

Tue 3/24

7:15 am-6:25 am

1 stop16h 10m

$596

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to United States

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 United States?

In general, March is the cheapest month to fly from London Heathrow Airport to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $505. If you aren’t able to travel during the month of March, then book flights to United States from London Heathrow Airport during September instead. Flights to United States in September, while not as cheap as those in March, still average around $506.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was $569. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $657. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the morning when flights can be purchased for as low as $601. Try not to purchase tickets in the afternoon because they tend to be around $634. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from London Heathrow to Boston Logan Intl for the best London Heathrow - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $587 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from London Heathrow Airport for as low as $529 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to United States flight deals and tips

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

Best Price Found	$446
Fastest flight time	7h 20m
Direct flights	Every day
Airports in United States	4,296 airports

The best one-way flight to United States from London Heathrow Airport in the past 72 hours is $446. The best round-trip flight deal from London Heathrow Airport to United States found on momondo in the last 72 hours is $487.

The fastest flight from London Heathrow Airport to United States takes 7h 20m

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

There are 4,296 airports in United States. From London Heathrow Airport there are direct flights to Boston Logan Intl (BOS).

Search flight deals

When did momondo last update prices for flights from London Heathrow Airport to United States?
Prices for flights from London Heathrow Airport to United States refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to United States?
As of February 2026, there are 20 operators available to choose from for flights from London Heathrow Airport to United States.
How old do you have to be to fly from London Heathrow Airport to United States?
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 United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to United States?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to United States is Boeing 787-9 Dreamliner, representing 16.74% of all bookings. The subsequent popular models are Airbus A350-1000 at 15.75%, Boeing 777 at 14.37%, and Boeing 777-200/200ER at 8.65%.

Best airlines flying from London Heathrow Airport to United States

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $83	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
Icelandair	PriceFrom $182	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
Delta	PriceFrom $282	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights
British Airways	PriceFrom $400	Free Cancellation	Rating 6.7 7,711 reviews	Search British Airways flights
United Airlines	PriceFrom $401	Free Cancellation	Rating 7.4 9,232 reviews	Search United Airlines flights
Iberia	PriceFrom $406	Free Cancellation	Rating 7.0 3,102 reviews	Search Iberia flights
Aer Lingus	PriceFrom $416	Free Cancellation	Rating 7.2 1,444 reviews	Search Aer Lingus flights
SWISS	PriceFrom $436	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
TAP AIR PORTUGAL	PriceFrom $449	Free Cancellation	Rating 7.1 2,133 reviews	Search TAP AIR PORTUGAL flights
Finnair	PriceFrom $452	Free Cancellation	Rating 7.6 1,357 reviews	Search Finnair flights

Why use momondo?

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

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

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

All flight searches from London to United States on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to United States from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of London to United States 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 United States 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 3/4

Wed 3/11

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $46

Flights to Miamifrom $27

Flights to Chicagofrom $49

Flights to Orlandofrom $49

Flights to San Franciscofrom $54

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $51

Flights to Atlantafrom $42

Flights to Dallasfrom $51

Flights to Seattlefrom $73

Cheap flights from London Heathrow Airport to the United States from $343

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to the United States

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

SWISS flights from London Heathrow Airport to United States

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

Lufthansa flights from London Heathrow Airport to United States

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

momondo Fare Finder

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

See travel insights to the United States from

How to get the cheapest flight ticket from London Heathrow Airport to United States

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the morning when flights can be purchased for as low as $601. Try not to purchase tickets in the afternoon because they tend to be around $634. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from London Heathrow to Boston Logan Intl for the best London Heathrow - United States flight prices

How far in advance should I book a flight to United States?

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

There are 4 cabin classes available to choose from on London Heathrow to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Icelandair, LEVEL, and United Airlines are the most popular carriers operating from London Heathrow to United States

What airlines fly to United States?

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

Historically, on average around 12% of flights between London and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 158 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of 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 the United States flights?

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

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

As of February 2026, there are 292 flights per day flying from London Heathrow Airport to United States. The most common time of day flights depart is 4:00PM, with 52% of flights taking off in the afternoon.

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

As of February 2026, there are 2,048 flights per week flying from London Heathrow Airport to United States. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

Cheap London Heathrow Airport to United States flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in United States

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

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

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

What documentation or ID do you need to fly to United States?

What is the most popular plane model from London Heathrow Airport to United States?

Best airlines flying from London Heathrow Airport to United States

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

Why use momondo?

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

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

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

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

An easier way to manage your United States 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 the United States

Popular cities in the United States

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