What are the cheapest airlines to fly from North America to London Heathrow Airport one-way?

For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £129. Users have also found prices from £130 and £150 on TAP AIR PORTUGAL and British Airways, respectively.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from North America to London Heathrow Airport?

Most travelers choose New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or Los Angeles - London Heathrow when deciding on the best route from North America to London Heathrow Airport.

What are the cheapest flights from North America to London Heathrow Airport?

The cheapest flight price from North America to London Heathrow Airport is £289. On average you can expect to pay £1,783. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £284.

What are the most reliable airlines from North America to London Heathrow Airport?

Consider Air Canada (85%), Austrian Airlines (85%) or United Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from North America to London Heathrow Airport.

What are the most popular airlines that fly from North America to London Heathrow Airport?

The most popular airlines flying from North America to London Heathrow Airport are American Airlines, Air France and Finnair. Something to consider prior to booking your flight.

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

Find a great deal and save up to 26% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from North America to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £465.

What is the cheapest month to fly from North America to London Heathrow Airport?

Flights from North America to London Heathrow Airport lean towards being more expensive in June. Prices are generally better when you fly from North America to London Heathrow Airport in January, with the cheapest ticket starting at £273.

Can I find deals for flights from North America to Heathrow that include hotel bookings?

Yes. In addition to deals on North America to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from North America to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Heathrow.

Can I find deals for business class flights from North America to Heathrow?

Yes. Cheapflights offers flight deals from North America to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£312+ Flights from North America to London Heathrow Airport

Cheap flight deals from North America to Heathrow

Round-trip from	£359
One-way from	£129
Popular in	June
Cheapest in	January
Average price	£459
Good round-trip deal	£366 or less
Good one-way deal	£192 or less

Air Canada
6/8-27/8
2 total stops
20h 05m total
North America to London

Search Deals

Icelandair
26/8
1 total stop
10h 30m total
North America to London

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£40 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from North America to London Heathrow.

Search Deals

Price to beat on a one-way flight from North America to London Heathrow.

Search Deals

Find flight deals from North America to Heathrow

Cheapest flights from North America to Heathrow
Explore the most affordable flight options available from North America to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Wed 6/819:10LGA - LHR

1 stop9h 50mAir Canada

Wed 27/809:30LHR - LGA

1 stop10h 15mAir Canada

Deal found 30/6£359

Thu 14/820:25JFK - LHR

1 stop10h 30mIcelandair

Thu 28/813:05LHR - JFK

1 stop14h 05mIcelandair

Deal found 30/6£360

Mon 3/1110:15JFK - LHR

Nonstop6h 55mIberia

Mon 17/1108:25LHR - JFK

1 stop18h 35mIberia

Deal found 1/7£362

Sun 17/815:00LGA - LHR

1 stop10h 45mVirgin Atlantic

Mon 25/809:40LHR - LGA

1 stop11h 50mVirgin Atlantic

Deal found 30/6£362

Sun 20/723:25JFK - LHR

Nonstop7h 00mVirgin Atlantic

Sun 14/912:55LHR - JFK

Nonstop8h 05mVirgin Atlantic

Deal found 1/7£362

Fri 19/909:45JFK - LHR

Nonstop6h 55mAmerican Airlines

Fri 26/907:45LHR - JFK

1 stop12h 00mAmerican Airlines

Deal found 1/7£363

Wed 20/819:29JFK - LHR

Nonstop7h 16mBritish Airways

Mon 1/917:00LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 1/7£364

Wed 10/909:00JFK - LHR

1 stop19h 35mUnited Airlines

Mon 15/908:40LHR - JFK

1 stop12h 55mUnited Airlines

Deal found 29/6£365

Tue 12/818:29JFK - LHR

1 stop9h 36mAer Lingus

Sat 23/807:40LHR - JFK

1 stop10h 45mAer Lingus

Deal found 30/6£366

Thu 21/819:29LGA - LHR

1 stop30h 26mUnited Airlines

Thu 28/809:30LHR - LGA

1 stop27h 32mUnited Airlines

Deal found 30/6£370

Wed 8/1017:45LGA - LHR

1 stop10h 50mMultiple Airlines

Sat 11/1009:30LHR - LGA

1 stop15h 07mMultiple Airlines

Deal found 29/6£371

Wed 27/815:30LGA - LHR

1 stop10h 00mLufthansa

Wed 3/914:05LHR - LGA

1 stop10h 32mLufthansa

Deal found 30/6£372

Best flights from North America to Heathrow
Discover carefully curated flight deals from North America to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 July 2025.

Wed 6/819:10LGA - LHR

1 stop9h 50mAir Canada

Wed 27/809:30LHR - LGA

1 stop10h 15mAir Canada

Deal found 30/6£359

Thu 14/820:25JFK - LHR

1 stop10h 30mIcelandair

Thu 28/813:05LHR - JFK

1 stop14h 05mIcelandair

Deal found 30/6£360

Mon 3/1110:15JFK - LHR

Nonstop6h 55mIberia

Mon 17/1108:25LHR - JFK

1 stop18h 35mIberia

Deal found 1/7£362

Sun 17/815:00LGA - LHR

1 stop10h 45mVirgin Atlantic

Mon 25/809:40LHR - LGA

1 stop11h 50mVirgin Atlantic

Deal found 30/6£362

Fri 19/909:45JFK - LHR

Nonstop6h 55mAmerican Airlines

Fri 26/907:45LHR - JFK

1 stop12h 00mAmerican Airlines

Deal found 1/7£363

Wed 20/807:50JFK - LHR

Nonstop6h 55mBritish Airways

Sat 30/810:00LHR - JFK

Nonstop7h 45mBritish Airways

Deal found 1/7£364

Wed 10/909:00JFK - LHR

1 stop19h 35mUnited Airlines

Mon 15/908:40LHR - JFK

1 stop12h 55mUnited Airlines

Deal found 29/6£365

Tue 12/818:29JFK - LHR

1 stop9h 36mAer Lingus

Sat 23/807:40LHR - JFK

1 stop10h 45mAer Lingus

Deal found 30/6£366

Wed 8/1017:45LGA - LHR

1 stop10h 50mMultiple Airlines

Sat 11/1009:30LHR - LGA

1 stop15h 07mMultiple Airlines

Deal found 29/6£371

Wed 27/815:30LGA - LHR

1 stop10h 00mLufthansa

Wed 3/914:05LHR - LGA

1 stop10h 32mLufthansa

Deal found 30/6£372

Thu 14/820:59JFK - LHR

Nonstop7h 31mJetBlue

Thu 21/808:15LHR - JFK

Nonstop8h 04mJetBlue

Deal found 30/6£372

Fri 15/819:00JFK - LHR

Nonstop7h 15mDelta

Wed 20/808:40LHR - JFK

1 stop11h 45mDelta

Deal found 30/6£374

Direct flights from North America to Heathrow
Explore direct flight options from North America to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 July 2025.

Thu 14/820:30JFK - LHR

Nonstop7h 20mVirgin Atlantic

Thu 21/820:10LHR - JFK

Nonstop7h 50mVirgin Atlantic

Deal found 30/6£362

Wed 20/822:55JFK - LHR

Nonstop7h 10mBritish Airways

Wed 27/813:20LHR - JFK

Nonstop7h 50mBritish Airways

Deal found 30/6£363

Sun 24/819:00JFK - LHR

Nonstop7h 15mAir France

Tue 2/920:10LHR - JFK

Nonstop7h 50mAir France

Deal found 1/7£365

Sun 17/808:45JFK - LHR

Nonstop7h 00mJetBlue

Thu 21/808:15LHR - JFK

Nonstop8h 04mJetBlue

Deal found 30/6£372

Tue 22/719:00JFK - LHR

Nonstop7h 15mMultiple Airlines

Thu 31/718:50LHR - JFK

Nonstop7h 39mMultiple Airlines

Deal found 30/6£374

Fri 22/818:30JFK - LHR

Nonstop7h 00mIberia

Sat 13/1219:50LHR - JFK

Nonstop8h 05mIberia

Deal found 30/6£375

Thu 14/820:10BOS - LHR

Nonstop6h 40mBritish Airways

Thu 21/808:55LHR - BOS

Nonstop7h 30mBritish Airways

Deal found 30/6£378

Wed 15/1019:40BOS - LHR

Nonstop6h 40mFinnair

Wed 29/1019:05LHR - BOS

Nonstop7h 50mFinnair

Deal found 30/6£378

Sun 24/819:00JFK - LHR

Nonstop7h 15mDelta

Tue 2/916:50LHR - JFK

Nonstop7h 50mDelta

Deal found 29/6£378

Sun 10/822:45BOS - LHR

Nonstop6h 45mDelta

Tue 19/809:40LHR - BOS

Nonstop7h 35mDelta

Deal found 30/6£380

Sun 24/808:30EWR - LHR

Nonstop7h 10mUnited Airlines

Tue 2/909:30LHR - EWR

Nonstop8h 10mUnited Airlines

Deal found 1/7£380

Tue 22/722:45BOS - LHR

Nonstop6h 45mVirgin Atlantic

Tue 29/718:15LHR - BOS

Nonstop7h 45mVirgin Atlantic

Deal found 30/6£381

Last-minute flights from North America to Heathrow
Discover last-minute flight deals from North America to Heathrow. Data last updated 1 July 2025 and is based on user searches.

Mon 7/721:00JFK - LHR

Nonstop7h 15mVirgin Atlantic

Sun 31/820:10LHR - JFK

Nonstop7h 50mVirgin Atlantic

Deal found 29/6£381

Mon 7/718:29JFK - LHR

1 stop9h 36mAer Lingus

Mon 15/907:40LHR - JFK

1 stop10h 45mAer Lingus

Deal found 30/6£385

Mon 7/718:59LGA - LHR

1 stop10h 31mVirgin Atlantic

Mon 15/909:40LHR - LGA

1 stop11h 47mVirgin Atlantic

Deal found 30/6£390

Mon 7/708:45JFK - LHR

Nonstop7h 00mJetBlue

Sat 23/808:15LHR - JFK

Nonstop8h 04mJetBlue

Deal found 30/6£390

Mon 7/720:15BOS - LHR

Nonstop6h 50mDelta

Wed 20/806:15LHR - BOS

1 stop12h 25mDelta

Deal found 28/6£391

Tue 8/709:00JFK - LHR

1 stop16h 30mUnited Airlines

Wed 1/1008:40LHR - JFK

1 stop12h 55mUnited Airlines

Deal found 30/6£384

Tue 8/711:00EWR - LHR

1 stop29h 00mUnited Airlines

Wed 1/1009:05LHR - EWR

1 stop33h 50mUnited Airlines

Deal found 30/6£386

Tue 8/709:00JFK - LHR

1 stop16h 30mMultiple Airlines

Wed 23/706:00LHR - JFK

1 stop15h 35mMultiple Airlines

Deal found 30/6£386

Tue 8/715:30EWR - LHR

1 stop10h 00mAir Canada

Wed 1/1009:30LHR - EWR

1 stop10h 13mAir Canada

Deal found 30/6£386

Tue 8/708:45LGA - LHR

1 stop16h 45mAir Canada

Wed 1/1014:05LHR - LGA

1 stop12h 25mAir Canada

Deal found 30/6£387

Wed 9/718:40BOS - LHR

1 stop10h 20mMultiple Airlines

Mon 14/720:05LHR - BOS

1 stop28h 50mMultiple Airlines

Deal found 29/6£390

Thu 10/707:25BOS - LHR

Nonstop6h 30mIberia

Wed 23/708:55LHR - BOS

Nonstop7h 25mIberia

Deal found 29/6£385

One-way flights from North America to Heathrow
Search for one-way flight options from North America to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 July 2025.

Tue 26/820:25JFK - LHR

1 stop10h 30mIcelandair

Deal found 1/7£129

Mon 28/722:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Deal found 30/6£130

Tue 29/709:45JFK - LHR

Nonstop6h 55mBritish Airways

Deal found 29/6£150

Tue 22/716:40LAX - LHR

1 stop21h 20mTAP AIR PORTUGAL

Deal found 29/6£151

Wed 30/707:05LGA - LHR

1 stop18h 25mAir Canada

Deal found 30/6£151

Sun 13/723:40JFK - LHR

1 stop28h 30mIberia

Deal found 1/7£153

Wed 5/1119:01JFK - LHR

Nonstop6h 54mVirgin Atlantic

Deal found 1/7£154

Mon 8/920:30BWI - LHR

1 stop18h 50mIcelandair

Deal found 30/6£159

Thu 31/719:00JFK - LHR

Nonstop7h 15mAir France

Deal found 1/7£159

Thu 14/809:00JFK - LHR

1 stop20h 00mAir Canada

Deal found 30/6£160

Tue 30/914:30BWI - LHR

2 stops16h 25mMultiple Airlines

Deal found 29/6£162

Sat 2/821:25LAX - LHR

1 stop32h 50mMultiple Airlines

Deal found 28/6£165

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 6/8

19:10-10:00

1 stop9h 50m

London Heathrow

Wed 27/8

09:30-14:45

1 stop10h 15m

£359

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 14/8

20:25-11:55

1 stop10h 30m

London Heathrow

Thu 28/8

13:05-22:10

1 stop14h 05m

£360

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 3/11

10:15-22:10

Nonstop6h 55m

London Heathrow

Mon 17/11

08:25-22:00

1 stop18h 35m

£362

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 17/8

15:00-06:45

1 stop10h 45m

London Heathrow

Mon 25/8

09:40-16:30

1 stop11h 50m

£362

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 20/7

23:25-11:25

Nonstop7h 00m

London Heathrow

Sun 14/9

12:55-16:00

Nonstop8h 05m

£362

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 19/9

09:45-21:40

Nonstop6h 55m

London Heathrow

Fri 26/9

07:45-14:45

1 stop12h 00m

£363

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 20/8

19:29-07:45

Nonstop7h 16m

London Heathrow

Mon 1/9

17:00-19:55

Nonstop7h 55m

£364

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 10/9

09:00-09:35

1 stop19h 35m

London Heathrow

Mon 15/9

08:40-16:35

1 stop12h 55m

£365

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 12/8

18:29-09:05

1 stop9h 36m

London Heathrow

Sat 23/8

07:40-13:25

1 stop10h 45m

£366

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 21/8

19:29-06:55

1 stop30h 26m

London Heathrow

Thu 28/8

09:30-08:02

1 stop27h 32m

£370

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 60 results

...

Best time to book a flight from North America to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from North America with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from North America to London Heathrow Airport

What is the cheapest month to book a flight from North America to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from North America to London Heathrow Airport (average of £112). Flying from North America to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NA to LHR?

When flying from North America to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from North America to London Heathrow Airport

The most flights from 0NA to LHR are scheduled on a Monday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 on average).

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from North America to London Heathrow Airport, such as Delta, KLM, andAustrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,973 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,366 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

807 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,301 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,472 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from North America to London Heathrow Airport one-way?
For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £129. Users have also found prices from £130 and £150 on TAP AIR PORTUGAL and British Airways, respectively.
What are the most popular routes from North America to London Heathrow Airport?
Most travelers choose New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or Los Angeles - London Heathrow when deciding on the best route from North America to London Heathrow Airport.
What are the most reliable airlines from North America to London Heathrow Airport?
Consider Air Canada (85%), Austrian Airlines (85%) or United Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from North America to London Heathrow Airport.
What are the cheapest flights from North America to London Heathrow Airport?
The cheapest flight price from North America to London Heathrow Airport is £289. On average you can expect to pay £1,783. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £284.
Can I find deals for flights from North America to Heathrow that include hotel bookings?
Yes. In addition to deals on North America to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from North America to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Heathrow.
Can I find deals for business class flights from North America to Heathrow?
Yes. Cheapflights offers flight deals from North America to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from North America to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from North America to London Heathrow Airport (average of £112). Flying from North America to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Croydon

Milton Keynes

Hounslow

Deal

Northampton

Gatwick

Slough

Luton

Wembley

Crawley

Eastbourne

Ilford

Watford

Southend-on-Sea

Folkestone

Ipswich

Winchester

Hayes

Maidstone

Swindon

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from North America to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest£225	Average£543	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Virgin Atlantic	Cheapest£273	Average£578	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£281	Average£509	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£288	Average£618	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	Cheapest£289	Average£629	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
British Airways	Cheapest£290	Average£578	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£297	Average£571	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Scandinavian Airlines	Cheapest£297	Average£437	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air Canada	Cheapest£297	Average£509	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	Cheapest£312	Average£604	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from North America to Heathrow?

Deals for North America to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from North America to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from North America by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from North America to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from North America? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from North America to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from North America to London Heathrow Airport from £129

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from North America to Heathrow

Keep the following information in mind while searching for North America to Heathrow flight deals. Data was last updated 1 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from North America to Heathrow

Cheapest flights from North America to HeathrowExplore the most affordable flight options available from North America to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Explore the most affordable flight options available from North America to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from North America to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from North America with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from North America to London Heathrow Airport

What is the cheapest month to book a flight from North America to London Heathrow Airport?

What is the cheapest time of day to fly from NA to LHR?

Find hourly flight availability from North America to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2025.

Weekly flight availability from North America to London Heathrow Airport

Explore weekly flight availability from North America to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 July 2025.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from North America to London Heathrow Airport, such as Delta, KLM, andAustrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from North America to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from North America to London Heathrow Airport one-way?

What are the most popular routes from North America to London Heathrow Airport?

What are the most reliable airlines from North America to London Heathrow Airport?

What are the cheapest flights from North America to London Heathrow Airport?

Can I find deals for flights from North America to Heathrow that include hotel bookings?

How can I find direct flights from North America to Heathrow?

Can I find deals for business class flights from North America to Heathrow?

What is the cheapest month to book a flight from North America to London Heathrow Airport?

Travelling to a place near North America?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for North America to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from North America to Heathrow

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from North America to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from North America to Heathrow?

Can Cheapflights find flights from North America to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from North America to Heathrow become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from North America to Heathrow
Explore the most affordable flight options available from North America to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.