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 £134. Users have also found prices from £168 and £172 on British Airways and TAP AIR PORTUGAL, 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 Boston Logan Intl - 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 £324. On average you can expect to pay £2,233. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £355.

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

Consider KLM (91%), Air Canada (88%) or Austrian Airlines (88%) 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 23% 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 £472.

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 December. Prices are generally better when you fly from North America to London Heathrow Airport in January, with the cheapest ticket starting at £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.

£342+ Flights from North America to London Heathrow Airport

Cheap flight deals from North America to Heathrow

Round-trip from	£364
One-way from	£134
Popular in	December
Cheapest in	January
Average price	£441
Good round-trip deal	£370 or less
Good one-way deal	£256 or less

Icelandair
8/5-14/5
2 total stops
39h 35m total
North America to London

Search Deals

Icelandair
25/7
1 total stop
10h 30m total
North America to London

Search Deals

High demand for flights, 5% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 15 April 2025.

Tue 20/520:50YYZ - LHR

1 stop10h 05mIcelandair

Mon 26/521:25LHR - YYZ

1 stop29h 30mIcelandair

Deal found 15/4£362

Sat 10/516:30YYZ - LHR

1 stop9h 00mAir Canada

Thu 15/508:40LHR - YYZ

1 stop12h 45mAir Canada

Deal found 13/4£367

Wed 21/522:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Tue 27/519:15LHR - YYZ

1 stop23h 15mVirgin Atlantic

Deal found 14/4£374

Fri 25/721:05YYZ - LHR

1 stop13h 50mMultiple Airlines

Fri 8/806:20LHR - YYZ

1 stop12h 50mMultiple Airlines

Deal found 13/4£376

Thu 9/1023:10JFK - LHR

1 stop31h 45mIcelandair

Tue 14/1013:05LHR - JFK

1 stop14h 05mIcelandair

Deal found 15/4£378

Fri 2/507:50JFK - LHR

Nonstop6h 55mBritish Airways

Fri 9/518:05LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 15/4£380

Fri 25/420:30JFK - LHR

1 stop20h 15mSWISS

Sun 27/419:15LHR - JFK

1 stop24h 05mSWISS

Deal found 15/4£386

Fri 18/415:30JFK - LHR

1 stop16h 10mMultiple Airlines

Sun 20/406:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 15/4£389

Fri 16/519:25JFK - LHR

1 stop13h 15mUnited Airlines

Sun 18/509:30LHR - JFK

1 stop17h 18mUnited Airlines

Deal found 14/4£390

Sun 1/622:00YYZ - LHR

Nonstop7h 15mBritish Airways

Wed 11/617:15LHR - YYZ

Nonstop7h 55mBritish Airways

Deal found 14/4£394

Wed 3/923:00YYZ - LHR

1 stop14h 50mTAP AIR PORTUGAL

Tue 9/919:50LHR - YYZ

1 stop23h 05mTAP AIR PORTUGAL

Deal found 14/4£402

Mon 12/518:50LGA - LHR

1 stop10h 10mAir Canada

Wed 21/509:30LHR - LGA

1 stop10h 18mAir Canada

Deal found 14/4£404

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 15 April 2025.

Thu 8/520:50YYZ - LHR

1 stop10h 05mIcelandair

Wed 14/521:25LHR - YYZ

1 stop29h 30mIcelandair

Deal found 13/4£364

Sat 10/516:30YYZ - LHR

1 stop9h 00mAir Canada

Thu 15/508:40LHR - YYZ

1 stop12h 45mAir Canada

Deal found 13/4£367

Wed 21/522:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Tue 27/519:15LHR - YYZ

1 stop23h 15mVirgin Atlantic

Deal found 14/4£374

Fri 25/721:05YYZ - LHR

1 stop13h 50mMultiple Airlines

Fri 8/806:20LHR - YYZ

1 stop12h 50mMultiple Airlines

Deal found 13/4£376

Fri 2/520:05JFK - LHR

Nonstop7h 10mBritish Airways

Fri 9/518:05LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 14/4£383

Fri 25/418:10JFK - LHR

1 stop21h 45mBrussels Airlines

Sun 27/411:05LHR - JFK

2 stops32h 55mBrussels Airlines

Deal found 14/4£389

Fri 16/519:25JFK - LHR

1 stop13h 15mUnited Airlines

Sun 18/509:30LHR - JFK

1 stop17h 18mUnited Airlines

Deal found 14/4£390

Fri 25/419:25JFK - LHR

2 stops21h 20mSWISS

Sun 27/406:00LHR - JFK

1 stop15h 35mSWISS

Deal found 14/4£395

Mon 28/418:45JFK - LHR

Nonstop7h 05mIberia

Mon 5/508:20LHR - JFK

Nonstop7h 45mIberia

Deal found 14/4£400

Wed 3/923:00YYZ - LHR

1 stop11h 35mTAP AIR PORTUGAL

Wed 10/906:00LHR - YYZ

1 stop12h 55mTAP AIR PORTUGAL

Deal found 14/4£402

Sun 18/518:20YYZ - LHR

Nonstop7h 15mLufthansa

Wed 28/508:30LHR - YYZ

Nonstop7h 50mLufthansa

Deal found 14/4£408

Wed 14/517:30EWR - LHR

1 stop14h 25mScandinavian Airlines

Wed 21/506:40LHR - EWR

1 stop11h 35mScandinavian Airlines

Deal found 15/4£420

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 15 April 2025.

Tue 29/420:55JFK - LHR

Nonstop7h 15mBritish Airways

Tue 6/516:20LHR - JFK

Nonstop8h 05mBritish Airways

Deal found 14/4£378

Mon 2/618:05YYZ - LHR

Nonstop7h 10mBritish Airways

Sat 7/613:20LHR - YYZ

Nonstop7h 40mBritish Airways

Deal found 14/4£389

Thu 29/518:20YYZ - LHR

Nonstop7h 15mAir Canada

Thu 5/617:40LHR - YYZ

Nonstop7h 50mAir Canada

Deal found 14/4£391

Mon 28/422:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Mon 5/517:50LHR - YYZ

Nonstop7h 50mVirgin Atlantic

Deal found 14/4£396

Mon 12/520:30YYZ - LHR

Nonstop7h 05mLufthansa

Mon 19/508:30LHR - YYZ

Nonstop7h 50mLufthansa

Deal found 14/4£399

Mon 28/418:45JFK - LHR

Nonstop7h 05mIberia

Mon 5/508:20LHR - JFK

Nonstop7h 45mIberia

Deal found 14/4£400

Fri 2/521:00JFK - LHR

Nonstop7h 15mVirgin Atlantic

Thu 8/516:50LHR - JFK

Nonstop7h 50mVirgin Atlantic

Deal found 14/4£403

Mon 28/418:20YYZ - LHR

Nonstop7h 15mMultiple Airlines

Sun 4/517:40LHR - YYZ

Nonstop7h 50mMultiple Airlines

Deal found 14/4£410

Fri 2/518:05YYZ - LHR

Nonstop7h 10mAmerican Airlines

Mon 26/513:20LHR - YYZ

Nonstop7h 40mAmerican Airlines

Deal found 14/4£417

Wed 14/517:55EWR - LHR

Nonstop6h 55mBritish Airways

Wed 21/516:35LHR - EWR

Nonstop7h 50mBritish Airways

Deal found 14/4£419

Tue 29/420:50EWR - LHR

Nonstop7h 30mUnited Airlines

Tue 6/516:00LHR - EWR

Nonstop8h 10mUnited Airlines

Deal found 15/4£421

Sat 10/520:15BOS - LHR

Nonstop6h 50mVirgin Atlantic

Sat 17/512:45LHR - BOS

Nonstop7h 55mVirgin Atlantic

Deal found 14/4£426

Last-minute flights from North America to Heathrow
Discover last-minute flight deals from North America to Heathrow. Data last updated 15 April 2025 and is based on user searches.

Fri 18/415:30JFK - LHR

1 stop16h 10mMultiple Airlines

Sun 20/406:50LHR - JFK

1 stop11h 10mMultiple Airlines

Deal found 15/4£389

Sun 20/409:00JFK - LHR

1 stop20h 00mMultiple Airlines

Sat 26/420:05LHR - JFK

1 stop25h 30mMultiple Airlines

Deal found 15/4£422

Mon 21/422:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Mon 28/408:40LHR - YYZ

1 stop16h 15mVirgin Atlantic

Deal found 14/4£403

Tue 22/410:25EWR - LHR

1 stop15h 05mMultiple Airlines

Mon 28/408:40LHR - EWR

1 stop16h 30mMultiple Airlines

Deal found 14/4£422

Wed 23/418:35BOS - LHR

1 stop9h 30mAer Lingus

Thu 1/512:00LHR - BOS

1 stop11h 45mAer Lingus

Deal found 14/4£426

Wed 23/418:20YYZ - LHR

1 stop12h 55mAmerican Airlines

Wed 30/413:20LHR - YYZ

Nonstop7h 40mAmerican Airlines

Deal found 14/4£426

Thu 24/423:10JFK - LHR

1 stop16h 10mIcelandair

Mon 12/521:25LHR - JFK

1 stop26h 45mIcelandair

Deal found 14/4£381

Thu 24/422:30YYZ - LHR

Nonstop7h 10mDelta

Sun 27/417:50LHR - YYZ

Nonstop7h 50mDelta

Deal found 14/4£408

Thu 24/418:45JFK - LHR

Nonstop7h 05mBritish Airways

Thu 1/519:05LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 13/4£419

Fri 25/418:10JFK - LHR

1 stop21h 45mBrussels Airlines

Sun 27/411:05LHR - JFK

2 stops32h 55mBrussels Airlines

Deal found 14/4£389

Fri 25/419:25JFK - LHR

2 stops21h 20mSWISS

Sun 27/406:00LHR - JFK

1 stop15h 35mSWISS

Deal found 14/4£395

Fri 25/418:29JFK - LHR

1 stop9h 36mAer Lingus

Fri 2/513:25LHR - JFK

1 stop10h 55mAer Lingus

Deal found 14/4£426

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 15 April 2025.

Fri 25/720:25JFK - LHR

1 stop10h 30mIcelandair

Deal found 15/4£134

Mon 12/509:45JFK - LHR

Nonstop6h 55mBritish Airways

Deal found 14/4£168

Tue 15/722:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Deal found 14/4£172

Mon 14/700:15JFK - LHR

1 stop16h 35mMultiple Airlines

Deal found 14/4£179

Wed 23/722:15YYZ - LHR

1 stop13h 40mMultiple Airlines

Deal found 14/4£183

Mon 8/923:00EWR - LHR

1 stop10h 15mMultiple Airlines

Deal found 14/4£184

Mon 28/722:20IAD - LHR

1 stop15h 30mTAP AIR PORTUGAL

Deal found 14/4£185

Tue 29/420:25EWR - LHR

1 stop18h 55mIcelandair

Deal found 14/4£185

Sun 4/523:35BOS - LHR

1 stop31h 20mIcelandair

Deal found 14/4£186

Mon 12/520:30BWI - LHR

1 stop18h 50mIcelandair

Deal found 14/4£188

Mon 12/520:30IAD - LHR

1 stop18h 50mIcelandair

Deal found 14/4£188

Mon 28/419:25ORD - LHR

1 stop18h 55mIcelandair

Deal found 14/4£200

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

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 20/5

20:50-11:55

1 stop10h 05m

London Heathrow

Mon 26/5

21:25-21:55

1 stop29h 30m

£362

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 10/5

16:30-06:30

1 stop9h 00m

London Heathrow

Thu 15/5

08:40-16:25

1 stop12h 45m

£367

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 21/5

22:30-10:40

Nonstop7h 10m

London Heathrow

Tue 27/5

19:15-13:30

1 stop23h 15m

£374

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 25/7

21:05-15:55

1 stop13h 50m

London Heathrow

Fri 8/8

06:20-14:10

1 stop12h 50m

£376

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 9/10

23:10-11:55

1 stop31h 45m

London Heathrow

Mon 13/10

21:25-22:10

1 stop29h 45m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 2/5

20:05-08:15

Nonstop7h 10m

London Heathrow

Fri 9/5

18:05-21:00

Nonstop7h 55m

£383

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 25/4

18:10-20:55

1 stop21h 45m

London Heathrow

Sun 27/4

11:05-15:00

2 stops32h 55m

£389

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 16/5

19:25-13:40

1 stop13h 15m

London Heathrow

Sun 18/5

09:30-21:48

1 stop17h 18m

£390

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/5

09:00-06:30

1 stop16h 30m

London Heathrow

Thu 15/5

06:00-12:50

1 stop11h 50m

£391

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 1/6

22:00-10:15

Nonstop7h 15m

London Heathrow

Wed 11/6

17:15-20:10

Nonstop7h 55m

£394

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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 Tuesday, which is when the least amount of flights are scheduled (53 on average).

Rainfall in Heathrow by month

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.

Temperature in Heathrow by month

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).

Reviews of airlines servicing Heathrow

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,916 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

775 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Azores Airlines

7.5

Good

65 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 £134. Users have also found prices from £168 and £172 on British Airways and TAP AIR PORTUGAL, 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 Boston Logan Intl - 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 KLM (91%), Air Canada (88%) or Austrian Airlines (88%) 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 £324. On average you can expect to pay £2,233. The most popular route, (New York John F Kennedy Intl - London Heathrow), can usually be booked for £355.
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

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Wembley

Northampton

Hayes

Crawley

Southend-on-Sea

Maidstone

Swindon

Ipswich

Southall

Ilford

Winchester

Folkestone

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
Norse Atlantic UK	Cheapest£249	Average£435	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Virgin Atlantic	Cheapest£286	Average£591	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air France	Cheapest£289	Average£542	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest£293	Average£608	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£300	Average£503	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	Cheapest£301	Average£614	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Finnair	Cheapest£310	Average£631	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Scandinavian Airlines	Cheapest£310	Average£535	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air Canada	Cheapest£310	Average£531	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£313	Average£621	FlexibilityNo cancel fee	On-time70%	Search British Airways 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!

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Cheap flights from North America to London Heathrow Airport from £134

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 25/7. 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 15 April 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 15 April 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 15 April 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 15 April 2025.

Weekly flight availability from North America to London Heathrow Airport

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

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?

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Alternative routes for North America to Heathrow

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Top 10 airlines flying from North America to Heathrow

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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 15 April 2025.