How long is the flight from London Heathrow Airport to North America?

Airlines like Icelandair, Alaska Airlines, and Scandinavian Airlines fly from London Heathrow Airport to North America in about 11h. The time it takes to get you to your destination can typically vary by up to 14h 25m. London Heathrow Airport and North America are separated by a distance of 3543 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in North America ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit North America when rainfall is around 71.0 mm.

If weather is an important factor for your trip to North America, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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

While some choose either London Heathrow - Newark or London Heathrow - New York LaGuardia, London Heathrow - New York John F Kennedy Intl is the most popular route from London Heathrow Airport to North America.

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

Looking at all options, your cheapest flight can be booked for £341. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £377 on average, our data indicates £2,457 when flying from London Heathrow Airport to North America.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to North America on time: SriLankan Airlines (98%), Malaysia Airlines (94%), Fiji Airways (82%).

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

Before booking your flight from London Heathrow Airport to North America check out the most popular airlines for this route: Virgin Atlantic, British Airways or Air Canada.

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

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

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

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

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

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

£252+ Cheap Flights from London Heathrow Airport to North America

Cheap flight deals from Heathrow to North America

Enter your travel dates to find the best prices.

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Best

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Cheapest flights from Heathrow to North America
Explore the most affordable flight options available from Heathrow to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Thu 3/1220:35 -

1 stop26h 40m

Thu 21/119:40 -

1 stop18h 50m

Deal found 8/11£374

Thu 3/1212:15 -

1 stop11h 00m

Sun 6/1219:40 -

1 stop18h 50m

Deal found 4/11£374

Tue 1/1220:35 -

1 stop26h 40m

Tue 8/1219:40 -

1 stop18h 50m

Deal found 7/11£375

Thu 3/1212:15 -

1 stop11h 00m

Thu 10/1219:40 -

1 stop18h 50m

Deal found 5/11£376

Tue 1/1220:35 -

1 stop26h 40m

Sun 6/1219:40 -

1 stop18h 50m

Deal found 9/11£378

Wed 2/1220:35 -

1 stop26h 40m

Mon 7/1219:40 -

1 stop18h 50m

Deal found 9/11£381

Sun 13/1211:20 -

1 stop15h 47m

Sat 9/112:55 -

1 stop13h 50m

Deal found 7/11£382

Mon 14/1209:40 -

1 stop14h 06m

Thu 7/120:00 -

Nonstop7h 05m

Deal found 5/11£383

Thu 10/1212:15 -

1 stop11h 00m

Wed 7/420:45 -

1 stop10h 10m

Deal found 7/11£383

Wed 16/1211:20 -

1 stop15h 37m

Wed 6/120:00 -

Nonstop7h 05m

Deal found 5/11£383

Mon 14/1209:40 -

1 stop14h 47m

Wed 6/112:55 -

1 stop12h 55m

Deal found 5/11£383

Tue 15/1211:20 -

1 stop13h 05m

Wed 6/112:55 -

1 stop12h 55m

Deal found 5/11£384

Best flights from Heathrow to North America
Discover carefully curated flight deals from Heathrow to North America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Sat 23/112:15 -

1 stop11h 00m

Fri 5/219:40 -

1 stop18h 50m

Deal found 8/11£398

Sun 22/1114:45 -

1 stop16h 04m

Wed 9/1212:30 -

1 stop15h 50m

Deal found 8/11£428

Mon 8/217:30 -

2 stops25h 25m

Sun 14/218:30 -

1 stop15h 05m

Deal found 4/11£463

Wed 20/119:25 -

1 stop23h 30m

Fri 29/122:00 -

Nonstop7h 25m

Deal found 4/11£466

Sat 30/107:50 -

1 stop13h 00m

Sun 7/222:20 -

Nonstop7h 05m

Deal found 6/11£467

Sun 6/1208:40 -

1 stop11h 20m

Sun 13/1222:20 -

Nonstop7h 10m

Deal found 6/11£488

Mon 1/209:00 -

1 stop13h 30m

Wed 17/213:03 -

2 stops16h 47m

Deal found 4/11£490

Sun 31/109:00 -

1 stop15h 35m

Sat 6/218:55 -

Nonstop10h 35m

Deal found 4/11£497

Thu 24/1210:20 -

1 stop13h 45m

Thu 31/1214:42 -

1 stop11h 38m

Deal found 8/11£498

Wed 9/1206:30 -

1 stop13h 15m

Sun 27/1206:20 -

1 stop16h 45m

Deal found 8/11£524

Mon 14/1208:15 -

1 stop16h 50m

Thu 21/109:30 -

2 stops20h 55m

Deal found 5/11£538

Mon 8/214:25 -

2 stops34h 05m

Mon 15/219:25 -

1 stop18h 15m

Deal found 6/11£541

Wed 16/1217:05 -

1 stop25h 10m

Wed 6/119:45 -

1 stop14h 30m

Deal found 7/11£651

Sat 13/220:35 -

1 stop26h 40m

Wed 24/219:40 -

1 stop10h 10m

Deal found 4/11£402

Wed 18/1114:45 -

1 stop15h 57m

Tue 8/1213:35 -

1 stop14h 45m

Deal found 8/11£428

Wed 14/407:40 -

1 stop13h 10m

Mon 19/418:05 -

Nonstop7h 10m

Deal found 4/11£469

Thu 19/1114:45 -

1 stop15h 57m

Sat 5/1212:30 -

1 stop15h 50m

Deal found 8/11£428

Wed 13/119:25 -

1 stop23h 30m

Sat 23/122:00 -

Nonstop7h 25m

Deal found 5/11£488

Fri 8/119:30 -

2 stops22h 55m

Fri 15/118:30 -

2 stops16h 30m

Deal found 7/11£489

Fri 4/1206:50 -

2 stops15h 59m

Sat 12/1214:35 -

2 stops14h 50m

Deal found 4/11£501

Tue 15/1207:30 -

1 stop16h 35m

Wed 6/114:40 -

1 stop11h 40m

Deal found 8/11£504

Sat 5/1214:45 -

1 stop14h 39m

Thu 10/1210:00 -

1 stop18h 20m

Deal found 5/11£433

Thu 7/109:50 -

1 stop11h 00m

Sun 24/118:05 -

Nonstop7h 10m

Deal found 8/11£479

Fri 12/206:30 -

1 stop13h 15m

Sat 20/216:40 -

Nonstop10h 15m

Deal found 8/11£532

Tue 24/1106:40 -

1 stop14h 00m

Tue 8/1217:40 -

2 stops15h 55m

Deal found 5/11£495

Fri 4/1209:00 -

1 stop13h 30m

Fri 11/1209:00 -

2 stops16h 20m

Deal found 5/11£502

Wed 10/208:15 -

1 stop16h 50m

Mon 15/213:29 -

2 stops18h 11m

Deal found 7/11£556

Tue 23/209:05 -

1 stop33h 50m

Sat 27/218:00 -

Nonstop7h 20m

Deal found 7/11£525

Sun 15/1114:45 -

1 stop15h 57m

Mon 23/1107:00 -

1 stop21h 20m

Deal found 4/11£436

Thu 10/1210:05 -

Nonstop11h 15m

Sat 26/1216:40 -

Nonstop10h 35m

Deal found 8/11£582

Find flight deals from Heathrow to North America

Round-trip from	£365
One-way from	£252
Popular in	July
Cheapest in	February
Average price	£499
Good round-trip deal	£425 or less
Good one-way deal	£305 or less

Icelandair
16/1-30/1
2 total stops
21h 10m total
London to North America

Search Deals

WestJet
6/12-31/12
Nonstop
8h 55m total
London to North America

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£66 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

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

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Tue 16/3

12:15-19:15

1 stop11h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£304

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Tue 12/1

12:15-18:15

1 stop11h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£306

LondonOrlando

LHR London Heathrow - MCO Orlando

LHRMCO

London Heathrow

Mon 5/4

21:25-20:50

1 stop28h 25m

Orlando

Wed 31/12

00:00-06:00

Nonstop0h 00m

£331

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Sun 21/2

18:40-13:15

1 stop23h 35m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£332

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Wed 24/3

13:40-23:10

1 stop13h 30m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£332

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Wed 13/1

07:25-10:50

Nonstop8h 25m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£338

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Sat 9/1

08:05-11:28

Nonstop8h 23m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£339

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Sun 10/1

07:45-11:09

Nonstop8h 24m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£339

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Sat 1/5

07:30-15:45

1 stop13h 15m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£342

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Fri 19/3

06:50-23:26

2 stops20h 36m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£342

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Heathrow to North America

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

LHR-YYZ

LHR-JFK

LHR-EWR

LHR-YYC

LHR-LAX

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 London Heathrow Airport to North America

LHR-0NA

LHR-YYZ

LHR-JFK

LHR-EWR

LHR-YYC

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to North America (average of £508). Flying from London Heathrow Airport to North America in July is currently the most expensive (average of £682). 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 LHR to NA?

When flying from London Heathrow Airport to North America, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 12% versus a flight in the evening.

Weekly flight availability from London Heathrow Airport to North America

The most flights from LHR to 0NA are scheduled on a Saturday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (47 on average).

How often are flights from London to North America delayed?

About 12% of weekly flights between London and North America have experienced delays in the past year, with the average delay time being 158 minutes.

What is the most punctual flight time for London to North America flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to North America flights?

Over the past year, Delta have had the lowest number of delays on this route, with just 8% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to North America, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Travellers seeking maximum savings on their London Heathrow Airport to North America flight should consider departing on Monday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing North America

Read reviews from past customers who have flown with Virgin Atlantic,United Airlines, andAir Canada from London Heathrow Airport to North America. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Virgin Atlantic

7.5

Good

698 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.5

Good

698 reviews

Virgin Atlantic

7.5

Good

698 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

United Airlines

7.3

Good

10,479 reviews

Virgin Atlantic

7.5

Good

698 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Air Canada

7.1

Good

11,880 reviews

Virgin Atlantic

7.5

Good

698 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Lufthansa

6.8

Okay

8,291 reviews

Virgin Atlantic

7.5

Good

698 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

British Airways

6.7

Okay

8,287 reviews

Virgin Atlantic

7.5

Good

698 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

How long is the flight from London Heathrow Airport to North America?
Airlines like Icelandair, Alaska Airlines, and Scandinavian Airlines fly from London Heathrow Airport to North America in about 11h. The time it takes to get you to your destination can typically vary by up to 14h 25m. London Heathrow Airport and North America are separated by a distance of 3543 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from London Heathrow Airport to North America one-way?
The cheapet airlines for a one-way flight from London Heathrow Airport to North America are Icelandair (£147), WestJet (£171), and KLM (£182).
What are the most popular routes from London Heathrow Airport to North America?
While some choose either London Heathrow - Newark or London Heathrow - New York LaGuardia, London Heathrow - New York John F Kennedy Intl is the most popular route from London Heathrow Airport to North America.
What are the most reliable airlines from London Heathrow Airport to North America?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to North America on time: SriLankan Airlines (98%), Malaysia Airlines (94%), Fiji Airways (82%).
What are the cheapest flights from London Heathrow Airport to North America?
Looking at all options, your cheapest flight can be booked for £341. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £377 on average, our data indicates £2,457 when flying from London Heathrow Airport to North America.
Can I find deals for flights from Heathrow to North America that include hotel bookings?
Yes. In addition to deals on Heathrow to North America flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to North America?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to North America.
Can I find deals for business class flights from Heathrow to North America?
Yes. Cheapflights offers flight deals from Heathrow to North America 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 London Heathrow Airport to North America?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to North America (average of £508). Flying from London Heathrow Airport to North America in July is currently the most expensive (average of £682). 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.

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Top 10 airlines flying from Heathrow to North America

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest£68	Average£199	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
TAP AIR PORTUGAL	Cheapest£230	Average£520	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
ITA Airways	Cheapest£265	Average£606	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
Delta	Cheapest£267	Average£612	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Finnair	Cheapest£285	Average£672	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Icelandair	Cheapest£288	Average£459	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
SWISS	Cheapest£306	Average£457	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Scandinavian Airlines	Cheapest£316	Average£546	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
JetBlue	Cheapest£332	Average£598	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Air Transat	Cheapest£346	Average£523	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights

Fly with Cheapflights

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

Deals for Heathrow to North America 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 Heathrow to North America?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to North America by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to North America from Heathrow? 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 Heathrow to North America become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to North America flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London Heathrow Airport to North America from £252

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to North America

Cheapest flights from Heathrow to North AmericaExplore the most affordable flight options available from Heathrow to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Explore the most affordable flight options available from Heathrow to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Best flights from Heathrow to North AmericaDiscover carefully curated flight deals from Heathrow to North America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Discover carefully curated flight deals from Heathrow to North America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Direct flights from Heathrow to North AmericaExplore direct flight options from Heathrow to North America based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 November 2026.

Explore direct flight options from Heathrow to North America based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 November 2026.

Last-minute flights from Heathrow to North AmericaDiscover last-minute flight deals from Heathrow to North America. Data last updated 9 November 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to North America. Data last updated 9 November 2026 and is based on user searches.

One-way flights from Heathrow to North AmericaSearch for one-way flight options from Heathrow to North America. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

Search for one-way flight options from Heathrow to North America. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

Find flight deals from Heathrow to North America

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to North America

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

Cheapflights Insights

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

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

Find hourly flight availability from Heathrow to North America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 November 2026.

When flying from London Heathrow Airport to North America, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 12% versus a flight in the evening.

Weekly flight availability from London Heathrow Airport to North America

The most flights from LHR to 0NA are scheduled on a Saturday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (47 on average).

How often are flights from London to North America delayed?

About 12% of weekly flights between London and North America have experienced delays in the past year, with the average delay time being 158 minutes.

What is the most punctual flight time for London to North America flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to North America flights?

Over the past year, Delta have had the lowest number of delays on this route, with just 8% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to North America, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Use this chart to determine the cheapest time to fly return from Heathrow to North America. Price data was last updated on 7 November 2026.

Travellers seeking maximum savings on their London Heathrow Airport to North America flight should consider departing on Monday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing North America

Related info for your journey

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

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

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

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

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

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Alternative routes for Heathrow to North America

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Heathrow and North America flights

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Cheapest flights from Heathrow to North America
Explore the most affordable flight options available from Heathrow to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Best flights from Heathrow to North America
Discover carefully curated flight deals from Heathrow to North America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

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One-way flights from Heathrow to North America
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