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Cheap flights from London Heathrow Airport to North America from £250

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to North America

Enter your travel dates to find the best prices.

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 12 May 2026.

Fri 23/1008:00
LHR
-
YYZ
1 stop18h 05m
TAP AIR PORTUGAL
Mon 2/1122:45
YYZ
-
LHR
1 stop18h 55m
TAP AIR PORTUGAL
Deal found 7/5£417
Sun 8/1106:00
LHR
-
YYZ
1 stop13h 40m
TAP AIR PORTUGAL
Thu 19/1117:30
YYZ
-
LHR
1 stop12h 55m
TAP AIR PORTUGAL
Deal found 8/5£419
Mon 6/709:30
LHR
-
YYZ
1 stop14h 42m
Air Canada
Tue 21/720:15
YYZ
-
LHR
Nonstop7h 20m
Air Canada
Deal found 11/5£420
Wed 25/1118:30
LHR
-
YYZ
1 stop25h 15m
TAP AIR PORTUGAL
Sun 29/1122:45
YYZ
-
LHR
1 stop13h 45m
TAP AIR PORTUGAL
Deal found 11/5£420
Sat 13/614:10
LHR
-
YYZ
1 stop21h 16m
Air Canada
Sun 14/615:00
YYZ
-
LHR
1 stop13h 20m
Air Canada
Deal found 7/5£421
Mon 28/918:45
LHR
-
YYZ
1 stop24h 15m
TAP AIR PORTUGAL
Mon 5/1022:55
YYZ
-
LHR
1 stop14h 55m
TAP AIR PORTUGAL
Deal found 9/5£422
Thu 11/614:05
LHR
-
YYZ
1 stop10h 53m
Air Canada
Sun 13/906:40
YYZ
-
LHR
1 stop9h 20m
Air Canada
Deal found 11/5£422
Thu 8/1013:45
LHR
-
YYZ
1 stop12h 40m
TAP AIR PORTUGAL
Mon 12/1022:55
YYZ
-
LHR
1 stop14h 55m
TAP AIR PORTUGAL
Deal found 11/5£423
Fri 6/1108:15
LHR
-
YYZ
1 stop18h 00m
TAP AIR PORTUGAL
Fri 27/1122:45
YYZ
-
LHR
1 stop17h 50m
TAP AIR PORTUGAL
Deal found 8/5£425
Sun 20/917:10
LHR
-
YYZ
Nonstop8h 05m
British Airways
Sat 26/922:00
YYZ
-
LHR
Nonstop7h 15m
British Airways
Deal found 7/5£425
Fri 25/906:00
LHR
-
YYZ
1 stop20h 05m
TAP AIR PORTUGAL
Mon 5/1022:55
YYZ
-
LHR
1 stop18h 05m
TAP AIR PORTUGAL
Deal found 8/5£426
Fri 25/912:00
LHR
-
YYZ
1 stop14h 05m
TAP AIR PORTUGAL
Sun 11/1022:55
YYZ
-
LHR
1 stop19h 00m
TAP AIR PORTUGAL
Deal found 11/5£427

Find flight deals from Heathrow to North America

Keep the following information in mind while searching for Heathrow to North America flight deals. Data was last updated 12 May 2026.

Round-trip from

£417

One-way from

£250

Popular in

July

Cheapest in

September

Average price

£430

Good round-trip deal

£451 or less

Good one-way deal

£341 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 23/10-2/11
  • 2 total stops
  • 37h 00m total
  • London to North America
Search Deals
16/6
  • 16/6
  • 3 total stops
  • 25h 10m total
  • London to North America
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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

 
Customise your flight search to find flights from Heathrow to North America that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 May 2026.
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 - YYZ

LHRYYZ

London Heathrow

Fri 12/6

12:15-23:54

1 stop16h 39m

Toronto Pearson Intl

Sat 13/6

20:10-21:20

2 stops20h 10m

£447

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Fri 29/5

07:05-15:40

1 stop13h 35m

New York John F Kennedy Intl

Fri 5/6

18:55-14:35

2 stops14h 40m

£468

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 10/9

21:05-15:40

2 stops23h 35m

New York John F Kennedy Intl

Thu 17/9

18:55-17:40

1 stop17h 45m

£469

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 7/10

06:00-14:45

1 stop13h 45m

Boston Logan Intl

Wed 21/10

22:45-15:35

1 stop11h 50m

£485

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 18/9

07:30-22:23

2 stops19h 53m

Toronto Pearson Intl

Fri 25/9

15:00-07:15

1 stop11h 15m

£505

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 22/8

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Sat 12/9

16:00-13:05

1 stop13h 05m

£505

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 10/9

17:45-20:35

Nonstop7h 50m

Toronto Pearson Intl

Tue 22/9

22:55-11:10

Nonstop7h 15m

£508

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 7/11

06:30-11:50

1 stop13h 20m

San Francisco

Sat 14/11

06:15-07:05

1 stop16h 50m

£510

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 22/8

08:40-14:45

1 stop14h 05m

Los Angeles Los Angeles

Tue 23/3

13:15-10:00

1 stop13h 45m

£511

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/8

10:30-13:50

Nonstop11h 20m

Los Angeles Los Angeles

Wed 26/8

13:30-10:30

1 stop13h 00m

£514

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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.
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

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 20 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 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 £483). Flying from London Heathrow Airport to North America in December is currently the most expensive (average of £631). 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?

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 12 May 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 in the morning, which can drop the price by up to 10% versus a flight in the evening.

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 9 May 2026.

Travellers seeking maximum savings on their London Heathrow Airport to North America flight should consider departing on Wednesday evenings 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.

Weekly flight availability from London Heathrow Airport to North America

Explore weekly flight availability from Heathrow to North America. 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 12 May 2026.

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

Reviews of airlines servicing North America

Get insights into the airlines that provide service to North America. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to North America. Reviews last updated 12 May 2026.
Read reviews from past customers who have flown with United Airlines,Virgin Atlantic, 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.
United Airlines
7.4
Good
9,701 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
9,701 reviews
United Airlines
7.4
Good
9,701 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,701 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Air Canada
7.1
Good
11,022 reviews
United Airlines
7.4
Good
9,701 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Lufthansa
6.8
Okay
7,993 reviews
United Airlines
7.4
Good
9,701 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
British Airways
6.7
Okay
7,974 reviews
United Airlines
7.4
Good
9,701 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Related info for your journey

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

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

    Airlines like United Airlines, Scandinavian Airlines, and TAP AIR PORTUGAL fly from London Heathrow Airport to North America in about 13h 35m. The time it takes to get you to your destination can typically vary by up to 3h 04m. London Heathrow Airport and North America are separated by a distance of 3440 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 Norse Atlantic UK (£137), WestJet (£168), and KLM (£179).

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

    While some choose either London Heathrow - New York John F Kennedy Intl or London Heathrow - Vancouver Intl, London Heathrow - Newark 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: Malaysia Airlines (91%), Royal Jordanian (90%), Fiji Airways (89%).

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

    Looking at all options, your cheapest flight can be booked for £456. While the most popular route (London Heathrow - Newark) can be booked for £350 on average, our data indicates £2,152 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 £483). Flying from London Heathrow Airport to North America in December is currently the most expensive (average of £631). 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

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Alternative routes for Heathrow to North America

See prices for flight routes from nearby airports that may be better suited for you.
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Stansted to Athens flights
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Gatwick to Pearson Intl flights
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Heathrow to Lisbon flights
Stansted to Dubai flights
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Gatwick to Dubai flights
Gatwick to Leonardo da Vinci/Fiumicino flights

Top 10 airlines flying from Heathrow to North America

Discover the top 10 airlines that operate flights from Heathrow to North America. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest£73Average£110FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Air CanadaCheapest£115Average£515FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest£146Average£607FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Norse Atlantic UKCheapest£273Average£462FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£288Average£374FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IcelandairCheapest£293Average£476FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£295Average£510FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£297Average£467FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£298Average£675FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
JetBlueCheapest£320Average£551FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

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 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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