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Cheap flights from London Heathrow Airport to North America from £208

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to North America departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to North America

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
20:35 - 20:35
LHR
-
MCO
29h 00m
1 stop
Icelandair Logo
18:50 - 19:30
MCO
-
LHR
20h 40m
1 stop
£307Icelandair
Fri, 6 Mar - Thu, 26 Mar
Icelandair Logo
12:15 - 20:35
LHR
-
MCO
13h 20m
1 stop
Icelandair Logo
18:50 - 10:50
MCO
-
LHR
12h 00m
1 stop
£308Icelandair
Fri, 27 Feb - Mon, 9 Mar
Air Canada Logo
13:00 - 20:59
LHR
-
YYC
14h 59m
1 stop
Air Canada Logo
09:40 - 06:30
YYC
-
LHR
13h 50m
1 stop
£327Air Canada
Tue, 24 Feb - Sun, 1 Mar
Lufthansa Logo
07:40 - 15:15
LHR
-
LAX
15h 35m
1 stop
Lufthansa Logo
19:00 - 13:30
LAX
-
LHR
10h 30mdirect
£348Lufthansa
Fri, 20 Feb - Tue, 3 Mar
United Airlines Logo
12:05 - 18:41
LHR
-
LGA
11h 36m
1 stop
United Airlines Logo
14:59 - 06:40
LGA
-
LHR
11h 41m
1 stop
£349United Airlines
Thu, 5 Mar - Mon, 9 Mar
Lufthansa Logo
06:35 - 15:15
LHR
-
LAX
16h 40m
1 stop
Lufthansa Logo
20:00 - 13:30
LAX
-
LHR
10h 30mdirect
£350Lufthansa
Sat, 7 Mar - Sat, 14 Mar
British Airways Logo
11:00 - 13:55
LHR
-
EWR
7h 55mdirect
British Airways Logo
21:25 - 09:30
EWR
-
LHR
7h 05mdirect
£350British Airways
Sat, 9 May - Mon, 11 May
British Airways Logo
16:35 - 19:25
LHR
-
EWR
7h 50mdirect
British Airways Logo
21:25 - 09:30
EWR
-
LHR
7h 05mdirect
£351British Airways
Fri, 8 May - Tue, 12 May
United Airlines Logo
09:00 - 16:35
LHR
-
LAX
15h 35m
1 stop
United Airlines Logo
10:54 - 12:20
LAX
-
LHR
17h 26m
1 stop
£352United Airlines
Thu, 19 Feb - Wed, 6 May
Air Canada Logo
14:05 - 19:31
LHR
-
LGA
10h 26m
1 stop
Air Canada Logo
15:30 - 08:35
LGA
-
LHR
12h 05m
1 stop
£411Air Canada
Fri, 10 Apr - Mon, 13 Apr

Lufthansa flights from London Heathrow Airport to North America

Our best Lufthansa deals on London Heathrow Airport to North America flight tickets
Lufthansa
20 Feb
LHR07:40London Heathrow
15h 35m
1 stop
LAX15:15Los Angeles
23 Feb
LAX19:00Los Angeles
10h 30m
LHR13:30London Heathrow
£346
Lufthansa
20 Feb
LHR11:10London Heathrow
14h 44m
1 stop
YYC18:54Calgary
23 Feb
YYC16:30Calgary
12h 20m
1 stop
LHR11:50London Heathrow
£347
Lufthansa
20 Feb
LHR07:40London Heathrow
15h 35m
1 stop
LAX15:15Los Angeles
3 Mar
LAX19:00Los Angeles
10h 30m
LHR13:30London Heathrow
£348

SWISS flights from London Heathrow Airport to North America

Our best SWISS deals on London Heathrow Airport to North America flight tickets
SWISS
20 Feb
LHR09:00London Heathrow
15h 35m
1 stop
LAX16:35Los Angeles
23 Feb
LAX19:10Los Angeles
14h 40m
1 stop
LHR17:50London Heathrow
£350
SWISS
19 Feb
LHR09:00London Heathrow
15h 35m
1 stop
LAX16:35Los Angeles
25 Feb
LAX11:35Los Angeles
20h 45m
2 stops
LHR16:20London Heathrow
£352
SWISS
6 Mar
LHR09:00London Heathrow
12h 40m
1 stop
JFK16:40New York John F Kennedy Intl
15 Mar
JFK22:00New York John F Kennedy Intl
17h 15m
1 stop
LHR19:15London Heathrow
£361

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 8 February 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

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Fri 6/3

20:35-20:35

1 stop29h 00m

Orlando

Thu 26/3

18:50-19:30

1 stop20h 40m

£307

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Fri 27/2

12:15-20:35

1 stop13h 20m

Orlando

Mon 9/3

18:50-10:50

1 stop12h 00m

£308

LondonCalgary

LHR - YYC

LHRYYC

London Heathrow

Tue 24/2

13:00-20:59

1 stop14h 59m

Calgary

Sun 1/3

09:40-06:30

1 stop13h 50m

£327

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 20/2

07:40-15:15

1 stop15h 35m

Los Angeles

Tue 3/3

19:00-13:30

Nonstop10h 30m

£348

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 5/3

12:05-18:41

1 stop11h 36m

New York LaGuardia

Mon 9/3

14:59-06:40

1 stop11h 41m

£349

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 7/3

06:35-15:15

1 stop16h 40m

Los Angeles

Sat 14/3

20:00-13:30

Nonstop10h 30m

£350

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sat 9/5

11:00-13:55

Nonstop7h 55m

Newark

Mon 11/5

21:25-09:30

Nonstop7h 05m

£350

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 8/5

16:35-19:25

Nonstop7h 50m

Newark

Tue 12/5

21:25-09:30

Nonstop7h 05m

£351

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 19/2

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 6/5

10:54-12:20

1 stop17h 26m

£352

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 10/4

14:05-19:31

1 stop10h 26m

New York LaGuardia

Mon 13/4

15:30-08:35

1 stop12h 05m

£411

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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How to get the cheapest flight ticket from London Heathrow Airport to North America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to North America?

In general, March is the cheapest month to fly from London Heathrow Airport to North America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £371. The month of September is another great option to travel to North America, with average flight prices from London Heathrow Airport averaging around £372.

What is the cheapest day to depart on your flight to North America?

The cheapest day to depart from London Heathrow Airport to North America is on a Thursday when prices can be found for as low as £462. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £528. These prices are subject to change though, so be sure to set up a Price Alert for flights to North America.

What is the cheapest time of day to depart on your flight to North America?

Our data shows that the cheapest London Heathrow Airport to North America flights are usually those with departure times in the afternoon. Our users have found flights to North America in the afternoon for as low as £479. Flights in the evening are often more expensive, with an average ticket price of £567.

What is the cheapest London Heathrow to North America flight route?

Fly from London Heathrow to Boston Logan Intl for the best London Heathrow - North America flight prices

How far in advance should I book a flight to North America?

You are more likely to see cheaper flights to North America from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to North America for around £431 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to North America from London Heathrow Airport for as low as £388 on momondo.

What cabin class options are available on London Heathrow to North America flights?

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

Can stopping save me money on London Heathrow Airport to North America flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to North America.

Cheap London Heathrow Airport to North America flight deals and tips

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

Best price found

£286

Fastest flight time

6h 40m

Direct flights

Every day

Airports in North America

5,162 airports
The best one-way flight to North America from London Heathrow Airport in the past 72 hours is £286. The best return flight deal from London Heathrow Airport to North America found on momondo in the last 72 hours is £364.
The fastest flight from London Heathrow Airport to North America takes 6h 40m
Direct flights go from London Heathrow Airport to North America every day.
There are 5,162 airports in North America. From London Heathrow Airport there are direct flights to Newark (EWR), Toronto Pearson Intl (YYZ), New York John F Kennedy Intl (JFK).
Search flight deals

  • When did momondo last update prices for flights from London Heathrow Airport to North America?

    Prices for flights from London Heathrow Airport to North America are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to North America?

  • How old do you have to be to fly from London Heathrow Airport to North America?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to North America.

  • What documentation or ID do you need to fly to North America?

    The travel and health documents required for your trip to North America can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at North America. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London Heathrow Airport to North America?

Best airlines flying from London Heathrow Airport to North America

Compare and see reviews for airlines that fly from London Heathrow Airport to North America with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom £145Free CancellationRating
7.9
8,173 reviews
Search Delta flights
JetBluePriceFrom £205Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
Air CanadaPriceFrom £213Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
TAP AIR PORTUGALPriceFrom £234Free CancellationRating
7.1
2,135 reviews
Search TAP AIR PORTUGAL flights
Norse Atlantic UKPriceFrom £273Free CancellationRating
7.3
52 reviews
Search Norse Atlantic UK flights
SWISSPriceFrom £273Free CancellationRating
7.6
1,867 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom £280Free CancellationRating
7.3
1,678 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom £291Free CancellationRating
7.4
9,257 reviews
Search United Airlines flights
IcelandairPriceFrom £293Free CancellationRating
7.1
606 reviews
Search Icelandair flights
Aer LingusPriceFrom £300Free CancellationRating
7.2
1,446 reviews
Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from London to North America?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to North America for you.

Can I find flights from London to North America with flexible booking policies on momondo?

Yes. All flights to North America from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to North America?

Once all potential London to North America flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to North America, momondo offers a useful price alert feature which will track prices for flights to North America from London and alert you when they change.

An easier way to manage your North America trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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Find better results for your trip to North America

Popular Cities in North America

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