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Cheap flights from London Heathrow Airport to New York from £425

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 New York departing on 17/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Heathrow Airport to New York

Cheap return flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
13:25 - 22:52
LHR
-
ABE
14h 27m
1 stop
Virgin Atlantic Logo
17:59 - 13:15
ABE
-
LHR
14h 16m
1 stop
£616Virgin Atlantic
Wed, 8 Apr - Wed, 15 Apr
Virgin Atlantic Logo
11:15 - 23:00
LHR
-
ABE
16h 45m
1 stop
Virgin Atlantic Logo
17:59 - 13:15
ABE
-
LHR
14h 16m
1 stop
£617Virgin Atlantic
Sat, 18 Apr - Mon, 20 Apr
Delta Logo
08:40 - 22:52
LHR
-
ABE
19h 12m
2 stops
Delta Logo
12:52 - 12:05
ABE
-
LHR
18h 13m
2 stops
£632Delta
Wed, 8 Apr - Wed, 15 Apr
Delta Logo
10:45 - 22:52
LHR
-
ABE
17h 07m
2 stops
Delta Logo
06:33 - 10:20
ABE
-
LHR
22h 47m
2 stops
£645Delta
Tue, 7 Apr - Tue, 14 Apr
Delta Logo
11:15 - 23:00
LHR
-
ABE
16h 45m
1 stop
Delta Logo
06:33 - 10:20
ABE
-
LHR
22h 47m
2 stops
£646Delta
Sat, 18 Apr - Mon, 20 Apr
Virgin Atlantic Logo
19:20 - 22:56
LHR
-
ABE
31h 36m
2 stops
Virgin Atlantic Logo
12:51 - 07:50
ABE
-
LHR
38h 59m
2 stops
£648Virgin Atlantic
Tue, 10 Mar - Sat, 14 Mar
American Airlines Logo
09:15 - 23:28
LHR
-
ABE
19h 13m
1 stop
American Airlines Logo
12:57 - 09:05
ABE
-
LHR
15h 08m
1 stop
£652American Airlines
Tue, 7 Apr - Tue, 14 Apr
Virgin Atlantic Logo
12:30 - 22:56
LHR
-
ABE
14h 26m
1 stop
Virgin Atlantic Logo
17:58 - 06:25
ABE
-
LHR
32h 27m
1 stop
£656Virgin Atlantic
Tue, 10 Mar - Sat, 14 Mar
Delta Logo
06:30 - 22:52
LHR
-
ABE
21h 22m
2 stops
Delta Logo
06:33 - 06:20
ABE
-
LHR
18h 47m
2 stops
£662Delta
Thu, 9 Apr - Thu, 16 Apr
Delta Logo
13:25 - 22:52
LHR
-
ABE
14h 27m
1 stop
Delta Logo
06:33 - 06:45
ABE
-
LHR
19h 12m
2 stops
£676Delta
Thu, 9 Apr - Thu, 16 Apr

American Airlines flights from London Heathrow Airport to Allentown

Our best American Airlines deals on London Heathrow Airport to Allentown flight tickets
American Airlines
7 Apr
LHR09:15London Heathrow
19h 13m
1 stop
ABE23:28Allentown-Bethlehem
14 Apr
ABE12:57Allentown-Bethlehem
15h 08m
1 stop
LHR09:05London Heathrow
£652
American Airlines
9 Apr
LHR16:55London Heathrow
12h 27m
1 stop
ABE00:22Allentown-Bethlehem
16 Apr
ABE12:00Allentown-Bethlehem
16h 05m
1 stop
LHR09:05London Heathrow
£682

Delta flights from London Heathrow Airport to Allentown

Our best Delta deals on London Heathrow Airport to Allentown flight tickets
Delta
8 Apr
LHR08:40London Heathrow
19h 12m
2 stops
ABE22:52Allentown-Bethlehem
15 Apr
ABE12:52Allentown-Bethlehem
18h 13m
2 stops
LHR12:05London Heathrow
£632
Delta
7 Apr
LHR13:25London Heathrow
27h 51m
1 stop
ABE12:16Allentown-Bethlehem
14 Apr
ABE12:52Allentown-Bethlehem
18h 13m
2 stops
LHR12:05London Heathrow
£645
Delta
18 Apr
LHR11:15London Heathrow
16h 45m
1 stop
ABE23:00Allentown-Bethlehem
20 Apr
ABE06:33Allentown-Bethlehem
22h 47m
2 stops
LHR10:20London Heathrow
£646

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Allentown 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 24 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 8/4

13:25-22:52

1 stop14h 27m

Allentown-Bethlehem

Wed 15/4

17:59-13:15

1 stop14h 16m

£616

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 18/4

11:15-23:00

1 stop16h 45m

Allentown-Bethlehem

Mon 20/4

17:59-13:15

1 stop14h 16m

£617

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 8/4

08:40-22:52

2 stops19h 12m

Allentown-Bethlehem

Wed 15/4

12:52-12:05

2 stops18h 13m

£632

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 7/4

10:45-22:52

2 stops17h 07m

Allentown-Bethlehem

Tue 14/4

06:33-10:20

2 stops22h 47m

£645

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 18/4

11:15-23:00

1 stop16h 45m

Allentown-Bethlehem

Mon 20/4

06:33-10:20

2 stops22h 47m

£646

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 10/3

19:20-22:56

2 stops31h 36m

Allentown-Bethlehem

Sat 14/3

12:51-07:50

2 stops38h 59m

£648

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 7/4

09:15-23:28

1 stop19h 13m

Allentown-Bethlehem

Tue 14/4

12:57-09:05

1 stop15h 08m

£652

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 10/3

12:30-22:56

1 stop14h 26m

Allentown-Bethlehem

Sat 14/3

17:58-06:25

1 stop32h 27m

£656

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 9/4

06:30-22:52

2 stops21h 22m

Allentown-Bethlehem

Thu 16/4

06:33-06:20

2 stops18h 47m

£662

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 9/4

13:25-22:52

1 stop14h 27m

Allentown-Bethlehem

Thu 16/4

06:33-06:45

2 stops19h 12m

£676

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from London Heathrow Airport to Allentown

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 airline that flies from London Heathrow to Allentown-Bethlehem?

Delta and United Airlines are the most popular carriers operating from London Heathrow to Allentown-Bethlehem

Which airlines fly to Allentown?

British Airways, Lufthansa and United Airlines are the top three most popular airlines that fly to Allentown from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Allentown. Keep in mind that there are 16 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

When to book flights from London Heathrow Airport to Allentown

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Allentown according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Allentown (LHR to ABE) flight deals and tips

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

Fastest flight time

12h 57m

Direct flights

None
The fastest flight from London Heathrow Airport to Allentown takes 12h 57m
There are no direct flights from London Heathrow Airport to Allentown. There are no popular flight routes from London Heathrow Airport to Allentown.
Search flight deals

  • How far is London Heathrow to Allentown-Bethlehem by plane?

    A flight from London Heathrow to Allentown-Bethlehem will travel around 3510.6 mi. Flights usually cover this in 12h 57m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Allentown-Bethlehem Airport?

    Prices for flights from London Heathrow Airport to Allentown-Bethlehem Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Heathrow Airport to Allentown-Bethlehem Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Allentown-Bethlehem Airport.

  • What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

    The travel and health documents you'll need for your trip to Allentown-Bethlehem Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Allentown-Bethlehem Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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 Allentown for you.

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

Yes. momondo allows you to filter the results for London to Allentown flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Allentown?

Once all potential London to Allentown 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 Allentown right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Allentown flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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