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 were last updated today.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

$527 Cheap Flights from London Heathrow Airport to Allentown in 2025/26

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Find the cheapest flights from London Heathrow Airport to Allentown

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:40 am - 10:11 pmLHR-ABE

17h 31m2 stops

2:00 pm - 9:00 amABE-LHR

14h 00m1 stop

$823KLM

Find Deal

Wed, Dec 17 - Wed, Dec 24

7:25 am - 4:47 pmLHR-ABE

14h 22m1 stop

1:00 pm - 5:55 amABE-LHR

11h 55m1 stop

$951United Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 9

7:40 am - 1:55 pmLHR-ABE

35h 15m1 stop

5:07 pm - 11:15 amABE-LHR

13h 08m1 stop

$1,036United Airlines

Find Deal

Wed, Dec 17 - Wed, Dec 24

9:00 am - 9:46 pmLHR-ABE

17h 46m2 stops

5:07 pm - 6:30 amABE-LHR

32h 23m2 stops

$1,049United Airlines

Find Deal

Wed, Dec 17 - Wed, Dec 24

2:45 pm - 12:14 amLHR-ABE

13h 29m1 stop

1:48 pm - 7:45 amABE-LHR

12h 57m2 stops

$1,069American Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

2:45 pm - 12:14 amLHR-ABE

13h 29m1 stop

1:48 pm - 6:55 amABE-LHR

12h 07m1 stop

$1,070American Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

8:55 am - 5:14 pmLHR-ABE

13h 19m1 stop

12:49 pm - 11:40 amABE-LHR

17h 51m1 stop

$1,174Virgin Atlantic

Find Deal

Fri, Dec 19 - Fri, Dec 26

10:45 am - 10:11 pmLHR-ABE

16h 26m1 stop

6:04 pm - 7:05 amABE-LHR

32h 01m2 stops

$1,278Multiple Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

6:30 am - 10:46 pmLHR-ABE

45h 16m2 stops

6:04 pm - 7:05 amABE-LHR

32h 01m2 stops

$1,390Multiple Airlines

Find Deal

Fri, Dec 19 - Fri, Dec 26

8:55 am - 5:14 pmLHR-ABE

13h 19m1 stop

5:58 pm - 11:40 amABE-LHR

12h 42m1 stop

$2,258Delta

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Sat, Dec 13 - Fri, Jan 9

United Airlines flights from London Heathrow Airport to Allentown

Our best United Airlines deals on London Heathrow Airport to Allentown flight tickets

United Airlines

Dec 2

LHR7:25 amLondon Heathrow

14h 22m

1 stop

ABE4:47 pmAllentown-Bethlehem

Dec 9

ABE1:00 pmAllentown-Bethlehem

11h 55m

1 stop

LHR5:55 amLondon Heathrow

$951

Find similar

United Airlines

Dec 17

LHR7:40 amLondon Heathrow

35h 15m

1 stop

ABE1:55 pmAllentown-Bethlehem

Dec 24

ABE5:07 pmAllentown-Bethlehem

13h 08m

1 stop

LHR11:15 amLondon Heathrow

$1,036

Find similar

United Airlines

Dec 17

LHR9:00 amLondon Heathrow

17h 46m

2 stops

ABE9:46 pmAllentown-Bethlehem

Dec 24

ABE5:07 pmAllentown-Bethlehem

32h 23m

2 stops

LHR6:30 amLondon Heathrow

$1,049

Find similar

American Airlines flights from London Heathrow Airport to Allentown

Our best American Airlines deals on London Heathrow Airport to Allentown flight tickets

American Airlines

Mar 27

LHR2:45 pmLondon Heathrow

13h 29m

1 stop

ABE12:14 amAllentown-Bethlehem

Mar 31

ABE1:48 pmAllentown-Bethlehem

12h 57m

2 stops

LHR7:45 amLondon Heathrow

$1,069

Find similar

American Airlines

Mar 27

LHR2:45 pmLondon Heathrow

13h 29m

1 stop

ABE12:14 amAllentown-Bethlehem

Mar 31

ABE1:48 pmAllentown-Bethlehem

12h 07m

1 stop

LHR6:55 amLondon Heathrow

$1,070

Find similar

momondo Fare Finder

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 12/17

9:40 am-10:11 pm

2 stops17h 31m

Allentown-Bethlehem

Wed 12/24

2:00 pm-9:00 am

1 stop14h 00m

$823

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 12/2

7:25 am-4:47 pm

1 stop14h 22m

Allentown-Bethlehem

Tue 12/9

1:00 pm-5:55 am

1 stop11h 55m

$951

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 12/17

7:40 am-1:55 pm

1 stop35h 15m

Allentown-Bethlehem

Wed 12/24

5:07 pm-11:15 am

1 stop13h 08m

$1,036

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 12/17

9:00 am-9:46 pm

2 stops17h 46m

Allentown-Bethlehem

Wed 12/24

5:07 pm-6:30 am

2 stops32h 23m

$1,049

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 3/27

2:45 pm-12:14 am

1 stop13h 29m

Allentown-Bethlehem

Tue 3/31

1:48 pm-7:45 am

2 stops12h 57m

$1,069

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 3/27

2:45 pm-12:14 am

1 stop13h 29m

Allentown-Bethlehem

Tue 3/31

1:48 pm-6:55 am

1 stop12h 07m

$1,070

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 12/19

8:55 am-5:14 pm

1 stop13h 19m

Allentown-Bethlehem

Fri 12/26

12:49 pm-11:40 am

1 stop17h 51m

$1,174

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 12/19

10:45 am-10:11 pm

1 stop16h 26m

Allentown-Bethlehem

Fri 12/26

6:04 pm-7:05 am

2 stops32h 01m

$1,278

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 12/19

6:30 am-10:46 pm

2 stops45h 16m

Allentown-Bethlehem

Fri 12/26

6:04 pm-7:05 am

2 stops32h 01m

$1,390

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 12/13

8:55 am-5:14 pm

1 stop13h 19m

Allentown-Bethlehem

Fri 1/9

5:58 pm-11:40 am

1 stop12h 42m

$2,258

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

What airlines fly to Allentown?

British Airways, United Airlines and Lufthansa 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 44% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 11 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 round-trip 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

Direct flights	None

There are no direct flights from London Heathrow Airport to Allentown. There are no popular flight routes from London Heathrow Airport to Allentown.

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How far is London Heathrow to Allentown-Bethlehem by plane?
Allentown-Bethlehem is 3510.6 mi away from London Heathrow. Typically, this will take 13h 12m by plane in normal conditions.
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 were last updated today.
How old do you have to be to fly from London Heathrow Airport to Allentown-Bethlehem Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

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Why use momondo?

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

It is quick and easy to find London to Allentown flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Allentown that suits you.

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

Yes. momondo enables you to select and highlight flights to Allentown from London with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Allentown.

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

If you are not ready to book a flight from London to Allentown now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Allentown and let you know when they change.