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.

$728 Cheap Flights from London Heathrow Airport to Allentown in 2026/27

Find the cheapest flights from London Heathrow Airport to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 11:57 pmLHR London Heathrow-ABE Allentown-Bethlehem

13h 17m1 stop Chicago O'Hare Intl

5:30 am - 11:35 amABE Allentown-Bethlehem-LHR London Heathrow

25h 05m1 stop Chicago O'Hare Intl

$956Multiple Airlines

Wed, Dec 2 - Wed, Dec 9

5:15 pm - 12:17 pmLHR London Heathrow-ABE Allentown-Bethlehem

24h 02m2 stops Toronto Pearson Intl Charlotte Douglas

12:52 pm - 9:40 amABE Allentown-Bethlehem-LHR London Heathrow

15h 48m1 stop Charlotte Douglas

$964British Airways

Tue, Dec 1 - Tue, Dec 8

10:00 am - 10:27 pmLHR London Heathrow-ABE Allentown-Bethlehem

17h 27m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

12:50 pm - 11:40 amABE Allentown-Bethlehem-LHR London Heathrow

17h 50m1 stop Atlanta Hartsfield-Jackson

$965Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

8:55 am - 5:13 pmLHR London Heathrow-ABE Allentown-Bethlehem

13h 18m1 stop Atlanta Hartsfield-Jackson

12:50 pm - 7:50 amABE Allentown-Bethlehem-LHR London Heathrow

14h 00m1 stop Atlanta Hartsfield-Jackson

$975Air France

Tue, Dec 1 - Tue, Dec 8

8:55 am - 5:13 pmLHR London Heathrow-ABE Allentown-Bethlehem

13h 18m1 stop Atlanta Hartsfield-Jackson

5:58 pm - 11:40 amABE Allentown-Bethlehem-LHR London Heathrow

12h 42m1 stop Atlanta Hartsfield-Jackson

$979Virgin Atlantic

Tue, Dec 1 - Tue, Dec 8

9:40 am - 10:27 pmLHR London Heathrow-ABE Allentown-Bethlehem

17h 47m2 stops Boston Logan Intl Atlanta Hartsfield-Jackson

6:39 am - 6:50 amABE Allentown-Bethlehem-LHR London Heathrow

19h 11m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

$981Virgin Atlantic

Tue, Dec 1 - Tue, Dec 8

11:45 am - 12:17 amLHR London Heathrow-ABE Allentown-Bethlehem

17h 32m1 stop Charlotte Douglas

12:52 pm - 7:20 amABE Allentown-Bethlehem-LHR London Heathrow

13h 28m1 stop Charlotte Douglas

$988American Airlines

Tue, Dec 1 - Tue, Dec 8

6:30 am - 10:27 pmLHR London Heathrow-ABE Allentown-Bethlehem

20h 57m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

6:39 am - 7:05 amABE Allentown-Bethlehem-LHR London Heathrow

19h 26m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$991Delta

Tue, Dec 1 - Tue, Dec 8

10:00 am - 10:27 pmLHR London Heathrow-ABE Allentown-Bethlehem

17h 27m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

6:39 am - 7:45 amABE Allentown-Bethlehem-LHR London Heathrow

20h 06m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$992Delta

Wed, Dec 2 - Wed, Dec 9

9:00 am - 9:28 amLHR London Heathrow-ABE Allentown-Bethlehem

29h 28m2 stops Zurich Chicago O'Hare Intl

6:00 am - 5:55 amABE Allentown-Bethlehem-LHR London Heathrow

18h 55m1 stop Chicago O'Hare Intl

$1,005United Airlines

Wed, Dec 2 - Wed, Dec 9

Cheap last minute flights

Enter your travel dates to find the best prices.

8:45 am - 9:35 amLHR London Heathrow-ABE Allentown-Bethlehem

29h 50m2 stops Zurich Chicago O'Hare Intl

6:15 am - 7:55 amABE Allentown-Bethlehem-LHR London Heathrow

21h 40m1 stop Chicago O'Hare Intl

$1,438United Airlines

Thu, Oct 22 - Tue, Oct 27

7:25 am - 9:00 pmLHR London Heathrow-ABE Allentown-Bethlehem

18h 35m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

6:15 am - 5:55 amABE Allentown-Bethlehem-LHR London Heathrow

19h 40m1 stop Chicago O'Hare Intl

$1,445United Airlines

Fri, Oct 23 - Thu, Oct 29

8:00 am - 9:35 amLHR London Heathrow-ABE Allentown-Bethlehem

30h 35m1 stop Chicago O'Hare Intl

6:15 am - 5:55 amABE Allentown-Bethlehem-LHR London Heathrow

19h 40m1 stop Chicago O'Hare Intl

$1,458United Airlines

Fri, Oct 23 - Thu, Oct 29

8:45 am - 9:35 amLHR London Heathrow-ABE Allentown-Bethlehem

29h 50m2 stops Zurich Chicago O'Hare Intl

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

14h 24m1 stop Chicago O'Hare Intl

$1,544United Airlines

Thu, Oct 22 - Fri, Oct 30

12:15 pm - 9:35 amLHR London Heathrow-ABE Allentown-Bethlehem

26h 20m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

14h 24m1 stop Chicago O'Hare Intl

$1,564United Airlines

Fri, Oct 23 - Fri, Oct 30

8:00 am - 9:00 pmLHR London Heathrow-ABE Allentown-Bethlehem

18h 00m1 stop Chicago O'Hare Intl

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

14h 24m1 stop Chicago O'Hare Intl

$1,623United Airlines

Sat, Oct 24 - Wed, Oct 28

11:05 am - 9:35 amLHR London Heathrow-ABE Allentown-Bethlehem

27h 30m1 stop Chicago O'Hare Intl

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

14h 24m1 stop Chicago O'Hare Intl

$1,663United Airlines

Thu, Oct 22 - Sat, Oct 31

8:00 am - 9:00 pmLHR London Heathrow-ABE Allentown-Bethlehem

18h 00m1 stop Chicago O'Hare Intl

5:36 pm - 12:00 pmABE Allentown-Bethlehem-LHR London Heathrow

14h 24m1 stop Chicago O'Hare Intl

$1,729United Airlines

Sat, Oct 24 - Fri, Oct 30

1:25 pm - 10:19 pmLHR London Heathrow-ABE Allentown-Bethlehem

13h 54m1 stop Atlanta Hartsfield-Jackson

2:30 pm - 9:00 amABE Allentown-Bethlehem-LHR London Heathrow

14h 30m1 stop Atlanta Hartsfield-Jackson

$1,762Delta

Sat, Oct 24 - Sat, Oct 31

6:15 am - 5:16 pmLHR London Heathrow-ABE Allentown-Bethlehem

16h 01m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

6:03 pm - 12:05 pmABE Allentown-Bethlehem-LHR London Heathrow

14h 02m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

$4,104Delta

Sat, Oct 24 - Fri, Oct 30

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

LHR9:00 amLondon Heathrow

29h 28m

2 stops

ABE9:28 amAllentown-Bethlehem

Dec 9

ABE6:00 amAllentown-Bethlehem

18h 55m

1 stop

LHR5:55 amLondon Heathrow

$1,005

United Airlines

Dec 2

LHR6:35 amLondon Heathrow

19h 47m

2 stops

ABE9:22 pmAllentown-Bethlehem

Dec 10

ABE10:05 amAllentown-Bethlehem

14h 50m

1 stop

LHR5:55 amLondon Heathrow

$1,011

United Airlines

Nov 11

LHR6:35 amLondon Heathrow

19h 27m

2 stops

ABE9:02 pmAllentown-Bethlehem

Nov 15

ABE5:36 pmAllentown-Bethlehem

36h 39m

2 stops

LHR11:15 amLondon Heathrow

$1,019

Delta flights from London Heathrow Airport to Allentown

Our best Delta deals on London Heathrow Airport to Allentown flight tickets

Delta

Dec 1

LHR6:30 amLondon Heathrow

20h 57m

2 stops

ABE10:27 pmAllentown-Bethlehem

Dec 8

ABE6:39 amAllentown-Bethlehem

19h 26m

2 stops

LHR7:05 amLondon Heathrow

$991

Delta

Dec 2

LHR10:00 amLondon Heathrow

17h 27m

2 stops

ABE10:27 pmAllentown-Bethlehem

Dec 9

ABE6:39 amAllentown-Bethlehem

20h 06m

2 stops

LHR7:45 amLondon Heathrow

$992

Delta

Oct 24

LHR1:25 pmLondon Heathrow

13h 54m

1 stop

ABE10:19 pmAllentown-Bethlehem

Oct 31

ABE2:30 pmAllentown-Bethlehem

14h 30m

1 stop

LHR9:00 amLondon Heathrow

$1,762

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

Cheapest round-trip

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 12/2

3:40 pm-11:57 pm

1 stop13h 17m

Allentown-Bethlehem

Wed 12/9

5:30 am-11:35 am

1 stop25h 05m

$956

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 12/1

5:15 pm-12:17 pm

2 stops24h 02m

Allentown-Bethlehem

Tue 12/8

12:52 pm-9:40 am

1 stop15h 48m

$964

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 12/1

10:00 am-10:27 pm

2 stops17h 27m

Allentown-Bethlehem

Tue 12/8

12:50 pm-11:40 am

1 stop17h 50m

$965

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 12/1

8:55 am-5:13 pm

1 stop13h 18m

Allentown-Bethlehem

Tue 12/8

12:50 pm-7:50 am

1 stop14h 00m

$975

Quickest round-trip

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 12/1

8:55 am-5:13 pm

1 stop13h 18m

Allentown-Bethlehem

Tue 12/8

5:58 pm-11:40 am

1 stop12h 42m

$979

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 12/1

9:40 am-10:27 pm

2 stops17h 47m

Allentown-Bethlehem

Tue 12/8

6:39 am-6:50 am

2 stops19h 11m

$981

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 12/1

11:45 am-12:17 am

1 stop17h 32m

Allentown-Bethlehem

Tue 12/8

12:52 pm-7:20 am

1 stop13h 28m

$988

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 12/1

6:30 am-10:27 pm

2 stops20h 57m

Allentown-Bethlehem

Tue 12/8

6:39 am-7:05 am

2 stops19h 26m

$991

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 12/2

10:00 am-10:27 pm

2 stops17h 27m

Allentown-Bethlehem

Wed 12/9

6:39 am-7:45 am

2 stops20h 06m

$992

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 12/2

9:00 am-9:28 am

2 stops29h 28m

Allentown-Bethlehem

Wed 12/9

6:00 am-5:55 am

1 stop18h 55m

$1,005

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?

United Airlines is the most popular carrier operating from London Heathrow to Allentown-Bethlehem

What 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 44% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 9 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

Best Price Found	$728
Fastest flight time	13h 17m
Direct flights	None

The best one-way flight to Allentown from London Heathrow Airport in the past 72 hours is $728. The best round-trip flight deal from London Heathrow Airport to Allentown found on momondo in the last 72 hours is $956.

The fastest flight from London Heathrow Airport to Allentown takes 13h 17m

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

Frequently asked questions about flying from London Heathrow Airport to Allentown

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 17m 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.

Lehighton

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.