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

Prices for flights from London to Allentown-Bethlehem Airport refresh daily.

How old do you have to be to fly from London 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 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 to Allentown in 2026

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Find the cheapest flights from London to Allentown

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:40 - 22:56

LHR

ABE

18h 16m

2 stops

06:32 - 06:20

ABE

LHR

19h 48m

2 stops

£592Delta

Wed, 18 Mar - Wed, 25 Mar

12:30 - 12:16

LHR

ABE

27h 46m

1 stop

12:56 - 06:25

ABE

LHR

13h 29m

1 stop

£604Delta

Wed, 18 Mar - Wed, 25 Mar

07:40 - 16:51

LHR

ABE

13h 11m

1 stop

10:31 - 05:55

ABE

LHR

15h 24m

1 stop

£727United Airlines

Wed, 18 Mar - Wed, 25 Mar

11:10 - 22:15

LHR

ABE

16h 05m

1 stop

17:18 - 11:15

ABE

LHR

12h 57m

1 stop

£743Multiple Airlines

Thu, 4 Jun - Mon, 8 Jun

07:30 - 21:17

LHR

ABE

18h 47m

2 stops

06:30 - 05:55

ABE

LHR

18h 25m

1 stop

£808United Airlines

Sun, 12 Apr - Tue, 22 Dec

11:15 - 22:52

LHR

ABE

16h 37m

1 stop

13:00 - 09:00

ABE

LHR

15h 00m

1 stop

£858Delta

Sun, 12 Apr - Tue, 22 Dec

14:05 - 09:58

LHR

ABE

24h 53m

2 stops

06:30 - 06:30

ABE

LHR

19h 00m

2 stops

£1,718Multiple Airlines

Sun, 12 Apr - Tue, 22 Dec

06:40 - 22:18

LHR

ABE

20h 38m

2 stops

13:00 - 18:30

ABE

LHR

24h 30m

2 stops

£4,776Multiple Airlines

Thu, 4 Jun - Mon, 8 Jun

Delta flights from London to Allentown

Our best Delta deals on London to Allentown flight tickets

Delta

18 Mar

LHR06:30London Heathrow

20h 26m

2 stops

ABE22:56Allentown-Bethlehem

25 Mar

ABE06:32Allentown-Bethlehem

22h 28m

1 stop

LHR09:00London Heathrow

£592

Delta

18 Mar

LHR12:30London Heathrow

27h 46m

1 stop

ABE12:16Allentown-Bethlehem

25 Mar

ABE12:56Allentown-Bethlehem

13h 29m

1 stop

LHR06:25London Heathrow

£604

Delta

12 Apr

LHR11:15London Heathrow

16h 37m

1 stop

ABE22:52Allentown-Bethlehem

22 Dec

ABE13:00Allentown-Bethlehem

15h 00m

1 stop

LHR09:00London Heathrow

£858

United Airlines flights from London to Allentown

Our best United Airlines deals on London to Allentown flight tickets

United Airlines

18 Mar

LHR07:40London Heathrow

13h 11m

1 stop

ABE16:51Allentown-Bethlehem

25 Mar

ABE10:31Allentown-Bethlehem

15h 24m

1 stop

LHR05:55London Heathrow

£727

United Airlines

12 Apr

LHR07:30London Heathrow

18h 47m

2 stops

ABE21:17Allentown-Bethlehem

22 Dec

ABE06:30Allentown-Bethlehem

18h 25m

1 stop

LHR05:55London Heathrow

£808

United Airlines

5 Feb

LHR06:50London Heathrow

19h 15m

2 stops

ABE21:05Allentown-Bethlehem

9 Feb

ABE11:30Allentown-Bethlehem

18h 35m

2 stops

LHR11:05London Heathrow

£1,060

Fly from

Fly to

Route

Depart

Return

Price

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 18/3

08:40-22:56

2 stops18h 16m

Allentown-Bethlehem

Wed 25/3

06:32-06:20

2 stops19h 48m

£592

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 18/3

12:30-12:16

1 stop27h 46m

Allentown-Bethlehem

Wed 25/3

12:56-06:25

1 stop13h 29m

£604

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 18/3

07:40-16:51

1 stop13h 11m

Allentown-Bethlehem

Wed 25/3

10:31-05:55

1 stop15h 24m

£727

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 4/6

11:10-22:15

1 stop16h 05m

Allentown-Bethlehem

Mon 8/6

17:18-11:15

1 stop12h 57m

£743

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 12/4

07:30-21:17

2 stops18h 47m

Allentown-Bethlehem

Tue 22/12

06:30-05:55

1 stop18h 25m

£808

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 12/4

11:15-22:52

1 stop16h 37m

Allentown-Bethlehem

Tue 22/12

13:00-09:00

1 stop15h 00m

£858

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 12/4

14:05-09:58

2 stops24h 53m

Allentown-Bethlehem

Tue 22/12

06:30-06:30

2 stops19h 00m

£1,718

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 4/6

06:40-22:18

2 stops20h 38m

Allentown-Bethlehem

Mon 8/6

13:00-18:30

2 stops24h 30m

£4,776

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 13/4

14:10-09:58

1 stop24h 48m

£527

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 11/4

06:55-21:17

2 stops19h 22m

£558

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from London 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 to Allentown-Bethlehem?

United Airlines is the most popular carrier operating from London 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 according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Allentown. Keep in mind that there are 17 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 to Allentown

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

Estimated return price

Cheap London to Allentown (LON to ABE) flight deals and tips

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

Fastest flight time	16h 05m
Direct flights	None

The fastest flight from London to Allentown takes 16h 05m

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

Search flight deals

How far is London to Allentown-Bethlehem by plane?
Allentown-Bethlehem is 3523.4 mi away from London. Flights usually cover this in 16h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London to Allentown-Bethlehem Airport?
Prices for flights from London to Allentown-Bethlehem Airport refresh daily.
How old do you have to be to fly from London 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 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from London.

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

Yes. All flights to Allentown 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 Allentown?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Allentown from London.

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.