Which airlines fly to Allentown?

There may be other airlines that fly to Allentown from United Kingdom, but the most popular among our users are British Airways, Lufthansa, United Airlines and Aer Lingus. These airlines should offer flights to Allentown on a routine basis if you’re flying from one of the more popular airports in United Kingdom.

How long does it take to fly to Allentown?

If you’re flying from a popular airport in United Kingdom, such as London Heathrow or Manchester, and flying into Allentown, then you can expect flight times to average 7h 45m and 10h 30m, respectively.

£502 Cheap Flights to Allentown in 2025/26

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Find the cheapest flights from the United Kingdom to Allentown

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One-way

Cheap return flights

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08:40 - 22:11LHR-ABE

18h 31m2 stops

18:00 - 07:50ABE-LHR

32h 50m1 stop

£562Virgin Atlantic

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Wed, 3 Dec - Tue, 16 Dec

12:30 - 22:11LHR-ABE

14h 41m1 stop

18:00 - 07:50ABE-LHR

32h 50m1 stop

£576Virgin Atlantic

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Wed, 3 Dec - Tue, 16 Dec

06:30 - 22:11LHR-ABE

20h 41m2 stops

06:25 - 08:45ABE-LHR

21h 20m2 stops

£586Delta

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Tue, 9 Dec - Tue, 16 Dec

12:30 - 22:11LHR-ABE

14h 41m1 stop

06:25 - 08:45ABE-LHR

21h 20m2 stops

£600Delta

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Tue, 9 Dec - Tue, 16 Dec

07:30 - 00:16EDI-ABE

21h 46m2 stops

17:40 - 13:15ABE-EDI

14h 35m2 stops

£686American Airlines

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Thu, 26 Feb - Mon, 2 Mar

06:50 - 00:16EDI-ABE

22h 26m2 stops

17:40 - 18:10ABE-EDI

19h 30m2 stops

£686American Airlines

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Thu, 26 Feb - Mon, 2 Mar

08:30 - 21:46LHR-ABE

18h 16m2 stops

13:00 - 11:15ABE-LHR

17h 15m1 stop

£702United Airlines

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Mon, 8 Dec - Mon, 15 Dec

10:25 - 21:46LHR-ABE

16h 21m1 stop

17:22 - 11:15ABE-LHR

12h 53m1 stop

£724United Airlines

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Mon, 8 Dec - Mon, 15 Dec

13:25 - 11:52BHX-ABE

27h 27m3 stops

13:00 - 17:00ABE-BHX

23h 00m2 stops

£1,157Multiple Airlines

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Tue, 9 Dec - Tue, 16 Dec

13:00 - 09:59LHR-ABE

24h 59m2 stops

06:44 - 06:30ABE-LHR

18h 46m2 stops

£1,575Multiple Airlines

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Fri, 27 Mar - Sun, 29 Mar

Fly from

Route

Depart

Return

Price

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 3/12

08:40-22:11

2 stops18h 31m

Allentown-Bethlehem

Tue 16/12

18:00-07:50

1 stop32h 50m

£562

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 3/12

12:30-22:11

1 stop14h 41m

Allentown-Bethlehem

Tue 16/12

18:00-07:50

1 stop32h 50m

£576

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 9/12

06:30-22:11

2 stops20h 41m

Allentown-Bethlehem

Tue 16/12

06:25-08:45

2 stops21h 20m

£586

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 9/12

12:30-22:11

1 stop14h 41m

Allentown-Bethlehem

Tue 16/12

06:25-08:45

2 stops21h 20m

£600

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 26/2

07:30-00:16

2 stops21h 46m

Allentown-Bethlehem

Mon 2/3

17:40-13:15

2 stops14h 35m

£686

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 26/2

06:50-00:16

2 stops22h 26m

Allentown-Bethlehem

Mon 2/3

17:40-18:10

2 stops19h 30m

£686

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 8/12

08:30-21:46

2 stops18h 16m

Allentown-Bethlehem

Mon 15/12

13:00-11:15

1 stop17h 15m

£702

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 8/12

10:25-21:46

1 stop16h 21m

Allentown-Bethlehem

Mon 15/12

17:22-11:15

1 stop12h 53m

£724

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Tue 9/12

13:25-11:52

3 stops27h 27m

Allentown-Bethlehem

Tue 16/12

13:00-17:00

2 stops23h 00m

£1,157

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 27/3

13:00-09:59

2 stops24h 59m

Allentown-Bethlehem

Sun 29/3

06:44-06:30

2 stops18h 46m

£1,575

Flights are sorted by cheapest return flights first.

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Allentown flights insights and trends

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Prices

Other information

What is the cheapest day to depart on your flight to Allentown?

The cheapest day to depart from United Kingdom to Allentown is on a Monday when prices can be found for as low as £471. Flights from United Kingdom to Allentown on a Sunday will generally be more expensive and average around £842. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Allentown from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £573 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of £615.

Cheapest flights to Allentown-Bethlehem

Find the cheapest flights to Allentown-Bethlehem from your nearest city or airport

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Cheap Allentown flight deals and tips

Summary info about Allentown flight prices, duration and airlines

Best One-Way Price	£502
Best Round-Trip Price	£562
Fastest flight time	13h 19m

The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £502 (London Heathrow to Allentown-Bethlehem).

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The best round-trip flight price to Allentown from United Kingdom in the last 72 hours is £562 (London Heathrow to Allentown-Bethlehem).

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The fastest flight to Allentown from United Kingdom takes 13h 19m (London Heathrow to Allentown-Bethlehem).

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Frequently asked questions about flying to Allentown

What is the cheapest month to fly to Allentown?

The month of April is, on average, the cheapest month to fly to Allentown from United Kingdom, with most prices found around £484. If you aren’t able to travel to Allentown during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £488.

Is there an alternative airport near Allentown?

Allentown-Bethlehem Airport, Trenton-Mercer Airport, Philadelphia Airport, Wilkes-Barre Scranton Airport or Lancaster Airport can be an alternative airport used for travel to Allentown.

Is there a cheaper alternative to flying into Allentown?

Allentown-Bethlehem Airport has an average price of £83 per person and is typically the cheapest airport to fly into when visiting Allentown. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to Allentown?

£101 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Toronto and is 72% cheaper than most flights to Allentown. To find the cheapest price to Allentown from your area, use momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Allentown-Bethlehem Airport were last updated today.

How many operators does momondo search for flights to Allentown-Bethlehem Airport?

As of October 2025, there is 1 operator available to choose from for flights to Allentown-Bethlehem Airport.

How old do you have to be to fly 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 to Allentown-Bethlehem Airport.

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

The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Allentown. momondo saves you time and could save you money on your trip.

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

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

How can momondo help me find flights 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 filter your options to help you make an informed choice when booking flights to Allentown.