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 11h 05m, respectively.

£398 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

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06:30 - 17:14LHR-ABE

15h 44m2 stops

06:25 - 07:05ABE-LHR

19h 40m2 stops

£671Delta

Find Deal

Fri, 5 Dec - Sun, 14 Dec

08:55 - 17:14LHR-ABE

13h 19m1 stop

06:25 - 07:50ABE-LHR

20h 25m1 stop

£684Delta

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Fri, 5 Dec - Sun, 14 Dec

07:50 - 12:32EDI-ABE

33h 42m2 stops

13:02 - 17:00ABE-EDI

22h 58m2 stops

£686American Airlines

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Wed, 21 Jan - Sun, 25 Jan

07:50 - 12:32EDI-ABE

33h 42m2 stops

13:02 - 14:25ABE-EDI

20h 23m2 stops

£687American Airlines

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Wed, 21 Jan - Sun, 25 Jan

17:40 - 17:18BHX-ABE

52h 38m2 stops

17:40 - 21:15ABE-BHX

23h 35m2 stops

£757Virgin Atlantic

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Thu, 5 Mar - Mon, 9 Mar

20:50 - 17:18BHX-ABE

49h 28m2 stops

17:40 - 17:50ABE-BHX

20h 10m2 stops

£758Virgin Atlantic

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Thu, 5 Mar - Mon, 9 Mar

16:20 - 13:55LHR-ABE

26h 35m2 stops

06:17 - 11:20ABE-LHR

24h 03m2 stops

£810United Airlines

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Wed, 17 Dec - Wed, 24 Dec

06:10 - 21:47MAN-ABE

20h 37m2 stops

11:30 - 12:20ABE-MAN

19h 50m2 stops

£913United Airlines

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Thu, 1 Jan - Thu, 8 Jan

06:00 - 22:11BRS-ABE

21h 11m2 stops

06:25 - 13:10ABE-BRS

25h 45m2 stops

£1,537KLM

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Wed, 17 Dec - Wed, 31 Dec

06:00 - 22:11BRS-ABE

21h 11m2 stops

18:04 - 16:55ABE-BRS

17h 51m2 stops

£1,581KLM

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Wed, 17 Dec - Tue, 30 Dec

Fly from

Route

Depart

Return

Price

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 5/12

06:30-17:14

2 stops15h 44m

Allentown-Bethlehem

Sun 14/12

06:25-07:05

2 stops19h 40m

£671

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 5/12

08:55-17:14

1 stop13h 19m

Allentown-Bethlehem

Sun 14/12

06:25-07:50

1 stop20h 25m

£684

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 21/1

07:50-12:32

2 stops33h 42m

Allentown-Bethlehem

Sun 25/1

13:02-17:00

2 stops22h 58m

£686

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 21/1

07:50-12:32

2 stops33h 42m

Allentown-Bethlehem

Sun 25/1

13:02-14:25

2 stops20h 23m

£687

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Thu 5/3

17:40-17:18

2 stops52h 38m

Allentown-Bethlehem

Mon 9/3

17:40-21:15

2 stops23h 35m

£757

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Thu 5/3

20:50-17:18

2 stops49h 28m

Allentown-Bethlehem

Mon 9/3

17:40-17:50

2 stops20h 10m

£758

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 17/12

16:20-13:55

2 stops26h 35m

Allentown-Bethlehem

Wed 24/12

06:17-11:20

2 stops24h 03m

£810

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Thu 1/1

06:10-21:47

2 stops20h 37m

Allentown-Bethlehem

Thu 8/1

11:30-12:20

2 stops19h 50m

£913

BristolAllentown

BRS - ABE

BRSABE

Bristol

Wed 17/12

06:00-22:11

2 stops21h 11m

Allentown-Bethlehem

Wed 31/12

06:25-13:10

2 stops25h 45m

£1,537

BristolAllentown

BRS - ABE

BRSABE

Bristol

Wed 17/12

06:00-22:11

2 stops21h 11m

Allentown-Bethlehem

Tue 30/12

18:04-16:55

2 stops17h 51m

£1,581

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 £477. Flights from United Kingdom to Allentown on a Sunday will generally be more expensive and average around £853. 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 £580 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of £622.

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	£398
Best Round-Trip Price	£671
Fastest flight time	13h 19m

The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £398 (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 £671 (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

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 £84 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?

£57 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Chicago and is 85% 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 November 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.