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Flights to Allentown-Bethlehem

£624 Cheap flights to Allentown

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Allentown departing on 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United Kingdom to Allentown

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:05 - 22:14
LHR
-
ABE
33h 09m
2 stops
Multiple Airlines Logo
06:00 - 06:50
ABE
-
LHR
19h 50m
1 stop
£630Multiple Airlines
Wed, 16 Sep - Mon, 21 Sep
American Airlines Logo
08:15 - 18:10
LHR
-
ABE
14h 55m
2 stops
American Airlines Logo
17:18 - 10:50
ABE
-
LHR
12h 32m
1 stop
£687American Airlines
Wed, 16 Sep - Wed, 23 Sep
Delta Logo
06:30 - 22:56
LHR
-
ABE
21h 26m
2 stops
Delta Logo
13:00 - 12:05
ABE
-
LHR
18h 05m
2 stops
£695Delta
Tue, 15 Sep - Tue, 22 Sep
Delta Logo
08:55 - 22:56
LHR
-
ABE
19h 01m
2 stops
Delta Logo
06:30 - 13:15
ABE
-
LHR
25h 45m
1 stop
£701Delta
Mon, 14 Sep - Tue, 22 Sep
KLM Logo
09:55 - 22:56
LHR
-
ABE
18h 01m
2 stops
KLM Logo
17:40 - 13:15
ABE
-
LHR
14h 35m
1 stop
£703KLM
Wed, 16 Sep - Mon, 21 Sep
Delta Logo
10:45 - 22:56
LHR
-
ABE
17h 11m
2 stops
Delta Logo
13:00 - 10:20
ABE
-
LHR
16h 20m
2 stops
£708Delta
Wed, 16 Sep - Mon, 21 Sep
Delta Logo
17:55 - 12:08
LHR
-
ABE
23h 13m
2 stops
Delta Logo
17:40 - 11:20
ABE
-
LHR
12h 40m
1 stop
£709Delta
Tue, 15 Sep - Wed, 23 Sep
American Airlines Logo
08:50 - 00:21
MAN
-
ABE
20h 31m
2 stops
American Airlines Logo
06:00 - 11:30
ABE
-
MAN
24h 30m
2 stops
£853American Airlines
Thu, 4 Jun - Thu, 11 Jun
United Airlines Logo
09:00 - 10:06
EDI
-
ABE
54h 06m
2 stops
United Airlines Logo
17:36 - 10:35
ABE
-
EDI
35h 59m
2 stops
£890United Airlines
Thu, 24 Sep - Mon, 28 Sep
United Airlines Logo
09:00 - 10:06
EDI
-
ABE
54h 06m
2 stops
United Airlines Logo
17:36 - 08:25
ABE
-
EDI
33h 49m
1 stop
£899United Airlines
Thu, 24 Sep - Mon, 28 Sep

momondo Fare Finder

 
Locate flights to Allentown-Bethlehem that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 24 April 2026.
Use the filters below to find and compare flights to Allentown that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

18:05-22:14

2 stops33h 09m

Allentown-Bethlehem

Mon 21/9

06:00-06:50

1 stop19h 50m

£630
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

08:15-18:10

2 stops14h 55m

Allentown-Bethlehem

Wed 23/9

17:18-10:50

1 stop12h 32m

£687

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 15/9

06:30-22:56

2 stops21h 26m

Allentown-Bethlehem

Tue 22/9

13:00-12:05

2 stops18h 05m

£695

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 14/9

08:55-22:56

2 stops19h 01m

Allentown-Bethlehem

Tue 22/9

06:30-13:15

1 stop25h 45m

£701

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

09:55-22:56

2 stops18h 01m

Allentown-Bethlehem

Mon 21/9

17:40-13:15

1 stop14h 35m

£703

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

10:45-22:56

2 stops17h 11m

Allentown-Bethlehem

Mon 21/9

13:00-10:20

2 stops16h 20m

£708

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 15/9

17:55-12:08

2 stops23h 13m

Allentown-Bethlehem

Wed 23/9

17:40-11:20

1 stop12h 40m

£709

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Thu 4/6

08:50-00:21

2 stops20h 31m

Allentown-Bethlehem

Thu 11/6

06:00-11:30

2 stops24h 30m

£853

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 24/9

09:00-10:06

2 stops54h 06m

Allentown-Bethlehem

Mon 28/9

17:36-10:35

2 stops35h 59m

£890

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 24/9

09:00-10:06

2 stops54h 06m

Allentown-Bethlehem

Mon 28/9

17:36-08:25

1 stop33h 49m

£899

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Allentown flights insights and trends

Explore insights for your Allentown flight to craft the best travel plan

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 40m and 16h 58m, respectively.

Cheapest flights to Allentown-Bethlehem

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

Cheap Allentown flight deals and tips

Summary info about Allentown flight prices, duration and airlines

Best One-Way Price

£624

Best Round-Trip Price

£630

Fastest flight time

13h 25m
The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £624 (Manchester to Allentown-Bethlehem).
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The best round-trip flight price to Allentown from United Kingdom in the last 72 hours is £630 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 13h 25m (Edinburgh Turnhouse 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?

Wilkes-Barre Scranton Airport has an average price of £283 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?

£156 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Miami and is 70% 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 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.

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

Of course. momondo tracks the price of Allentown flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Allentown

Popular Flights to Allentown

Popular routes according to searches in the past day on momondo
Manchester to Allentown-Bethlehem Flightsfrom £1,285
London to Allentown-Bethlehem Flightsfrom £1,099
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,211
Bristol to Allentown-Bethlehem Flightsfrom £1,638
Birmingham to Allentown-Bethlehem Flightsfrom £1,331