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Flights to Allentown-Bethlehem

£431 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 25/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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
13:10 - 22:18
LHR
-
ABE
14h 08m
1 stop
Multiple Airlines Logo
06:00 - 09:05
ABE
-
LHR
22h 05m
1 stop
£692Multiple Airlines
Wed, 30 Sep - Tue, 13 Oct
Multiple Airlines Logo
13:10 - 22:18
LHR
-
ABE
14h 08m
1 stop
Multiple Airlines Logo
06:00 - 09:05
ABE
-
LHR
22h 05m
1 stop
£693Multiple Airlines
Wed, 30 Sep - Tue, 13 Oct
Virgin Atlantic Logo
08:40 - 22:27
LHR
-
ABE
18h 47m
2 stops
Virgin Atlantic Logo
12:53 - 11:40
ABE
-
LHR
17h 47m
1 stop
£697Virgin Atlantic
Fri, 27 Nov - Tue, 8 Dec
Virgin Atlantic Logo
08:55 - 22:27
LHR
-
ABE
18h 32m
1 stop
Virgin Atlantic Logo
12:53 - 11:40
ABE
-
LHR
17h 47m
1 stop
£708Virgin Atlantic
Fri, 27 Nov - Tue, 8 Dec
Virgin Atlantic Logo
09:50 - 22:27
LHR
-
ABE
17h 37m
2 stops
Virgin Atlantic Logo
12:53 - 09:50
ABE
-
LHR
15h 57m
2 stops
£711Virgin Atlantic
Fri, 27 Nov - Tue, 8 Dec
United Airlines Logo
07:30 - 21:00
LHR
-
ABE
18h 30m
2 stops
United Airlines Logo
18:01 - 06:45
ABE
-
LHR
31h 44m
1 stop
£728United Airlines
Wed, 16 Sep - Sun, 20 Sep
United Airlines Logo
07:25 - 21:00
LHR
-
ABE
18h 35m
2 stops
United Airlines Logo
10:32 - 08:30
ABE
-
LHR
16h 58m
1 stop
£729United Airlines
Wed, 9 Sep - Wed, 16 Sep
United Airlines Logo
07:30 - 09:39
LHR
-
ABE
31h 09m
2 stops
United Airlines Logo
18:01 - 16:25
ABE
-
LHR
41h 24m
2 stops
£729United Airlines
Wed, 16 Sep - Sun, 20 Sep
Finnair Logo
15:00 - 00:28
LHR
-
ABE
14h 28m
1 stop
Finnair Logo
07:36 - 06:15
ABE
-
LHR
17h 39m
2 stops
£734Finnair
Sat, 17 Oct - Sat, 7 Nov
United Airlines Logo
07:30 - 09:39
LHR
-
ABE
31h 09m
2 stops
United Airlines Logo
18:01 - 16:25
ABE
-
LHR
41h 24m
2 stops
£739United Airlines
Wed, 16 Sep - Sun, 20 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 30 July 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 30/9

13:10-22:18

1 stop14h 08m

Allentown-Bethlehem

Tue 13/10

06:00-09:05

1 stop22h 05m

£692

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 30/9

13:10-22:18

1 stop14h 08m

Allentown-Bethlehem

Tue 13/10

06:00-09:05

1 stop22h 05m

£693

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 27/11

08:40-22:27

2 stops18h 47m

Allentown-Bethlehem

Tue 8/12

12:53-11:40

1 stop17h 47m

£697

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 27/11

08:55-22:27

1 stop18h 32m

Allentown-Bethlehem

Tue 8/12

12:53-11:40

1 stop17h 47m

£708

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 27/11

09:50-22:27

2 stops17h 37m

Allentown-Bethlehem

Tue 8/12

12:53-09:50

2 stops15h 57m

£711

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

07:30-21:00

2 stops18h 30m

Allentown-Bethlehem

Sun 20/9

18:01-06:45

1 stop31h 44m

£728

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 9/9

07:25-21:00

2 stops18h 35m

Allentown-Bethlehem

Wed 16/9

10:32-08:30

1 stop16h 58m

£729

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

07:30-09:39

2 stops31h 09m

Allentown-Bethlehem

Sun 20/9

18:01-16:25

2 stops41h 24m

£729
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 17/10

15:00-00:28

1 stop14h 28m

Allentown-Bethlehem

Sat 7/11

07:36-06:15

2 stops17h 39m

£734

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 16/9

07:30-09:39

2 stops31h 09m

Allentown-Bethlehem

Sun 20/9

18:01-16:25

2 stops41h 24m

£739

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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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 45m and 11h 30m, 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

£431

Best Round-Trip Price

£692

Fastest flight time

19h 55m
The best one-way flight price to Allentown from United Kingdom in the last 5 days is £431 (London Heathrow to Allentown-Bethlehem).
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The best return flight price to Allentown from United Kingdom in the last 5 days is £692 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 19h 55m (Birmingham 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 £287 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?

£124 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Atlanta and is 74% 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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Popular Flights to Allentown

Popular routes according to searches in the past day on momondo
Manchester to Allentown-Bethlehem Flightsfrom £1,094
London to Allentown-Bethlehem Flightsfrom £921
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,202
Birmingham to Allentown-Bethlehem Flightsfrom £1,158
Bristol to Allentown-Bethlehem Flightsfrom £1,763