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Flights to Allentown-Bethlehem

£414 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 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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 - 22:40
LHR
-
ABE
14h 30m
1 stop
Multiple Airlines Logo
09:13 - 09:05
ABE
-
LHR
18h 52m
1 stop
£666Multiple Airlines
Fri, 28 Aug - Thu, 10 Sep
American Airlines Logo
15:00 - 00:23
LHR
-
ABE
14h 23m
1 stop
American Airlines Logo
17:12 - 11:15
ABE
-
LHR
13h 03m
1 stop
£674American Airlines
Tue, 7 Jul - Wed, 15 Jul
United Airlines Logo
07:30 - 09:35
LHR
-
ABE
31h 05m
2 stops
United Airlines Logo
06:20 - 06:45
ABE
-
LHR
19h 25m
1 stop
£697United Airlines
Wed, 23 Sep - Sun, 27 Sep
United Airlines Logo
07:30 - 09:35
LHR
-
ABE
31h 05m
2 stops
United Airlines Logo
06:20 - 06:45
ABE
-
LHR
19h 25m
1 stop
£699United Airlines
Wed, 23 Sep - Sun, 27 Sep
United Airlines Logo
07:30 - 09:35
LHR
-
ABE
31h 05m
2 stops
United Airlines Logo
06:20 - 06:45
ABE
-
LHR
19h 25m
1 stop
£699United Airlines
Wed, 23 Sep - Sun, 27 Sep
Virgin Atlantic Logo
11:45 - 17:23
LHR
-
ABE
34h 38m
2 stops
Virgin Atlantic Logo
13:00 - 06:25
ABE
-
LHR
12h 25m
1 stop
£709Virgin Atlantic
Fri, 28 Aug - Thu, 10 Sep
United Airlines Logo
08:00 - 16:56
LHR
-
ABE
13h 56m
1 stop
United Airlines Logo
06:20 - 06:45
ABE
-
LHR
19h 25m
1 stop
£720United Airlines
Wed, 23 Sep - Sun, 27 Sep
Delta Logo
12:10 - 23:08
MAN
-
ABE
15h 58m
2 stops
Delta Logo
13:10 - 16:45
ABE
-
MAN
22h 35m
2 stops
£825Delta
Tue, 14 Jul - Thu, 3 Sep
Delta Logo
12:10 - 23:08
MAN
-
ABE
15h 58m
2 stops
Delta Logo
13:10 - 14:00
ABE
-
MAN
19h 50m
2 stops
£851Delta
Tue, 14 Jul - Sun, 6 Sep
Delta Logo
14:55 - 17:25
MAN
-
ABE
31h 30m
2 stops
Delta Logo
13:10 - 16:45
ABE
-
MAN
22h 35m
2 stops
£870Delta
Sun, 12 Jul - Thu, 3 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 11 June 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

Fri 28/8

13:10-22:40

1 stop14h 30m

Allentown-Bethlehem

Thu 10/9

09:13-09:05

1 stop18h 52m

£666
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 7/7

15:00-00:23

1 stop14h 23m

Allentown-Bethlehem

Wed 15/7

17:12-11:15

1 stop13h 03m

£674

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 23/9

07:30-09:35

2 stops31h 05m

Allentown-Bethlehem

Sun 27/9

06:20-06:45

1 stop19h 25m

£697

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 23/9

07:30-09:35

2 stops31h 05m

Allentown-Bethlehem

Sun 27/9

06:20-06:45

1 stop19h 25m

£699

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 23/9

07:30-09:35

2 stops31h 05m

Allentown-Bethlehem

Sun 27/9

06:20-06:45

1 stop19h 25m

£699

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 28/8

11:45-17:23

2 stops34h 38m

Allentown-Bethlehem

Thu 10/9

13:00-06:25

1 stop12h 25m

£709

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 23/9

08:00-16:56

1 stop13h 56m

Allentown-Bethlehem

Sun 27/9

06:20-06:45

1 stop19h 25m

£720

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Tue 14/7

12:10-23:08

2 stops15h 58m

Allentown-Bethlehem

Thu 3/9

13:10-16:45

2 stops22h 35m

£825

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Tue 14/7

12:10-23:08

2 stops15h 58m

Allentown-Bethlehem

Sun 6/9

13:10-14:00

2 stops19h 50m

£851

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Sun 12/7

14:55-17:25

2 stops31h 30m

Allentown-Bethlehem

Thu 3/9

13:10-16:45

2 stops22h 35m

£870

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 12h 55m, 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

£414

Best Round-Trip Price

£666

Fastest flight time

14h 37m
The best one-way flight price to Allentown from United Kingdom in the last 5 days is £414 (London Heathrow to Allentown-Bethlehem).
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The best round-trip flight price to Allentown from United Kingdom in the last 5 days is £666 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 14h 37m (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 £285 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?

£81 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Boston and is 82% 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
London to Allentown-Bethlehem Flightsfrom £936
Manchester to Allentown-Bethlehem Flightsfrom £1,230
Birmingham to Allentown-Bethlehem Flightsfrom £1,726
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £2,212
Bristol to Allentown-Bethlehem Flightsfrom £3,571