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Flights to Allentown-Bethlehem

£606 Cheap flights to Allentown

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Allentown departing on 4/2. 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
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.
United Airlines Logo
11:05 - 10:41
LHR
-
ABE
28h 36m
2 stops
United Airlines Logo
11:30 - 05:55
ABE
-
LHR
13h 25m
1 stop
£606United Airlines
Wed, 4 Feb - Sun, 8 Feb
United Airlines Logo
11:05 - 10:41
LHR
-
ABE
28h 36m
2 stops
United Airlines Logo
11:30 - 09:10
ABE
-
LHR
16h 40m
2 stops
£607United Airlines
Wed, 4 Feb - Sun, 8 Feb
United Airlines Logo
11:05 - 10:41
LHR
-
ABE
28h 36m
2 stops
United Airlines Logo
16:57 - 11:15
ABE
-
LHR
13h 18m
1 stop
£611United Airlines
Wed, 4 Feb - Sun, 8 Feb
United Airlines Logo
07:25 - 21:05
LHR
-
ABE
18h 40m
1 stop
United Airlines Logo
11:30 - 05:55
ABE
-
LHR
13h 25m
1 stop
£628United Airlines
Wed, 4 Feb - Sun, 8 Feb
United Airlines Logo
07:25 - 16:22
LHR
-
ABE
13h 57m
1 stop
United Airlines Logo
16:57 - 11:15
ABE
-
LHR
13h 18m
1 stop
£629United Airlines
Wed, 4 Feb - Sun, 8 Feb
United Airlines Logo
07:25 - 16:22
LHR
-
ABE
13h 57m
1 stop
United Airlines Logo
11:30 - 11:15
ABE
-
LHR
18h 45m
1 stop
£633United Airlines
Wed, 4 Feb - Sun, 8 Feb
United Airlines Logo
13:35 - 09:56
LHR
-
ABE
24h 21m
1 stop
United Airlines Logo
18:51 - 11:15
ABE
-
LHR
12h 24m
1 stop
£675United Airlines
Mon, 9 Mar - Mon, 16 Mar
United Airlines Logo
07:25 - 16:51
LHR
-
ABE
13h 26m
1 stop
United Airlines Logo
18:51 - 11:15
ABE
-
LHR
12h 24m
1 stop
£681United Airlines
Tue, 10 Mar - Tue, 17 Mar
Delta Logo
06:00 - 17:14
BRS
-
ABE
40h 14m
2 stops
Delta Logo
14:00 - 10:15
ABE
-
BRS
39h 15m
2 stops
£837Delta
Tue, 10 Feb - Sat, 14 Feb
Delta Logo
05:45 - 17:17
EDI
-
ABE
16h 32m
2 stops
Delta Logo
13:00 - 11:50
ABE
-
EDI
17h 50m
1 stop
£1,809Delta
Fri, 12 Jun - Sun, 21 Jun

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 January 2026.
Use the filters below to find and compare flights to Allentown that are best for you.

Fly from

Route

Depart

Return

Price

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 4/2

11:05-10:41

2 stops28h 36m

Allentown-Bethlehem

Sun 8/2

11:30-05:55

1 stop13h 25m

£606

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 4/2

11:05-10:41

2 stops28h 36m

Allentown-Bethlehem

Sun 8/2

11:30-09:10

2 stops16h 40m

£607

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 4/2

11:05-10:41

2 stops28h 36m

Allentown-Bethlehem

Sun 8/2

16:57-11:15

1 stop13h 18m

£611

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 4/2

07:25-21:05

1 stop18h 40m

Allentown-Bethlehem

Sun 8/2

11:30-05:55

1 stop13h 25m

£628

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 4/2

07:25-16:22

1 stop13h 57m

Allentown-Bethlehem

Sun 8/2

16:57-11:15

1 stop13h 18m

£629

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 4/2

07:25-16:22

1 stop13h 57m

Allentown-Bethlehem

Sun 8/2

11:30-11:15

1 stop18h 45m

£633

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 9/3

13:35-09:56

1 stop24h 21m

Allentown-Bethlehem

Mon 16/3

18:51-11:15

1 stop12h 24m

£675

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 10/3

07:25-16:51

1 stop13h 26m

Allentown-Bethlehem

Tue 17/3

18:51-11:15

1 stop12h 24m

£681

BristolAllentown

BRS - ABE

BRSABE

Bristol

Tue 10/2

06:00-17:14

2 stops40h 14m

Allentown-Bethlehem

Sat 14/2

14:00-10:15

2 stops39h 15m

£837

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Fri 12/6

05:45-17:17

2 stops16h 32m

Allentown-Bethlehem

Sun 21/6

13:00-11:50

1 stop17h 50m

£1,809

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 50m and 11h, 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

£608

Best Round-Trip Price

£606

Fastest flight time

16h 32m
The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £608 (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 £606 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 16h 32m (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 £255 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?

£71 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Houston and is 87% 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 £1,012
London to Allentown-Bethlehem Flightsfrom £828
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £2,071
Birmingham to Allentown-Bethlehem Flightsfrom £1,026
Bristol to Allentown-Bethlehem Flightsfrom £1,134