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Flights to Allentown-Bethlehem

£485 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 24/8. 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.
Multiple Airlines Logo
18:05 - 18:10
LHR
-
ABE
29h 05m
2 stops
Multiple Airlines Logo
20:02 - 12:10
ABE
-
LHR
11h 08m
1 stop
£685Multiple Airlines
Mon, 21 Sep - Mon, 28 Sep
American Airlines Logo
15:00 - 22:14
LHR
-
ABE
12h 14m
1 stop
American Airlines Logo
20:02 - 12:10
ABE
-
LHR
11h 08m
1 stop
£717American Airlines
Mon, 21 Sep - Mon, 28 Sep
Multiple Airlines Logo
10:30 - 22:15
LHR
-
ABE
16h 45m
2 stops
Multiple Airlines Logo
13:52 - 10:50
ABE
-
LHR
15h 58m
2 stops
£760Multiple Airlines
Mon, 21 Sep - Mon, 28 Sep
Virgin Atlantic Logo
13:25 - 23:08
LHR
-
ABE
14h 43m
1 stop
Virgin Atlantic Logo
06:30 - 06:25
ABE
-
LHR
18h 55m
1 stop
£767Virgin Atlantic
Sat, 4 Jul - Sat, 11 Jul
American Airlines Logo
08:55 - 22:15
MAN
-
ABE
18h 20m
2 stops
American Airlines Logo
17:18 - 14:20
ABE
-
MAN
16h 02m
2 stops
£777American Airlines
Tue, 17 Nov - Thu, 3 Dec
Air France Logo
09:40 - 23:08
LHR
-
ABE
18h 28m
2 stops
Air France Logo
12:53 - 06:25
ABE
-
LHR
12h 32m
1 stop
£783Air France
Sat, 4 Jul - Sat, 11 Jul
Virgin Atlantic Logo
09:40 - 23:08
LHR
-
ABE
18h 28m
2 stops
Virgin Atlantic Logo
06:30 - 06:25
ABE
-
LHR
18h 55m
1 stop
£785Virgin Atlantic
Sat, 4 Jul - Sat, 11 Jul
Delta Logo
06:15 - 17:30
LHR
-
ABE
16h 15m
2 stops
Delta Logo
06:30 - 06:20
ABE
-
LHR
18h 50m
2 stops
£788Delta
Sun, 5 Jul - Sun, 12 Jul
Multiple Airlines Logo
10:45 - 23:08
LHR
-
ABE
17h 23m
2 stops
Multiple Airlines Logo
12:53 - 06:25
ABE
-
LHR
12h 32m
1 stop
£793Multiple Airlines
Sat, 4 Jul - Sat, 11 Jul
Delta Logo
10:45 - 23:08
LHR
-
ABE
17h 23m
2 stops
Delta Logo
12:53 - 13:45
ABE
-
LHR
19h 52m
2 stops
£807Delta
Sat, 4 Jul - Sat, 11 Jul

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 21 May 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

Mon 21/9

18:05-18:10

2 stops29h 05m

Allentown-Bethlehem

Mon 28/9

20:02-12:10

1 stop11h 08m

£685
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 21/9

15:00-22:14

1 stop12h 14m

Allentown-Bethlehem

Mon 28/9

20:02-12:10

1 stop11h 08m

£717

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 21/9

10:30-22:15

2 stops16h 45m

Allentown-Bethlehem

Mon 28/9

13:52-10:50

2 stops15h 58m

£760

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 4/7

13:25-23:08

1 stop14h 43m

Allentown-Bethlehem

Sat 11/7

06:30-06:25

1 stop18h 55m

£767

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Tue 17/11

08:55-22:15

2 stops18h 20m

Allentown-Bethlehem

Thu 3/12

17:18-14:20

2 stops16h 02m

£777

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 4/7

09:40-23:08

2 stops18h 28m

Allentown-Bethlehem

Sat 11/7

12:53-06:25

1 stop12h 32m

£783

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 4/7

09:40-23:08

2 stops18h 28m

Allentown-Bethlehem

Sat 11/7

06:30-06:25

1 stop18h 55m

£785

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 5/7

06:15-17:30

2 stops16h 15m

Allentown-Bethlehem

Sun 12/7

06:30-06:20

2 stops18h 50m

£788

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 4/7

10:45-23:08

2 stops17h 23m

Allentown-Bethlehem

Sat 11/7

12:53-06:25

1 stop12h 32m

£793

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 4/7

10:45-23:08

2 stops17h 23m

Allentown-Bethlehem

Sat 11/7

12:53-13:45

2 stops19h 52m

£807

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 45m and 18h 42m, 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

£485

Best Round-Trip Price

£685

Fastest flight time

13h 10m
The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £485 (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 £685 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 13h 10m (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?

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?

£105 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from New Orleans and is 81% 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 £1,199
London to Allentown-Bethlehem Flightsfrom £919
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,183
Bristol to Allentown-Bethlehem Flightsfrom £1,430
Birmingham to Allentown-Bethlehem Flightsfrom £1,199