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Flights to Allentown-Bethlehem

£465 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 1/12. 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.
Finnair Logo
17:05 - 16:35
LHR
-
ABE
28h 30m
2 stops
Finnair Logo
18:20 - 10:50
ABE
-
LHR
11h 30m
1 stop
£693Finnair
Thu, 15 Oct - Thu, 22 Oct
Virgin Atlantic Logo
13:25 - 17:15
LHR
-
ABE
32h 50m
1 stop
Virgin Atlantic Logo
18:00 - 13:15
ABE
-
LHR
14h 15m
1 stop
£728Virgin Atlantic
Thu, 15 Oct - Thu, 22 Oct
Delta Logo
10:45 - 22:29
LHR
-
ABE
16h 44m
2 stops
Delta Logo
13:00 - 13:05
ABE
-
LHR
19h 05m
2 stops
£752Delta
Thu, 15 Oct - Thu, 22 Oct
United Airlines Logo
08:45 - 09:39
LHR
-
ABE
29h 54m
2 stops
United Airlines Logo
10:32 - 11:55
ABE
-
LHR
20h 23m
1 stop
£771United Airlines
Thu, 17 Sep - Mon, 21 Sep
United Airlines Logo
08:45 - 09:39
LHR
-
ABE
29h 54m
2 stops
United Airlines Logo
10:32 - 11:55
ABE
-
LHR
20h 23m
1 stop
£772United Airlines
Thu, 17 Sep - Mon, 21 Sep
United Airlines Logo
08:45 - 09:39
LHR
-
ABE
29h 54m
2 stops
United Airlines Logo
10:32 - 11:55
ABE
-
LHR
20h 23m
1 stop
£772United Airlines
Thu, 17 Sep - Mon, 21 Sep
United Airlines Logo
06:55 - 21:00
LHR
-
ABE
19h 05m
2 stops
United Airlines Logo
17:36 - 06:45
ABE
-
LHR
32h 09m
1 stop
£775United Airlines
Sat, 12 Sep - Sun, 13 Sep
United Airlines Logo
07:30 - 16:56
LHR
-
ABE
38h 26m
2 stops
United Airlines Logo
10:32 - 07:55
ABE
-
LHR
40h 23m
2 stops
£775United Airlines
Thu, 17 Sep - Mon, 21 Sep
United Airlines Logo
07:30 - 09:39
LHR
-
ABE
31h 09m
2 stops
United Airlines Logo
17:36 - 11:55
ABE
-
LHR
13h 19m
1 stop
£776United Airlines
Thu, 17 Sep - Mon, 21 Sep
KLM Logo
05:55 - 17:23
BHX
-
ABE
40h 28m
2 stops
KLM Logo
18:04 - 16:50
ABE
-
BHX
17h 46m
2 stops
£1,135KLM
Mon, 17 Aug - Mon, 24 Aug

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 7 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

Thu 15/10

17:05-16:35

2 stops28h 30m

Allentown-Bethlehem

Thu 22/10

18:20-10:50

1 stop11h 30m

£693

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 15/10

13:25-17:15

1 stop32h 50m

Allentown-Bethlehem

Thu 22/10

18:00-13:15

1 stop14h 15m

£728
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 15/10

10:45-22:29

2 stops16h 44m

Allentown-Bethlehem

Thu 22/10

13:00-13:05

2 stops19h 05m

£752

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 17/9

08:45-09:39

2 stops29h 54m

Allentown-Bethlehem

Mon 21/9

10:32-11:55

1 stop20h 23m

£771

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 17/9

08:45-09:39

2 stops29h 54m

Allentown-Bethlehem

Mon 21/9

10:32-11:55

1 stop20h 23m

£772

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 17/9

08:45-09:39

2 stops29h 54m

Allentown-Bethlehem

Mon 21/9

10:32-11:55

1 stop20h 23m

£772

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 12/9

06:55-21:00

2 stops19h 05m

Allentown-Bethlehem

Sun 13/9

17:36-06:45

1 stop32h 09m

£775

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 17/9

07:30-16:56

2 stops38h 26m

Allentown-Bethlehem

Mon 21/9

10:32-07:55

2 stops40h 23m

£775

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 17/9

07:30-09:39

2 stops31h 09m

Allentown-Bethlehem

Mon 21/9

17:36-11:55

1 stop13h 19m

£776

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Mon 17/8

05:55-17:23

2 stops40h 28m

Allentown-Bethlehem

Mon 24/8

18:04-16:50

2 stops17h 46m

£1,135

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

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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 13h 15m, 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

£465

Best Round-Trip Price

£693

Fastest flight time

13h 17m
The best one-way flight price to Allentown from United Kingdom in the last 5 days is £465 (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 £693 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 13h 17m (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 £286 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?

£160 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Orlando and is 67% 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 £1,036
Birmingham to Allentown-Bethlehem Flightsfrom £1,615
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,139
Bristol to Allentown-Bethlehem Flightsfrom £1,763
Manchester to Allentown-Bethlehem Flightsfrom £1,227