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Flights to Allentown-Bethlehem

£427 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 4/5. 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.
American Airlines Logo
18:05 - 23:28
LHR
-
ABE
34h 23m
2 stops
American Airlines Logo
12:00 - 07:20
ABE
-
LHR
14h 20m
2 stops
£559American Airlines
Mon, 13 Apr - Thu, 23 Apr
American Airlines Logo
08:15 - 23:28
LHR
-
ABE
20h 13m
2 stops
American Airlines Logo
12:00 - 09:25
ABE
-
LHR
16h 25m
2 stops
£563American Airlines
Tue, 14 Apr - Wed, 22 Apr
American Airlines Logo
12:00 - 12:18
LHR
-
ABE
29h 18m
1 stop
American Airlines Logo
06:22 - 06:15
ABE
-
LHR
18h 53m
2 stops
£579American Airlines
Mon, 11 May - Sat, 23 May
Delta Logo
09:55 - 23:00
LHR
-
ABE
18h 05m
2 stops
Delta Logo
18:15 - 20:10
ABE
-
LHR
20h 55m
2 stops
£606Delta
Mon, 4 May - Mon, 18 May
KLM Logo
06:30 - 17:19
LHR
-
ABE
39h 49m
2 stops
KLM Logo
18:15 - 06:45
ABE
-
LHR
31h 30m
2 stops
£606KLM
Mon, 4 May - Mon, 18 May
Virgin Atlantic Logo
13:45 - 17:19
MAN
-
ABE
32h 34m
2 stops
Virgin Atlantic Logo
17:59 - 08:20
ABE
-
MAN
33h 21m
2 stops
£701Virgin Atlantic
Wed, 15 Apr - Wed, 22 Apr
Delta Logo
09:00 - 23:00
EDI
-
ABE
19h 00m
1 stop
Delta Logo
12:53 - 16:10
ABE
-
EDI
22h 17m
2 stops
£706Delta
Wed, 15 Apr - Wed, 22 Apr
Virgin Atlantic Logo
05:55 - 17:19
MAN
-
ABE
16h 24m
2 stops
Virgin Atlantic Logo
17:59 - 08:50
ABE
-
MAN
33h 51m
1 stop
£759Virgin Atlantic
Wed, 15 Apr - Wed, 22 Apr
United Airlines Logo
10:25 - 09:48
BHX
-
ABE
28h 23m
2 stops
United Airlines Logo
17:43 - 17:30
ABE
-
BHX
18h 47m
2 stops
£787United Airlines
Wed, 15 Apr - Wed, 22 Apr
United Airlines Logo
10:15 - 09:48
BHX
-
ABE
28h 33m
2 stops
United Airlines Logo
17:43 - 17:35
ABE
-
BHX
42h 52m
2 stops
£809United Airlines
Thu, 16 Apr - Mon, 20 Apr

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 5 March 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 13/4

18:05-23:28

2 stops34h 23m

Allentown-Bethlehem

Thu 23/4

12:00-07:20

2 stops14h 20m

£559
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 14/4

08:15-23:28

2 stops20h 13m

Allentown-Bethlehem

Wed 22/4

12:00-09:25

2 stops16h 25m

£563

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 11/5

12:00-12:18

1 stop29h 18m

Allentown-Bethlehem

Sat 23/5

06:22-06:15

2 stops18h 53m

£579

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 4/5

09:55-23:00

2 stops18h 05m

Allentown-Bethlehem

Mon 18/5

18:15-20:10

2 stops20h 55m

£606

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 4/5

06:30-17:19

2 stops39h 49m

Allentown-Bethlehem

Mon 18/5

18:15-06:45

2 stops31h 30m

£606

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Wed 15/4

13:45-17:19

2 stops32h 34m

Allentown-Bethlehem

Wed 22/4

17:59-08:20

2 stops33h 21m

£701

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 15/4

09:00-23:00

1 stop19h 00m

Allentown-Bethlehem

Wed 22/4

12:53-16:10

2 stops22h 17m

£706

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Wed 15/4

05:55-17:19

2 stops16h 24m

Allentown-Bethlehem

Wed 22/4

17:59-08:50

1 stop33h 51m

£759

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Wed 15/4

10:25-09:48

2 stops28h 23m

Allentown-Bethlehem

Wed 22/4

17:43-17:30

2 stops18h 47m

£787

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Thu 16/4

10:15-09:48

2 stops28h 33m

Allentown-Bethlehem

Mon 20/4

17:43-17:35

2 stops42h 52m

£809

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 40m and 10h 35m, 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

£427

Best Round-Trip Price

£559

Fastest flight time

12h 59m
The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £427 (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 £559 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 12h 59m (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 £259 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?

£130 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Orlando and is 76% 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 £1,120
London to Allentown-Bethlehem Flightsfrom £810
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,052
Birmingham to Allentown-Bethlehem Flightsfrom £1,461
Bristol to Allentown-Bethlehem Flightsfrom £1,215