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Flights to Allentown-Bethlehem

£391 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 7/4. 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.
Delta Logo
06:30 - 22:56
LHR
-
ABE
20h 26m
2 stops
Delta Logo
06:32 - 07:05
ABE
-
LHR
20h 33m
2 stops
£597Delta
Tue, 17 Mar - Tue, 24 Mar
Delta Logo
15:15 - 12:12
LHR
-
ABE
25h 57m
1 stop
Delta Logo
18:16 - 20:10
ABE
-
LHR
20h 54m
2 stops
£652Delta
Thu, 30 Apr - Mon, 11 May
Virgin Atlantic Logo
09:20 - 17:23
LHR
-
ABE
13h 03m
1 stop
Virgin Atlantic Logo
18:16 - 06:45
ABE
-
LHR
31h 29m
2 stops
£663Virgin Atlantic
Thu, 14 May - Mon, 18 May
Virgin Atlantic Logo
11:15 - 22:18
LHR
-
ABE
16h 03m
1 stop
Virgin Atlantic Logo
18:16 - 13:15
ABE
-
LHR
13h 59m
1 stop
£671Virgin Atlantic
Thu, 14 May - Mon, 18 May
Scandinavian Airlines Logo
09:20 - 17:19
LHR
-
ABE
12h 59m
1 stop
Scandinavian Airlines Logo
18:16 - 11:20
ABE
-
LHR
12h 04m
1 stop
£701Scandinavian Airlines
Thu, 30 Apr - Mon, 11 May
United Airlines Logo
10:25 - 20:50
LHR
-
ABE
14h 25m
1 stop
United Airlines Logo
18:51 - 11:15
ABE
-
LHR
12h 24m
1 stop
£732United Airlines
Tue, 17 Mar - Tue, 24 Mar
American Airlines Logo
16:55 - 00:22
LHR
-
ABE
12h 27m
1 stop
American Airlines Logo
12:57 - 09:05
ABE
-
LHR
15h 08m
1 stop
£741American Airlines
Thu, 16 Apr - Tue, 28 Apr
United Airlines Logo
06:00 - 09:56
BHX
-
ABE
32h 56m
2 stops
United Airlines Logo
18:51 - 12:45
ABE
-
BHX
37h 54m
2 stops
£786United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
13:00 - 09:56
MAN
-
ABE
25h 56m
2 stops
United Airlines Logo
18:51 - 12:20
ABE
-
MAN
37h 29m
2 stops
£788United Airlines
Wed, 4 Mar - Sun, 8 Mar
American Airlines Logo
16:55 - 00:29
LHR
-
ABE
12h 34m
1 stop
American Airlines Logo
12:00 - 06:55
ABE
-
LHR
13h 55m
1 stop
£898American Airlines
Fri, 3 Apr - Fri, 10 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 19 February 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

Tue 17/3

06:30-22:56

2 stops20h 26m

Allentown-Bethlehem

Tue 24/3

06:32-07:05

2 stops20h 33m

£597

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 30/4

15:15-12:12

1 stop25h 57m

Allentown-Bethlehem

Mon 11/5

18:16-20:10

2 stops20h 54m

£652

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 14/5

09:20-17:23

1 stop13h 03m

Allentown-Bethlehem

Mon 18/5

18:16-06:45

2 stops31h 29m

£663

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 14/5

11:15-22:18

1 stop16h 03m

Allentown-Bethlehem

Mon 18/5

18:16-13:15

1 stop13h 59m

£671

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 30/4

09:20-17:19

1 stop12h 59m

Allentown-Bethlehem

Mon 11/5

18:16-11:20

1 stop12h 04m

£701

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 17/3

10:25-20:50

1 stop14h 25m

Allentown-Bethlehem

Tue 24/3

18:51-11:15

1 stop12h 24m

£732

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 16/4

16:55-00:22

1 stop12h 27m

Allentown-Bethlehem

Tue 28/4

12:57-09:05

1 stop15h 08m

£741

BirminghamAllentown

BHX - ABE

BHXABE

Birmingham

Wed 4/3

06:00-09:56

2 stops32h 56m

Allentown-Bethlehem

Sun 8/3

18:51-12:45

2 stops37h 54m

£786

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Wed 4/3

13:00-09:56

2 stops25h 56m

Allentown-Bethlehem

Sun 8/3

18:51-12:20

2 stops37h 29m

£788

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 3/4

16:55-00:29

1 stop12h 34m

Allentown-Bethlehem

Fri 10/4

12:00-06:55

1 stop13h 55m

£898

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 50m and 11h 10m, 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

£391

Best Round-Trip Price

£597

Fastest flight time

13h 26m
The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £391 (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 £597 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 13h 26m (Manchester 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?

£37 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Houston and is 93% 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 £1,260
London to Allentown-Bethlehem Flightsfrom £883
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,465
Birmingham to Allentown-Bethlehem Flightsfrom £1,374
Bristol to Allentown-Bethlehem Flightsfrom £1,215