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Flights to Allentown-Bethlehem

£418 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 3/11. 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
11:00 - 23:22
LHR
-
ABE
17h 22m
2 stops
Finnair Logo
05:45 - 06:15
ABE
-
LHR
19h 30m
2 stops
£646Finnair
Fri, 18 Sep - Tue, 22 Sep
Virgin Atlantic Logo
16:50 - 22:29
LHR
-
ABE
34h 39m
2 stops
Virgin Atlantic Logo
18:00 - 07:50
ABE
-
LHR
32h 50m
1 stop
£683Virgin Atlantic
Mon, 2 Nov - Sun, 8 Nov
Virgin Atlantic Logo
16:50 - 22:29
LHR
-
ABE
34h 39m
2 stops
Virgin Atlantic Logo
18:00 - 13:50
ABE
-
LHR
38h 50m
2 stops
£697Virgin Atlantic
Mon, 2 Nov - Sun, 8 Nov
KLM Logo
11:15 - 22:26
LHR
-
ABE
16h 11m
1 stop
KLM Logo
18:08 - 13:15
ABE
-
LHR
14h 07m
1 stop
£701KLM
Fri, 18 Sep - Tue, 22 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
£769United Airlines
Thu, 17 Sep - Mon, 21 Sep
United Airlines Logo
08:45 - 09:39
LHR
-
ABE
29h 54m
2 stops
United Airlines Logo
17:36 - 20:40
ABE
-
LHR
22h 04m
2 stops
£771United Airlines
Thu, 17 Sep - Mon, 21 Sep
American Airlines Logo
10:30 - 23:22
EDI
-
ABE
17h 52m
2 stops
American Airlines Logo
05:45 - 07:40
ABE
-
EDI
20h 55m
2 stops
£787American Airlines
Wed, 16 Sep - Tue, 22 Sep
American Airlines Logo
10:30 - 22:18
EDI
-
ABE
16h 48m
2 stops
American Airlines Logo
11:35 - 10:20
ABE
-
EDI
17h 45m
2 stops
£801American Airlines
Wed, 16 Sep - Sun, 20 Sep
Delta Logo
09:00 - 22:26
EDI
-
ABE
18h 26m
1 stop
Delta Logo
12:56 - 10:40
ABE
-
EDI
16h 44m
2 stops
£809Delta
Wed, 16 Sep - Mon, 21 Sep
Delta Logo
09:00 - 17:21
EDI
-
ABE
13h 21m
1 stop
Delta Logo
18:08 - 11:50
ABE
-
EDI
12h 42m
1 stop
£812Delta
Wed, 16 Sep - Tue, 22 Sep

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 2 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

Fri 18/9

11:00-23:22

2 stops17h 22m

Allentown-Bethlehem

Tue 22/9

05:45-06:15

2 stops19h 30m

£646

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 2/11

16:50-22:29

2 stops34h 39m

Allentown-Bethlehem

Sun 8/11

18:00-07:50

1 stop32h 50m

£683

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 2/11

16:50-22:29

2 stops34h 39m

Allentown-Bethlehem

Sun 8/11

18:00-13:50

2 stops38h 50m

£697

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 18/9

11:15-22:26

1 stop16h 11m

Allentown-Bethlehem

Tue 22/9

18:08-13:15

1 stop14h 07m

£701

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

£769

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 17/9

08:45-09:39

2 stops29h 54m

Allentown-Bethlehem

Mon 21/9

17:36-20:40

2 stops22h 04m

£771

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 16/9

10:30-23:22

2 stops17h 52m

Allentown-Bethlehem

Tue 22/9

05:45-07:40

2 stops20h 55m

£787

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 16/9

10:30-22:18

2 stops16h 48m

Allentown-Bethlehem

Sun 20/9

11:35-10:20

2 stops17h 45m

£801

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 16/9

09:00-22:26

1 stop18h 26m

Allentown-Bethlehem

Mon 21/9

12:56-10:40

2 stops16h 44m

£809
Fastest return journey

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 16/9

09:00-17:21

1 stop13h 21m

Allentown-Bethlehem

Tue 22/9

18:08-11:50

1 stop12h 42m

£812

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 13h 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

£418

Best Round-Trip Price

£646

Fastest flight time

13h 23m
The best one-way flight price to Allentown from United Kingdom in the last 5 days is £418 (London Heathrow to Allentown-Bethlehem).
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The best round-trip flight price to Allentown from United Kingdom in the last 5 days is £646 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 13h 23m (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 £288 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?

£161 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Orlando and is 66% 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 £1,024
Birmingham to Allentown-Bethlehem Flightsfrom £1,242
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,111
Bristol to Allentown-Bethlehem Flightsfrom £6,706
Manchester to Allentown-Bethlehem Flightsfrom £1,134