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Flights to Allentown-Bethlehem

£476 Cheap flights to Allentown

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Allentown departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Virgin Atlantic Logo
12:30 - 22:50
LHR
-
ABE
15h 20m1 stop
Virgin Atlantic Logo
12:47 - 08:05
ABE
-
LHR
14h 18m2 stops
£476Virgin Atlantic
Mon, 9 Feb - Mon, 16 Feb
Virgin Atlantic Logo
10:10 - 22:50
LHR
-
ABE
17h 40m2 stops
Virgin Atlantic Logo
12:47 - 08:05
ABE
-
LHR
14h 18m2 stops
£483Virgin Atlantic
Mon, 9 Feb - Mon, 16 Feb
Virgin Atlantic Logo
08:55 - 17:12
LHR
-
ABE
13h 17m1 stop
Virgin Atlantic Logo
12:49 - 07:50
ABE
-
LHR
15h 01m1 stop
£513Virgin Atlantic
Thu, 5 Mar - Thu, 19 Mar
Virgin Atlantic Logo
10:10 - 22:49
LHR
-
ABE
17h 39m2 stops
Virgin Atlantic Logo
12:49 - 07:50
ABE
-
LHR
15h 01m2 stops
£527Virgin Atlantic
Thu, 5 Mar - Thu, 19 Mar
Virgin Atlantic Logo
12:30 - 22:10
LHR
-
ABE
14h 40m1 stop
Virgin Atlantic Logo
14:00 - 11:40
ABE
-
LHR
16h 40m1 stop
£536Virgin Atlantic
Sat, 7 Feb - Sat, 14 Feb
Delta Logo
06:30 - 22:10
LHR
-
ABE
20h 40m2 stops
Delta Logo
06:28 - 06:20
ABE
-
LHR
18h 52m2 stops
£552Delta
Sat, 7 Feb - Sat, 14 Feb
Delta Logo
10:45 - 22:10
LHR
-
ABE
16h 25m1 stop
Delta Logo
14:00 - 11:40
ABE
-
LHR
16h 40m1 stop
£564Delta
Sat, 7 Feb - Sat, 14 Feb
United Airlines Logo
09:00 - 10:41
LHR
-
ABE
30h 41m2 stops
United Airlines Logo
16:57 - 05:55
ABE
-
LHR
31h 58m1 stop
£622United Airlines
Thu, 5 Feb - Mon, 9 Feb
United Airlines Logo
09:00 - 10:01
LHR
-
ABE
30h 01m2 stops
United Airlines Logo
10:36 - 05:55
ABE
-
LHR
14h 19m1 stop
£647United Airlines
Thu, 12 Feb - Mon, 16 Feb
Multiple Airlines Logo
10:30 - 15:21
MAN
-
ABE
33h 51m1 stop
Multiple Airlines Logo
19:49 - 07:55
ABE
-
MAN
31h 06m1 stop
£1,365Multiple Airlines
Mon, 5 Jan - Sat, 10 Jan

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 27 December 2025.
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

Mon 9/2

12:30-22:50

1 stop15h 20m

Allentown-Bethlehem

Mon 16/2

12:47-08:05

2 stops14h 18m

£476

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 9/2

10:10-22:50

2 stops17h 40m

Allentown-Bethlehem

Mon 16/2

12:47-08:05

2 stops14h 18m

£483

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 5/3

08:55-17:12

1 stop13h 17m

Allentown-Bethlehem

Thu 19/3

12:49-07:50

1 stop15h 01m

£513

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 5/3

10:10-22:49

2 stops17h 39m

Allentown-Bethlehem

Thu 19/3

12:49-07:50

2 stops15h 01m

£527

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 7/2

12:30-22:10

1 stop14h 40m

Allentown-Bethlehem

Sat 14/2

14:00-11:40

1 stop16h 40m

£536

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 7/2

06:30-22:10

2 stops20h 40m

Allentown-Bethlehem

Sat 14/2

06:28-06:20

2 stops18h 52m

£552

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 7/2

10:45-22:10

1 stop16h 25m

Allentown-Bethlehem

Sat 14/2

14:00-11:40

1 stop16h 40m

£564

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 5/2

09:00-10:41

2 stops30h 41m

Allentown-Bethlehem

Mon 9/2

16:57-05:55

1 stop31h 58m

£622

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 12/2

09:00-10:01

2 stops30h 01m

Allentown-Bethlehem

Mon 16/2

10:36-05:55

1 stop14h 19m

£647

ManchesterAllentown

MAN - ABE

MANABE

Manchester

Mon 5/1

10:30-15:21

1 stop33h 51m

Allentown-Bethlehem

Sat 10/1

19:49-07:55

1 stop31h 06m

£1,365

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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What is the cheapest day to depart on your flight to Allentown?

The cheapest day to depart from United Kingdom to Allentown is on a Monday when prices can be found for as low as £464. Flights from United Kingdom to Allentown on a Sunday will generally be more expensive and average around £831. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Allentown?

Flying to Allentown from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £565 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of £606.

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

£652

Best Round-Trip Price

£476

Fastest flight time

12h 57m
The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £652 (Edinburgh Turnhouse to Allentown-Bethlehem).
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The best round-trip flight price to Allentown from United Kingdom in the last 72 hours is £476 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 12h 57m (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 £256 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?

£80 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Boston and is 83% 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 many operators does momondo search for flights to Allentown-Bethlehem Airport?

As of December 2025, there is 1 operator available to choose from for flights to Allentown-Bethlehem Airport.

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 £692
Manchester to Allentown-Bethlehem Flightsfrom £997
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,226
Birmingham to Allentown-Bethlehem Flightsfrom £1,116
Bristol to Allentown-Bethlehem Flightsfrom £1,745