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Flights to Allentown-Bethlehem

£406 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 16/6. 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
10:00 - 12:05
LHR
-
ABE
31h 05m
2 stops
Delta Logo
12:52 - 06:45
ABE
-
LHR
12h 53m
1 stop
£490Delta
Mon, 9 Feb - Wed, 29 Apr
Delta Logo
12:30 - 22:50
LHR
-
ABE
15h 20m
1 stop
Delta Logo
12:52 - 06:45
ABE
-
LHR
12h 53m
1 stop
£502Delta
Mon, 9 Feb - Wed, 29 Apr
Virgin Atlantic Logo
12:30 - 22:56
LHR
-
ABE
14h 26m
1 stop
Virgin Atlantic Logo
12:56 - 06:25
ABE
-
LHR
13h 29m
1 stop
£517Virgin Atlantic
Thu, 12 Mar - Thu, 19 Mar
Virgin Atlantic Logo
06:30 - 22:56
LHR
-
ABE
20h 26m
2 stops
Virgin Atlantic Logo
12:56 - 06:25
ABE
-
LHR
13h 29m
1 stop
£523Virgin Atlantic
Thu, 12 Mar - Thu, 19 Mar
Virgin Atlantic Logo
09:40 - 22:56
LHR
-
ABE
17h 16m
2 stops
Virgin Atlantic Logo
06:32 - 06:50
ABE
-
LHR
20h 18m
2 stops
£531Virgin Atlantic
Thu, 12 Mar - Thu, 19 Mar
Delta Logo
12:30 - 22:10
LHR
-
ABE
14h 40m
1 stop
Delta Logo
17:59 - 06:25
ABE
-
LHR
31h 26m
1 stop
£532Delta
Sat, 7 Feb - Sun, 26 Apr
United Airlines Logo
13:35 - 10:41
LHR
-
ABE
26h 06m
1 stop
United Airlines Logo
17:38 - 11:45
ABE
-
LHR
13h 07m
1 stop
£655United Airlines
Mon, 9 Feb - Sun, 26 Apr
United Airlines Logo
07:40 - 16:22
LHR
-
ABE
13h 42m
1 stop
United Airlines Logo
17:35 - 11:45
ABE
-
LHR
13h 10m
1 stop
£686United Airlines
Wed, 11 Feb - Thu, 30 Apr
American Airlines Logo
10:25 - 00:19
EDI
-
ABE
18h 54m
2 stops
American Airlines Logo
20:07 - 17:05
ABE
-
EDI
15h 58m
2 stops
£689American Airlines
Tue, 14 Jul - Wed, 5 Aug
American Airlines Logo
10:30 - 00:19
EDI
-
ABE
18h 49m
2 stops
American Airlines Logo
13:56 - 17:35
ABE
-
EDI
22h 39m
2 stops
£797American Airlines
Wed, 15 Jul - Thu, 6 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 28 January 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

Mon 9/2

10:00-12:05

2 stops31h 05m

Allentown-Bethlehem

Wed 29/4

12:52-06:45

1 stop12h 53m

£490

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 9/2

12:30-22:50

1 stop15h 20m

Allentown-Bethlehem

Wed 29/4

12:52-06:45

1 stop12h 53m

£502

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 12/3

12:30-22:56

1 stop14h 26m

Allentown-Bethlehem

Thu 19/3

12:56-06:25

1 stop13h 29m

£517

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 12/3

06:30-22:56

2 stops20h 26m

Allentown-Bethlehem

Thu 19/3

12:56-06:25

1 stop13h 29m

£523

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 12/3

09:40-22:56

2 stops17h 16m

Allentown-Bethlehem

Thu 19/3

06:32-06:50

2 stops20h 18m

£531

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 7/2

12:30-22:10

1 stop14h 40m

Allentown-Bethlehem

Sun 26/4

17:59-06:25

1 stop31h 26m

£532

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 9/2

13:35-10:41

1 stop26h 06m

Allentown-Bethlehem

Sun 26/4

17:38-11:45

1 stop13h 07m

£655

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 11/2

07:40-16:22

1 stop13h 42m

Allentown-Bethlehem

Thu 30/4

17:35-11:45

1 stop13h 10m

£686

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Tue 14/7

10:25-00:19

2 stops18h 54m

Allentown-Bethlehem

Wed 5/8

20:07-17:05

2 stops15h 58m

£689

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 15/7

10:30-00:19

2 stops18h 49m

Allentown-Bethlehem

Thu 6/8

13:56-17:35

2 stops22h 39m

£797

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 50m and 10h 25m, 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

£406

Best Round-Trip Price

£490

Fastest flight time

16h 05m
The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £406 (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 £490 (London Heathrow to Allentown-Bethlehem).
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The fastest flight to Allentown from United Kingdom takes 16h 05m (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 £252 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?

£70 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Houston and is 87% 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 £1,025
London to Allentown-Bethlehem Flightsfrom £710
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,548
Birmingham to Allentown-Bethlehem Flightsfrom £1,017
Bristol to Allentown-Bethlehem Flightsfrom £1,134