Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Allentown-Bethlehem

£500 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 14/6. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United Kingdom to Allentown

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:15 - 23:16
LHR
-
ABE
13h 01m
1 stop
Multiple Airlines Logo
17:06 - 11:15
ABE
-
LHR
13h 09m
1 stop
£749Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
15:15 - 23:16
LHR
-
ABE
13h 01m
1 stop
Multiple Airlines Logo
17:06 - 11:15
ABE
-
LHR
13h 09m
1 stop
£761Multiple Airlines
Fri, 29 May - Fri, 5 Jun
Delta Logo
06:30 - 22:18
LHR
-
ABE
20h 48m
2 stops
Delta Logo
06:23 - 06:25
ABE
-
LHR
19h 02m
1 stop
£777Delta
Fri, 29 May - Fri, 5 Jun
Delta Logo
08:40 - 22:18
LHR
-
ABE
18h 38m
2 stops
Delta Logo
06:23 - 06:25
ABE
-
LHR
19h 02m
1 stop
£779Delta
Thu, 28 May - Thu, 4 Jun
Delta Logo
06:30 - 22:18
LHR
-
ABE
20h 48m
2 stops
Delta Logo
06:23 - 07:15
ABE
-
LHR
19h 52m
2 stops
£810Delta
Thu, 28 May - Thu, 4 Jun
United Airlines Logo
09:00 - 10:06
EDI
-
ABE
54h 06m
2 stops
United Airlines Logo
17:36 - 08:25
ABE
-
EDI
33h 49m
1 stop
£898United Airlines
Thu, 24 Sep - Mon, 28 Sep
United Airlines Logo
08:00 - 17:01
LHR
-
ABE
14h 01m
1 stop
United Airlines Logo
10:38 - 06:45
ABE
-
LHR
15h 07m
1 stop
£906United Airlines
Wed, 27 May - Wed, 3 Jun
KLM Logo
05:45 - 22:18
EDI
-
ABE
21h 33m
2 stops
KLM Logo
06:23 - 07:05
ABE
-
EDI
19h 42m
2 stops
£933KLM
Thu, 28 May - Thu, 4 Jun
KLM Logo
09:00 - 22:18
EDI
-
ABE
18h 18m
1 stop
KLM Logo
06:23 - 07:05
ABE
-
EDI
19h 42m
2 stops
£942KLM
Thu, 28 May - Thu, 4 Jun
American Airlines Logo
11:25 - 17:14
EDI
-
ABE
34h 49m
2 stops
American Airlines Logo
17:06 - 18:35
ABE
-
EDI
20h 29m
2 stops
£1,150American Airlines
Wed, 10 Jun - Mon, 15 Jun

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 15 April 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
Fastest return journey

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 28/5

15:15-23:16

1 stop13h 01m

Allentown-Bethlehem

Thu 4/6

17:06-11:15

1 stop13h 09m

£749

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 29/5

15:15-23:16

1 stop13h 01m

Allentown-Bethlehem

Fri 5/6

17:06-11:15

1 stop13h 09m

£761

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 29/5

06:30-22:18

2 stops20h 48m

Allentown-Bethlehem

Fri 5/6

06:23-06:25

1 stop19h 02m

£777

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 28/5

08:40-22:18

2 stops18h 38m

Allentown-Bethlehem

Thu 4/6

06:23-06:25

1 stop19h 02m

£779

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 28/5

06:30-22:18

2 stops20h 48m

Allentown-Bethlehem

Thu 4/6

06:23-07:15

2 stops19h 52m

£810

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 24/9

09:00-10:06

2 stops54h 06m

Allentown-Bethlehem

Mon 28/9

17:36-08:25

1 stop33h 49m

£898

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 27/5

08:00-17:01

1 stop14h 01m

Allentown-Bethlehem

Wed 3/6

10:38-06:45

1 stop15h 07m

£906

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 28/5

05:45-22:18

2 stops21h 33m

Allentown-Bethlehem

Thu 4/6

06:23-07:05

2 stops19h 42m

£933

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Thu 28/5

09:00-22:18

1 stop18h 18m

Allentown-Bethlehem

Thu 4/6

06:23-07:05

2 stops19h 42m

£942

EdinburghAllentown

EDI - ABE

EDIABE

Edinburgh Turnhouse

Wed 10/6

11:25-17:14

2 stops34h 49m

Allentown-Bethlehem

Mon 15/6

17:06-18:35

2 stops20h 29m

£1,150

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Allentown from

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 14h 50m, 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

£500

Best Round-Trip Price

£749

Fastest flight time

14h 03m
The best one-way flight price to Allentown from United Kingdom in the last 72 hours is £500 (London Heathrow to Allentown-Bethlehem).
Search Deals
The best round-trip flight price to Allentown from United Kingdom in the last 72 hours is £749 (London Heathrow to Allentown-Bethlehem).
Search Deals
The fastest flight to Allentown from United Kingdom takes 14h 03m (Manchester to Allentown-Bethlehem).
Search Deals

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 £282 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?

£109 is the cheapest deal found on momondo in the last two weeks for a flight to Allentown. This flight is from Toronto and is 80% 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.

An easier way to manage your Allentown-Bethlehem trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 15/5
Fri 22/5
By creating a price alert you accept our terms of use and privacy policy.

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 £1,363
London to Allentown-Bethlehem Flightsfrom £1,015
Edinburgh Turnhouse to Allentown-Bethlehem Flightsfrom £1,217
Birmingham to Allentown-Bethlehem Flightsfrom £1,544
Bristol to Allentown-Bethlehem Flightsfrom £1,638