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£500+ Cheap flights to Allentown (ABE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
— ABE
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Flights to Allentown in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Allentown
Explore the most affordable flight options available to Allentown. Find the lowest fares based on data from user searches, with prices last updated on 17 April 2026.

Thu 28/515:15
LHR
-
ABE
1 stop13h 01m
Multiple Airlines
Thu 4/617:06
ABE
-
LHR
1 stop13h 09m
Multiple Airlines
Deal found 13/4£749
Fri 29/515:15
LHR
-
ABE
1 stop13h 01m
Multiple Airlines
Fri 5/617:06
ABE
-
LHR
1 stop13h 09m
Multiple Airlines
Deal found 14/4£761
Fri 29/506:30
LHR
-
ABE
2 stops20h 48m
Delta
Fri 5/606:23
ABE
-
LHR
1 stop19h 02m
Delta
Deal found 14/4£777
Thu 28/508:40
LHR
-
ABE
2 stops18h 38m
Delta
Thu 4/606:23
ABE
-
LHR
1 stop19h 02m
Delta
Deal found 13/4£779
Thu 18/606:30
LHR
-
ABE
2 stops21h 00m
Delta
Sat 4/713:12
ABE
-
LHR
2 stops18h 53m
Delta
Deal found 16/4£783
Sat 30/509:20
LHR
-
ABE
1 stop13h 08m
Virgin Atlantic
Sat 6/618:15
ABE
-
LHR
1 stop31h 10m
Virgin Atlantic
Deal found 15/4£785
Sat 30/506:15
LHR
-
ABE
2 stops16h 13m
Delta
Sat 6/606:23
ABE
-
LHR
2 stops18h 57m
Delta
Deal found 15/4£788
Sun 31/517:45
LHR
-
ABE
2 stops28h 43m
Delta
Sun 7/606:20
ABE
-
LHR
2 stops19h 25m
Delta
Deal found 16/4£797
Wed 27/508:00
LHR
-
ABE
1 stop14h 01m
United Airlines
Wed 3/610:38
ABE
-
LHR
1 stop15h 07m
United Airlines
Deal found 12/4£906

Find flight deals to Allentown

Find the latest flights to Allentown in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 17 April 2026.

Return from

£749

One-way from

£500
28/5-4/6
  • 28/5-4/6
  • 2 total stops
  • 26h 10m total
  • London to Allentown
Search Deals
14/6
  • 14/6
  • 3 total stops
  • 43h 16m total
  • London to Allentown
Search Deals

Cheapflights Fare Finder

 
Locate flights to Allentown that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 17 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

Thu 18/6

06:30-22:30

2 stops21h 00m

Allentown-Bethlehem

Sat 4/7

13:12-13:05

2 stops18h 53m

£783

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 30/5

06:15-17:28

2 stops16h 13m

Allentown-Bethlehem

Sat 6/6

06:23-06:20

2 stops18h 57m

£788

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

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 31/5

09:20-22:18

1 stop17h 58m

Allentown-Bethlehem

Sun 7/6

13:12-06:25

1 stop12h 13m

£860

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

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 29/5

06:30-22:18

2 stops20h 48m

Allentown-Bethlehem

Fri 5/6

06:23-07:10

2 stops19h 47m

£965

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 31/5

08:00-09:38

1 stop30h 38m

Allentown-Bethlehem

Sun 7/6

06:15-06:30

2 stops19h 15m

£1,032

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sat 30/5

08:00-17:01

1 stop14h 01m

Allentown-Bethlehem

Sat 6/6

14:23-10:00

2 stops14h 37m

£1,063

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Allentown

How long is the flight to Allentown?

On average, a flight from London to Allentown takes 18 hours 50 minutes. Flights to Allentown from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Allentown by month

Plan your trip to Allentown by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Allentown ranges from 69.0 - 127.0 inches per month. July is typically the wettest month, when rainfall can reach 127.0 mm. February is typically the driest time to visit Allentown when rainfall is around 69.0 mm.

Temperature in Allentown by month

Plan your trip to Allentown by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Allentown, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

FAQs about flying to Allentown

Getting around Allentown

Daily regional bus and coach services are available to New York City, Philadelphia and Atlantic City. A great way to discover the city environs is by bike and making use of the fabulous parks and gardens system, canal tow paths and extensive trails. Exploring on foot the main central area is a good option or try a walking tour of the historic districts in Allentown to soak up the ambience of this characterful American city.

Getting from the Airport to the City

Lehigh Valley International Airport (ABE) is easily accessible within 15 minutes from most parts of Allentown. There is a convenient local bus service provided by LANTA and several taxi and limo companies operating in the city.

  • What airport do you fly into for flights to Allentown?

    Most people fly into Allentown-Bethlehem (ABE) if they book a flight to Allentown. Allentown-Bethlehem is conveniently located just 3.9 mi from Allentown’s city center.

  • Can I find cheaper flights to Allentown if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Allentown on Cheapflights that require 1 or 2 stops for potential cost savings.

  • Where does the fastest flight to Allentown depart from?

    For those looking to save time traveling to Allentown, Manchester offers the quickest one-way flight (15 hours 51 minutes).

  • Does Allentown-Bethlehem have car hire?

    Yes. Those touching down at Allentown-Bethlehem can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Allentown-Bethlehem?

    Yes. Allentown-Bethlehem has hotels nearby for those requiring accommodations. Days Hotel by Wyndham Allentown Airport / Lehigh Valley is the closest property to Allentown-Bethlehem (0.0 mi away from Allentown-Bethlehem).

See more FAQs

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Yes, we can. To see specific flights to Allentown with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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