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£563+ Cheap flights to Allentown

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ABE
17 Apr — 24 Apr1
1 adult

Flights to Allentown in 2025

Find the latest flights to Allentown in 2025, 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 12 April 2025.

Return from

£563

One-way from

£2,096

Popular in

August

Cheapest in

April

Average price

£524
Delta
  • Delta
  • 27/5-3/6
  • 4 total stops
  • 31h 24m total
  • London to Allentown
Delta
  • Delta
  • 9/5
  • 1 total stop
  • 14h 50m total
  • London to Allentown
Highest demand for flights based on searches. 18% potential increase in price (£115 potential increase over avg. return price).
Cheapest flight prices on average. 9% potential price decrease (£43 potential savings vs. average return price).
Average for return flights in April 2025

Find flight deals to Allentown

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 12 April 2025.

Fri 25/411:05LHR - ABE
1 stop15h 20mUnited Airlines
Fri 2/517:32ABE - LHR
1 stop13h 13mUnited Airlines
Deal found 11/4£940
Fri 25/406:00LHR - ABE
2 stops20h 25mMultiple Airlines
Fri 2/517:32ABE - LHR
2 stops17h 08mMultiple Airlines
Deal found 11/4£1,849

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 12 April 2025.
Use the filters below to find and compare flights to Allentown that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 25/4

11:05-21:25

1 stop15h 20m

Allentown-Bethlehem

Fri 2/5

17:32-11:45

1 stop13h 13m

£940

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 25/4

06:00-21:25

2 stops20h 25m

Allentown-Bethlehem

Fri 2/5

17:32-15:40

2 stops17h 08m

£1,849

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Fri 9/5

13:05-22:55

1 stop14h 50m

£2,096

Flights are sorted by cheapest return flights first.

Deals found on 11/4

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 15 hours 20 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.

What are the cheapest airlines that fly to Allentown?

The cheapest airline flying from London to Allentown is Finnair.

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).

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Allentown. Reviews last updated 12 April 2025.

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What is the best airline to fly to Allentown?

    Based on reviews from Cheapflights users, Finnair is rated the highest out of the airlines that fly to Allentown.

  • Where does the fastest flight to Allentown depart from?

    For those looking to save time traveling to Allentown, Edinburgh Turnhouse offers the quickest one-way flight (13 hours 19 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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