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£506+ 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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ABE
30 Mar — 6 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 25 March 2025.

Return from

£506

One-way from

£1,322

Popular in

August

Cheapest in

April

Average price

£775
Virgin Atlantic
  • Virgin Atlantic
  • 14/5-20/5
  • 4 total stops
  • 36h 58m total
  • London to Allentown
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Delta
  • Delta
  • 3/7
  • 2 total stops
  • 15h 55m total
  • London to Allentown
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£117 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£44 potential savings vs. average return price).
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Average for return flights in March 2025
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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 25 March 2025.

Wed 14/509:00LHR - ABE
2 stops18h 55mVirgin Atlantic
Tue 20/513:12ABE - LHR
2 stops18h 03mVirgin Atlantic
Deal found 25/3£506
Wed 7/506:30LHR - ABE
2 stops21h 25mDelta
Wed 14/517:50ABE - LHR
2 stops21h 10mDelta
Deal found 24/3£537
Wed 7/513:05LHR - ABE
1 stop14h 50mKLM
Wed 14/517:50ABE - LHR
1 stop14h 40mKLM
Deal found 24/3£720
Mon 14/714:30LHR - ABE
2 stops14h 57mAmerican Airlines
Thu 7/806:27ABE - LHR
1 stop20h 13mAmerican Airlines
Deal found 25/3£766
Wed 7/506:00LHR - ABE
3 stops37h 24mMultiple Airlines
Wed 14/512:00ABE - LHR
3 stops42h 55mMultiple Airlines
Deal found 24/3£809
Mon 14/708:30LHR - ABE
1 stop13h 30mUnited Airlines
Tue 5/817:35ABE - LHR
1 stop13h 10mUnited Airlines
Deal found 25/3£975

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 25 March 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

Wed 14/5

09:00-22:55

2 stops18h 55m

Allentown-Bethlehem

Tue 20/5

13:12-12:15

2 stops18h 03m

£506

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 7/5

06:30-22:55

2 stops21h 25m

Allentown-Bethlehem

Wed 14/5

17:50-20:00

2 stops21h 10m

£537

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 7/5

13:05-22:55

1 stop14h 50m

Allentown-Bethlehem

Wed 14/5

17:50-13:30

1 stop14h 40m

£720

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 14/7

14:30-00:27

2 stops14h 57m

Allentown-Bethlehem

Wed 6/8

12:05-07:40

1 stop14h 35m

£766

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Wed 7/5

06:00-14:24

3 stops37h 24m

Allentown-Bethlehem

Wed 14/5

12:00-11:55

3 stops42h 55m

£809

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 14/7

08:30-17:00

1 stop13h 30m

Allentown-Bethlehem

Tue 5/8

17:35-11:45

1 stop13h 10m

£975

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Thu 3/7

06:30-17:25

2 stops15h 55m

£1,322

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Tue 8/4

14:10-22:18

2 stops37h 08m

£1,841

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Mon 7/4

20:10-16:55

2 stops25h 45m

£2,016

LondonAllentown

LHR - ABE

LHRABE

London Heathrow

Sun 30/3

08:00-21:25

2 stops18h 25m

£2,313

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 17 hours 55 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 most popular airlines that fly to Allentown?

The most popular airline flying from London to Allentown is Finnair.

Finnair

Finnair

From £618

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 25 March 2025.
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
Delta
8.0
Very Good
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

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, Birmingham offers the quickest one-way flight (15 hours 41 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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