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Travel Guide

£392+ Cheap flights to Allentown

— ABE
25 Sep — 2 Oct1
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

Mon 16/1111:00 -
1 stop16h 59m
Mon 7/1218:15 -
1 stop12h 20m
Deal found 26/8£658
Mon 16/1106:30 -
2 stops39h 45m
Mon 7/1212:50 -
1 stop12h 35m
Deal found 26/8£682
Sat 19/910:30 -
2 stops17h 52m
Thu 10/1211:44 -
2 stops17h 41m
Deal found 22/8£695
Fri 9/1006:50 -
2 stops15h 18m
Fri 16/1017:43 -
1 stop13h 12m
Deal found 25/8£696
Tue 22/906:30 -
2 stops20h 46m
Tue 29/912:56 -
1 stop12h 29m
Deal found 23/8£703
Tue 13/1010:30 -
2 stops16h 42m
Thu 22/1018:44 -
1 stop12h 31m
Deal found 22/8£705
Sat 19/915:50 -
2 stops30h 29m
Thu 10/1206:39 -
2 stops19h 11m
Deal found 22/8£715
Tue 22/909:20 -
1 stop13h 01m
Tue 29/918:08 -
1 stop14h 07m
Deal found 23/8£722
Mon 19/1014:10 -
1 stop24h 25m
Sun 25/1017:36 -
1 stop14h 24m
Deal found 24/8£741
Fri 9/1006:15 -
2 stops16h 01m
Fri 16/1013:00 -
2 stops18h 05m
Deal found 25/8£768

Find flight deals to Allentown

Return from

£658

One-way from

£392
16/11-7/12
  • 16/11-7/12
  • 2 total stops
  • 29h 19m total
  • London to Allentown
Search Deals
10/11
  • 10/11
  • 2 total stops
  • 44h 10m total
  • London to Allentown
Search Deals

Cheapflights Fare Finder

 
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

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 16/11

11:00-22:59

1 stop16h 59m

Allentown-Bethlehem

Mon 7/12

18:15-11:35

1 stop12h 20m

£658

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 16/11

08:40-22:27

2 stops18h 47m

Allentown-Bethlehem

Mon 7/12

06:39-09:50

2 stops22h 11m

£682

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sat 19/9

10:30-23:22

2 stops17h 52m

Allentown-Bethlehem

Thu 10/12

11:44-10:25

2 stops17h 41m

£695

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Fri 9/10

06:50-17:08

2 stops15h 18m

Allentown-Bethlehem

Fri 16/10

17:43-11:55

1 stop13h 12m

£696

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 22/9

06:30-22:16

2 stops20h 46m

Allentown-Bethlehem

Tue 29/9

12:56-06:25

1 stop12h 29m

£703

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sat 19/9

15:50-17:19

2 stops30h 29m

Allentown-Bethlehem

Thu 10/12

06:39-06:50

2 stops19h 11m

£715
Fastest return journey

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 22/9

09:20-17:21

1 stop13h 01m

Allentown-Bethlehem

Tue 29/9

18:08-13:15

1 stop14h 07m

£722

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 13/10

06:15-17:16

2 stops16h 01m

Allentown-Bethlehem

Thu 22/10

06:39-07:10

2 stops19h 31m

£722

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 19/10

14:10-09:35

1 stop24h 25m

Allentown-Bethlehem

Sun 25/10

17:36-12:00

1 stop14h 24m

£741

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Fri 9/10

06:15-17:16

2 stops16h 01m

Allentown-Bethlehem

Fri 16/10

13:00-12:05

2 stops18h 05m

£768

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 21 resultsSorted by cheapest first
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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

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 6 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

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

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, London offers the quickest one-way flight (15 hours 6 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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