What airlines fly to Allentown?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Allentown from Illinois according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 6 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to Allentown-Bethlehem?

Delta is the most popular carrier operating from Illinois to Allentown-Bethlehem

How many flights depart from Illinois to Allentown on average per day?

As of February 2026, 2 flights take off from Illinois and land in Allentown each day. The most common flight departure time for this route is 6:00PM, with 40% of daily flights taking off in the evening.

How many flights depart from Illinois to Allentown on average per week?

As of February 2026, 15 flights take off from Illinois and land in Allentown each week. The most common flight departure day for this route is Wed, with 47% of weekly flights taking off on this day.

How long does it take to fly to Allentown?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Allentown you fly into. For example, flying from Chicago to Newark Airport takes 2h on average. On the other hand, flying from Peoria to Newark Airport takes 4h 40m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Illinois to Allentown-Bethlehem Airport?

Prices for flights from Illinois to Allentown-Bethlehem Airport refresh daily.

How many operators does momondo search for flights from Illinois to Allentown-Bethlehem Airport?

As of February 2026, there are 3 operators available to choose from for flights from Illinois to Allentown-Bethlehem Airport.

How old do you have to be to fly from Illinois 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 from Illinois 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.

$115 Cheap Flights from Illinois to Allentown in 2026

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Find the cheapest flights from Illinois to Allentown

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 9:56 am

ORD

ABE

1h 56mnonstop

6:51 pm - 8:20 pm

ABE

ORD

2h 29mnonstop

$209United Airlines

Wed, Mar 18 - Mon, Mar 23

5:00 am - 11:30 am

ORD

ABE

5h 30m

1 stop

5:18 pm - 6:39 pm

ABE

ORD

2h 21mnonstop

$219American Airlines

Thu, Mar 12 - Wed, Aug 19

5:00 am - 11:30 am

ORD

ABE

5h 30m

1 stop

8:07 pm - 11:48 pm

ABE

ORD

4h 41m

1 stop

$229American Airlines

Thu, Mar 12 - Wed, Aug 19

6:00 am - 12:16 pm

MDW

ABE

5h 16m

1 stop

5:58 pm - 10:31 pm

ABE

MDW

5h 33m

1 stop

$239Delta

Wed, Apr 8 - Sat, Apr 11

7:00 am - 10:01 am

ORD

ABE

2h 01mnonstop

2:55 pm - 4:27 pm

ABE

ORD

2h 32mnonstop

$249United Airlines

Tue, Feb 24 - Sat, Feb 28

7:00 am - 9:56 am

ORD

ABE

1h 56mnonstop

6:30 am - 7:51 am

ABE

ORD

2h 21mnonstop

$252United Airlines

Thu, Mar 12 - Wed, Aug 19

6:00 am - 12:05 pm

MDW

ABE

5h 05m

1 stop

5:58 pm - 10:31 pm

ABE

MDW

5h 33m

1 stop

$269Delta

Tue, Feb 24 - Sat, Feb 28

11:18 am - 5:12 pm

ORD

ABE

4h 54m

1 stop

5:58 pm - 11:56 pm

ABE

ORD

6h 58m

1 stop

$269Delta

Tue, Feb 24 - Sat, Feb 28

3:49 pm - 8:15 pm

STL

ABE

27h 26m

1 stop

1:49 pm - 6:51 am

ABE

STL

18h 02m

2 stops

$452Multiple Airlines

Wed, Feb 18 - Fri, Feb 20

3:49 pm - 8:15 pm

STL

ABE

27h 26m

1 stop

1:49 pm - 6:51 am

ABE

STL

18h 02m

2 stops

$483Multiple Airlines

Wed, Feb 18 - Fri, Feb 20

United Airlines flights from Illinois to Allentown

Our best United Airlines deals on Illinois to Allentown flight tickets

United Airlines

Feb 24

ORD7:00 amChicago O'Hare Intl

2h 01m

ABE10:01 amAllentown-Bethlehem

Feb 28

ABE2:55 pmAllentown-Bethlehem

2h 32m

ORD4:27 pmChicago O'Hare Intl

$249

United Airlines

Mar 12

ORD7:00 amChicago O'Hare Intl

1h 56m

ABE9:56 amAllentown-Bethlehem

Aug 19

ABE6:30 amAllentown-Bethlehem

2h 21m

ORD7:51 amChicago O'Hare Intl

$252

United Airlines

Jun 4

ORD7:00 amChicago O'Hare Intl

2h 06m

ABE10:06 amAllentown-Bethlehem

Jun 7

ABE6:15 amAllentown-Bethlehem

2h 25m

ORD7:40 amChicago O'Hare Intl

$294

Delta flights from Illinois to Allentown

Our best Delta deals on Illinois to Allentown flight tickets

Delta

Apr 8

MDW6:00 amChicago Midway

5h 16m

1 stop

ABE12:16 pmAllentown-Bethlehem

Apr 11

ABE5:58 pmAllentown-Bethlehem

5h 33m

1 stop

MDW10:31 pmChicago Midway

$239

Delta

Feb 24

MDW6:00 amChicago Midway

5h 05m

1 stop

ABE12:05 pmAllentown-Bethlehem

Feb 28

ABE5:58 pmAllentown-Bethlehem

5h 33m

1 stop

MDW10:31 pmChicago Midway

$269

Delta

Feb 24

MDW9:34 amChicago Midway

6h 38m

2 stops

ABE5:12 pmAllentown-Bethlehem

Feb 28

ABE5:58 pmAllentown-Bethlehem

5h 33m

1 stop

MDW10:31 pmChicago Midway

$274

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 3/18

7:00 am-9:56 am

Nonstop1h 56m

Allentown-Bethlehem

Mon 3/23

6:51 pm-8:20 pm

Nonstop2h 29m

$209

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 3/12

5:00 am-11:30 am

1 stop5h 30m

Allentown-Bethlehem

Wed 8/19

5:18 pm-6:39 pm

Nonstop2h 21m

$219

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 3/12

5:00 am-11:30 am

1 stop5h 30m

Allentown-Bethlehem

Wed 8/19

8:07 pm-11:48 pm

1 stop4h 41m

$229

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Wed 4/8

6:00 am-12:16 pm

1 stop5h 16m

Allentown-Bethlehem

Sat 4/11

5:58 pm-10:31 pm

1 stop5h 33m

$239

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Tue 2/24

7:00 am-10:01 am

Nonstop2h 01m

Allentown-Bethlehem

Sat 2/28

2:55 pm-4:27 pm

Nonstop2h 32m

$249

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 3/12

7:00 am-9:56 am

Nonstop1h 56m

Allentown-Bethlehem

Wed 8/19

6:30 am-7:51 am

Nonstop2h 21m

$252

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Tue 2/24

6:00 am-12:05 pm

1 stop5h 05m

Allentown-Bethlehem

Sat 2/28

5:58 pm-10:31 pm

1 stop5h 33m

$269

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Tue 2/24

11:18 am-5:12 pm

1 stop4h 54m

Allentown-Bethlehem

Sat 2/28

5:58 pm-11:56 pm

1 stop6h 58m

$269

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 2/18

3:49 pm-8:15 pm

1 stop27h 26m

Allentown-Bethlehem

Fri 2/20

1:49 pm-6:51 am

2 stops18h 02m

$452

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 2/18

3:49 pm-8:15 pm

1 stop27h 26m

Allentown-Bethlehem

Fri 2/20

1:49 pm-6:51 am

2 stops18h 02m

$483

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Allentown

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Allentown?

The month of May is, on average, the cheapest month to fly to Allentown from Illinois, with most prices found around $269. If you aren’t able to travel to Allentown during the month of May, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $279.

What is the cheapest day to depart on your flight to Allentown?

The cheapest day to depart from Illinois to Allentown is on a Saturday when prices can be found for as low as $303. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Monday is $627.

What is the cheapest time of day to depart on your flight to Allentown?

In the morning is the cheapest time of day to fly from Illinois to Allentown when you can find flight prices for as low as $356. Flying to Allentown in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $478.

What is the cheapest Illinois to Allentown-Bethlehem flight route?

Fly from Chicago O'Hare Intl to Allentown-Bethlehem for the best Illinois - Allentown-Bethlehem flight prices

What cabin class options are available on Illinois to Allentown-Bethlehem flights?

There are 3 cabin classes available to choose from on Illinois to Allentown-Bethlehem flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Allentown flights?

You could potentially save up to 17% on your flight if you consider stops on a Illinois to Allentown flight.

Cheap Illinois to Allentown flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Allentown

Best Price Found	$308
Fastest flight time	1h 56m
Direct flights	Every day
Airports in Allentown	1 airport

The best one-way flight to Allentown from Illinois in the past 72 hours is $308. The best round-trip flight deal from Illinois to Allentown found on momondo in the last 72 hours is $252.

The fastest flight from Illinois to Allentown takes 1h 56m

Direct flights go from Illinois to Allentown every day.

There is 1 airport in Allentown. From Illinois there are direct flights to Allentown-Bethlehem (ABE).

Search flight deals

When did momondo last update prices for flights from Illinois to Allentown-Bethlehem Airport?
Prices for flights from Illinois to Allentown-Bethlehem Airport refresh daily.
How many operators does momondo search for flights from Illinois to Allentown-Bethlehem Airport?
As of February 2026, there are 3 operators available to choose from for flights from Illinois to Allentown-Bethlehem Airport.
How old do you have to be to fly from Illinois 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 from Illinois 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.
What is the most popular plane model from Illinois to Allentown?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Allentown is Canadair (Bombardier) Regional Jet CRJ-550 (39.89% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet (9.29%), Airbus A321neo (8.20%), and Airbus A320neo (6.56%).

Best airlines flying from Illinois to Allentown

Compare and see reviews for airlines that fly from Illinois to Allentown with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $158	Free Cancellation	Rating 7.2 11,265 reviews		Search American Airlines flights
United Airlines	PriceFrom $249	Free Cancellation	Rating 7.4 9,273 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Allentown?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Allentown for you.

Can I find flights from Illinois to Allentown with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Allentown flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Allentown?

momondo provides multiple filters to help you find the best flight to Allentown from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Allentown right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Allentown flights. All you need is a valid email address and we will do the rest; it is that quick and easy.