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

United Airlines, Delta, and Allegiant Air are the most popular carriers operating from Chicago to Allentown-Bethlehem

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

As of April 2026, 2 flights take off from Chicago and land in Allentown each day. The most common flight departure time for this route is 2:00PM, with 35% of daily flights taking off in the afternoon.

What airlines fly to Allentown?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Allentown from Chicago according to our data. United Airlines is the first choice among our users, with 47% 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.

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

As of April 2026, 18 flights take off from Chicago and land in Allentown each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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

Prices for flights from Chicago to Allentown-Bethlehem Airport are updated daily.

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

The number of operators available for flights from Chicago to Allentown-Bethlehem Airport is 2 as of April 2026.

How old do you have to be to fly from Chicago to Allentown-Bethlehem Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Allentown-Bethlehem Airport.

What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

The necessary travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$135 Cheap Flights from Chicago to Allentown in 2026

Q: What is the typical price of a round-trip flight between Chicago and Allentown?

Prices are currently low for flights on this route. Typical prices usually range from $348 to $212. The lowest price recently found on this route was $269.

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Find the cheapest flights from Chicago 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 - 10:03 am

ORD

ABE

2h 03mnonstop

5:40 pm - 7:05 pm

ABE

ORD

2h 25mnonstop

$269United Airlines

ven, mag 15 - sab, mag 16

9:16 am - 9:44 am

MDW

ABE

23h 28m

1 stop

1:41 pm - 11:09 am

ABE

MDW

22h 28m

2 stops

$286Multiple Airlines

gio, mag 14 - lun, mag 18

7:33 pm - 8:10 pm

ORD

ABE

23h 37m

1 stop

1:41 pm - 7:55 am

ABE

ORD

19h 14m

2 stops

$288Multiple Airlines

gio, mag 14 - lun, mag 18

6:23 am - 12:19 pm

MDW

ABE

4h 56m

1 stop

6:23 am - 11:56 am

ABE

MDW

6h 33m

1 stop

$289Delta

mer, mag 20 - mer, mag 27

3:00 pm - 10:18 pm

ORD

ABE

6h 18m

1 stop

6:23 am - 1:47 pm

ABE

ORD

8h 24m

1 stop

$289Delta

sab, mag 23 - lun, mag 25

1:22 pm - 10:18 pm

MDW

ABE

7h 56m

2 stops

6:23 am - 11:56 am

ABE

MDW

6h 33m

1 stop

$294Delta

sab, mag 23 - lun, mag 25

7:00 am - 10:03 am

ORD

ABE

2h 03mnonstop

2:23 pm - 3:47 pm

ABE

ORD

2h 24mnonstop

$295United Airlines

mer, mag 20 - mer, mag 27

9:05 am - 5:14 pm

ORD

ABE

7h 09m

1 stop

4:46 pm - 6:18 pm

ABE

ORD

2h 32mnonstop

$297American Airlines

mar, giu 2 - sab, giu 6

4:45 pm - 12:21 am

ORD

ABE

6h 36m

1 stop

5:46 pm - 11:58 pm

ABE

ORD

7h 12m

1 stop

$307American Airlines

mar, giu 2 - sab, giu 6

9:16 am - 9:44 am

MDW

ABE

23h 28m

1 stop

6:53 pm - 8:26 am

ABE

MDW

14h 33m

1 stop

$324Allegiant Air

gio, mag 14 - sab, mag 16

United Airlines flights from Chicago to Allentown

Our best United Airlines deals on Chicago to Allentown flight tickets

United Airlines

May 15

ORD7:00 amChicago O'Hare Intl

2h 03m

ABE10:03 amAllentown-Bethlehem

May 16

ABE5:40 pmAllentown-Bethlehem

2h 25m

ORD7:05 pmChicago O'Hare Intl

$269

United Airlines

May 20

ORD7:00 amChicago O'Hare Intl

2h 03m

ABE10:03 amAllentown-Bethlehem

May 27

ABE2:23 pmAllentown-Bethlehem

2h 24m

ORD3:47 pmChicago O'Hare Intl

$295

United Airlines

May 12

ORD10:30 amChicago O'Hare Intl

2h 08m

ABE1:38 pmAllentown-Bethlehem

May 16

ABE5:40 pmAllentown-Bethlehem

2h 25m

ORD7:05 pmChicago O'Hare Intl

$309

Delta flights from Chicago to Allentown

Our best Delta deals on Chicago to Allentown flight tickets

Delta

May 20

MDW6:23 amChicago Midway

4h 56m

1 stop

ABE12:19 pmAllentown-Bethlehem

May 27

ABE6:23 amAllentown-Bethlehem

6h 33m

1 stop

MDW11:56 amChicago Midway

$289

Delta

May 23

MDW9:23 amChicago Midway

11h 55m

2 stops

ABE10:18 pmAllentown-Bethlehem

May 27

ABE6:23 amAllentown-Bethlehem

6h 33m

1 stop

MDW11:56 amChicago Midway

$294

Delta

Sep 3

ORD11:30 amChicago O'Hare Intl

10h 26m

2 stops

ABE10:56 pmAllentown-Bethlehem

Sep 6

ABE6:30 amAllentown-Bethlehem

11h 06m

2 stops

ORD4:36 pmChicago O'Hare Intl

$300

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

ven 5/15

7:00 am-10:03 am

Nonstop2h 03m

Allentown-Bethlehem

sab 5/16

5:40 pm-7:05 pm

Nonstop2h 25m

$269

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

gio 5/14

9:16 am-9:44 am

1 stop23h 28m

Allentown-Bethlehem

lun 5/18

1:41 pm-11:09 am

2 stops22h 28m

$286

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

gio 5/14

7:33 pm-8:10 pm

1 stop23h 37m

Allentown-Bethlehem

lun 5/18

1:41 pm-7:55 am

2 stops19h 14m

$288

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

mer 5/20

6:23 am-12:19 pm

1 stop4h 56m

Allentown-Bethlehem

mer 5/27

6:23 am-11:56 am

1 stop6h 33m

$289

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

sab 5/23

3:00 pm-10:18 pm

1 stop6h 18m

Allentown-Bethlehem

lun 5/25

6:23 am-1:47 pm

1 stop8h 24m

$289

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

sab 5/23

1:22 pm-10:18 pm

2 stops7h 56m

Allentown-Bethlehem

lun 5/25

6:23 am-11:56 am

1 stop6h 33m

$294

Quickest round-trip

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

mer 5/20

7:00 am-10:03 am

Nonstop2h 03m

Allentown-Bethlehem

mer 5/27

2:23 pm-3:47 pm

Nonstop2h 24m

$295

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

mar 6/2

9:05 am-5:14 pm

1 stop7h 09m

Allentown-Bethlehem

sab 6/6

4:46 pm-6:18 pm

Nonstop2h 32m

$297

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

mar 6/2

4:45 pm-12:21 am

1 stop6h 36m

Allentown-Bethlehem

sab 6/6

5:46 pm-11:58 pm

1 stop7h 12m

$307

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

gio 5/14

9:16 am-9:44 am

1 stop23h 28m

Allentown-Bethlehem

sab 5/16

6:53 pm-8:26 am

1 stop14h 33m

$324

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 Chicago 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 typical price of a round-trip flight between Chicago and Allentown?

What is the cheapest month to fly to Allentown?

The month of December is, on average, the cheapest month to fly to Allentown from Chicago, with most prices found around $92. If you aren’t able to travel to Allentown during the month of December, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $128.

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

The cheapest day to depart from Chicago to Allentown is on a Saturday when prices can be found for as low as $319. 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 Chicago to Allentown when you can find flight prices for as low as $341. 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 $508.

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

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

Can stopping save me money on Chicago to Allentown flights?

You could potentially save up to 27% on your flight if you consider stops on a Chicago to Allentown flight.

How have Chicago to Allentown flight prices changed over time?

As of April 2026, prices for Chicago to Allentown flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Allentown

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Allentown according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Allentown (CHI to ABE) flight deals and tips

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

Best Price Found	$375
Fastest flight time	1h 58m
Direct flights	Every day
Airports in Allentown	1 airport

The best one-way flight to Allentown from Chicago in the past 72 hours is $375. The best round-trip flight deal from Chicago to Allentown found on momondo in the last 72 hours is $309.

The fastest flight from Chicago to Allentown takes 1h 58m

Direct flights go from Chicago to Allentown every day.

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

Search flight deals

Frequently asked questions about flying from Chicago to Allentown

How far is Chicago to Allentown-Bethlehem by plane?
The distance between Chicago and Allentown-Bethlehem is about 636.8 mi. Flights usually cover this in 1h 58m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to Allentown-Bethlehem Airport?
Prices for flights from Chicago to Allentown-Bethlehem Airport are updated daily.
How many operators does momondo search for flights from Chicago to Allentown-Bethlehem Airport?
The number of operators available for flights from Chicago to Allentown-Bethlehem Airport is 2 as of April 2026.
How old do you have to be to fly from Chicago to Allentown-Bethlehem Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The necessary travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Allentown?
Based on momondo bookings for flights between Chicago and Allentown, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 36.76% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet with 11.03%, Embraer 170 with 10.29%, and Airbus A321 (sharklets) with 6.62%.
What is the most popular airline from Chicago to Allentown?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Allentown is United Airlines (82% of total bookings). The next most popular airline is American Airlines (18%).

Best airlines flying from Chicago to Allentown

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $158	Free Cancellation	Rating 7.1 11,677 reviews		Search American Airlines flights
United Airlines	PriceFrom $225	Free Cancellation	Rating 7.4 9,672 reviews		Search United Airlines flights

United Airlines Flights From Chicago to Allentown
The lowest priced United Airlines flight from Chicago to Allentown from the last 72 hours was $225. Generally, United Airlines has 9 flights on this route every week with an average price of $369. United Airlines is rated 7.4/10 by our users.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from Chicago.

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

Flights from Chicago to Allentown with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Allentown.

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

Yes. momondo can track prices for Chicago to Allentown flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.