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

American Airlines and Delta 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 December 2025, 7 flights take off from Chicago and land in Allentown each day. The most common flight departure time for this route is 1:00PM, with 45% 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 39% 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 December 2025, 49 flights take off from Chicago and land in Allentown each week. The most common flight departure day for this route is Mon, with 14% 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 December 2025.

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.

$131 Cheap Flights from Chicago to Allentown in 2025/26

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 $279 to $468. The lowest price recently found on this route was $209.

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Find the cheapest flights from Chicago to Allentown

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Enter your travel dates to find the best prices.

6:37 pm - 9:47 pmORD-ABE

2h 10mnonstop

4:57 pm - 6:34 pmABE-ORD

2h 37mnonstop

$209United Airlines

Find Deal

Thu, Jan 1 - Thu, Jan 8

6:37 pm - 9:47 pmORD-ABE

2h 10mnonstop

6:15 am - 7:58 amABE-ORD

2h 43mnonstop

$220United Airlines

Find Deal

Wed, Dec 31 - Wed, Jan 7

4:30 pm - 10:10 pmMDW-ABE

4h 40m1 stop

12:48 pm - 5:29 pmABE-MDW

5h 41m1 stop

$229Delta

Find Deal

Sat, Jan 31 - Wed, Feb 4

5:30 am - 12:05 pmORD-ABE

5h 35m1 stop

5:59 pm - 11:59 pmABE-ORD

7h 00m1 stop

$229Delta

Find Deal

Fri, Jan 9 - Mon, Jan 12

1:26 pm - 10:10 pmMDW-ABE

7h 44m2 stops

12:48 pm - 5:29 pmABE-MDW

5h 41m1 stop

$234Delta

Find Deal

Sat, Jan 31 - Wed, Feb 4

11:05 am - 10:50 pmORD-ABE

10h 45m2 stops

5:59 pm - 11:59 pmABE-ORD

7h 00m1 stop

$234Delta

Find Deal

Fri, Jan 9 - Mon, Jan 12

3:21 pm - 10:26 pmORD-ABE

6h 05m1 stop

12:01 pm - 4:06 pmABE-ORD

5h 05m1 stop

$249American Airlines

Find Deal

Sun, Feb 8 - Thu, Feb 26

7:20 am - 11:37 pmORD-ABE

15h 17m2 stops

3:42 pm - 2:19 pmABE-ORD

23h 37m1 stop

$267Multiple Airlines

Find Deal

Sun, Feb 8 - Thu, Feb 26

4:05 pm - 11:29 pmORD-ABE

6h 24m1 stop

6:04 am - 10:45 amABE-ORD

5h 41m1 stop

$269American Airlines

Find Deal

Fri, Dec 19 - Sun, Dec 21

3:10 pm - 4:49 pmMDW-ABE

24h 39m1 stop

4:05 pm - 11:31 amABE-MDW

20h 26m2 stops

$371Multiple Airlines

Find Deal

Wed, Dec 31 - Wed, Jan 7

United Airlines flights from Chicago to Allentown

Our best United Airlines deals on Chicago to Allentown flight tickets

United Airlines

Jan 1

ORD6:37 pmChicago O'Hare Intl

2h 10m

ABE9:47 pmAllentown-Bethlehem

Jan 8

ABE4:57 pmAllentown-Bethlehem

2h 37m

ORD6:34 pmChicago O'Hare Intl

$209

Find similar

United Airlines

Dec 31

ORD6:37 pmChicago O'Hare Intl

2h 10m

ABE9:47 pmAllentown-Bethlehem

Jan 7

ABE6:15 amAllentown-Bethlehem

2h 43m

ORD7:58 amChicago O'Hare Intl

$220

Find similar

United Airlines

Dec 16

ORD8:45 amChicago O'Hare Intl

2h 07m

ABE11:52 amAllentown-Bethlehem

Dec 23

ABE2:30 pmAllentown-Bethlehem

2h 43m

ORD4:13 pmChicago O'Hare Intl

$229

Find similar

American Airlines flights from Chicago to Allentown

Our best American Airlines deals on Chicago to Allentown flight tickets

American Airlines

Feb 8

ORD3:21 pmChicago O'Hare Intl

6h 05m

1 stop

ABE10:26 pmAllentown-Bethlehem

Feb 26

ABE12:01 pmAllentown-Bethlehem

5h 05m

1 stop

ORD4:06 pmChicago O'Hare Intl

$249

Find similar

American Airlines

Dec 19

ORD4:05 pmChicago O'Hare Intl

6h 24m

1 stop

ABE11:29 pmAllentown-Bethlehem

Dec 21

ABE6:04 amAllentown-Bethlehem

5h 41m

1 stop

ORD10:45 amChicago O'Hare Intl

$269

Find similar

American Airlines

Dec 25

ORD5:00 amChicago O'Hare Intl

5h 20m

1 stop

ABE11:20 amAllentown-Bethlehem

Dec 29

ABE5:15 pmAllentown-Bethlehem

7h 27m

1 stop

ORD11:42 pmChicago O'Hare Intl

$308

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 1/1

6:37 pm-9:47 pm

Nonstop2h 10m

Allentown-Bethlehem

Thu 1/8

4:57 pm-6:34 pm

Nonstop2h 37m

$209

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 12/31

6:37 pm-9:47 pm

Nonstop2h 10m

Allentown-Bethlehem

Wed 1/7

6:15 am-7:58 am

Nonstop2h 43m

$220

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Sat 1/31

4:30 pm-10:10 pm

1 stop4h 40m

Allentown-Bethlehem

Wed 2/4

12:48 pm-5:29 pm

1 stop5h 41m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 1/9

5:30 am-12:05 pm

1 stop5h 35m

Allentown-Bethlehem

Mon 1/12

5:59 pm-11:59 pm

1 stop7h 00m

$229

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Sat 1/31

1:26 pm-10:10 pm

2 stops7h 44m

Allentown-Bethlehem

Wed 2/4

12:48 pm-5:29 pm

1 stop5h 41m

$234

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 1/9

11:05 am-10:50 pm

2 stops10h 45m

Allentown-Bethlehem

Mon 1/12

5:59 pm-11:59 pm

1 stop7h 00m

$234

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sun 2/8

3:21 pm-10:26 pm

1 stop6h 05m

Allentown-Bethlehem

Thu 2/26

12:01 pm-4:06 pm

1 stop5h 05m

$249

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sun 2/8

7:20 am-11:37 pm

2 stops15h 17m

Allentown-Bethlehem

Thu 2/26

3:42 pm-2:19 pm

1 stop23h 37m

$267

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 12/19

4:05 pm-11:29 pm

1 stop6h 24m

Allentown-Bethlehem

Sun 12/21

6:04 am-10:45 am

1 stop5h 41m

$269

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Wed 12/31

3:10 pm-4:49 pm

1 stop24h 39m

Allentown-Bethlehem

Wed 1/7

4:05 pm-11:31 am

2 stops20h 26m

$371

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 May is, on average, the cheapest month to fly to Allentown from Chicago, with most prices found around $269. If you aren’t able to travel to Allentown during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $278.

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 $289. 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 $642.

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 $337. Flying to Allentown in the morning is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $505.

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

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

There are 3 cabin classes available to choose from on Chicago 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 Chicago to Allentown flights?

No. A direct flight is the cheapest option for a flight between Chicago to Allentown.

How have Chicago to Allentown flight prices changed over time?

As of December 2025, prices for Chicago to Allentown flights are approximately 37% 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	$308
Fastest flight time	2h 00m
Direct flights	Every day
Airports in Allentown	1 airport

The best one-way flight to Allentown from Chicago in the past 72 hours is $308. The best round-trip flight deal from Chicago to Allentown found on momondo in the last 72 hours is $279.

The fastest flight from Chicago to Allentown takes 2h 00m

Direct flights go from Chicago to Allentown every day.

There is 1 airport near Allentown: Allentown-Bethlehem (ABE)

Search flight deals

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 2h 00m, 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 December 2025.
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 42.51% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet with 17.96%, Airbus A321neo with 7.78%, and Boeing 737-900 with 6.59%.
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 (72% of total bookings). The next most popular airline is American Airlines (28%).

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 7.2 11,046 reviews		Search American Airlines flights
United Airlines	PriceFrom $245	Free Cancellation	Rating 7.4 9,065 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 $245. Generally, United Airlines has 21 flights on this route every week with an average price of $402. 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.

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Cheap flights from Chicago to Allentown from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Allentown departing on 12/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Chicago to Allentown

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Our best American Airlines deals on Chicago to Allentown flight tickets

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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

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 May is, on average, the cheapest month to fly to Allentown from Chicago, with most prices found around $269. If you aren’t able to travel to Allentown during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $278.

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 $289. 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 $642.

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

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

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

There are 3 cabin classes available to choose from on Chicago 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 Chicago to Allentown flights?

No. A direct flight is the cheapest option for a flight between Chicago to Allentown.

How have Chicago to Allentown flight prices changed over time?

As of December 2025, prices for Chicago to Allentown flights are approximately 37% cheaper when compared to flights at the same time last year.

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

American Airlines and Delta are the most popular carriers operating from Chicago to Allentown-Bethlehem

What airlines fly to Allentown?

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

As of December 2025, 7 flights take off from Chicago and land in Allentown each day. The most common flight departure time for this route is 1:00PM, with 45% of daily flights taking off in the afternoon.

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

As of December 2025, 49 flights take off from Chicago and land in Allentown each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

When to book flights from Chicago to Allentown

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

Fastest flight time

Direct flights

Airports in Allentown

How far is Chicago to Allentown-Bethlehem by plane?

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

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

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

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

What is the most popular plane model from Chicago to Allentown?

What is the most popular airline from Chicago to Allentown?

Best airlines flying from Chicago to Allentown

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

United Airlines Flights From Chicago to Allentown

Traveling to a place near Allentown?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Allentown trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Pennsylvania