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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 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Chicago to Allentown

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 9:56 am
ORD
-
ABE
1h 56mnonstop
United Airlines Logo
6:51 pm - 8:20 pm
ABE
-
ORD
2h 29mnonstop
$209United Airlines
Tue, Mar 17 - Sun, Mar 22
Delta Logo
9:55 am - 5:14 pm
ORD
-
ABE
6h 19m
1 stop
Delta Logo
12:47 pm - 6:49 pm
ABE
-
ORD
7h 02m
1 stop
$229Delta
Wed, Feb 4 - Fri, Feb 13
Delta Logo
1:00 pm - 10:56 pm
MDW
-
ABE
8h 56m
2 stops
Delta Logo
6:30 am - 11:56 am
ABE
-
MDW
6h 26m
1 stop
$234Delta
Sat, May 9 - Sun, May 10
Delta Logo
6:50 am - 5:14 pm
ORD
-
ABE
9h 24m
2 stops
Delta Logo
12:47 pm - 6:49 pm
ABE
-
ORD
7h 02m
1 stop
$234Delta
Wed, Feb 4 - Fri, Feb 13
United Airlines Logo
7:00 am - 9:56 am
ORD
-
ABE
1h 56mnonstop
United Airlines Logo
6:30 pm - 7:59 pm
ABE
-
ORD
2h 29mnonstop
$242United Airlines
Thu, Mar 5 - Sat, Mar 7
United Airlines Logo
7:30 am - 10:41 am
ORD
-
ABE
2h 11mnonstop
United Airlines Logo
6:15 am - 7:58 am
ABE
-
ORD
2h 43mnonstop
$249United Airlines
Wed, Jan 28 - Sun, Feb 1
Delta Logo
6:00 am - 12:05 pm
MDW
-
ABE
5h 05m
1 stop
Delta Logo
5:58 pm - 10:31 pm
ABE
-
MDW
5h 33m
1 stop
$249Delta
Thu, Mar 5 - Sat, Mar 7
United Airlines Logo
1:22 pm - 4:22 pm
ORD
-
ABE
2h 00mnonstop
United Airlines Logo
10:36 am - 12:10 pm
ABE
-
ORD
2h 34mnonstop
$252United Airlines
Wed, Feb 4 - Fri, Feb 13
Delta Logo
1:00 pm - 10:56 pm
MDW
-
ABE
8h 56m
2 stops
Delta Logo
6:30 am - 11:56 am
ABE
-
MDW
6h 26m
1 stop
$254Delta
Sat, May 9 - Sun, May 10
Multiple Airlines Logo
5:15 am - 10:54 pm
ORD
-
ABE
40h 39m
2 stops
Multiple Airlines Logo
1:48 pm - 11:22 am
ABE
-
ORD
22h 34m
1 stop
$270Multiple Airlines
Thu, Feb 19 - Mon, Mar 2

American Airlines flights from Chicago to Allentown

Our best American Airlines deals on Chicago to Allentown flight tickets
American Airlines
Jan 30
ORD3:21 pmChicago O'Hare Intl
6h 05m
1 stop
ABE10:26 pmAllentown-Bethlehem
Feb 1
ABE1:02 pmAllentown-Bethlehem
7h 48m
1 stop
ORD7:50 pmChicago O'Hare Intl
$299
American Airlines
Jan 24
ORD6:05 amChicago O'Hare Intl
5h 27m
1 stop
ABE12:32 pmAllentown-Bethlehem
Jan 29
ABE7:30 amAllentown-Bethlehem
6h 52m
1 stop
ORD1:22 pmChicago O'Hare Intl
$304
American Airlines
Jan 30
ORD1:35 pmChicago O'Hare Intl
7h 51m
1 stop
ABE10:26 pmAllentown-Bethlehem
Feb 1
ABE1:02 pmAllentown-Bethlehem
5h 59m
1 stop
ORD6:01 pmChicago O'Hare Intl
$328

United Airlines flights from Chicago to Allentown

Our best United Airlines deals on Chicago to Allentown flight tickets
United Airlines
Mar 17
ORD7:00 amChicago O'Hare Intl
1h 56m
ABE9:56 amAllentown-Bethlehem
Mar 22
ABE6:51 pmAllentown-Bethlehem
2h 29m
ORD8:20 pmChicago O'Hare Intl
$209
United Airlines
Mar 5
ORD7:00 amChicago O'Hare Intl
1h 56m
ABE9:56 amAllentown-Bethlehem
Mar 7
ABE6:30 pmAllentown-Bethlehem
2h 29m
ORD7:59 pmChicago O'Hare Intl
$242
United Airlines
Jan 28
ORD7:30 amChicago O'Hare Intl
2h 11m
ABE10:41 amAllentown-Bethlehem
Feb 1
ABE6:15 amAllentown-Bethlehem
2h 43m
ORD7:58 amChicago O'Hare Intl
$249

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Allentown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Chicago to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Tue 3/17

7:00 am-9:56 am

Nonstop1h 56m

Allentown-Bethlehem

Sun 3/22

6:51 pm-8:20 pm

Nonstop2h 29m

$209

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 2/4

9:55 am-5:14 pm

1 stop6h 19m

Allentown-Bethlehem

Fri 2/13

12:47 pm-6:49 pm

1 stop7h 02m

$229

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Sat 5/9

1:00 pm-10:56 pm

2 stops8h 56m

Allentown-Bethlehem

Sun 5/10

6:30 am-11:56 am

1 stop6h 26m

$234

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 2/4

6:50 am-5:14 pm

2 stops9h 24m

Allentown-Bethlehem

Fri 2/13

12:47 pm-6:49 pm

1 stop7h 02m

$234

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 3/5

7:00 am-9:56 am

Nonstop1h 56m

Allentown-Bethlehem

Sat 3/7

6:30 pm-7:59 pm

Nonstop2h 29m

$242

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 1/28

7:30 am-10:41 am

Nonstop2h 11m

Allentown-Bethlehem

Sun 2/1

6:15 am-7:58 am

Nonstop2h 43m

$249

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Thu 3/5

6:00 am-12:05 pm

1 stop5h 05m

Allentown-Bethlehem

Sat 3/7

5:58 pm-10:31 pm

1 stop5h 33m

$249

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 2/4

1:22 pm-4:22 pm

Nonstop2h 00m

Allentown-Bethlehem

Fri 2/13

10:36 am-12:10 pm

Nonstop2h 34m

$252

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Sat 5/9

1:00 pm-10:56 pm

2 stops8h 56m

Allentown-Bethlehem

Sun 5/10

6:30 am-11:56 am

1 stop6h 26m

$254

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 2/19

5:15 am-10:54 pm

2 stops40h 39m

Allentown-Bethlehem

Mon 3/2

1:48 pm-11:22 am

1 stop22h 34m

$270

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Allentown from

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 $294. 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 $353. 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 $458.

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?

You could potentially save up to 4% 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 January 2026, prices for Chicago to Allentown flights are approximately 69% 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

1h 56m

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 $299.
The fastest flight from Chicago to Allentown takes 1h 56m
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

  • 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 56m, 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,129 reviews
Search American Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,163 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 20 flights on this route every week with an average price of $404. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
Lehighton

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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