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Cheap flights from Chicago O'Hare Intl Airport to Allentown from $99

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 O'Hare Intl Airport to Allentown departing on 3/5. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Allentown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:16 am - 12:20 pm
ORD
-
ABE
5h 04m
1 stop
American Airlines Logo
6:04 am - 12:35 pm
ABE
-
ORD
7h 31m
1 stop
$205American Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
7:00 am - 10:01 am
ORD
-
ABE
2h 01mnonstop
United Airlines Logo
6:30 pm - 7:59 pm
ABE
-
ORD
2h 29mnonstop
$209United Airlines
Mon, Mar 2 - Sat, Mar 7
Delta Logo
5:25 am - 12:05 pm
ORD
-
ABE
5h 40m
1 stop
Delta Logo
12:56 pm - 6:49 pm
ABE
-
ORD
6h 53m
1 stop
$229Delta
Sat, Mar 7 - Thu, Mar 12
Delta Logo
6:30 am - 5:12 pm
ORD
-
ABE
9h 42m
2 stops
Delta Logo
5:58 pm - 11:54 pm
ABE
-
ORD
6h 56m
1 stop
$234Delta
Wed, Mar 4 - Mon, Mar 9
Delta Logo
6:30 am - 5:12 pm
ORD
-
ABE
9h 42m
2 stops
Delta Logo
6:32 am - 4:43 pm
ABE
-
ORD
11h 11m
2 stops
$239Delta
Wed, Mar 4 - Wed, Mar 11
Delta Logo
5:25 am - 12:05 pm
ORD
-
ABE
5h 40m
1 stop
Delta Logo
6:28 am - 4:41 pm
ABE
-
ORD
11h 13m
2 stops
$242Delta
Sat, Feb 21 - Wed, Feb 25
Delta Logo
5:25 am - 12:05 pm
ORD
-
ABE
5h 40m
1 stop
Delta Logo
5:58 pm - 11:56 pm
ABE
-
ORD
6h 58m
1 stop
$249Delta
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
7:00 am - 9:58 am
ORD
-
ABE
1h 58mnonstop
United Airlines Logo
6:15 am - 7:40 am
ABE
-
ORD
2h 25mnonstop
$251United Airlines
Fri, Apr 24 - Sun, Apr 26
Delta Logo
6:30 am - 5:12 pm
ORD
-
ABE
9h 42m
2 stops
Delta Logo
5:58 pm - 11:56 pm
ABE
-
ORD
6h 58m
1 stop
$254Delta
Sat, Feb 21 - Wed, Feb 25
Multiple Airlines Logo
10:01 am - 8:40 pm
ORD
-
ABE
9h 39m
1 stop
Multiple Airlines Logo
1:55 pm - 10:36 am
ABE
-
ORD
21h 41m
1 stop
$257Multiple Airlines
Fri, Mar 6 - Mon, Mar 9

United Airlines flights from Chicago O'Hare Intl Airport to Allentown

Our best United Airlines deals on Chicago O'Hare Intl Airport to Allentown flight tickets
United Airlines
Mar 2
ORD7:00 amChicago O'Hare Intl
2h 01m
ABE10:01 amAllentown-Bethlehem
Mar 7
ABE6:30 pmAllentown-Bethlehem
2h 29m
ORD7:59 pmChicago O'Hare Intl
$209
United Airlines
Feb 17
ORD7:00 amChicago O'Hare Intl
2h 01m
ABE10:01 amAllentown-Bethlehem
Feb 21
ABE5:23 pmAllentown-Bethlehem
2h 32m
ORD6:55 pmChicago O'Hare Intl
$249
United Airlines
Apr 24
ORD7:00 amChicago O'Hare Intl
1h 58m
ABE9:58 amAllentown-Bethlehem
Apr 26
ABE6:15 amAllentown-Bethlehem
2h 25m
ORD7:40 amChicago O'Hare Intl
$251

Delta flights from Chicago O'Hare Intl Airport to Allentown

Our best Delta deals on Chicago O'Hare Intl Airport to Allentown flight tickets
Delta
Mar 7
ORD5:25 amChicago O'Hare Intl
5h 40m
1 stop
ABE12:05 pmAllentown-Bethlehem
Mar 12
ABE12:56 pmAllentown-Bethlehem
6h 53m
1 stop
ORD6:49 pmChicago O'Hare Intl
$229
Delta
Mar 4
ORD6:30 amChicago O'Hare Intl
9h 42m
2 stops
ABE5:12 pmAllentown-Bethlehem
Mar 9
ABE5:58 pmAllentown-Bethlehem
6h 56m
1 stop
ORD11:54 pmChicago O'Hare Intl
$234
Delta
Mar 4
ORD6:30 amChicago O'Hare Intl
9h 42m
2 stops
ABE5:12 pmAllentown-Bethlehem
Mar 11
ABE6:32 amAllentown-Bethlehem
11h 11m
2 stops
ORD4:43 pmChicago O'Hare Intl
$239

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 February 6, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Tue 2/17

6:16 am-12:20 pm

1 stop5h 04m

Allentown-Bethlehem

Sat 2/21

6:04 am-12:35 pm

1 stop7h 31m

$205

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Mon 3/2

7:00 am-10:01 am

Nonstop2h 01m

Allentown-Bethlehem

Sat 3/7

6:30 pm-7:59 pm

Nonstop2h 29m

$209

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 3/7

5:25 am-12:05 pm

1 stop5h 40m

Allentown-Bethlehem

Thu 3/12

12:56 pm-6:49 pm

1 stop6h 53m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 3/4

6:30 am-5:12 pm

2 stops9h 42m

Allentown-Bethlehem

Mon 3/9

5:58 pm-11:54 pm

1 stop6h 56m

$234

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 3/4

6:30 am-5:12 pm

2 stops9h 42m

Allentown-Bethlehem

Wed 3/11

6:32 am-4:43 pm

2 stops11h 11m

$239

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 2/21

5:25 am-12:05 pm

1 stop5h 40m

Allentown-Bethlehem

Wed 2/25

6:28 am-4:41 pm

2 stops11h 13m

$242

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 2/21

5:25 am-12:05 pm

1 stop5h 40m

Allentown-Bethlehem

Wed 2/25

5:58 pm-11:56 pm

1 stop6h 58m

$249

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 4/24

7:00 am-9:58 am

Nonstop1h 58m

Allentown-Bethlehem

Sun 4/26

6:15 am-7:40 am

Nonstop2h 25m

$251

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 2/21

6:30 am-5:12 pm

2 stops9h 42m

Allentown-Bethlehem

Wed 2/25

5:58 pm-11:56 pm

1 stop6h 58m

$254

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 3/6

10:01 am-8:40 pm

1 stop9h 39m

Allentown-Bethlehem

Mon 3/9

1:55 pm-10:36 am

1 stop21h 41m

$257

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 O'Hare Intl Airport 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 cheapest month to fly to Allentown?

The month of September is, on average, the cheapest month to fly to Allentown from Chicago O'Hare Intl Airport, with most prices found around $184. If you aren’t able to travel to Allentown during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $249.

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

The cheapest day to depart from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport to Allentown when you can find flight prices for as low as $354. 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 O'Hare Intl to Allentown-Bethlehem flight route?

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

What cabin class options are available on Chicago O'Hare Intl to Allentown-Bethlehem flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Allentown flights?

You could potentially save up to 5% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Allentown flight.

How have Chicago O'Hare Intl Airport to Allentown flight prices changed over time?

When to book flights from Chicago O'Hare Intl Airport to Allentown

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Allentown according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Allentown (ORD to ABE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport in the past 72 hours is $308. The best round-trip flight deal from Chicago O'Hare Intl Airport to Allentown found on momondo in the last 72 hours is $275.
The fastest flight from Chicago O'Hare Intl Airport to Allentown takes 1h 56m
Direct flights go from Chicago O'Hare Intl Airport to Allentown every day.
There is 1 airport in Allentown. From Chicago O'Hare Intl Airport there are direct flights to Allentown-Bethlehem (ABE).
Search flight deals

  • How far is Chicago O'Hare Intl to Allentown-Bethlehem by plane?

    The distance between Chicago O'Hare Intl and Allentown-Bethlehem is about 651.5 mi. Typically, this will take 1h 56m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Allentown-Bethlehem Airport.

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

    The travel and health documents you'll need for your trip to Allentown-Bethlehem Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Allentown-Bethlehem Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Allentown?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Allentown?

Best airlines flying from Chicago O'Hare Intl Airport to Allentown

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Allentown with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,237 reviews
Search American Airlines flights
United AirlinesPriceFrom $229Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Allentown

    Across 20 United Airlines flights from Chicago O'Hare Intl Airport to Allentown this week, the average price was $389, with the best United Airlines deals starting from $229 round-trip. 9,240 users have rated United Airlines on momondo, with an average score of 7.4/10.

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
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Why use momondo?

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

It is quick and easy to find Chicago to Allentown flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Allentown that suits you.

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

momondo does allow users to show only those flights to Allentown from Chicago which offer a flexible booking policy as well as other useful filters and features.

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?

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

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