Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Allentown from $120

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 12/11. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
United Airlines Logo
7:00 am - 9:58 amORD-ABE
1h 58mnonstop
United Airlines Logo
6:33 am - 8:05 amABE-ORD
2h 32mnonstop
$209United Airlines
Find Deal
Thu, Feb 12 - Thu, Feb 19
Delta Logo
1:20 pm - 10:11 pmORD-ABE
7h 51m1 stop
Delta Logo
12:54 pm - 6:43 pmABE-ORD
6h 49m1 stop
$229Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
Delta Logo
8:55 am - 10:11 pmORD-ABE
12h 16m2 stops
Delta Logo
12:54 pm - 6:43 pmABE-ORD
6h 49m1 stop
$234Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
Delta Logo
8:55 am - 10:11 pmORD-ABE
12h 16m2 stops
Delta Logo
6:25 am - 4:57 pmABE-ORD
11h 32m2 stops
$239Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
Multiple Airlines Logo
6:48 am - 11:35 pmORD-ABE
15h 47m1 stop
Multiple Airlines Logo
12:11 pm - 10:42 amABE-ORD
23h 31m1 stop
$241Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Multiple Airlines Logo
6:48 am - 11:35 pmORD-ABE
15h 47m1 stop
Multiple Airlines Logo
6:24 pm - 12:11 amABE-ORD
30h 47m2 stops
$242Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
American Airlines Logo
5:00 am - 1:15 pmORD-ABE
7h 15m1 stop
American Airlines Logo
2:00 pm - 5:55 pmABE-ORD
4h 55m1 stop
$249American Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
Delta Logo
4:26 pm - 10:12 pmORD-ABE
4h 46m1 stop
Delta Logo
6:10 am - 4:24 pmABE-ORD
11h 14m2 stops
$254Delta
Find Deal
Sat, Nov 15 - Tue, Nov 18
American Airlines Logo
5:34 pm - 11:06 pmORD-ABE
4h 32m1 stop
American Airlines Logo
6:10 am - 11:03 amABE-ORD
5h 53m1 stop
$258American Airlines
Find Deal
Thu, Dec 11 - Sun, Dec 14
Delta Logo
10:46 am - 10:12 pmORD-ABE
10h 26m2 stops
Delta Logo
6:10 am - 4:24 pmABE-ORD
11h 14m2 stops
$259Delta
Find Deal
Sat, Nov 15 - Tue, Nov 18

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
Feb 12
ORD7:00 amChicago O'Hare Intl
1h 58m
ABE9:58 amAllentown-Bethlehem
Feb 19
ABE6:33 amAllentown-Bethlehem
2h 32m
ORD8:05 amChicago O'Hare Intl
$209
Find similar
United Airlines
Nov 11
ORD8:45 amChicago O'Hare Intl
2h 03m
ABE11:48 amAllentown-Bethlehem
Nov 15
ABE1:00 pmAllentown-Bethlehem
2h 33m
ORD2:33 pmChicago O'Hare Intl
$229
Find similar
United Airlines
Dec 4
ORD8:45 amChicago O'Hare Intl
2h 07m
ABE11:52 amAllentown-Bethlehem
Dec 6
ABE5:22 pmAllentown-Bethlehem
2h 33m
ORD6:55 pmChicago O'Hare Intl
$279
Find similar

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
Dec 4
ORD1:20 pmChicago O'Hare Intl
7h 51m
1 stop
ABE10:11 pmAllentown-Bethlehem
Dec 6
ABE12:54 pmAllentown-Bethlehem
6h 49m
1 stop
ORD6:43 pmChicago O'Hare Intl
$229
Find similar
Delta
Dec 4
ORD8:55 amChicago O'Hare Intl
12h 16m
2 stops
ABE10:11 pmAllentown-Bethlehem
Dec 6
ABE12:54 pmAllentown-Bethlehem
6h 49m
1 stop
ORD6:43 pmChicago O'Hare Intl
$234
Find similar
Delta
Dec 4
ORD8:55 amChicago O'Hare Intl
12h 16m
2 stops
ABE10:11 pmAllentown-Bethlehem
Dec 6
ABE6:25 amAllentown-Bethlehem
11h 32m
2 stops
ORD4:57 pmChicago O'Hare Intl
$239
Find similar

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 October 29, 2025.
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

Thu 2/12

7:00 am-9:58 am

Nonstop1h 58m

Allentown-Bethlehem

Thu 2/19

6:33 am-8:05 am

Nonstop2h 32m

$209

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 12/4

1:20 pm-10:11 pm

1 stop7h 51m

Allentown-Bethlehem

Sat 12/6

12:54 pm-6:43 pm

1 stop6h 49m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 12/4

8:55 am-10:11 pm

2 stops12h 16m

Allentown-Bethlehem

Sat 12/6

12:54 pm-6:43 pm

1 stop6h 49m

$234

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 12/4

8:55 am-10:11 pm

2 stops12h 16m

Allentown-Bethlehem

Sat 12/6

6:25 am-4:57 pm

2 stops11h 32m

$239

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 11/13

6:48 am-11:35 pm

1 stop15h 47m

Allentown-Bethlehem

Sun 11/16

12:11 pm-10:42 am

1 stop23h 31m

$241

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 11/13

6:48 am-11:35 pm

1 stop15h 47m

Allentown-Bethlehem

Sun 11/16

6:24 pm-12:11 am

2 stops30h 47m

$242

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Tue 11/11

5:00 am-1:15 pm

1 stop7h 15m

Allentown-Bethlehem

Sat 11/15

2:00 pm-5:55 pm

1 stop4h 55m

$249

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 11/15

4:26 pm-10:12 pm

1 stop4h 46m

Allentown-Bethlehem

Tue 11/18

6:10 am-4:24 pm

2 stops11h 14m

$254

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 12/11

5:34 pm-11:06 pm

1 stop4h 32m

Allentown-Bethlehem

Sun 12/14

6:10 am-11:03 am

1 stop5h 53m

$258

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 11/15

10:46 am-10:12 pm

2 stops10h 26m

Allentown-Bethlehem

Tue 11/18

6:10 am-4:24 pm

2 stops11h 14m

$259

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $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 $677.

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 $359. 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 $516.

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.

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

$273

Fastest flight time

1h 58m

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 $273. The best round-trip flight deal from Chicago O'Hare Intl Airport to Allentown found on momondo in the last 72 hours is $209.
The fastest flight from Chicago O'Hare Intl Airport to Allentown takes 1h 58m
Direct flights go from Chicago O'Hare Intl Airport to Allentown every day.
There is 1 airport near Allentown: 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 58m 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
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights

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

    Across 17 United Airlines flights from Chicago O'Hare Intl Airport to Allentown this week, the average price was $486, with the best United Airlines deals starting from $245 round-trip. 8,999 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
Lehighton

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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 11/28
Fri 12/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States