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Cheap flights from Chicago O'Hare Intl Airport to Allentown from $80

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 9/13. 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

American Airlines Logo
9:51 am - 6:30 pmORD-ABE
7h 39m1 stop
American Airlines Logo
2:37 pm - 8:27 pmABE-ORD
6h 50m1 stop
$159American Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 17
American Airlines Logo
9:51 am - 6:01 pmORD-ABE
7h 10m1 stop
American Airlines Logo
7:00 pm - 11:12 pmABE-ORD
5h 12m1 stop
$189American Airlines
Find Deal
Sat, Sep 6 - Tue, Sep 9
Delta Logo
9:50 am - 5:31 pmORD-ABE
6h 41m1 stop
Delta Logo
6:00 pm - 11:57 pmABE-ORD
6h 57m1 stop
$219Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
United Airlines Logo
1:45 pm - 4:53 pmORD-ABE
2h 08mnonstop
United Airlines Logo
5:28 pm - 6:55 pmABE-ORD
2h 27mnonstop
$229United Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31
American Airlines Logo
9:51 am - 6:01 pmORD-ABE
7h 10m1 stop
American Airlines Logo
7:59 pm - 11:39 pmABE-ORD
4h 40m1 stop
$234American Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 5
Logo
8:49 pm - 2:10 pmORD-ABE
16h 21m1 stop
Logo
11:45 am - 9:58 pmABE-ORD
11h 13m1 stop
$237
Find Deal
Sun, Sep 7 - Tue, Sep 9
Delta Logo
5:45 am - 12:16 pmORD-ABE
5h 31m1 stop
Delta Logo
6:12 pm - 10:14 pmABE-ORD
5h 02m1 stop
$239Delta
Find Deal
Sun, Aug 31 - Tue, Sep 30
United Airlines Logo
7:25 am - 10:37 amORD-ABE
2h 12mnonstop
United Airlines Logo
5:28 pm - 6:55 pmABE-ORD
2h 27mnonstop
$244United Airlines
Find Deal
Sat, Sep 6 - Tue, Sep 9
Logo
6:30 am - 10:47 pmORD-ABE
15h 17m1 stop
Logo
11:45 am - 10:52 amABE-ORD
24h 07m2 stops
$254
Find Deal
Sun, Sep 7 - Tue, Sep 9
American Airlines Logo
7:02 am - 2:05 pmORD-ABE
6h 03m1 stop
American Airlines Logo
7:00 pm - 11:12 pmABE-ORD
5h 12m1 stop
$259American Airlines
Find Deal
Fri, Oct 3 - Fri, Oct 3

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Allentown flight tickets
American Airlines
Sep 16
ORD9:51 amChicago O'Hare Intl
7h 39m
1 stop
ABE6:30 pmAllentown-Bethlehem
Sep 17
ABE2:37 pmAllentown-Bethlehem
6h 50m
1 stop
ORD8:27 pmChicago O'Hare Intl
$159
Find similar
American Airlines
Sep 6
ORD9:51 amChicago O'Hare Intl
7h 10m
1 stop
ABE6:01 pmAllentown-Bethlehem
Sep 9
ABE7:00 pmAllentown-Bethlehem
5h 12m
1 stop
ORD11:12 pmChicago O'Hare Intl
$189
Find similar
American Airlines
Oct 4
ORD9:51 amChicago O'Hare Intl
7h 10m
1 stop
ABE6:01 pmAllentown-Bethlehem
Oct 5
ABE7:59 pmAllentown-Bethlehem
4h 40m
1 stop
ORD11:39 pmChicago O'Hare Intl
$234
Find similar

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
Aug 27
ORD1:45 pmChicago O'Hare Intl
2h 08m
ABE4:53 pmAllentown-Bethlehem
Aug 31
ABE5:28 pmAllentown-Bethlehem
2h 27m
ORD6:55 pmChicago O'Hare Intl
$229
Find similar
United Airlines
Sep 6
ORD7:25 amChicago O'Hare Intl
2h 12m
ABE10:37 amAllentown-Bethlehem
Sep 9
ABE5:28 pmAllentown-Bethlehem
2h 27m
ORD6:55 pmChicago O'Hare Intl
$244
Find similar
United Airlines
Aug 23
ORD8:45 amChicago O'Hare Intl
2h 13m
ABE11:58 amAllentown-Bethlehem
Aug 30
ABE6:37 amAllentown-Bethlehem
2h 28m
ORD8:05 amChicago O'Hare Intl
$259
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 August 14, 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

Tue 9/16

9:51 am-6:30 pm

1 stop7h 39m

Allentown-Bethlehem

Wed 9/17

2:37 pm-8:27 pm

1 stop6h 50m

$159

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 9/6

9:51 am-6:01 pm

1 stop7h 10m

Allentown-Bethlehem

Tue 9/9

7:00 pm-11:12 pm

1 stop5h 12m

$189

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 10/4

9:50 am-5:31 pm

1 stop6h 41m

Allentown-Bethlehem

Sat 10/11

6:00 pm-11:57 pm

1 stop6h 57m

$219

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 8/27

1:45 pm-4:53 pm

Nonstop2h 08m

Allentown-Bethlehem

Sun 8/31

5:28 pm-6:55 pm

Nonstop2h 27m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 10/4

9:51 am-6:01 pm

1 stop7h 10m

Allentown-Bethlehem

Sun 10/5

7:59 pm-11:39 pm

1 stop4h 40m

$234

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sun 9/7

8:49 pm-2:10 pm

1 stop16h 21m

Allentown-Bethlehem

Tue 9/9

11:45 am-9:58 pm

1 stop11h 13m

$237

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sun 8/31

5:45 am-12:16 pm

1 stop5h 31m

Allentown-Bethlehem

Tue 9/30

6:12 pm-10:14 pm

1 stop5h 02m

$239

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 9/6

7:25 am-10:37 am

Nonstop2h 12m

Allentown-Bethlehem

Tue 9/9

5:28 pm-6:55 pm

Nonstop2h 27m

$244

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sun 9/7

6:30 am-10:47 pm

1 stop15h 17m

Allentown-Bethlehem

Tue 9/9

11:45 am-10:52 am

2 stops24h 07m

$254

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 10/3

7:02 am-2:05 pm

1 stop6h 03m

Allentown-Bethlehem

Fri 10/3

7:00 pm-11:12 pm

1 stop5h 12m

$259

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 February is, on average, the cheapest month to fly to Allentown from Chicago O'Hare Intl Airport, with most prices found around $249. If you aren’t able to travel to Allentown during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $298.

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 $373. 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 $671.

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

In the afternoon 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 $427. Flying to Allentown in the afternoon 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 $540.

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 2 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 21% 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

$80

Fastest flight time

2h 08m

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 $80. The best round-trip flight deal from Chicago O'Hare Intl Airport to Allentown found on momondo in the last 72 hours is $159.
The fastest flight from Chicago O'Hare Intl Airport to Allentown takes 2h 08m
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 2h 08m 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
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

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

    Across 12 United Airlines flights from Chicago O'Hare Intl Airport to Allentown this week, the average price was $495, with the best United Airlines deals starting from $245 round-trip. 8,916 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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