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Cheap flights from Allentown to Chicago from $185

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Chicago departing on 1/25. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:13 pm - 9:43 am
ABE
-
ORD
19h 30m1 stop
Multiple Airlines Logo
7:00 am - 9:45 pm
ORD
-
ABE
13h 45m1 stop
$185Multiple Airlines
Sun, Jan 25 - Thu, Jan 29
Multiple Airlines Logo
3:13 pm - 9:43 am
ABE
-
ORD
19h 30m1 stop
Multiple Airlines Logo
7:21 pm - 9:45 pm
ORD
-
ABE
25h 24m1 stop
$192Multiple Airlines
Sun, Feb 1 - Wed, Feb 4
Multiple Airlines Logo
3:01 pm - 11:22 am
ABE
-
ORD
21h 21m1 stop
Multiple Airlines Logo
7:21 pm - 9:45 pm
ORD
-
ABE
25h 24m1 stop
$194Multiple Airlines
Mon, Jan 12 - Wed, Jan 14
Multiple Airlines Logo
3:13 pm - 9:43 am
ABE
-
ORD
19h 30m1 stop
Multiple Airlines Logo
7:00 am - 9:45 pm
ORD
-
ABE
13h 45m1 stop
$199Multiple Airlines
Sun, Jan 11 - Thu, Jan 22
Multiple Airlines Logo
3:01 pm - 11:22 am
ABE
-
ORD
21h 21m1 stop
Multiple Airlines Logo
7:00 am - 9:45 pm
ORD
-
ABE
13h 45m1 stop
$201Multiple Airlines
Mon, Jan 12 - Thu, Jan 22
Multiple Airlines Logo
3:01 pm - 11:46 pm
ABE
-
ORD
9h 45m1 stop
Multiple Airlines Logo
8:43 pm - 5:09 pm
ORD
-
ABE
19h 26m2 stops
$205Multiple Airlines
Mon, Jan 26 - Fri, Jan 30
United Airlines Logo
6:17 am - 8:00 am
ABE
-
ORD
2h 43mnonstop
United Airlines Logo
10:44 am - 1:55 pm
ORD
-
ABE
2h 11mnonstop
$209United Airlines
Wed, Dec 31 - Mon, Jan 5
Multiple Airlines Logo
8:30 am - 5:52 pm
ABE
-
ORD
10h 22m1 stop
Multiple Airlines Logo
7:21 pm - 9:45 pm
ORD
-
ABE
25h 24m1 stop
$212Multiple Airlines
Thu, Jan 8 - Wed, Jan 14
Multiple Airlines Logo
3:01 pm - 11:46 pm
ABE
-
ORD
9h 45m1 stop
Multiple Airlines Logo
5:15 am - 10:01 pm
ORD
-
ABE
15h 46m1 stop
$215Multiple Airlines
Mon, Jan 26 - Fri, Jan 30
Multiple Airlines Logo
3:01 pm - 11:22 am
ABE
-
ORD
21h 21m1 stop
Multiple Airlines Logo
7:21 pm - 9:45 pm
ORD
-
ABE
25h 24m1 stop
$216Multiple Airlines
Mon, Feb 2 - Wed, Feb 4

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

Our best United Airlines deals on Allentown to Chicago O'Hare Intl Airport flight tickets
United Airlines
Dec 31
ABE6:17 amAllentown-Bethlehem
2h 43m
ORD8:00 amChicago O'Hare Intl
Jan 5
ORD10:44 amChicago O'Hare Intl
2h 11m
ABE1:55 pmAllentown-Bethlehem
$209
Find similar
United Airlines
Feb 13
ABE10:36 amAllentown-Bethlehem
2h 34m
ORD12:10 pmChicago O'Hare Intl
Feb 25
ORD7:00 amChicago O'Hare Intl
2h 01m
ABE10:01 amAllentown-Bethlehem
$246
Find similar
United Airlines
Dec 23
ABE6:17 amAllentown-Bethlehem
2h 43m
ORD8:00 amChicago O'Hare Intl
Dec 25
ORD1:30 pmChicago O'Hare Intl
2h 00m
ABE4:30 pmAllentown-Bethlehem
$249
Find similar

Delta flights from Allentown to Chicago O'Hare Intl Airport

Our best Delta deals on Allentown to Chicago O'Hare Intl Airport flight tickets
Delta
Jan 9
ABE5:59 pmAllentown-Bethlehem
7h 00m
1 stop
ORD11:59 pmChicago O'Hare Intl
Jan 14
ORD5:30 amChicago O'Hare Intl
5h 35m
1 stop
ABE12:05 pmAllentown-Bethlehem
$229
Find similar
Delta
Jan 7
ABE12:50 pmAllentown-Bethlehem
9h 15m
2 stops
ORD9:05 pmChicago O'Hare Intl
Jan 11
ORD5:30 amChicago O'Hare Intl
5h 35m
1 stop
ABE12:05 pmAllentown-Bethlehem
$234
Find similar
Delta
Jan 28
ABE6:28 amAllentown-Bethlehem
11h 29m
2 stops
ORD4:57 pmChicago O'Hare Intl
Jan 31
ORD10:35 amChicago O'Hare Intl
10h 35m
2 stops
ABE10:10 pmAllentown-Bethlehem
$239
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Chicago O'Hare Intl Airport 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 December 11, 2025.
Use the filters below to find and compare flights from Allentown to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sun 1/25

3:13 pm-9:43 am

1 stop19h 30m

Chicago O'Hare Intl

Thu 1/29

7:00 am-9:45 pm

1 stop13h 45m

$185

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sun 2/1

3:13 pm-9:43 am

1 stop19h 30m

Chicago O'Hare Intl

Wed 2/4

7:21 pm-9:45 pm

1 stop25h 24m

$192

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 1/12

3:01 pm-11:22 am

1 stop21h 21m

Chicago O'Hare Intl

Wed 1/14

7:21 pm-9:45 pm

1 stop25h 24m

$194

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sun 1/11

3:13 pm-9:43 am

1 stop19h 30m

Chicago O'Hare Intl

Thu 1/22

7:00 am-9:45 pm

1 stop13h 45m

$199

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 1/12

3:01 pm-11:22 am

1 stop21h 21m

Chicago O'Hare Intl

Thu 1/22

7:00 am-9:45 pm

1 stop13h 45m

$201

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 1/26

3:01 pm-11:46 pm

1 stop9h 45m

Chicago O'Hare Intl

Fri 1/30

8:43 pm-5:09 pm

2 stops19h 26m

$205

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 12/31

6:17 am-8:00 am

Nonstop2h 43m

Chicago O'Hare Intl

Mon 1/5

10:44 am-1:55 pm

Nonstop2h 11m

$209

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 1/8

8:30 am-5:52 pm

1 stop10h 22m

Chicago O'Hare Intl

Wed 1/14

7:21 pm-9:45 pm

1 stop25h 24m

$212

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 1/26

3:01 pm-11:46 pm

1 stop9h 45m

Chicago O'Hare Intl

Fri 1/30

5:15 am-10:01 pm

1 stop15h 46m

$215

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 2/2

3:01 pm-11:22 am

1 stop21h 21m

Chicago O'Hare Intl

Wed 2/4

7:21 pm-9:45 pm

1 stop25h 24m

$216

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Allentown to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Allentown averaging around $338.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $293. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Allentown because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $373.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Allentown in the evening is the least expensive time of day to depart. momondo users have found prices as low as $274 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $368. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Allentown-Bethlehem to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Allentown when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $426 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Allentown for as low as $326 on momondo.

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

There are 4 cabin classes available to choose from on Allentown-Bethlehem to Chicago O'Hare Intl 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 Allentown to Chicago O'Hare Intl Airport flights?

You could potentially save up to 67% on your flight if you consider stops on a Allentown to Chicago O'Hare Intl Airport flight.

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

As of December 2025, prices for Allentown to Chicago O'Hare Intl Airport flights are approximately 37% more expensive when compared to flights at the same time last year.

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

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

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

Find info about flight duration, direct flights, and airports for your flight from Allentown to Chicago O'Hare Intl Airport

Best Price Found

$308

Fastest flight time

2h 14m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Allentown in the past 72 hours is $308. The best round-trip flight deal from Allentown to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $343.
The fastest flight from Allentown to Chicago O'Hare Intl Airport takes 2h 14m
Direct flights go from Allentown to Chicago O'Hare Intl Airport every day.
Search flight deals

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

    Allentown-Bethlehem and Chicago O'Hare Intl are 651.5 mi apart from one another. In terms of flight time, this usually takes a little over 2h 14m.

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

    Prices for flights from Allentown-Bethlehem Airport to Chicago O'Hare Intl Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl 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 Allentown to Chicago O'Hare Intl Airport?

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

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

Compare and see reviews for airlines that fly from Allentown to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

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

    United Airlines flight deals from Allentown to Chicago O'Hare Intl Airport start from $211 round-trip. Over the 19 United Airlines flights for this route in a normal week, average airfare is usually $480 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Tinley Park
Janesville
Aurora
Elgin
Benton Harbor

Why use momondo?

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

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 Chicago from Allentown.

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

Yes. momondo enables you to select and highlight flights to Chicago from Allentown with this policy.

How can momondo help me find flights from Allentown to Chicago?

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 Allentown to Chicago.

I’m not ready to book a flight from Allentown to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Allentown to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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