Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Allentown to Chicago from $143

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Chicago departing on 6/1. 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 Allentown to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:18 pm - 12:25 pm
ABE
-
ORD
19h 07m
1 stop
Multiple Airlines Logo
4:49 pm - 8:25 pm
ORD
-
ABE
26h 36m
1 stop
$244Multiple Airlines
Mon, Aug 31 - Wed, Sep 9
American Airlines Logo
5:16 pm - 6:43 pm
ABE
-
ORD
2h 27mnonstop
American Airlines Logo
8:45 pm - 11:54 pm
ORD
-
ABE
2h 09mnonstop
$269American Airlines
Wed, Jun 10 - Sat, Jun 13
United Airlines Logo
5:36 pm - 7:00 pm
ABE
-
ORD
2h 24mnonstop
United Airlines Logo
7:00 am - 10:06 am
ORD
-
ABE
2h 06mnonstop
$271United Airlines
Wed, Aug 12 - Sat, Aug 15
American Airlines Logo
6:00 am - 7:28 am
ABE
-
ORD
2h 28mnonstop
American Airlines Logo
8:10 pm - 11:19 pm
ORD
-
ABE
2h 09mnonstop
$278American Airlines
Wed, Jun 24 - Sun, Jun 28
American Airlines Logo
5:16 pm - 6:43 pm
ABE
-
ORD
2h 27mnonstop
American Airlines Logo
5:29 pm - 12:21 am
ORD
-
ABE
5h 52m
1 stop
$279American Airlines
Wed, Jun 10 - Sat, Jun 13
Multiple Airlines Logo
6:18 pm - 12:25 pm
ABE
-
ORD
19h 07m
1 stop
Multiple Airlines Logo
7:45 am - 9:37 pm
ORD
-
ABE
12h 52m
1 stop
$287Multiple Airlines
Mon, Aug 31 - Thu, Sep 10
Delta Logo
6:15 pm - 11:59 pm
ABE
-
ORD
6h 44m
1 stop
Delta Logo
5:30 am - 12:19 pm
ORD
-
ABE
5h 49m
1 stop
$289Delta
Fri, May 29 - Mon, Jun 1
Multiple Airlines Logo
6:18 pm - 12:25 pm
ABE
-
ORD
19h 07m
1 stop
Multiple Airlines Logo
2:46 pm - 3:08 pm
ORD
-
ABE
23h 22m
2 stops
$293Multiple Airlines
Mon, Aug 31 - Thu, Sep 10
Delta Logo
1:12 pm - 8:31 pm
ABE
-
ORD
8h 19m
2 stops
Delta Logo
3:25 pm - 11:08 pm
ORD
-
ABE
6h 43m
1 stop
$294Delta
Wed, Jun 10 - Sat, Jun 13
Multiple Airlines Logo
2:54 pm - 8:53 pm
ABE
-
ORD
30h 59m
1 stop
Multiple Airlines Logo
12:30 pm - 9:05 pm
ORD
-
ABE
7h 35m
2 stops
$297Multiple Airlines
Mon, Aug 17 - Thu, Sep 3

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

Our best American Airlines deals on Allentown to Chicago O'Hare Intl Airport flight tickets
American Airlines
Jun 10
ABE5:16 pmAllentown-Bethlehem
2h 27m
ORD6:43 pmChicago O'Hare Intl
Jun 13
ORD8:45 pmChicago O'Hare Intl
2h 09m
ABE11:54 pmAllentown-Bethlehem
$269
American Airlines
Jun 24
ABE6:00 amAllentown-Bethlehem
2h 28m
ORD7:28 amChicago O'Hare Intl
Jun 28
ORD8:10 pmChicago O'Hare Intl
2h 09m
ABE11:19 pmAllentown-Bethlehem
$278
American Airlines
Jun 10
ABE5:16 pmAllentown-Bethlehem
2h 27m
ORD6:43 pmChicago O'Hare Intl
Jun 13
ORD5:29 pmChicago O'Hare Intl
5h 52m
1 stop
ABE12:21 amAllentown-Bethlehem
$279

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
May 29
ABE6:15 pmAllentown-Bethlehem
6h 44m
1 stop
ORD11:59 pmChicago O'Hare Intl
Jun 1
ORD5:30 amChicago O'Hare Intl
5h 49m
1 stop
ABE12:19 pmAllentown-Bethlehem
$289
Delta
Jun 10
ABE1:12 pmAllentown-Bethlehem
8h 19m
2 stops
ORD8:31 pmChicago O'Hare Intl
Jun 13
ORD3:25 pmChicago O'Hare Intl
6h 43m
1 stop
ABE11:08 pmAllentown-Bethlehem
$294
Delta
Sep 2
ABE6:30 amAllentown-Bethlehem
11h 06m
2 stops
ORD4:36 pmChicago O'Hare Intl
Sep 9
ORD11:30 amChicago O'Hare Intl
10h 26m
2 stops
ABE10:56 pmAllentown-Bethlehem
$300

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 May 6, 2026.
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

Cheapest round-trip

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 8/31

6:18 pm-12:25 pm

1 stop19h 07m

Chicago O'Hare Intl

Wed 9/9

4:49 pm-8:25 pm

1 stop26h 36m

$244

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 6/10

5:16 pm-6:43 pm

Nonstop2h 27m

Chicago O'Hare Intl

Sat 6/13

8:45 pm-11:54 pm

Nonstop2h 09m

$269
Quickest round-trip

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 8/12

5:36 pm-7:00 pm

Nonstop2h 24m

Chicago O'Hare Intl

Sat 8/15

7:00 am-10:06 am

Nonstop2h 06m

$271

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 6/24

6:00 am-7:28 am

Nonstop2h 28m

Chicago O'Hare Intl

Sun 6/28

8:10 pm-11:19 pm

Nonstop2h 09m

$278

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 6/10

5:16 pm-6:43 pm

Nonstop2h 27m

Chicago O'Hare Intl

Sat 6/13

5:29 pm-12:21 am

1 stop5h 52m

$279

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 8/31

6:18 pm-12:25 pm

1 stop19h 07m

Chicago O'Hare Intl

Thu 9/10

7:45 am-9:37 pm

1 stop12h 52m

$287

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 5/29

6:15 pm-11:59 pm

1 stop6h 44m

Chicago O'Hare Intl

Mon 6/1

5:30 am-12:19 pm

1 stop5h 49m

$289

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 8/31

6:18 pm-12:25 pm

1 stop19h 07m

Chicago O'Hare Intl

Thu 9/10

2:46 pm-3:08 pm

2 stops23h 22m

$293

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 6/10

1:12 pm-8:31 pm

2 stops8h 19m

Chicago O'Hare Intl

Sat 6/13

3:25 pm-11:08 pm

1 stop6h 43m

$294

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 8/17

2:54 pm-8:53 pm

1 stop30h 59m

Chicago O'Hare Intl

Thu 9/3

12:30 pm-9:05 pm

2 stops7h 35m

$297

Flights are sorted by cheapest round-trip flights first.

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

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 typical price of a round-trip flight between Allentown and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Allentown averaging around $345.

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 Friday when prices can be found for as low as $437. 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 $635.

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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $450 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $536. 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 from Allentown 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 $414 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 $280 on momondo.

Can stopping save me money on Allentown to Chicago O'Hare Intl Airport flights?

You could potentially save up to 42% 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?

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

$263

Fastest flight time

2h 17m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Allentown in the past 72 hours is $263. The best round-trip flight deal from Allentown to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $396.
The fastest flight from Allentown to Chicago O'Hare Intl Airport takes 2h 17m
Direct flights go from Allentown to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Allentown to Chicago O'Hare Intl Airport

  • 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 17m.

  • 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
7.1
11,666 reviews
Search American Airlines flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,684 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 $209 round-trip. Over the 25 United Airlines flights for this route in a normal week, average airfare is usually $441 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
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
New Buffalo
Orland Park
Oak Brook
Kenosha
Joliet
Aurora
Janesville
Racine
Hammond
Tinley Park
Elgin
Evanston

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.

An easier way to manage your Chicago O'Hare Intl Airport 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 6/5
Fri 6/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago