$54 Cheap flight deals from Chicago (CHI) to Allentown (ABE)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from Chicago to Allentown

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 17 - Tue, Oct 20
ORD
O'Hare Intl.
PHL
Philadelphia Intl.
$261 Roundtrip, found 22 hours ago
$261
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Sat, Oct 17 from O'Hare Intl. to Philadelphia Intl., returning Tue, Oct 20, priced at $261 found 22 hours ago
Fri, Oct 16 - Fri, Nov 6
ORD
O'Hare Intl.
TTN
Mercer
$300 Roundtrip, found 8 hours ago
$300
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Oct 16 from O'Hare Intl. to Mercer, returning Fri, Nov 6, priced at $300 found 8 hours ago
Sun, Oct 18 - Wed, Oct 21
MDW
Midway Intl.
PHL
Philadelphia Intl.
$338 Roundtrip, found 4 days ago
$338
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Oct 18 from Midway Intl. to Philadelphia Intl., returning Wed, Oct 21, priced at $338 found 4 days ago

Airfares from $54 One Way, $55 Round Trip from Chicago to Allentown

Prices starting at $55 for return flights and $54 for one-way flights to Allentown were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 25 - Thu, Dec 3
ORD
Chicago
PHL
Philadelphia
$55 Roundtrip, found 5 days ago
$55
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Nov 25 from Chicago to Philadelphia, returning Thu, Dec 3, priced at $55 found 5 days ago
Thu, Nov 5 - Mon, Nov 9
MDW
Chicago
PHL
Philadelphia
$131 Roundtrip, found 5 days ago
$131
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Nov 5 from Chicago to Philadelphia, returning Mon, Nov 9, priced at $131 found 5 days ago
Sat, Nov 7 - Sat, Nov 21
ORD
Chicago
TTN
Trenton
$185 Roundtrip, found 3 days ago
$185
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 7 from Chicago to Trenton, returning Sat, Nov 21, priced at $185 found 3 days ago
Thu, Jan 28 - Thu, Feb 11
ORD
Chicago
PHL
Philadelphia
$185 Roundtrip, found 3 days ago
$185
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jan 28 from Chicago to Philadelphia, returning Thu, Feb 11, priced at $185 found 3 days ago
Tue, Nov 3 - Wed, Nov 4
MDW
Chicago
PHL
Philadelphia
$185 Roundtrip, found 3 days ago
$185
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Nov 3 from Chicago to Philadelphia, returning Wed, Nov 4, priced at $185 found 3 days ago

Allentown economy flight packages

Price found within the past 48 hours. Click for updated prices.
Trolley Stop Motel
2.0-star property

Trolley Stop Motel

7.8/10 Good! (829 reviews)

Nov 24 - Nov 28

4 night stay

Chicago (ORD) to Philadelphia (PHL)

American Airlines • Roundtrip • Coach
Price was $669, price is now $540 per person
$540
per person
found 9 hours ago
Enjoyed the stay and the staff was great. Super friendly.

Reviewed on Oct 11, 2026

Casa De Miliki
3.0-star property

Casa De Miliki

No reviews

Nov 25 - Nov 27

2 night stay

Chicago (ORD) to Philadelphia (PHL)

Frontier Airlines • Coach

Philadelphia (PHL) to Chicago (ORD)

American Airlines • Coach
Price was $3,563, price is now $1,820 per person
$1,820
per person
found 1 day ago

YOWIE (Hotel & Shop)
2.0-star property

YOWIE (Hotel & Shop)

9.8/10 Exceptional! (76 reviews)

Nov 12 - Nov 16

4 night stay

Chicago (CHI) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,165, price is now $857 per person
$857
per person
found 1 day ago

Don't see what you're looking for?
See all available trips from Chicago to Allentown
View all trips

More About Flying To Allentown from Chicago

Route Information for Flights from Chicago to Allentown

Origin Airport IATA Code
CHI
Destination Airport IATA Code
ABE
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Chicago to Allentown

Whether you want to book cheap flights from Chicago to Allentown or are looking for the perfect package holiday, Orbitz is your one-stop source. Taking the stress and expense out of travel, Orbitz helps you find the best fares for Chicago to Allentown flights.

Make the Most of Your Vacation

Not only does Orbitz have cheap deals for Chicago to Allentown flights, we can also help you plan your vacation in advance. Why wait in lengthy lines for tickets to shows, amusement parks, and other attractions when you could be making the most of your holiday? Add activities to your flight booking for fewer hassles once you arrive in Allentown.

Planning on the Go

Book your flights from Chicago to Allentown wherever you are with the Orbitz app for Android and iPhone. Or simply use m.orbitz.com on your mobile browser to search and book the Chicago to Allentown flights that you want. And if you’re running late, you check your flight status and baggage claim information on your mobile device too too.

Craft Your Perfect Vacation

Orbitz takes the stress out of vacation planning with great deals on flights from Chicago to Allentown, hotels, car rentals, cruises, and more. Mix and match results for your perfect trip, or book a complete vacation package.

Keep Informed With Orbitz

With Orbitz’s free alerts service, you will stay informed of flight or services disruptions to your Chicago to Allentown flights. The alerts can be sent straight to your mobile phone or email.

Frequently asked questions

Are there non-stop flights from Chicago to Allentown?
There are, which is awesome news if you're not a huge fan of layovers. American Airlines and United Airlines operate nonstop flights from ORD to PHL.
What is the shortest flight from Chicago to Allentown?
The journey from Chicago to Allentown can be as fast as 2 hours and 40 minutes. With a leisurely flight time like this, why not grab some friends and organize an impromptu getaway?
What airlines fly from Chicago to Allentown most frequently?
American Airlines (AA) is one of the airlines with the most flights from O'Hare Intl. Airport (ORD) to Philadelphia Intl. Airport (PHL). It offers 217 flights on this route every month. Taking a vacation is one of life's greatest pleasures, and this carrier will get you where you need to go. If you can't find the right flight for you there, look into United Airlines (UA). This airline is a fantastic alternative and operates 139 flights from Chicago to Allentown every month.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.