$35 Cheap flight deals from Chicago (CHI) to Allentown (ABE)

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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.

Fri, Dec 5 - Mon, Dec 15
MDW
Midway Intl.
TTN
Mercer
$197 Roundtrip, found 3 days ago
$197
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Midway Intl. to Mercer, returning Mon, Dec 15, priced at $197 found 3 days ago
Fri, Dec 5 - Mon, Dec 15
MDW
Midway Intl.
TTN
Mercer
$197 Roundtrip, found 3 days ago
$197
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Midway Intl. to Mercer, returning Mon, Dec 15, priced at $197 found 3 days ago
Sun, Dec 7 - Sat, Dec 20
ORD
O'Hare Intl.
TTN
Mercer
$198 Roundtrip, found 6 days ago
$198
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, Dec 7 from O'Hare Intl. to Mercer, returning Sat, Dec 20, priced at $198 found 6 days ago
Sun, Dec 7 - Sat, Dec 20
ORD
O'Hare Intl.
TTN
Mercer
$198 Roundtrip, found 6 days ago
$198
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, Dec 7 from O'Hare Intl. to Mercer, returning Sat, Dec 20, priced at $198 found 6 days ago

Airfares from $35 One Way, $64 Round Trip from Chicago to Allentown

Prices starting at $64 for return flights and $35 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.

Fri, Jan 9 - Tue, Jan 13
ORD
Chicago
PHL
Philadelphia
$64 Roundtrip, just found
$64
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jan 9 from Chicago to Philadelphia, returning Tue, Jan 13, priced at $64 just found
Sat, Feb 21 - Sat, Feb 28
RFD
Rockford
PHL
Philadelphia
$139 Roundtrip, found 6 days ago
$139
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Feb 21 from Rockford to Philadelphia, returning Sat, Feb 28, priced at $139 found 6 days ago
Sat, Feb 21 - Sat, Feb 28
ORD
Chicago
TTN
Trenton
$139 Roundtrip, found 6 days ago
$139
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Feb 21 from Chicago to Trenton, returning Sat, Feb 28, priced at $139 found 6 days ago
Wed, Dec 24 - Thu, Dec 25
MDW
Chicago
PHL
Philadelphia
$139 Roundtrip, found 10 hours ago
$139
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Wed, Dec 24 from Chicago to Philadelphia, returning Thu, Dec 25, priced at $139 found 10 hours ago
Tue, Feb 17 - Fri, Feb 20
ORD
Chicago
PHL
Philadelphia
$139 Roundtrip, found 2 days ago
$139
Roundtrip
found 2 days ago
Select United flight, departing Tue, Feb 17 from Chicago to Philadelphia, returning Fri, Feb 20, priced at $139 found 2 days ago

Allentown economy flight packages

Price found within the past 48 hours. Click for updated prices.
Valley Forge Casino Resort
4.0-star property

Valley Forge Casino Resort

8.4/10 Very Good! (1,003 reviews)

Jan 1 - Jan 8

7 night stay

Chicago (CHI) to Philadelphia (PHL)

American Airlines • Coach

Philadelphia (PHL) to Chicago (CHI)

Frontier Airlines • Coach
Save 100% on your flight
Price was $581, price is now $310 per person
$310
per person
found 2 hours ago
Enjoyed the beach area and pool

Reviewed on Sep 7, 2025

Fairmount House at The Mann
3.5-star property

Fairmount House at The Mann

8.6/10 Excellent! (64 reviews)

Jan 1 - Jan 8

7 night stay

Chicago (CHI) to Philadelphia (PHL)

American Airlines • Coach

Philadelphia (PHL) to Chicago (CHI)

Frontier Airlines • Coach
Save 100% on your flight
Price was $634, price is now $376 per person
$376
per person
found 2 hours ago
Host communicated quickly and clearly with check in directions. Property was very clean close to town. All good!

Reviewed on May 18, 2024

The Alloy King of Prussia - a DoubleTree by Hilton
3.5-star property

The Alloy King of Prussia - a DoubleTree by Hilton

8.6/10 Excellent! (1,006 reviews)

Jan 1 - Jan 8

7 night stay

Chicago (CHI) to Philadelphia (PHL)

American Airlines • Coach

Philadelphia (PHL) to Chicago (CHI)

Frontier Airlines • Coach
Save 100% on your flight
Price was $729, price is now $447 per person
$447
per person
found 2 hours ago
While the outside and lobby looked pretty nice, the room had a "cheap" feel to them, especially given the rate. The couch was a little gross, and the rail for the bathroom door was held in place with a crude shim that protruded from the rail. Will look elsewhere on my next trip.

Reviewed on Apr 11, 2025

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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

Great Deals on Flights From Chicago to Allentown

Spend more of your time and money at Allentown instead of sitting at your computer, searching for discount Chicago to Allentown flights. This is why Orbitz makes it easy for you to check out destinations, plan your trip, and book your air fare, hotel, car rental, and more in just one place. Our low price guarantee means that you get great deals on flights from Chicago to Allentown.

Flights That Fit Your Budget

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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.