$54 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, Jul 11 - Fri, Jul 18
MDW
Midway Intl.
PHL
Philadelphia Intl.
$182 Roundtrip, found 6 hours ago
$182
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, Jul 11 from Midway Intl. to Philadelphia Intl., returning Fri, Jul 18, priced at $182 found 6 hours ago
Fri, Jul 11 - Mon, Jul 14
ORD
O'Hare Intl.
PHL
Philadelphia Intl.
$223 Roundtrip, found 3 hours ago
$223
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Jul 11 from O'Hare Intl. to Philadelphia Intl., returning Mon, Jul 14, priced at $223 found 3 hours ago
Fri, Jul 11 - Mon, Jul 21
ORD
O'Hare Intl.
TTN
Mercer
$265 Roundtrip, found 6 days ago
$265
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Jul 11 from O'Hare Intl. to Mercer, returning Mon, Jul 21, priced at $265 found 6 days ago
Sat, Jul 12 - Mon, Jul 14
ORD
O'Hare Intl.
ABE
Lehigh Valley Intl.
$296 Roundtrip, found 5 days ago
$296
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jul 12 from O'Hare Intl. to Lehigh Valley Intl., returning Mon, Jul 14, priced at $296 found 5 days ago

Airfares from $54 One Way, $118 Round Trip from Chicago to Allentown

Prices starting at $118 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.

Thu, Aug 7 - Tue, Aug 12
ORD
Chicago
PHL
Philadelphia
$118 Roundtrip, found 11 hours ago
$118
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Aug 7 from Chicago to Philadelphia, returning Tue, Aug 12, priced at $118 found 11 hours ago
Wed, Sep 24 - Mon, Sep 29
ORD
Chicago
PHL
Philadelphia
$118 Roundtrip, found 11 hours ago
$118
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Chicago to Philadelphia, returning Mon, Sep 29, priced at $118 found 11 hours ago
Sat, Nov 15 - Mon, Nov 17
MDW
Chicago
PHL
Philadelphia
$134 Roundtrip, found 1 day ago
$134
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Nov 15 from Chicago to Philadelphia, returning Mon, Nov 17, priced at $134 found 1 day ago
Sat, Aug 30 - Tue, Sep 2
ORD
Chicago
ABE
Allentown
$143 Roundtrip, found 19 hours ago
$143
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Chicago to Allentown, returning Tue, Sep 2, priced at $143 found 19 hours ago
Wed, Jul 30 - Mon, Aug 4
ORD
Chicago
PHL
Philadelphia
$174 Roundtrip, found 6 hours ago
$174
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Wed, Jul 30 from Chicago to Philadelphia, returning Mon, Aug 4, priced at $174 found 6 hours ago

Allentown economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hilton Garden Inn Philadelphia Center City
3.0-star property

Hilton Garden Inn Philadelphia Center City

8.6/10 Excellent! (1,623 reviews)

Aug 29 - Sep 1

3 night stay

Chicago (CHI) to Philadelphia (PHL)

American Airlines • Roundtrip • Coach
per person
found 11 hours ago
I loved staying here, and especially appreciated the doorman

Reviewed on Jun 3, 2025

Valley Forge Casino Resort
4.0-star property

Valley Forge Casino Resort

8.2/10 Very Good! (1,010 reviews)

Aug 29 - Sep 1

3 night stay

Chicago (CHI) to Philadelphia (PHL)

American Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 11 hours ago
The staff could of been a little more pleasant during checkin like pointing out elevators, hotel amenities and dining options. Other than that, no concerns with room or parking.

Reviewed on Aug 20, 2024

Wyndham Philadelphia Historic District
3.5-star property

Wyndham Philadelphia Historic District

8.2/10 Very Good! (2,969 reviews)

Aug 29 - Sep 1

3 night stay

Chicago (CHI) to Philadelphia (PHL)

American Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 11 hours ago
Wifi was weak and slow needs to be upgraded

Reviewed on May 25, 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

When you’re ready to take your next trip, get the most affordable prices on flights from Chicago to Allentown with Orbitz! The guaranteed low prices and cutting-edge mobile tools on Orbits make it easy for you to plan your next great vacation.

Keep Up With Sudden Flight Changes

As any traveler knows, air travel can suddenly be temporarily halted due to service disruptions. Along with offering the best fares for flights from Chicago to Allentown, Orbitz also offers free mobile phone and email alerts that help you keep up with sudden changes to your flight plans. Choose from email, text, or voice message alerts.

Get Great Prices for Chicago to Allentown Flights

Orbitz features both an Android app and an iPhone app to give you the lowest prices for Chicago to Allentown flights. Use these mobile apps to get updates on your flight, the details of your itinerary, and to learn about available hotel deals in the area.

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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.

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.