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$99+ Cheap flights from Allentown (ABE) to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — CHI
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Allentown-Bethlehem to Chicago are usually found in January or February, booked 62 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Allentown to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 1, 2025.

Round-trip from

$161
(American Airlines)

One-way from

$99
(Delta)

Popular in

March

Cheapest in

January

Average price

$354

Good round-trip deal

$531 or less

Good one-way deal

$308 or less
From Allentown-Bethlehem to Chicago (CHI)
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One-way flight from Allentown-Bethlehem to Chicago (CHI)
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Allentown-Bethlehem to Chicago (CHI).
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Price to beat on a one-way flight from Allentown-Bethlehem to Chicago (CHI).
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Find flight deals from Allentown to Chicago

Cheapest flights from Allentown to Chicago
Explore the most affordable flight options available from Allentown to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/28:03 pmABE - ORD
1 stop4h 54mAmerican Airlines
Tue 8/54:59 pmORD - ABE
1 stop6h 28mAmerican Airlines
Deal found 6/29$161
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:56 pmABE - ORD
1 stop7h 13mDelta
Sat 8/309:47 amORD - ABE
1 stop6h 47mDelta
Deal found 6/29$197
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:56 pmABE - MDW
1 stop5h 51mDelta
Sat 8/2310:31 amMDW - ABE
1 stop6h 03mDelta
Deal found 6/30$197
This Mytrip deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/144:03 pmABE - ORD
1 stop7h 19mMultiple Airlines
Thu 8/215:05 amORD - ABE
1 stop12h 55mMultiple Airlines
Deal found 6/30$215
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/319:16 pmABE - MDW
2 stops17h 40mAllegiant Air
Mon 8/42:46 pmMDW - ABE
2 stops21h 55mAllegiant Air
Deal found 7/1$353

Cheapflights Fare Finder

Customize your flight search to find flights from Allentown to Chicago 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, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
Use the filters below to find and compare flights from Allentown to Chicago that are best for you.

Fly from

Allentown

Fly to

Chicago

Route

Depart

Return

Price

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 8/2

8:03 pm-11:57 pm

1 stop4h 54m

Chicago O'Hare Intl

Tue 8/5

4:59 pm-12:27 am

1 stop6h 28m

$161

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 8/26

12:56 pm-7:09 pm

1 stop7h 13m

Chicago O'Hare Intl

Sat 8/30

9:47 am-5:34 pm

1 stop6h 47m

$197

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Wed 8/20

12:56 pm-5:47 pm

1 stop5h 51m

Chicago Midway

Sat 8/23

10:31 am-5:34 pm

1 stop6h 03m

$197

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 9/4

11:46 am-10:40 am

2 stops23h 54m

Chicago O'Hare Intl

Mon 9/8

6:30 am-8:40 pm

1 stop13h 10m

$218

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Thu 7/31

9:16 pm-1:56 pm

2 stops17h 40m

Chicago Midway

Mon 8/4

2:46 pm-1:41 pm

2 stops21h 55m

$353

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Wed 8/20

12:56 pm-5:47 pm

1 stop5h 51m

$99

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 8/18

6:32 pm-10:59 pm

1 stop5h 27m

$101

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 8/11

6:30 am-9:30 pm

2 stops16h 00m

$132

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 8/18

6:32 pm-10:59 pm

1 stop5h 27m

$158

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 8/20

6:00 am-10:04 am

1 stop5h 04m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 12 results
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Best time to book a flight from Allentown to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Allentown with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Allentown to Chicago

How far ahead should I book a flight from Allentown to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Allentown to Chicago. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Allentown to Chicago, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Allentown to Chicago?

Currently, August is the cheapest month in which you can book a flight from Allentown to Chicago (average of $245). Flying from Allentown to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ABE to CHI?

Find hourly flight availability from Allentown to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

When flying from Allentown to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 53% versus a flight in the morning.

Weekly flight availability from Allentown to Chicago

Explore weekly flight availability from Allentown to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 1, 2025.

The most flights from ABE to CHI are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Allentown to Chicago?

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated July 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Allentown to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,974 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.2
Good
710 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Allentown to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Allentown to Chicago?

    Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly out of when you book flights from Allentown to Chicago. 3 airlines have flights from Allentown-Bethlehem to Chicago on a regular basis. Booking flights from Allentown-Bethlehem to Chicago should not be difficult; the airport handles an average of 4 outbound flights to Chicago per day.

  • What are the cheapest airlines flying from Allentown to Chicago round-trip?

    American Airlines, at $161, was found to be the cheapest airline from Allentown to Chicago.Alternate airlines to your destination round-trip include Delta and Allegiant Air. Users have found that American Airlines is 58% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Allentown to Chicago one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $99. American Airlines flights start at $101 while deals on Alaska Airlines start at $158 one-way.

  • What are the most reliable airlines from Allentown to Chicago?

    Consider GoJet (72%), United Airlines (72%) or Air New Zealand (72%) when booking your flight. These represent the most reliable airlines when flying from Allentown to Chicago.

  • What are the cheapest flights from Allentown to Chicago?

    Looking for the cheapest flight from Allentown to Chicago? While on average our users pay $650, our data indicates the cheapest price to be $176. The most popular route (Allentown-Bethlehem - Chicago O'Hare Intl), is priced around $197.

  • Can I find deals for flights from Allentown to Chicago that include hotel bookings?

    Yes. In addition to deals on Allentown to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Chicago.

  • Can I find deals for business class flights from Allentown to Chicago?

    Yes. Cheapflights offers flight deals from Allentown to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Allentown to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Allentown to Chicago (average of $245). Flying from Allentown to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
Merrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

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Alternative routes for Allentown to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Allentown to Chicago

Discover the top 3 airlines that operate flights from Allentown to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$286FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$468FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$266Average$464FlexibilityNo cancel feeOn-time69%

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