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$80+ Cheap flights from Allentown (ABE) to Illinois

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ORD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Allentown to Illinois

Keep the following information in mind while searching for Allentown to Illinois flight deals. Data was last updated August 14, 2025.

Round-trip from

$159
(American Airlines)

One-way from

$80
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$397

Good round-trip deal

$488 or less

Good one-way deal

$383 or less
From Allentown-Bethlehem to Illinois
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One-way flight from Allentown-Bethlehem to Illinois
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Highest demand for flights based on searches. 9% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Allentown-Bethlehem to Illinois.
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Price to beat on a one-way flight from Allentown-Bethlehem to Illinois.
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Find flight deals from Allentown to Illinois

Cheapest flights from Allentown to Illinois
Explore the most affordable flight options available from Allentown to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/167:00 pmABE - ORD
1 stop5h 12mAmerican Airlines
Sat 9/209:51 amORD - ABE
1 stop7h 10mAmerican Airlines
Deal found 8/13$159
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/32:37 pmABE - ORD
1 stop6h 50mAmerican Airlines
Wed 9/109:51 amORD - ABE
1 stop7h 39mAmerican Airlines
Deal found 8/13$189
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 10/12:37 pmABE - ORD
1 stop6h 50mAmerican Airlines
Sun 10/55:00 amORD - ABE
1 stop7h 00mAmerican Airlines
Deal found 8/13$204
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/512:14 pmABE - ORD
1 stop11h 32mMultiple Airlines
Wed 10/87:29 pmORD - ABE
1 stop12h 25mMultiple Airlines
Deal found 8/13$214
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/87:00 pmABE - ORD
1 stop5h 12mAmerican Airlines
Tue 9/97:02 amORD - ABE
1 stop6h 03mAmerican Airlines
Deal found 8/14$219
This American Airlines deal was found by Cheapflights users on 8/14. 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 10/46:35 pmABE - ORD
1 stop5h 37mAmerican Airlines
Mon 10/67:10 amORD - ABE
1 stop5h 16mAmerican Airlines
Deal found 8/14$223
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 9/197:00 pmABE - ORD
1 stop5h 12mAmerican Airlines
Sun 9/217:02 amORD - ABE
1 stop4h 58mAmerican Airlines
Deal found 8/14$224
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:37 amABE - PIA
1 stop4h 36mUnited Airlines
Sat 9/63:55 pmPIA - ABE
1 stop4h 59mUnited Airlines
Deal found 8/12$224
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 9/117:59 pmABE - ORD
1 stop4h 40mAmerican Airlines
Sun 9/145:00 amORD - ABE
1 stop7h 00mAmerican Airlines
Deal found 8/14$229
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:30 amABE - ORD
1 stop12h 14mMultiple Airlines
Mon 10/68:49 pmORD - ABE
1 stop11h 37mMultiple Airlines
Deal found 8/13$230
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 8/276:00 amABE - ORD
1 stop5h 35mAmerican Airlines
Sat 9/139:51 amORD - ABE
1 stop7h 10mAmerican Airlines
Deal found 8/14$234
This American Airlines deal was found by Cheapflights users on 8/14. 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 10/185:53 pmABE - ORD
1 stop7h 00mAmerican Airlines
Sun 10/197:10 amORD - ABE
1 stop5h 16mAmerican Airlines
Deal found 8/14$238

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to Illinois 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 August 14, 2025.
Use the filters below to find and compare flights from Allentown to Illinois that are best for you.

Fly from

Allentown

Fly to

Illinois

Route

Depart

Return

Price

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 9/16

7:00 pm-11:12 pm

1 stop5h 12m

Chicago O'Hare Intl

Sat 9/20

9:51 am-6:01 pm

1 stop7h 10m

$159

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 9/3

2:37 pm-8:27 pm

1 stop6h 50m

Chicago O'Hare Intl

Wed 9/10

9:51 am-6:30 pm

1 stop7h 39m

$189

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 9/9

7:00 pm-11:12 pm

1 stop5h 12m

Chicago O'Hare Intl

Wed 9/10

9:51 am-6:30 pm

1 stop7h 39m

$189

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 10/1

2:37 pm-8:27 pm

1 stop6h 50m

Chicago O'Hare Intl

Sun 10/5

5:00 am-1:00 pm

1 stop7h 00m

$204

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sun 10/5

12:14 pm-10:46 pm

1 stop11h 32m

Chicago O'Hare Intl

Wed 10/8

7:29 pm-8:54 am

1 stop12h 25m

$214

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sun 10/5

12:14 pm-10:46 pm

1 stop11h 32m

Chicago O'Hare Intl

Mon 10/6

8:49 pm-9:26 am

1 stop11h 37m

$219

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 9/12

7:00 pm-11:12 pm

1 stop5h 12m

Chicago O'Hare Intl

Mon 9/15

7:02 am-2:05 pm

1 stop6h 03m

$219

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Wed 9/10

7:00 pm-11:12 pm

1 stop5h 12m

Chicago O'Hare Intl

Thu 9/11

5:00 am-1:00 pm

1 stop7h 00m

$219

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 9/8

7:00 pm-11:12 pm

1 stop5h 12m

Chicago O'Hare Intl

Tue 9/9

7:02 am-2:05 pm

1 stop6h 03m

$219

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 10/4

6:35 pm-11:12 pm

1 stop5h 37m

Chicago O'Hare Intl

Mon 10/6

7:10 am-1:26 pm

1 stop5h 16m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 58 results
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Best time to book a flight from Allentown to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

Currently, August is the cheapest month in which you can book a flight from Allentown to Illinois (average of $245). Flying from Allentown to Illinois 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 IL?

Find hourly flight availability from Allentown to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Allentown to Illinois as you normally would.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Allentown to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Allentown to Illinois. 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 Illinois?

    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 Illinois.

  • What are the most popular routes from Allentown to Illinois?

    The most popular flight routes from Allentown to Illinois are Allentown-Bethlehem - Chicago O'Hare Intl, Allentown-Bethlehem - Chicago Midway and Allentown-Bethlehem - Greater Peoria.

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

    Consider GoJet (67%), United Airlines (67%) or Air New Zealand (67%) when booking your flight. These represent the most reliable airlines when flying from Allentown to Illinois.

  • What are the cheapest flights from Allentown to Illinois?

    While on average a flight from Allentown to Illinois is generally $827, our data shows the cheapest flight currently is $306. When looking at the most popular route, (Allentown-Bethlehem - Chicago O'Hare Intl), you can expect to pay $229 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Allentown to Illinois 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 Illinois?

    Currently, August is the cheapest month in which you can book a flight from Allentown to Illinois (average of $245). Flying from Allentown to Illinois 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

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Top 3 airlines flying from Allentown to Illinois

Discover the top 3 airlines that operate flights from Allentown to Illinois. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$306FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$419FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$270Average$496FlexibilityNo cancel feeOn-time69%

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