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$166+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ORD
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:17 amABE - ORD
Nonstop2h 43mUnited Airlines
Mon 1/51:30 pmORD - ABE
Nonstop2h 00mUnited Airlines
Deal found 12/14$264
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/225:15 pmABE - ORD
1 stop7h 27mAmerican Airlines
Mon 1/55:00 amORD - ABE
1 stop5h 20mAmerican Airlines
Deal found 12/14$284
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:04 pmABE - ORD
1 stop6h 58mDelta
Thu 1/15:30 amORD - ABE
1 stop6h 43mDelta
Deal found 12/14$304
This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:04 pmABE - STL
1 stop6h 38mDelta
Sat 1/35:55 amSTL - ABE
1 stop5h 14mDelta
Deal found 12/13$304
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Wed 12/246:17 amABE - ORD
Nonstop2h 43mUnited Airlines
Tue 12/306:37 pmORD - ABE
Nonstop2h 10mUnited Airlines
Deal found 12/12$314
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:15 pmABE - ORD
Nonstop2h 38mUnited Airlines
Mon 1/197:30 amORD - ABE
Nonstop2h 11mUnited Airlines
Deal found 12/13$324
This American Airlines deal was found by Cheapflights users on 12/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:04 amABE - ORD
1 stop5h 41mAmerican Airlines
Mon 12/295:00 amORD - ABE
1 stop5h 20mAmerican Airlines
Deal found 12/12$334
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/225:15 pmABE - ORD
1 stop7h 27mAmerican Airlines
Thu 12/255:00 amORD - ABE
1 stop5h 20mAmerican Airlines
Deal found 12/15$339
This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:00 pmABE - ORD
1 stop7h 01mDelta
Sun 1/115:30 amORD - ABE
1 stop5h 35mDelta
Deal found 12/13$344
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:17 amABE - ORD
Nonstop2h 43mUnited Airlines
Mon 12/291:30 pmORD - ABE
Nonstop2h 00mUnited Airlines
Deal found 12/14$349
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:17 amABE - ORD
Nonstop2h 43mUnited Airlines
Tue 12/301:30 pmORD - ABE
Nonstop2h 00mUnited Airlines
Deal found 12/14$354
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/235:15 pmABE - PIA
1 stop7h 41mAmerican Airlines
Thu 1/15:00 amPIA - ABE
1 stop5h 20mAmerican Airlines
Deal found 12/15$363

Find flight deals from Allentown to Illinois

Keep the following information in mind while searching for Allentown to Illinois flight deals. Data was last updated December 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$187
(Kiwi.com)

One-way from

$166
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$272

Good round-trip deal

$363 or less

Good one-way deal

$270 or less
Provider with most accurate pricing for New York (NYC)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Chicago (CHI) flights.
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From Allentown-Bethlehem to Illinois
Search Deals
One-way flight from Allentown-Bethlehem to Illinois
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Allentown-Bethlehem to Illinois.
Search Deals
Price to beat on a one-way flight from Allentown-Bethlehem to Illinois.
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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 December 15, 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

Sat 1/10

6:15 am-7:58 am

Nonstop2h 43m

Chicago O'Hare Intl

Sun 1/11

7:30 am-10:41 am

Nonstop2h 11m

$209

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 1/8

4:57 pm-6:40 pm

Nonstop2h 43m

Chicago O'Hare Intl

Mon 1/12

7:30 am-10:41 am

Nonstop2h 11m

$209

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 1/8

8:30 am-9:03 pm

2 stops13h 33m

Chicago O'Hare Intl

Sun 1/11

7:00 am-9:45 pm

1 stop13h 45m

$221

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 1/8

1:02 pm-6:01 pm

1 stop5h 59m

Chicago O'Hare Intl

Mon 1/12

6:05 am-12:32 pm

1 stop5h 27m

$229

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Wed 1/21

12:50 pm-5:29 pm

1 stop5h 39m

Chicago Midway

Sun 1/25

6:00 am-12:05 pm

1 stop5h 05m

$229

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 1/8

12:50 pm-9:05 pm

2 stops9h 15m

Chicago O'Hare Intl

Sun 1/11

5:30 am-12:05 pm

1 stop5h 35m

$235

AllentownSt. Louis

ABE - STL

ABESTL

Allentown-Bethlehem

Tue 1/13

5:59 pm-11:39 pm

1 stop6h 40m

Lambert-St Louis

Tue 1/20

6:00 am-12:05 pm

1 stop5h 05m

$243

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Mon 2/9

3:01 pm-11:46 pm

1 stop9h 45m

Chicago O'Hare Intl

Thu 2/12

11:41 am-8:33 pm

2 stops31h 52m

$245

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 1/29

11:30 am-1:13 pm

Nonstop2h 43m

Chicago O'Hare Intl

Mon 3/2

7:00 am-10:01 am

Nonstop2h 01m

$259

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 1/29

3:49 pm-10:35 am

1 stop19h 46m

Chicago O'Hare Intl

Mon 3/2

10:15 am-10:27 am

2 stops23h 12m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 55 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, November is the cheapest month in which you can book a flight from Allentown to Illinois (average of $58). Flying from Allentown to Illinois in July is currently the most expensive (average of $128). 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 December 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 34% on flights from Allentown to Illinois by exploring options for tickets in the evening.

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

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 December 15, 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
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,052 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Allentown to Illinois?

    United Airlines, American Airlines, and Delta can get you from Allentown to Illinois in just under 2h 43m. Your travel time can differ by up to 3h 16m. The distance between Allentown and Illinois is about 652 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 - Lambert-St Louis.

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

    Consider SkyWest Airlines (92%), United Airlines (76%) or Air New Zealand (73%) 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 $390, our data shows the cheapest flight currently is $193. When looking at the most popular route, (Allentown-Bethlehem - Chicago O'Hare Intl), you can expect to pay $193 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, November is the cheapest month in which you can book a flight from Allentown to Illinois (average of $58). Flying from Allentown to Illinois in July is currently the most expensive (average of $128). 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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Alternative routes for Allentown to Illinois

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$285FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$211Average$480FlexibilityNo cancel feeOn-time69%
DeltaCheapest$268Average$633FlexibilityNo cancel feeOn-timeN/A

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