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$140+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ORD
févr. 14 — févr. 211
sam. 2/14
sam. 2/21
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 janvier 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(United Airlines)

One-way from

$140
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$309

Good round-trip deal

$328 or less

Good one-way deal

$229 or less
Provider with most accurate pricing for Allentown-Bethlehem-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Allentown-Bethlehem-Chicago (CHI) flights.
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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. 16% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 janvier 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/14. 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.
jeu. 2/2610:36 am
ABE
-
ORD
Nonstop2h 34m
United Airlines
sam. 2/288:45 am
ORD
-
ABE
Nonstop2h 05m
United Airlines
Deal found 1/14$209
This American Airlines deal was found by Cheapflights users on 1/14. 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.
mar. 2/2412:50 pm
ABE
-
ORD
1 stop7h 50m
American Airlines
dim. 3/15:00 am
ORD
-
ABE
1 stop5h 30m
American Airlines
Deal found 1/14$229
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/205:23 pm
ABE
-
ORD
Nonstop2h 32m
United Airlines
mar. 2/247:00 am
ORD
-
ABE
Nonstop2h 01m
United Airlines
Deal found 1/15$242
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/205:58 pm
ABE
-
ORD
1 stop6h 58m
Delta
mar. 2/245:25 am
ORD
-
ABE
1 stop5h 40m
Delta
Deal found 1/15$249
This Delta deal was found by Cheapflights users on 1/14. 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.
mar. 4/145:59 pm
ABE
-
MDW
1 stop5h 30m
Delta
mar. 4/2110:49 am
MDW
-
ABE
1 stop5h 30m
Delta
Deal found 1/14$249
This United Airlines deal was found by Cheapflights users on 1/14. 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.
ven. 2/66:15 am
ABE
-
ORD
Nonstop2h 43m
United Airlines
dim. 2/87:30 am
ORD
-
ABE
Nonstop2h 11m
United Airlines
Deal found 1/14$252
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/412:48 pm
ABE
-
ORD
1 stop5h 07m
Delta
sam. 2/710:35 am
ORD
-
ABE
2 stops10h 35m
Delta
Deal found 1/15$254
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/205:23 pm
ABE
-
ORD
Nonstop2h 32m
United Airlines
lun. 2/237:00 am
ORD
-
ABE
Nonstop2h 01m
United Airlines
Deal found 1/15$257
This American Airlines deal was found by Cheapflights users on 1/14. 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.
jeu. 2/2612:00 pm
ABE
-
ORD
1 stop6h 58m
American Airlines
sam. 2/285:00 am
ORD
-
ABE
1 stop5h 30m
American Airlines
Deal found 1/14$268
This American Airlines deal was found by Cheapflights users on 1/14. 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.
ven. 1/307:30 am
ABE
-
ORD
1 stop5h 05m
American Airlines
lun. 2/23:21 pm
ORD
-
ABE
1 stop6h 05m
American Airlines
Deal found 1/14$269
This Delta deal was found by Cheapflights users on 1/14. 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.
ven. 4/175:59 pm
ABE
-
MDW
1 stop5h 30m
Delta
sam. 4/1810:49 am
MDW
-
ABE
1 stop5h 30m
Delta
Deal found 1/14$269
This United Airlines deal was found by Cheapflights users on 1/14. 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.
mar. 2/245:23 pm
ABE
-
ORD
Nonstop2h 32m
United Airlines
dim. 3/17:00 am
ORD
-
ABE
Nonstop2h 01m
United Airlines
Deal found 1/14$279

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 janvier 15, 2026.
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

jeu. 2/26

10:36 am-12:10 pm

Nonstop2h 34m

Chicago O'Hare Intl

sam. 2/28

8:45 am-11:50 am

Nonstop2h 05m

$209

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

mar. 4/14

5:59 pm-10:29 pm

1 stop5h 30m

Chicago Midway

sam. 4/18

10:49 am-5:19 pm

1 stop5h 30m

$249

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

ven. 2/20

10:36 am-12:10 pm

Nonstop2h 34m

Chicago O'Hare Intl

lun. 2/23

7:00 am-10:01 am

Nonstop2h 01m

$267

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

ven. 3/6

5:58 pm-11:56 pm

1 stop6h 58m

Chicago O'Hare Intl

dim. 3/8

5:20 am-12:06 pm

1 stop5h 46m

$269

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

mer. 4/15

5:59 pm-10:29 pm

1 stop5h 30m

Chicago Midway

mar. 4/21

10:49 am-5:19 pm

1 stop5h 30m

$269

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

mar. 2/24

5:23 pm-6:55 pm

Nonstop2h 32m

Chicago O'Hare Intl

dim. 3/1

7:00 am-10:01 am

Nonstop2h 01m

$279

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

mer. 2/25

10:36 am-12:10 pm

Nonstop2h 34m

Chicago O'Hare Intl

dim. 3/1

7:00 am-10:01 am

Nonstop2h 01m

$279

AllentownSt. Louis

ABE - STL

ABESTL

Allentown-Bethlehem

sam. 2/21

5:58 pm-11:36 pm

1 stop6h 38m

Lambert-St Louis

mar. 2/24

6:00 am-12:05 pm

1 stop5h 05m

$279

AllentownSt. Louis

ABE - STL

ABESTL

Allentown-Bethlehem

mer. 2/18

5:58 pm-11:36 pm

1 stop6h 38m

Lambert-St Louis

sam. 2/21

5:01 pm-10:49 pm

1 stop4h 48m

$279

AllentownSt. Louis

ABE - STL

ABESTL

Allentown-Bethlehem

mer. 2/11

5:59 pm-11:37 pm

1 stop6h 38m

Lambert-St Louis

mer. 2/18

10:13 am-5:12 pm

1 stop5h 59m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 52 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, December is the cheapest month in which you can book a flight from Allentown to Illinois (average of $48). 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 janvier 15, 2026.

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.

Weekly flight availability from Allentown to Illinois

Explore weekly flight availability from Allentown to Illinois. 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 janvier 15, 2026.

The most flights from ABE to USIL are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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 janvier 15, 2026.
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
8,051 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

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
8,051 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

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
9,164 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

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
11,136 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

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, Delta, and American Airlines can get you from Allentown to Illinois in just under 2h 34m. Your travel time can differ by up to 2h 56m. 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 Emirates (100%), GoJet (68%) or Air New Zealand (64%) 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 $373, our data shows the cheapest flight currently is $177. When looking at the most popular route, (Allentown-Bethlehem - Chicago O'Hare Intl), you can expect to pay $209 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, December is the cheapest month in which you can book a flight from Allentown to Illinois (average of $48). 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.

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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 janvier 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$278FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$210Average$485FlexibilityNo cancel feeOn-time69%
DeltaCheapest$268Average$633FlexibilityNo cancel feeOn-timeN/A

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