HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$123+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ORD
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Allentown to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/912:11 pmABE - ORD
1 stop23h 31mMultiple Airlines
Wed 11/123:26 pmORD - ABE
1 stop19h 12mMultiple Airlines
Deal found 10/20$228
This Delta deal was found by Cheapflights users on 10/21. 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.
Fri 12/512:54 pmABE - ORD
1 stop6h 49mDelta
Tue 12/95:30 amORD - ABE
1 stop5h 44mDelta
Deal found 10/21$229
This Delta deal was found by Cheapflights users on 10/21. 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 12/35:23 pmABE - MDW
1 stop7h 24mDelta
Tue 12/96:00 amMDW - ABE
1 stop5h 14mDelta
Deal found 10/21$229
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/912:11 pmABE - ORD
1 stop23h 31mMultiple Airlines
Thu 11/135:25 amORD - ABE
1 stop17h 10mMultiple Airlines
Deal found 10/20$233
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 12/66:25 amABE - MDW
2 stops12h 53mDelta
Tue 12/96:00 amMDW - ABE
1 stop5h 14mDelta
Deal found 10/21$234
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/912:11 pmABE - ORD
1 stop23h 31mMultiple Airlines
Sat 11/158:00 amORD - ABE
1 stop25h 03mMultiple Airlines
Deal found 10/20$236
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/226:32 amABE - ORD
Nonstop2h 33mUnited Airlines
Tue 11/258:45 amORD - ABE
Nonstop2h 03mUnited Airlines
Deal found 10/21$238
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 11/86:00 pmABE - ORD
1 stop6h 58mDelta
Sat 11/155:23 amORD - ABE
1 stop5h 53mDelta
Deal found 10/21$239
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 11/86:00 pmABE - MDW
1 stop5h 14mDelta
Tue 11/186:00 amMDW - ABE
1 stop5h 16mDelta
Deal found 10/21$239
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/205:07 pmABE - ORD
Nonstop2h 43mUnited Airlines
Thu 1/11:30 pmORD - ABE
Nonstop2h 00mUnited Airlines
Deal found 10/20$242
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 11/86:00 pmABE - ORD
1 stop6h 58mDelta
Tue 11/188:55 amORD - ABE
2 stops12h 17mDelta
Deal found 10/21$244
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/65:22 pmABE - ORD
Nonstop2h 33mUnited Airlines
Sun 11/98:45 amORD - ABE
Nonstop2h 03mUnited Airlines
Deal found 10/20$245

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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$228
(Kiwi.com)

One-way from

$123
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$327

Good round-trip deal

$286 or less

Good one-way deal

$296 or less
Provider with most accurate pricing for Allentown-Bethlehem-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Chicago (CHI) flights.
Search Deals
From Allentown-Bethlehem to Illinois
Search Deals
One-way flight from Allentown-Bethlehem to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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.
Search Deals

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 October 22, 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 2/21

5:40 pm-11:54 pm

1 stop7h 14m

Chicago O'Hare Intl

Wed 2/25

5:50 am-12:07 pm

1 stop5h 17m

$229

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 12/4

12:54 pm-6:43 pm

1 stop6h 49m

Chicago O'Hare Intl

Sun 12/7

5:30 am-12:14 pm

1 stop5h 44m

$229

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Sat 12/6

6:00 pm-11:47 pm

1 stop6h 47m

Chicago Midway

Sun 12/7

6:00 am-12:14 pm

1 stop5h 14m

$229

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Sat 12/6

6:00 pm-11:47 pm

1 stop6h 47m

Chicago Midway

Tue 12/9

6:00 am-12:14 pm

1 stop5h 14m

$229

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Wed 12/3

5:23 pm-11:47 pm

1 stop7h 24m

Chicago Midway

Sun 12/7

10:36 am-5:14 pm

1 stop5h 38m

$229

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Thu 12/4

6:25 am-11:55 am

1 stop6h 30m

Chicago Midway

Sat 12/6

11:05 am-5:14 pm

1 stop5h 09m

$229

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Fri 12/5

6:00 pm-11:47 pm

1 stop6h 47m

Chicago Midway

Sat 12/6

11:05 am-5:14 pm

1 stop5h 09m

$229

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 12/5

12:54 pm-9:40 pm

2 stops9h 46m

Chicago O'Hare Intl

Tue 12/9

5:30 am-12:14 pm

1 stop5h 44m

$234

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 11/8

6:00 pm-11:58 pm

1 stop6h 58m

Chicago O'Hare Intl

Tue 11/18

4:26 pm-10:12 pm

1 stop4h 46m

$239

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Fri 12/5

12:54 pm-9:40 pm

2 stops9h 46m

Chicago O'Hare Intl

Sat 12/6

10:45 am-10:11 pm

2 stops10h 26m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 51 results
1
2
3
...
6

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 $44). 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 October 22, 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.

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 October 22, 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
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,981 reviews
Delta
7.9
Good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,988 reviews
Delta
7.9
Good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,029 reviews
Delta
7.9
Good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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?

    Delta, United Airlines, and Allegiant Air can get you from Allentown to Illinois in just under 4h 39m. Your travel time can differ by up to 4h 14m. The distance between Allentown and Illinois is about 746 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 - Greater Peoria.

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

    Consider SkyWest Airlines (91%), United Airlines (87%) or Air New Zealand (84%) 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 $421, our data shows the cheapest flight currently is $174. 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, November is the cheapest month in which you can book a flight from Allentown to Illinois (average of $44). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Allentown to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Los Angeles flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Orlando flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Las Vegas flights
LaGuardia to Dallas/Fort Worth flights
LaGuardia to Miami flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Miami flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Orlando flights
John F Kennedy Intl to San Francisco flights
Newark to Dallas/Fort Worth flights
Dulles Intl to Las Vegas flights
John F Kennedy Intl to Tampa flights
Newark to Hobby flights
John F Kennedy Intl to Atlanta flights
Newark to Los Angeles flights
John F Kennedy Intl to West Palm Beach flights
LaGuardia to Orlando flights
John F Kennedy Intl to Sky Harbor Intl flights
LaGuardia to Hobby flights
Newark to San Francisco flights
Dulles Intl to Miami flights
Dulles Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Hobby flights
Philadelphia to Orlando flights
Newark to Tampa flights
John F Kennedy Intl to New Orleans flights
Newark to O'Hare Intl flights
LaGuardia to Tampa flights
Newark to West Palm Beach flights
Newark to Las Vegas flights
LaGuardia to Los Angeles flights
Reagan-National to Miami flights
LaGuardia to Atlanta flights
John F Kennedy Intl to Denver flights
John F Kennedy Intl to Seattle flights
John F Kennedy Intl to Austin flights
Reagan-National to Las Vegas flights
Newark to New Orleans flights
LaGuardia to O'Hare Intl flights
LaGuardia to New Orleans flights
John F Kennedy Intl to George Bush Intcntl flights
Dulles Intl to Orlando flights
Newark to Sky Harbor Intl flights
Dulles Intl to Atlanta flights
Newark to Atlanta flights

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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$286FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$210Average$490FlexibilityNo cancel feeOn-time69%
DeltaCheapest$268Average$633FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.