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Allentown

$87+ Cheap flights from Illinois to Allentown (ABE)

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ABE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Illinois to Allentown

Cheapest flights from Illinois to Allentown
Explore the most affordable flight options available from Illinois to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/215:00 amPIA - ABE
1 stop5h 20mAmerican Airlines
Wed 1/141:02 pmABE - PIA
1 stop4h 57mAmerican Airlines
Deal found 12/16$319
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/171:43 pmORD - ABE
Nonstop2h 04mUnited Airlines
Wed 12/245:07 pmABE - ORD
Nonstop2h 43mUnited Airlines
Deal found 12/16$379
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/175:00 amORD - ABE
1 stop7h 18mAmerican Airlines
Wed 12/2411:50 amABE - ORD
1 stop5h 15mAmerican Airlines
Deal found 12/16$429
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:44 amORD - ABE
Nonstop2h 11mUnited Airlines
Mon 12/226:17 amABE - ORD
Nonstop2h 43mUnited Airlines
Deal found 12/15$449
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/236:37 pmORD - ABE
Nonstop2h 10mUnited Airlines
Fri 12/266:17 amABE - ORD
Nonstop2h 43mUnited Airlines
Deal found 12/17$451
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/243:30 pmPIA - ABE
1 stop5h 17mUnited Airlines
Thu 1/296:15 amABE - PIA
1 stop4h 55mUnited Airlines
Deal found 12/16$454
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.
Sat 12/205:28 pmORD - ABE
1 stop5h 01mAmerican Airlines
Sun 12/216:04 amABE - ORD
1 stop5h 41mAmerican Airlines
Deal found 12/15$459
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.
Wed 12/315:00 amSTL - ABE
1 stop5h 20mAmerican Airlines
Sun 1/45:15 pmABE - STL
1 stop7h 40mAmerican Airlines
Deal found 12/15$489
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/263:30 pmPIA - ABE
1 stop5h 17mUnited Airlines
Wed 12/316:17 amABE - PIA
1 stop7h 03mUnited Airlines
Deal found 12/17$534
This Delta deal was found by Cheapflights users on 12/16. 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 12/176:00 amSTL - ABE
1 stop5h 14mDelta
Wed 12/242:00 pmABE - STL
1 stop6h 04mDelta
Deal found 12/16$534
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/206:37 pmORD - ABE
Nonstop2h 10mUnited Airlines
Mon 12/222:30 pmABE - ORD
Nonstop2h 43mUnited Airlines
Deal found 12/16$544
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:30 pmPIA - ABE
1 stop5h 17mUnited Airlines
Sun 1/46:17 amABE - PIA
1 stop7h 03mUnited Airlines
Deal found 12/15$554

Find flight deals from Illinois to Allentown

Keep the following information in mind while searching for Illinois to Allentown flight deals. Data was last updated December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$209
(United Airlines)

One-way from

$87
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$232

Good round-trip deal

$284 or less

Good one-way deal

$338 or less
Provider with most accurate pricing for Chicago (CHI)-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-New York (NYC) flights.
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From Illinois to Allentown-Bethlehem
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One-way flight from Illinois to Allentown-Bethlehem
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Highest demand for flights based on searches. 6% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Illinois to Allentown-Bethlehem.
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Price to beat on a one-way flight from Illinois to Allentown-Bethlehem.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Allentown 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 18, 2025.
Use the filters below to find and compare flights from Illinois to Allentown that are best for you.

Fly from

Illinois

Fly to

Allentown

Route

Depart

Return

Price

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 2/26

7:00 am-10:01 am

Nonstop2h 01m

Allentown-Bethlehem

Sun 3/1

6:28 am-8:00 am

Nonstop2h 32m

$209

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 1/8

7:30 am-10:41 am

Nonstop2h 11m

Allentown-Bethlehem

Sun 1/11

6:15 am-7:58 am

Nonstop2h 43m

$209

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 1/8

7:00 am-9:45 pm

1 stop13h 45m

Allentown-Bethlehem

Sun 1/11

3:13 pm-9:43 am

1 stop19h 30m

$226

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Thu 1/8

11:21 am-5:18 pm

1 stop4h 57m

Allentown-Bethlehem

Sun 1/11

5:59 pm-10:07 pm

1 stop5h 08m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 1/15

5:30 am-12:05 pm

1 stop5h 35m

Allentown-Bethlehem

Thu 1/22

5:59 pm-11:56 pm

1 stop6h 57m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sun 1/4

1:30 pm-4:30 pm

Nonstop2h 00m

Allentown-Bethlehem

Fri 1/30

4:57 pm-6:40 pm

Nonstop2h 43m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 1/15

7:30 am-10:41 am

Nonstop2h 11m

Allentown-Bethlehem

Thu 1/22

4:57 pm-6:40 pm

Nonstop2h 43m

$246

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Sat 5/23

1:00 pm-10:56 pm

2 stops8h 56m

Allentown-Bethlehem

Mon 5/25

6:30 am-11:56 am

1 stop6h 26m

$254

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Mon 1/5

12:09 pm-3:21 pm

1 stop26h 12m

Allentown-Bethlehem

Sun 2/1

3:13 pm-9:43 am

1 stop19h 30m

$273

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 1/23

7:30 am-10:41 am

Nonstop2h 11m

Allentown-Bethlehem

Mon 1/26

4:57 pm-6:40 pm

Nonstop2h 43m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 50 results
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Best time to book a flight from Illinois to Allentown

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Allentown (average of $57). Flying from Illinois to Allentown in July is currently the most expensive (average of $134). 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 IL to ABE?

Find hourly flight availability from Illinois to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Illinois to Allentown in the evening. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

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

    Located just 3.9 mi from the city center, Allentown-Bethlehem (ABE) is the airport most travelers will use when flying to Allentown from Illinois.

  • How long is the flight from Illinois to Allentown?

    For as low as $209, United Airlines can have you in Allentown from Illinois in 2h 01m. The distance from Illinois to Allentown is about 652 mi. This flight may include one or multiple stops.

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

    The most popular route from Illinois to Allentown is Chicago O'Hare Intl - Allentown-Bethlehem. You may also consider Greater Peoria - Allentown-Bethlehem or Lambert-St Louis - Allentown-Bethlehem.

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

    Consider SkyWest Airlines (74%), United Airlines (63%) or Air New Zealand (58%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Allentown.

  • What are the cheapest flights from Illinois to Allentown?

    While on average a flight from Illinois to Allentown is generally $419, our data shows the cheapest flight currently is $218. When looking at the most popular route, (Chicago O'Hare Intl - Allentown-Bethlehem), you can expect to pay $209 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Allentown (average of $57). Flying from Illinois to Allentown in July is currently the most expensive (average of $134). 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

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Top 2 airlines flying from Illinois to Allentown

Discover the top 2 airlines that operate flights from Illinois to Allentown. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$268FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$402FlexibilityNo cancel feeOn-time69%

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