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Allentown

$115+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ABE
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This American Airlines deal was found by Cheapflights users on 2/9. 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 3/125:00 am
ORD
-
ABE
1 stop5h 30m
American Airlines
Wed 8/195:18 pm
ABE
-
ORD
Nonstop2h 21m
American Airlines
Deal found 2/9$219
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/77:00 am
ORD
-
ABE
Nonstop1h 58m
United Airlines
Tue 5/125:35 pm
ABE
-
ORD
Nonstop2h 25m
United Airlines
Deal found 2/11$220
This Delta deal was found by Cheapflights users on 2/10. 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 4/86:00 am
MDW
-
ABE
1 stop5h 16m
Delta
Sat 4/115:58 pm
ABE
-
MDW
1 stop5h 33m
Delta
Deal found 2/10$239
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/247:00 am
ORD
-
ABE
Nonstop2h 01m
United Airlines
Sat 2/282:55 pm
ABE
-
ORD
Nonstop2h 32m
United Airlines
Deal found 2/9$249
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/127:00 am
ORD
-
ABE
Nonstop1h 56m
United Airlines
Wed 8/196:30 am
ABE
-
ORD
Nonstop2h 21m
United Airlines
Deal found 2/9$252
This Delta deal was found by Cheapflights users on 2/11. 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 5/239:10 am
ORD
-
ABE
1 stop7h 13m
Delta
Mon 5/256:16 pm
ABE
-
ORD
1 stop6h 43m
Delta
Deal found 2/11$259
This Delta deal was found by Cheapflights users on 2/9. 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.
Tue 2/246:00 am
MDW
-
ABE
1 stop5h 05m
Delta
Sat 2/285:58 pm
ABE
-
MDW
1 stop5h 33m
Delta
Deal found 2/9$269
This Delta deal was found by Cheapflights users on 2/9. 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.
Tue 2/2411:18 am
ORD
-
ABE
1 stop4h 54m
Delta
Sat 2/285:58 pm
ABE
-
ORD
1 stop6h 58m
Delta
Deal found 2/9$269
This Delta deal was found by Cheapflights users on 2/10. 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 2/285:25 am
ORD
-
ABE
1 stop5h 40m
Delta
Sat 3/75:58 pm
ABE
-
ORD
1 stop6h 58m
Delta
Deal found 2/10$279
This Delta deal was found by Cheapflights users on 2/9. 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 5/99:10 am
ORD
-
ABE
1 stop7h 13m
Delta
Sun 5/1012:56 pm
ABE
-
ORD
1 stop6h 39m
Delta
Deal found 2/9$284
This Delta deal was found by Cheapflights users on 2/10. 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 7/116:00 am
MDW
-
ABE
1 stop5h 10m
Delta
Tue 7/215:40 pm
ABE
-
MDW
1 stop5h 05m
Delta
Deal found 2/10$294
This Delta deal was found by Cheapflights users on 2/11. 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.
Sun 3/85:30 am
ORD
-
ABE
1 stop5h 46m
Delta
Sat 3/145:58 pm
ABE
-
ORD
1 stop6h 56m
Delta
Deal found 2/11$294

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(American Airlines)

One-way from

$115
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$288

Good round-trip deal

$252 or less

Good one-way deal

$308 or less
Provider with most accurate pricing for Chicago (CHI)-Allentown-Bethlehem flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Allentown-Bethlehem flights.
Search Deals
From Illinois to Allentown-Bethlehem
Search Deals
One-way flight from Illinois to Allentown-Bethlehem
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Allentown-Bethlehem.
Search Deals
Price to beat on a one-way flight from Illinois to Allentown-Bethlehem.
Search Deals

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 February 12, 2026.
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 3/12

7:00 am-9:56 am

Nonstop1h 56m

Allentown-Bethlehem

Tue 3/17

6:51 pm-8:20 pm

Nonstop2h 29m

$209

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 5/7

7:00 am-9:58 am

Nonstop1h 58m

Allentown-Bethlehem

Tue 5/12

5:35 pm-7:00 pm

Nonstop2h 25m

$220

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Wed 4/8

6:00 am-12:16 pm

1 stop5h 16m

Allentown-Bethlehem

Sat 4/11

5:58 pm-10:31 pm

1 stop5h 33m

$239

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 3/7

5:25 am-12:05 pm

1 stop5h 40m

Allentown-Bethlehem

Sun 3/8

5:58 pm-11:54 pm

1 stop6h 56m

$249

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Tue 2/24

7:00 am-10:01 am

Nonstop2h 01m

Allentown-Bethlehem

Sat 2/28

2:55 pm-4:27 pm

Nonstop2h 32m

$249

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 5/23

9:10 am-5:23 pm

1 stop7h 13m

Allentown-Bethlehem

Mon 5/25

6:16 pm-11:59 pm

1 stop6h 43m

$259

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Tue 2/24

6:00 am-12:05 pm

1 stop5h 05m

Allentown-Bethlehem

Sat 2/28

5:58 pm-10:31 pm

1 stop5h 33m

$269

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Tue 2/24

11:18 am-5:12 pm

1 stop4h 54m

Allentown-Bethlehem

Sat 2/28

5:58 pm-11:56 pm

1 stop6h 58m

$269

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 2/28

5:25 am-12:05 pm

1 stop5h 40m

Allentown-Bethlehem

Sat 3/7

5:58 pm-11:56 pm

1 stop6h 58m

$279

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 5/9

9:10 am-5:23 pm

1 stop7h 13m

Allentown-Bethlehem

Sun 5/10

12:56 pm-6:35 pm

1 stop6h 39m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 49 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 $59). Flying from Illinois to Allentown in July is currently the most expensive (average of $136). 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 February 12, 2026.

It’s typically best to fly out from Illinois to Allentown in the evening. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Illinois to Allentown

Explore weekly flight availability from Illinois to Allentown. 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 February 12, 2026.

The most flights from USIL to ABE are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 1h 56m. 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 Chicago Midway - Allentown-Bethlehem or Lambert-St Louis - Allentown-Bethlehem.

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

    Consider SkyWest Airlines (67%), United Airlines (64%) or GoJet (61%) 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 $359, our data shows the cheapest flight currently is $209. 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 $59). Flying from Illinois to Allentown in July is currently the most expensive (average of $136). 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 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$423FlexibilityNo cancel feeOn-time69%

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