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Allentown

$143+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ABE
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
1 adult, Economy
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Cheap flight deals from Illinois to Allentown

Keep the following information in mind while searching for Illinois to Allentown flight deals. Data was last updated noviembre 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(United Airlines)

One-way from

$143
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$396

Good round-trip deal

$289 or less

Good one-way deal

$273 or less
Provider with most accurate pricing for Chicago (CHI)-Allentown-Bethlehem flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Allentown-Bethlehem 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. 12% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in November 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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Find 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 noviembre 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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.
sáb. 12/206:37 pmORD - ABE
Nonstop2h 10mUnited Airlines
mar. 1/611:30 amABE - ORD
Nonstop2h 43mUnited Airlines
Deal found 11/2$209
This United Airlines deal was found by Cheapflights users on 11/1. 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.
jue. 12/46:35 pmORD - ABE
Nonstop2h 11mUnited Airlines
mié. 12/105:22 pmABE - ORD
Nonstop2h 33mUnited Airlines
Deal found 11/1$220
This Delta deal was found by Cheapflights users on 11/2. 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.
sáb. 12/204:03 pmMDW - ABE
1 stop5h 43mDelta
mar. 1/65:58 pmABE - MDW
1 stop5h 11mDelta
Deal found 11/2$229
This Delta deal was found by Cheapflights users on 11/2. 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.
jue. 12/41:20 pmORD - ABE
1 stop7h 51mDelta
sáb. 12/66:00 pmABE - ORD
1 stop5h 43mDelta
Deal found 11/2$229
This United Airlines deal was found by Cheapflights users on 11/1. 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. 11/256:05 pmORD - ABE
Nonstop2h 11mUnited Airlines
vie. 11/286:32 amABE - ORD
Nonstop2h 33mUnited Airlines
Deal found 11/1$246
This United Airlines deal was found by Cheapflights users on 11/3. 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. 11/181:43 pmORD - ABE
Nonstop2h 04mUnited Airlines
sáb. 11/225:22 pmABE - ORD
Nonstop2h 33mUnited Airlines
Deal found 11/3$249
This American Airlines deal was found by Cheapflights users on 11/2. 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.
jue. 12/115:34 pmORD - ABE
1 stop4h 32mAmerican Airlines
dom. 12/146:10 amABE - ORD
1 stop5h 53mAmerican Airlines
Deal found 11/2$258
This Delta deal was found by Cheapflights users on 11/3. 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. 11/186:00 amMDW - ABE
1 stop5h 16mDelta
sáb. 11/226:00 pmABE - MDW
1 stop6h 40mDelta
Deal found 11/3$269
This Delta deal was found by Cheapflights users on 11/1. 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.
sáb. 11/155:23 amORD - ABE
1 stop5h 53mDelta
mar. 11/1812:56 pmABE - ORD
1 stop6h 56mDelta
Deal found 11/1$269
This United Airlines deal was found by Cheapflights users on 11/2. 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. 12/3010:44 amORD - ABE
Nonstop2h 11mUnited Airlines
lun. 1/56:17 amABE - ORD
Nonstop2h 43mUnited Airlines
Deal found 11/2$285
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
jue. 12/47:23 pmMDW - ABE
2 stops26h 01mMultiple Airlines
mié. 12/1010:00 amABE - MDW
1 stop24h 23mMultiple Airlines
Deal found 11/1$291
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
jue. 11/1311:07 amSTL - ABE
2 stops25h 41mMultiple Airlines
dom. 11/166:24 pmABE - STL
1 stop19h 53mMultiple Airlines
Deal found 10/31$294

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 noviembre 3, 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

jue. 12/4

6:35 pm-9:46 pm

Nonstop2h 11m

Allentown-Bethlehem

mié. 12/10

5:22 pm-6:55 pm

Nonstop2h 33m

$220

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

mié. 2/18

10:35 am-5:13 pm

1 stop5h 38m

Allentown-Bethlehem

sáb. 2/21

5:40 pm-9:46 pm

1 stop5h 06m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

jue. 12/4

1:20 pm-10:11 pm

1 stop7h 51m

Allentown-Bethlehem

sáb. 12/6

6:00 pm-10:43 pm

1 stop5h 43m

$229

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

mié. 2/18

10:00 am-5:13 pm

1 stop6h 13m

Allentown-Bethlehem

sáb. 2/21

5:40 pm-11:40 pm

1 stop7h 00m

$249

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

mar. 11/18

6:00 am-12:16 pm

1 stop5h 16m

Allentown-Bethlehem

sáb. 11/22

6:00 pm-11:40 pm

1 stop6h 40m

$269

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

mar. 11/18

5:23 am-12:16 pm

1 stop5h 53m

Allentown-Bethlehem

sáb. 11/22

6:00 pm-10:30 pm

1 stop5h 30m

$269

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

sáb. 11/15

6:45 am-5:19 pm

2 stops9h 34m

Allentown-Bethlehem

mar. 11/18

6:00 pm-10:30 pm

1 stop5h 30m

$274

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

lun. 11/24

6:05 pm-9:16 pm

Nonstop2h 11m

Allentown-Bethlehem

lun. 12/1

5:22 pm-6:55 pm

Nonstop2h 33m

$279

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

sáb. 3/7

6:37 pm-9:47 pm

Nonstop2h 10m

Allentown-Bethlehem

mar. 3/10

10:33 am-12:05 pm

Nonstop2h 32m

$279

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

vie. 11/28

8:45 am-11:48 am

Nonstop2h 03m

Allentown-Bethlehem

lun. 12/1

5:22 pm-6:55 pm

Nonstop2h 33m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 54 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 $62). Flying from Illinois to Allentown in July is currently the most expensive (average of $135). 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 noviembre 3, 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.

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 noviembre 3, 2025.

The most flights from USIL to ABE are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 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 $220, United Airlines can have you in Allentown from Illinois in 2h 11m. The distance from Illinois to Allentown is about 652 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Allentown one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $219. Users have also found prices from $224 and $234 on United Airlines and Delta, respectively.

  • 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 Greater Peoria - Allentown-Bethlehem.

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

    Consider SkyWest Airlines (86%), United Airlines (80%) or Air New Zealand (79%) 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 $351, 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 $62). Flying from Illinois to Allentown in July is currently the most expensive (average of $135). 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 noviembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$245Average$477FlexibilityNo cancel feeOn-time69%

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