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$163+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ORD
ene. 21 — ene. 281
mar. 1/21
mar. 1/28
1 adult, Economy
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Cheap flight deals from Allentown to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 16, 2025.

Round-trip from

$209
(United Airlines)

One-way from

$163
(Mytrip)
From Allentown-Bethlehem to Illinois
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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 enero 16, 2025.

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.
vie. 2/76:30 amABE - ORD
Nonstop2h 35mUnited Airlines
dom. 2/91:55 pmORD - ABE
Nonstop2h 00mUnited Airlines
Deal found 1/15$209
This Delta deal was found by Cheapflights users on 1/16. 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.
vie. 2/145:30 pmABE - ORD
1 stop7h 19mDelta
mar. 2/185:45 amORD - ABE
1 stop5h 53mDelta
Deal found 1/16$229
This Mytrip deal was found by Cheapflights users on 1/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/27:04 pmABE - ORD
1 stop16h 36mMultiple Airlines
mié. 3/57:42 pmORD - ABE
1 stop17h 27mMultiple Airlines
Deal found 1/16$243
This American Airlines deal was found by Cheapflights users on 1/16. 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.
mié. 4/236:05 amABE - STL
1 stop7h 48mAmerican Airlines
mar. 4/299:18 amSTL - ABE
1 stop6h 37mAmerican Airlines
Deal found 1/16$249
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.
jue. 2/136:20 amABE - PIA
1 stop5h 00mUnited Airlines
mié. 2/192:22 pmPIA - ABE
1 stop6h 02mUnited Airlines
Deal found 1/15$249
This Delta deal was found by Cheapflights users on 1/16. 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.
jue. 1/305:30 pmABE - STL
1 stop7h 07mDelta
dom. 2/27:15 amSTL - ABE
1 stop4h 23mDelta
Deal found 1/16$259
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/145:37 pmABE - ORD
1 stop7h 16mAmerican Airlines
lun. 2/175:10 amORD - ABE
1 stop6h 02mAmerican Airlines
Deal found 1/15$269
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.
jue. 2/136:15 amABE - MDW
1 stop4h 57mDelta
dom. 2/166:00 amMDW - ABE
1 stop6h 20mDelta
Deal found 1/15$269
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/136:00 amABE - PIA
2 stops11h 07mAmerican Airlines
mié. 2/195:00 amPIA - ABE
1 stop6h 12mAmerican Airlines
Deal found 1/15$312
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.
jue. 1/305:30 pmABE - BMI
1 stop5h 56mDelta
lun. 2/34:00 pmBMI - ABE
1 stop5h 39mDelta
Deal found 1/15$389
This American Airlines deal was found by Cheapflights users on 1/16. 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.
jue. 2/136:00 amABE - EVV
1 stop4h 53mAmerican Airlines
mié. 2/195:05 amEVV - ABE
1 stop6h 07mAmerican Airlines
Deal found 1/16$459
This United Airlines deal was found by Cheapflights users on 1/16. 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.
mié. 4/236:30 amABE - STL
2 stops15h 26mUnited Airlines
mar. 4/299:39 amSTL - ABE
1 stop6h 18mUnited Airlines
Deal found 1/16$517

Find flights from Allentown to Illinois within your budget

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 enero 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

vie. 2/7

6:30 am-8:05 am

Nonstop2h 35m

Chicago O'Hare Intl

dom. 2/9

1:55 pm-4:55 pm

Nonstop2h 00m

$209

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

vie. 2/14

5:30 pm-11:49 pm

1 stop7h 19m

Chicago O'Hare Intl

mié. 2/19

11:15 am-4:49 pm

1 stop4h 34m

$229

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

dom. 3/2

7:04 pm-10:40 am

1 stop16h 36m

Chicago O'Hare Intl

mié. 3/5

7:42 pm-2:09 pm

1 stop17h 27m

$243

AllentownSt. Louis

ABE - STL

ABESTL

Allentown-Bethlehem

mié. 4/23

6:05 am-12:53 pm

1 stop7h 48m

Lambert-St Louis

mar. 4/29

9:18 am-4:55 pm

1 stop6h 37m

$249

AllentownPeoria

ABE - PIA

ABEPIA

Allentown-Bethlehem

jue. 2/13

6:20 am-10:20 am

1 stop5h 00m

Greater Peoria

mié. 2/19

2:22 pm-9:24 pm

1 stop6h 02m

$249

AllentownSt. Louis

ABE - STL

ABESTL

Allentown-Bethlehem

jue. 1/30

5:30 pm-11:37 pm

1 stop7h 07m

Lambert-St Louis

dom. 2/2

7:15 am-12:38 pm

1 stop4h 23m

$259

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

vie. 2/14

5:37 pm-11:53 pm

1 stop7h 16m

Chicago O'Hare Intl

lun. 2/17

5:10 am-12:12 pm

1 stop6h 02m

$269

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

jue. 2/13

6:15 am-10:12 am

1 stop4h 57m

Chicago Midway

dom. 2/16

6:00 am-1:20 pm

1 stop6h 20m

$269

AllentownPeoria

ABE - PIA

ABEPIA

Allentown-Bethlehem

jue. 2/13

6:00 am-4:07 pm

2 stops11h 07m

Greater Peoria

mié. 2/19

5:00 am-12:12 pm

1 stop6h 12m

$312

AllentownBloomington

ABE - BMI

ABEBMI

Allentown-Bethlehem

jue. 1/30

5:30 pm-10:26 pm

1 stop5h 56m

Bloomington-Normal

lun. 2/3

4:00 pm-10:39 pm

1 stop5h 39m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 23 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.

Travel insights for flights from Allentown to Illinois

Get recent, data-driven insights about flights from Allentown to Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Allentown to Illinois (average of $245). Flying from Allentown to Illinois in March is currently the most expensive (average of $320). 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 enero 16, 2025.

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 enero 16, 2025.

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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 enero 16, 2025.
To help decide which airline to fly from Allentown to Illinois, see what other customers have to say about American Airlines, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Allegiant Air
7.4
Good
801 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    One-way options have recently been found by users for as low as $172 on American Airlines. Other airlines that offer cheap prices include Delta from $172 and United Airlines from $224 one-way.

  • 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 SkyWest Airlines (100%), Emirates (100%) or United Airlines (78%) 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 $827, our data shows the cheapest flight currently is $227. 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, August is the cheapest month in which you can book a flight from Allentown to Illinois (average of $245). Flying from Allentown to Illinois in March is currently the most expensive (average of $320). 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 enero 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$168Average$329FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$193Average$455FlexibilityNo cancel feeOn-time69%
DeltaCheapest$218Average$442FlexibilityNo cancel feeOn-timeN/A
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