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Allentown

$167+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ABE
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(Delta)

One-way from

$167
(Mytrip)

Popular in

March

Cheapest in

June

Average price

$446

Good round-trip deal

$442 or less

Good one-way deal

$289 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. 10% potential increase in price ($44 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 April 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 April 17, 2025.

This Delta deal was found by Cheapflights users on 4/16. 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.
Thu 5/293:57 pmORD - ABE
1 stop5h 58mDelta
Tue 6/31:12 pmABE - ORD
1 stop6h 36mDelta
Deal found 4/16$229
This Delta deal was found by Cheapflights users on 4/16. 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.
Fri 5/91:08 pmMDW - ABE
2 stops8h 47mDelta
Sun 5/116:00 amABE - MDW
1 stop4h 40mDelta
Deal found 4/16$234
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/11:30 pmORD - ABE
1 stop7h 48mAmerican Airlines
Mon 5/55:27 pmABE - ORD
1 stop7h 44mAmerican Airlines
Deal found 4/16$249
This Delta deal was found by Cheapflights users on 4/16. 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 4/237:10 amSTL - ABE
1 stop4h 17mDelta
Sat 4/261:07 pmABE - STL
1 stop6h 43mDelta
Deal found 4/16$309
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 5/316:35 pmORD - ABE
Nonstop2h 20mUnited Airlines
Sat 6/75:35 pmABE - ORD
Nonstop2h 20mUnited Airlines
Deal found 4/15$329
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Wed 8/68:00 amORD - ABE
1 stop25h 52mMultiple Airlines
Fri 8/156:30 amABE - ORD
2 stops11h 18mMultiple Airlines
Deal found 4/16$341
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Sat 5/108:38 amPIA - ABE
1 stop10h 11mAllegiant Air
Mon 5/1210:09 amABE - PIA
1 stop9h 00mAllegiant Air
Deal found 4/16$342
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/229:50 amSTL - ABE
2 stops10h 48mMultiple Airlines
Sun 5/2510:28 pmABE - STL
2 stops21h 13mMultiple Airlines
Deal found 4/17$343
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:31 pmMLI - ABE
1 stop4h 41mAmerican Airlines
Wed 10/225:42 pmABE - MLI
1 stop5h 06mAmerican Airlines
Deal found 4/17$358
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/251:48 pmSTL - ABE
1 stop7h 30mAmerican Airlines
Tue 4/295:25 pmABE - STL
1 stop4h 59mAmerican Airlines
Deal found 4/17$379
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 5/1011:21 amPIA - ABE
2 stops12h 19mAmerican Airlines
Mon 5/125:27 pmABE - PIA
1 stop7h 29mAmerican Airlines
Deal found 4/16$394
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 5/132:36 pmPIA - ABE
1 stop6h 09mUnited Airlines
Sun 5/186:37 amABE - PIA
1 stop4h 35mUnited Airlines
Deal found 4/16$464

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 April 17, 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 5/29

3:57 pm-10:55 pm

1 stop5h 58m

Allentown-Bethlehem

Tue 6/3

1:12 pm-6:48 pm

1 stop6h 36m

$229

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Fri 5/9

1:08 pm-10:55 pm

2 stops8h 47m

Allentown-Bethlehem

Sun 5/11

6:00 am-9:40 am

1 stop4h 40m

$234

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 5/1

1:30 pm-10:18 pm

1 stop7h 48m

Allentown-Bethlehem

Mon 5/5

5:27 pm-12:11 am

1 stop7h 44m

$249

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Wed 4/23

7:10 am-12:27 pm

1 stop4h 17m

Allentown-Bethlehem

Sat 4/26

1:07 pm-6:50 pm

1 stop6h 43m

$309

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 5/31

6:35 pm-9:55 pm

Nonstop2h 20m

Allentown-Bethlehem

Sat 6/7

5:35 pm-6:55 pm

Nonstop2h 20m

$329

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 8/6

8:00 am-10:52 am

1 stop25h 52m

Allentown-Bethlehem

Fri 8/15

6:30 am-4:48 pm

2 stops11h 18m

$341

PeoriaAllentown

PIA - ABE

PIAABE

Greater Peoria

Sat 5/10

8:38 am-7:49 pm

1 stop10h 11m

Allentown-Bethlehem

Mon 5/12

10:09 am-6:09 pm

1 stop9h 00m

$342

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Thu 5/22

9:50 am-9:38 pm

2 stops10h 48m

Allentown-Bethlehem

Sun 5/25

10:28 pm-6:41 pm

2 stops21h 13m

$343

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Fri 4/25

1:48 pm-10:18 pm

1 stop7h 30m

Allentown-Bethlehem

Tue 4/29

5:25 pm-9:24 pm

1 stop4h 59m

$379

PeoriaAllentown

PIA - ABE

PIAABE

Greater Peoria

Sat 5/10

11:21 am-12:40 am

2 stops12h 19m

Allentown-Bethlehem

Mon 5/12

5:27 pm-11:56 pm

1 stop7h 29m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 28 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, February is the cheapest month in which you can book a flight from Illinois to Allentown (average of $292). Flying from Illinois to Allentown in December is currently the most expensive (average of $395). 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 April 17, 2025.

When flying from Illinois to Allentown, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 17, 2025.

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

Rainfall in Allentown by month

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

In terms of precipitation, rainfall in Allentown ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Allentown when rainfall is around 2.7 in.

Temperature in Allentown by month

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

If weather is an important factor for your trip to Allentown, 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 28.4 F).

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. 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 Allentown. Reviews last updated April 17, 2025.
To help decide which airline to fly from Illinois to Allentown, see what other customers have to say about Delta, United Airlines and Allegiant Air. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
733 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 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.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $169. Users have also found prices from $264 and $459 on United Airlines and American Airlines, 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 Lambert-St Louis - Allentown-Bethlehem.

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

    Consider SkyWest Airlines (100%), United Airlines (84%) or Air New Zealand (77%) 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 $518, our data shows the cheapest flight currently is $245. When looking at the most popular route, (Chicago O'Hare Intl - Allentown-Bethlehem), you can expect to pay $229 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, February is the cheapest month in which you can book a flight from Illinois to Allentown (average of $292). Flying from Illinois to Allentown in December is currently the most expensive (average of $395). 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$145Average$298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$261Average$465FlexibilityNo cancel feeOn-time69%

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