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$126+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ABE
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Delta)

One-way from

$126
(Mytrip)

Popular in

November

Cheapest in

June

Average price

$260

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. 16% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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 5/216:00 amMDW - ABE
1 stop5h 32mDelta
Sun 5/256:00 amABE - MDW
1 stop7h 08mDelta
Deal found 3/27$229
This Delta deal was found by Cheapflights users on 3/27. 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 5/215:30 amORD - ABE
1 stop6h 02mDelta
Sun 5/256:00 amABE - ORD
1 stop5h 03mDelta
Deal found 3/27$229
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/114:26 pmMLI - ABE
1 stop4h 52mAmerican Airlines
Tue 4/155:25 pmABE - MLI
1 stop5h 24mAmerican Airlines
Deal found 3/27$259
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Sun 5/117:47 amORD - ABE
1 stop27h 26mMultiple Airlines
Sun 5/1812:14 pmABE - ORD
1 stop21h 36mMultiple Airlines
Deal found 3/27$268
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/246:35 pmORD - ABE
Nonstop2h 20mUnited Airlines
Sun 5/255:35 pmABE - ORD
Nonstop2h 20mUnited Airlines
Deal found 3/27$279
This American Airlines deal was found by Cheapflights users on 3/27. 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 6/274:45 pmORD - ABE
1 stop6h 54mAmerican Airlines
Sat 7/58:03 pmABE - ORD
1 stop4h 54mAmerican Airlines
Deal found 3/27$304
This Delta deal was found by Cheapflights users on 3/27. 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 5/1510:05 amSTL - ABE
1 stop6h 01mDelta
Sat 5/175:50 pmABE - STL
1 stop6h 48mDelta
Deal found 3/27$314
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/112:32 pmPIA - ABE
1 stop5h 53mUnited Airlines
Tue 4/155:32 pmABE - PIA
1 stop5h 01mUnited Airlines
Deal found 3/27$404
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Fri 5/238:04 pmMDW - ABE
2 stops26h 19mAllegiant Air
Fri 5/308:00 amABE - MDW
2 stops11h 10mAllegiant Air
Deal found 3/27$406
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Fri 4/259:50 amSTL - ABE
3 stops29h 04mMultiple Airlines
Sun 4/277:30 amABE - STL
1 stop10h 45mMultiple Airlines
Deal found 3/27$415
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/113:40 pmSTL - ABE
1 stop4h 45mUnited Airlines
Tue 4/155:32 pmABE - STL
1 stop5h 16mUnited Airlines
Deal found 3/27$424
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/123:55 pmDBQ - ABE
1 stop5h 00mMultiple Airlines
Sat 7/265:35 pmABE - DBQ
1 stop22h 50mMultiple Airlines
Deal found 3/26$581

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 March 28, 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

MDW - ABE

MDWABE

Chicago Midway

Wed 5/21

6:00 am-12:32 pm

1 stop5h 32m

Allentown-Bethlehem

Sun 5/25

6:00 am-12:08 pm

1 stop7h 08m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 5/21

5:30 am-12:32 pm

1 stop6h 02m

Allentown-Bethlehem

Sat 5/24

5:50 pm-11:17 pm

1 stop6h 27m

$229

MolineAllentown

MLI - ABE

MLIABE

Moline Quad-City

Fri 4/11

4:26 pm-10:18 pm

1 stop4h 52m

Allentown-Bethlehem

Tue 4/15

5:25 pm-9:49 pm

1 stop5h 24m

$259

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sun 5/11

7:47 am-12:13 pm

1 stop27h 26m

Allentown-Bethlehem

Sun 5/18

12:14 pm-8:50 am

1 stop21h 36m

$268

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 5/24

6:35 pm-9:55 pm

Nonstop2h 20m

Allentown-Bethlehem

Sun 5/25

5:35 pm-6:55 pm

Nonstop2h 20m

$279

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 6/27

4:45 pm-12:39 am

1 stop6h 54m

Allentown-Bethlehem

Sat 7/5

8:03 pm-11:57 pm

1 stop4h 54m

$304

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Thu 5/15

10:05 am-5:06 pm

1 stop6h 01m

Allentown-Bethlehem

Sat 5/17

5:50 pm-11:38 pm

1 stop6h 48m

$314

PeoriaAllentown

PIA - ABE

PIAABE

Greater Peoria

Fri 4/11

2:32 pm-9:25 pm

1 stop5h 53m

Allentown-Bethlehem

Tue 4/15

5:32 pm-9:33 pm

1 stop5h 01m

$404

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Fri 5/23

8:04 pm-11:23 pm

2 stops26h 19m

Allentown-Bethlehem

Fri 5/30

8:00 am-6:10 pm

2 stops11h 10m

$406

St. LouisAllentown

STL - ABE

STLABE

Lambert-St Louis

Fri 4/25

9:50 am-3:54 pm

3 stops29h 04m

Allentown-Bethlehem

Sun 4/27

7:30 am-5:15 pm

1 stop10h 45m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 23 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 March 28, 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.

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 March 28, 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
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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
731 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

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 $234. Users have also found prices from $259 and $619 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 Air New Zealand (82%), Emirates (78%) 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 $451, our data shows the cheapest flight currently is $258. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$145Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$242Average$450FlexibilityNo cancel feeOn-time69%
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