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Allentown

$121+ Cheap flights from Chicago (CHI) 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ABE
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Chicago to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Allentown (ABE). 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 September 15, 2025.

Round-trip from

$169
(American Airlines)

One-way from

$121
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$359

Good round-trip deal

$359 or less

Good one-way deal

$448 or less
From Chicago (CHI) to Allentown-Bethlehem
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One-way flight from Chicago (CHI) to Allentown-Bethlehem
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Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Allentown-Bethlehem.
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Price to beat on a one-way flight from Chicago (CHI) to Allentown-Bethlehem.
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Find flight deals from Chicago to Allentown

Cheapest flights from Chicago to Allentown
Explore the most affordable flight options available from Chicago to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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 10/47:02 amORD - ABE
1 stop6h 20mAmerican Airlines
Sat 10/185:53 pmABE - ORD
1 stop7h 00mAmerican Airlines
Deal found 9/13$169
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/315:20 amORD - ABE
1 stop7h 53mAmerican Airlines
Sat 11/15:53 pmABE - ORD
1 stop4h 32mAmerican Airlines
Deal found 9/14$189
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/278:37 amORD - ABE
1 stop4h 45mAmerican Airlines
Sat 10/46:35 pmABE - ORD
1 stop5h 37mAmerican Airlines
Deal found 9/13$204
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/47:25 amORD - ABE
Nonstop2h 13mUnited Airlines
Sat 10/185:28 pmABE - ORD
Nonstop2h 27mUnited Airlines
Deal found 9/13$209
This United Airlines deal was found by Cheapflights users on 9/13. 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 9/271:45 pmORD - ABE
Nonstop2h 08mUnited Airlines
Sat 10/45:28 pmABE - ORD
Nonstop2h 27mUnited Airlines
Deal found 9/13$219
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/152:12 pmORD - ABE
1 stop7h 41mAmerican Airlines
Tue 11/184:30 pmABE - ORD
1 stop8h 07mAmerican Airlines
Deal found 9/14$229
This Delta deal was found by Cheapflights users on 9/13. 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 10/410:35 amORD - ABE
2 stops10h 47mDelta
Sat 10/186:00 pmABE - ORD
1 stop6h 58mDelta
Deal found 9/13$234
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/86:58 pmORD - ABE
1 stop13h 28mMultiple Airlines
Wed 10/159:14 pmABE - ORD
1 stop20h 43mMultiple Airlines
Deal found 9/13$240
This Delta deal was found by Cheapflights users on 9/14. 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 11/156:45 amORD - ABE
2 stops9h 34mDelta
Tue 11/1812:56 pmABE - ORD
1 stop6h 51mDelta
Deal found 9/14$244
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/49:51 amORD - ABE
1 stop7h 10mAmerican Airlines
Sun 10/57:59 pmABE - ORD
1 stop4h 40mAmerican Airlines
Deal found 9/13$248
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/87:25 amORD - ABE
Nonstop2h 13mUnited Airlines
Wed 10/151:00 pmABE - ORD
Nonstop2h 32mUnited Airlines
Deal found 9/13$249
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/315:20 amORD - ABE
1 stop7h 53mAmerican Airlines
Mon 11/34:30 pmABE - ORD
1 stop8h 07mAmerican Airlines
Deal found 9/13$253

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 September 15, 2025.
Use the filters below to find and compare flights from Chicago to Allentown that are best for you.

Fly from

Chicago

Fly to

Allentown

Route

Depart

Return

Price

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 10/4

7:02 am-2:22 pm

1 stop6h 20m

Allentown-Bethlehem

Sat 10/18

5:53 pm-11:53 pm

1 stop7h 00m

$169

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 9/27

9:51 am-6:01 pm

1 stop7h 10m

Allentown-Bethlehem

Sat 10/4

6:35 pm-11:12 pm

1 stop5h 37m

$204

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 10/4

7:25 am-10:38 am

Nonstop2h 13m

Allentown-Bethlehem

Sat 10/18

5:28 pm-6:55 pm

Nonstop2h 27m

$209

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 9/27

7:25 am-10:38 am

Nonstop2h 13m

Allentown-Bethlehem

Sat 10/4

5:28 pm-6:55 pm

Nonstop2h 27m

$219

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 10/4

10:35 am-10:22 pm

2 stops10h 47m

Allentown-Bethlehem

Sat 10/18

6:00 pm-11:58 pm

1 stop6h 58m

$234

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 10/31

6:30 pm-9:41 pm

Nonstop2h 11m

Allentown-Bethlehem

Sat 11/1

5:22 pm-6:55 pm

Nonstop2h 33m

$248

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 10/4

9:51 am-6:01 pm

1 stop7h 10m

Allentown-Bethlehem

Sun 10/5

7:59 pm-11:39 pm

1 stop4h 40m

$248

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Mon 10/13

7:51 pm-9:26 am

1 stop12h 35m

Allentown-Bethlehem

Mon 10/20

6:15 am-10:08 am

1 stop28h 53m

$265

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 3/7

6:37 pm-9:47 pm

Nonstop2h 10m

Allentown-Bethlehem

Tue 3/10

5:32 pm-6:46 pm

Nonstop2h 14m

$279

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 10/4

1:45 pm-4:53 pm

Nonstop2h 08m

Allentown-Bethlehem

Sun 10/5

6:30 am-7:58 am

Nonstop2h 28m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 32 results
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Best time to book a flight from Chicago to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Chicago 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 Chicago to Allentown

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

Currently, February is the cheapest month in which you can book a flight from Chicago to Allentown (average of $289). Flying from Chicago to Allentown in December is currently the most expensive (average of $383). 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 CHI to ABE?

Find hourly flight availability from Chicago 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 September 15, 2025.

It’s optimal to fly from Chicago to Allentown in the morning. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Chicago to Allentown

Explore weekly flight availability from Chicago 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 September 15, 2025.

The most flights from CHI 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).

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 September 15, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Chicago to Allentown to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly into when you book flights from Chicago to Allentown. 2 airlines have flights to Allentown-Bethlehem from Chicago on a regular basis. Booking flights from Chicago to Allentown-Bethlehem should not be difficult; the airport handles an average of 7 inbound flights from Chicago per day.

  • How long is the flight from Chicago to Allentown?

    Departing from Chicago to Allentown will take you 2h 13m. Airlines will cover a distance of 652 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Chicago to Allentown round-trip?

    Our cheapest airline available from Chicago to Allentown is American Airlines. Our recent data shows that you can find tickets from as low as $158 on this airline. An additional option worth looking into is United Airlines, starting at $245. American Airlines is 61% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Allentown on time: SkyWest Airlines (93%), United Airlines (80%), Air New Zealand (75%).

  • What are the cheapest flights from Chicago to Allentown?

    Looking at all options, your cheapest flight can be booked for $258. While the most popular route (Chicago O'Hare Intl - Allentown-Bethlehem) can be booked for $219 on average, our data indicates $444 when flying from Chicago to Allentown.

  • Can I find deals for flights from Chicago to Allentown that include hotel bookings?

    Yes. In addition to deals on Chicago to Allentown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Allentown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Allentown.

  • Can I find deals for business class flights from Chicago to Allentown?

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Allentown?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Allentown (average of $289). Flying from Chicago to Allentown in December is currently the most expensive (average of $383). 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 Chicago to Allentown

Discover the top 2 airlines that operate flights from Chicago 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$254FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$245Average$498FlexibilityNo cancel feeOn-time69%

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