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Allentown

$85+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ABE
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$85
(American Airlines)

Popular in

March

Cheapest in

May

Average price

$298

Good round-trip deal

$458 or less

Good one-way deal

$298 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. 15% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:37 amORD - ABE
1 stop4h 49mAmerican Airlines
Wed 9/32:37 pmABE - ORD
1 stop5h 28mAmerican Airlines
Deal found 7/31$189
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:23 pmMDW - ABE
1 stop4h 52mDelta
Tue 10/146:00 pmABE - MDW
1 stop5h 14mDelta
Deal found 7/31$229
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/315:45 amORD - ABE
1 stop5h 31mDelta
Tue 9/306:12 pmABE - ORD
1 stop5h 02mDelta
Deal found 7/31$229
This United Airlines deal was found by Cheapflights users on 7/30. 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
Sun 10/121:00 pmABE - ORD
Nonstop2h 32mUnited Airlines
Deal found 7/30$242
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:05 pmORD - ABE
1 stop9h 42mMultiple Airlines
Sun 9/214:55 pmABE - ORD
2 stops27h 55mMultiple Airlines
Deal found 7/31$259
This Mytrip deal was found by Cheapflights users on 7/29. 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 8/11:11 pmMDW - ABE
2 stops21h 45mAllegiant Air
Sun 8/39:16 pmABE - MDW
2 stops17h 40mAllegiant Air
Deal found 7/29$751

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 July 31, 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

Wed 8/27

8:37 am-2:26 pm

1 stop4h 49m

Allentown-Bethlehem

Wed 9/3

2:37 pm-7:05 pm

1 stop5h 28m

$189

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 10/24

6:30 am-8:12 pm

1 stop12h 42m

Allentown-Bethlehem

Sun 10/26

12:14 pm-9:19 pm

1 stop10h 05m

$216

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Sat 10/11

4:23 pm-10:15 pm

1 stop4h 52m

Allentown-Bethlehem

Tue 10/14

6:00 pm-10:14 pm

1 stop5h 14m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sun 8/31

5:45 am-12:16 pm

1 stop5h 31m

Allentown-Bethlehem

Tue 9/30

6:12 pm-10:14 pm

1 stop5h 02m

$229

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 10/4

7:25 am-10:38 am

Nonstop2h 13m

Allentown-Bethlehem

Sun 10/12

1:00 pm-2:32 pm

Nonstop2h 32m

$242

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Tue 9/16

7:02 am-2:05 pm

1 stop6h 03m

$85

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 9/10

5:17 pm-10:56 am

2 stops16h 39m

$109

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Sat 8/23

6:04 am-12:16 pm

1 stop5h 12m

$126

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Wed 8/27

9:47 am-5:34 pm

1 stop6h 47m

$126

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Mon 8/11

1:11 pm-1:41 pm

2 stops23h 30m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 11 results
1
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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 $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 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 July 31, 2025.

It’s optimal to fly from Chicago to Allentown in the morning. By choosing this option you can save up to 52% 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 July 31, 2025.

The most flights from CHI to ABE are scheduled on a Tuesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Chicago to Allentown?

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 July 31, 2025.
Peruse reviews from past customers who have flown with Delta, 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.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
702 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 4 inbound flights from Chicago per day.

  • 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 $189 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $229 and $242 round-trip. American Airlines is 50% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Chicago to Allentown are American Airlines ($85), Delta ($126), and Allegiant Air ($220).

  • 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: Air New Zealand (74%), GoJet (74%), United Airlines (74%).

  • What are the cheapest flights from Chicago to Allentown?

    Looking at all options, your cheapest flight can be booked for $278. While the most popular route (Chicago O'Hare Intl - Allentown-Bethlehem) can be booked for $241 on average our data indicates $469 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 $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 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$278FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$245Average$488FlexibilityNo cancel feeOn-time69%

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