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$80+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ABE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$159
(American Airlines)

One-way from

$80
(American Airlines)

Popular in

March

Cheapest in

May

Average price

$304

Good round-trip deal

$419 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. 14% potential increase in price ($66 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 June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 8/95:20 amORD - ABE
1 stop7h 06mAmerican Airlines
Tue 9/92:37 pmABE - ORD
1 stop4h 57mAmerican Airlines
Deal found 6/10$159
This Delta deal was found by Cheapflights users on 6/11. 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 7/121:35 pmORD - ABE
1 stop7h 55mDelta
Wed 7/166:14 pmABE - ORD
1 stop6h 55mDelta
Deal found 6/11$249
This Mytrip deal was found by Cheapflights users on 6/10. 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 9/127:15 amORD - ABE
1 stop12h 25mMultiple Airlines
Mon 9/1512:54 pmABE - ORD
2 stops26h 40mMultiple Airlines
Deal found 6/10$271
This Delta deal was found by Cheapflights users on 6/11. 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 7/54:26 pmMDW - ABE
1 stop5h 03mDelta
Wed 7/96:00 amABE - MDW
2 stops7h 29mDelta
Deal found 6/11$349
This Mytrip deal was found by Cheapflights users on 6/11. 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 8/152:54 pmMDW - ABE
2 stops20h 06mAllegiant Air
Mon 8/188:00 amABE - MDW
2 stops11h 17mAllegiant Air
Deal found 6/11$367
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/266:35 pmORD - ABE
Nonstop2h 20mUnited Airlines
Sat 8/26:30 amABE - ORD
Nonstop2h 23mUnited Airlines
Deal found 6/11$379

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 June 12, 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 8/9

5:20 am-1:26 pm

1 stop7h 06m

Allentown-Bethlehem

Tue 9/9

2:37 pm-6:34 pm

1 stop4h 57m

$159

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 7/12

1:35 pm-10:30 pm

1 stop7h 55m

Allentown-Bethlehem

Wed 7/16

6:14 pm-12:09 am

1 stop6h 55m

$249

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Fri 9/12

7:15 am-8:40 pm

1 stop12h 25m

Allentown-Bethlehem

Mon 9/15

12:54 pm-2:34 pm

2 stops26h 40m

$271

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Sat 7/5

4:26 pm-10:29 pm

1 stop5h 03m

Allentown-Bethlehem

Wed 7/9

6:00 am-12:29 pm

2 stops7h 29m

$349

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Fri 8/15

2:54 pm-12:00 pm

2 stops20h 06m

Allentown-Bethlehem

Mon 8/18

8:00 am-6:17 pm

2 stops11h 17m

$367

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 7/26

6:35 pm-9:55 pm

Nonstop2h 20m

Allentown-Bethlehem

Sat 8/2

6:30 am-7:53 am

Nonstop2h 23m

$379

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 8/9

5:20 am-1:26 pm

1 stop7h 06m

$80

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Thu 7/10

11:11 am-11:14 pm

1 stop11h 03m

$126

ChicagoAllentown

ORD - ABE

ORDABE

Chicago O'Hare Intl

Sat 8/9

6:00 am-5:34 pm

2 stops10h 34m

$135

ChicagoAllentown

MDW - ABE

MDWABE

Chicago Midway

Sat 8/9

1:09 pm-10:30 pm

2 stops8h 21m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 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 $292). 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 June 12, 2025.

It’s optimal to fly from Chicago to Allentown in the morning. By choosing this option you can save up to 46% 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 June 12, 2025.

The most flights from CHI 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 June 12, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air from Chicago to Allentown have to say. 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
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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 5 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 $159 on this airline. Additional options worth looking into are Delta and Allegiant Air, starting at $249 and $367 round-trip. American Airlines is 58% 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 ($80), Delta ($135), and Allegiant Air ($168).

  • 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 (100%), United Airlines (90%), GoJet (87%).

  • 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 $225 on average our data indicates $431 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 $292). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$188Average$298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$259Average$464FlexibilityNo cancel feeOn-time69%

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