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$92+ Cheap flights from Allentown (ABE) to Chicago (CHI)

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — CHI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Allentown-Bethlehem to Chicago are usually found in January or February, booked 62 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Allentown to Chicago

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

$92
(Mytrip)

Popular in

March

Cheapest in

January

Average price

$402

Good round-trip deal

$423 or less

Good one-way deal

$268 or less
From Allentown-Bethlehem to Chicago (CHI)
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One-way flight from Allentown-Bethlehem to Chicago (CHI)
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($9 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 Allentown-Bethlehem to Chicago (CHI).
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Price to beat on a one-way flight from Allentown-Bethlehem to Chicago (CHI).
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Find flight deals from Allentown to Chicago

Cheapest flights from Allentown to Chicago
Explore the most affordable flight options available from Allentown to Chicago. 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 8/168:07 pmABE - ORD
1 stop4h 41mAmerican Airlines
Tue 8/198:37 amORD - ABE
1 stop4h 49mAmerican 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.
Tue 8/266:00 amABE - ORD
1 stop7h 16mDelta
Wed 9/33:30 pmORD - ABE
1 stop6h 09mDelta
Deal found 6/11$197
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.
Thu 7/318:17 pmABE - ORD
1 stop26h 13mMultiple Airlines
Thu 8/711:11 amORD - ABE
1 stop11h 03mMultiple Airlines
Deal found 6/11$212
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/286:30 amABE - ORD
Nonstop2h 23mUnited Airlines
Tue 7/16:35 pmORD - ABE
Nonstop2h 20mUnited Airlines
Deal found 6/10$259
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:00 amABE - MDW
1 stop6h 58mDelta
Sat 7/266:00 amMDW - ABE
1 stop5h 15mDelta
Deal found 6/10$274
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.
Sat 7/192:22 pmABE - MDW
1 stop21h 25mAllegiant Air
Mon 7/212:54 pmMDW - ABE
2 stops21h 47mAllegiant Air
Deal found 6/11$330

Cheapflights Fare Finder

Customize your flight search to find flights from Allentown to Chicago 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 Allentown to Chicago that are best for you.

Fly from

Allentown

Fly to

Chicago

Route

Depart

Return

Price

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 8/16

8:07 pm-11:48 pm

1 stop4h 41m

Chicago O'Hare Intl

Tue 8/19

8:37 am-2:26 pm

1 stop4h 49m

$159

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Tue 8/26

6:00 am-12:16 pm

1 stop7h 16m

Chicago O'Hare Intl

Wed 9/3

3:30 pm-10:39 pm

1 stop6h 09m

$197

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 7/31

8:17 pm-9:30 pm

1 stop26h 13m

Chicago O'Hare Intl

Thu 8/7

11:11 am-11:14 pm

1 stop11h 03m

$212

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 6/28

6:30 am-7:53 am

Nonstop2h 23m

Chicago O'Hare Intl

Tue 7/1

6:35 pm-9:55 pm

Nonstop2h 20m

$259

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Tue 7/22

6:00 am-11:58 am

1 stop6h 58m

Chicago Midway

Sat 7/26

6:00 am-12:15 pm

1 stop5h 15m

$274

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Sat 7/19

2:22 pm-10:47 am

1 stop21h 25m

Chicago Midway

Mon 7/21

2:54 pm-1:41 pm

2 stops21h 47m

$330

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 8/21

9:15 pm-4:48 pm

1 stop20h 33m

$92

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Sat 9/27

5:40 pm-11:53 pm

1 stop7h 13m

$99

AllentownChicago

ABE - MDW

ABEMDW

Allentown-Bethlehem

Tue 9/23

5:40 pm-9:44 pm

1 stop5h 04m

$99

AllentownChicago

ABE - ORD

ABEORD

Allentown-Bethlehem

Thu 8/21

8:07 pm-11:48 pm

1 stop4h 41m

$100

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 Allentown to Chicago

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

How far ahead should I book a flight from Allentown to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Allentown to Chicago. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Allentown to Chicago, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Allentown to Chicago (average of $245). Flying from Allentown to Chicago in March is currently the most expensive (average of $321). 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 ABE to CHI?

Find hourly flight availability from Allentown to Chicago. 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.

When flying from Allentown to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 52% versus a flight in the morning.

Weekly flight availability from Allentown to Chicago

Explore weekly flight availability from Allentown to Chicago. 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 ABE to CHI are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated June 12, 2025.
To help decide which airline to fly from Allentown to Chicago, see what other customers have to say about Delta, United Airlines and Allegiant Air. 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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 Allentown to Chicago. 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 from for flights from Allentown to Chicago?

    Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly out of when you book flights from Allentown to Chicago. 3 airlines have flights from Allentown-Bethlehem to Chicago on a regular basis. Booking flights from Allentown-Bethlehem to Chicago should not be difficult; the airport handles an average of 4 outbound flights to Chicago per day.

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

    American Airlines, at $159, was found to be the cheapest airline from Allentown to Chicago.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that American Airlines is 58% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $99. American Airlines flights start at $110 while deals on Allegiant Air start at $152 one-way.

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

    Consider GoJet (69%), Air New Zealand (69%) or United Airlines (46%) when booking your flight. These represent the most reliable airlines when flying from Allentown to Chicago.

  • What are the cheapest flights from Allentown to Chicago?

    Looking for the cheapest flight from Allentown to Chicago? While on average our users pay $660, our data indicates the cheapest price to be $192. The most popular route (Allentown-Bethlehem - Chicago O'Hare Intl), is priced around $212.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Allentown to Chicago (average of $245). Flying from Allentown to Chicago in March is currently the most expensive (average of $321). 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

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
Merrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

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Alternative routes for Allentown to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Allentown to Chicago

Discover the top 3 airlines that operate flights from Allentown to Chicago. 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
United AirlinesCheapest$193Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$196Average$281FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$463FlexibilityNo cancel feeOn-timeN/A

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