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$140+ Cheap flights from Kalamazoo (AZO) to Illinois

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
AZO — ORD
Aug 5 — Aug 121
Di 8/5
Di 8/12
1 adult, Economy
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Cheap flight deals from Kalamazoo to Illinois

Keep the following information in mind while searching for Kalamazoo to Illinois flight deals. Data was last updated Juli 31, 2025.

Round-trip from

$215
(Delta)

One-way from

$140
(Delta)

Good round-trip deal

$357 or less

Good one-way deal

$194 or less
From Kalamazoo Intl to Illinois
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One-way flight from Kalamazoo Intl to Illinois
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Price to beat on a round-trip flight from Kalamazoo Intl to Illinois.
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Price to beat on a one-way flight from Kalamazoo Intl to Illinois.
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Find flight deals from Kalamazoo to Illinois

Cheapest flights from Kalamazoo to Illinois
Explore the most affordable flight options available from Kalamazoo to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Juli 31, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 8/302:00 pmAZO - STL
1 stop3h 36mDelta
So 8/316:40 amSTL - AZO
1 stop3h 29mDelta
Deal found 7/29$215
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 8/296:00 amAZO - STL
1 stop3h 20mAmerican Airlines
Mo 9/16:00 amSTL - AZO
1 stop3h 02mAmerican Airlines
Deal found 7/29$296
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.
Sa 9/205:44 pmAZO - ORD
Nonstop1h 12mAmerican Airlines
Sa 9/278:10 amORD - AZO
Nonstop1h 00mAmerican Airlines
Deal found 7/31$323
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.
Sa 9/202:00 pmAZO - MDW
1 stop5h 35mDelta
Sa 9/279:35 amMDW - AZO
1 stop2h 41mDelta
Deal found 7/31$342
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.
Sa 9/205:30 amAZO - ORD
1 stop4h 40mDelta
Sa 9/277:10 amORD - AZO
1 stop5h 06mDelta
Deal found 7/31$342

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalamazoo to Illinois 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 Juli 31, 2025.
Use the filters below to find and compare flights from Kalamazoo to Illinois that are best for you.

Fly from

Kalamazoo

Fly to

Illinois

Route

Depart

Return

Price

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Sa 8/30

2:00 pm-4:36 pm

1 stop3h 36m

Lambert-St Louis

So 8/31

6:40 am-11:09 am

1 stop3h 29m

$215

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Fr 8/29

6:00 am-8:20 am

1 stop3h 20m

Lambert-St Louis

Mo 9/1

6:00 am-10:02 am

1 stop3h 02m

$296

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Sa 9/20

5:44 pm-5:56 pm

Nonstop1h 12m

Chicago O'Hare Intl

Sa 9/27

8:10 am-10:10 am

Nonstop1h 00m

$323

KalamazooChicago

AZO - MDW

AZOMDW

Kalamazoo Intl

Sa 9/20

2:00 pm-6:35 pm

1 stop5h 35m

Chicago Midway

Sa 9/27

9:35 am-1:16 pm

1 stop2h 41m

$342

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Sa 9/20

5:30 am-9:10 am

1 stop4h 40m

Chicago O'Hare Intl

Sa 9/27

7:10 am-1:16 pm

1 stop5h 06m

$342

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Fr 9/26

11:50 am-9:10 am

1 stop22h 20m

$140

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Sa 8/9

10:53 am-3:49 pm

1 stop5h 56m

$315

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Di 10/28

9:00 am-9:10 am

Nonstop1h 10m

$345

KalamazooChicago

AZO - MDW

AZOMDW

Kalamazoo Intl

Do 10/2

5:30 am-8:40 am

1 stop4h 10m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Kalamazoo to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Kalamazoo 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 Kalamazoo to Illinois

What is the cheapest month to book a flight from Kalamazoo to Illinois?

Currently, August is the cheapest month in which you can book a flight from Kalamazoo to Illinois (average of $245). Flying from Kalamazoo to Illinois 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 AZO to IL?

Find hourly flight availability from Kalamazoo to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Juli 31, 2025.

When flying from Kalamazoo to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Kalamazoo to Illinois

Explore weekly flight availability from Kalamazoo to Illinois. 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 Juli 31, 2025.

The most flights from AZO to USIL are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated Juli 31, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Kalamazoo to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,980 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 Kalamazoo to Illinois. 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 Kalamazoo to Illinois?

    Kalamazoo Intl (AZO), located 4.3 mi from the city center, is the airport you fly out of when you book flights from Kalamazoo to Illinois.

  • What are the most popular routes from Kalamazoo to Illinois?

    The most popular route from Kalamazoo to Illinois is Kalamazoo Intl - Chicago O'Hare Intl. You may also consider Kalamazoo Intl - Chicago Midway or Kalamazoo Intl - Lambert-St Louis.

  • What are the most reliable airlines from Kalamazoo to Illinois?

    Consider Qatar Airways (92%), Japan Airlines (83%) or Piedmont Airlines (78%) when booking your flight. These represent the most reliable airlines when flying from Kalamazoo to Illinois.

  • What are the cheapest flights from Kalamazoo to Illinois?

    On average you can expect to pay $1,517 for a flight from Kalamazoo to Illinois. The cheapest flight overall is $133 while the most popular route, (Kalamazoo Intl - Chicago O'Hare Intl) is currently priced at $342.

  • Can I find deals for flights from Kalamazoo to Illinois that include hotel bookings?

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

  • How can I find direct flights from Kalamazoo to Illinois?

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

  • Can I find deals for business class flights from Kalamazoo to Illinois?

    Yes. Cheapflights offers flight deals from Kalamazoo to Illinois 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 Kalamazoo to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Kalamazoo to Illinois (average of $245). Flying from Kalamazoo to Illinois 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

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Alternative routes for Kalamazoo to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Kalamazoo to Illinois

Discover the top airline that operate flights from Kalamazoo to Illinois. 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 Juli 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$283Average$386FlexibilityNo cancel feeOn-time71%

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