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$138+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
AZO — ORD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 12/411:46 amAZO - STL
1 stop6h 24mDelta
Sun 12/76:39 amSTL - AZO
1 stop3h 27mDelta
Deal found 10/29$316
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:25 amAZO - ORD
1 stop5h 35mDelta
Mon 12/227:00 amORD - AZO
1 stop5h 26mDelta
Deal found 10/30$392
This American Airlines deal was found by Cheapflights users on 10/28. 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 10/3110:52 amAZO - ORD
Nonstop1h 10mAmerican Airlines
Mon 11/109:40 amORD - AZO
Nonstop1h 05mAmerican Airlines
Deal found 10/28$438
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:10 amAZO - ORD
Nonstop1h 09mAmerican Airlines
Sat 11/159:16 pmORD - AZO
Nonstop0h 59mAmerican Airlines
Deal found 10/30$449
This Delta deal was found by Cheapflights users on 10/28. 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.
Fri 10/316:45 amAZO - ORD
1 stop3h 58mDelta
Mon 11/106:45 amORD - AZO
1 stop3h 21mDelta
Deal found 10/28$457
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/214:14 pmAZO - ORD
Nonstop1h 15mAmerican Airlines
Fri 11/281:43 pmORD - AZO
Nonstop1h 00mAmerican Airlines
Deal found 10/28$458
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 11/125:25 amAZO - MDW
1 stop4h 29mDelta
Wed 11/191:15 pmMDW - AZO
1 stop3h 08mDelta
Deal found 10/29$468
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 11/126:04 pmAZO - ORD
1 stop3h 25mDelta
Wed 11/1910:46 amORD - AZO
1 stop5h 37mDelta
Deal found 10/29$468
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/84:51 pmAZO - ORD
Nonstop1h 20mAmerican Airlines
Sun 11/98:15 amORD - AZO
Nonstop0h 58mAmerican Airlines
Deal found 10/29$476
This Delta deal was found by Cheapflights users on 10/28. 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.
Fri 11/215:25 amAZO - ORD
1 stop3h 41mDelta
Fri 11/286:45 amORD - AZO
1 stop3h 21mDelta
Deal found 10/28$477
This Delta deal was found by Cheapflights users on 10/28. 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.
Wed 11/125:25 amAZO - ORD
1 stop3h 41mDelta
Sun 11/166:45 amORD - AZO
1 stop3h 21mDelta
Deal found 10/28$502
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/76:00 amAZO - ORD
Nonstop1h 08mAmerican Airlines
Mon 11/109:40 amORD - AZO
Nonstop1h 05mAmerican Airlines
Deal found 10/29$503

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$316
(Delta)

One-way from

$138
(Delta)

Good round-trip deal

$370 or less

Good one-way deal

$234 or less
Provider with most accurate pricing for Kalamazoo Intl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalamazoo Intl-Chicago (CHI) flights.
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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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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 October 30, 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

Thu 12/4

11:46 am-5:10 pm

1 stop6h 24m

Lambert-St Louis

Sun 12/7

6:39 am-11:06 am

1 stop3h 27m

$316

KalamazooChicago

AZO - MDW

AZOMDW

Kalamazoo Intl

Fri 4/17

5:30 am-8:42 am

1 stop4h 12m

Chicago Midway

Sat 4/18

5:59 pm-11:43 pm

1 stop4h 44m

$367

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Sat 4/18

5:30 am-9:24 am

1 stop4h 54m

Chicago O'Hare Intl

Sun 4/19

7:00 am-11:00 am

1 stop3h 00m

$367

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Tue 3/3

5:20 am-9:44 am

1 stop5h 24m

Lambert-St Louis

Wed 3/4

6:45 am-12:02 pm

1 stop4h 17m

$386

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Mon 12/15

5:25 am-10:00 am

1 stop5h 35m

Chicago O'Hare Intl

Mon 12/22

7:00 am-1:26 pm

1 stop5h 26m

$392

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Sat 4/18

7:33 pm-7:50 pm

Nonstop1h 17m

Chicago O'Hare Intl

Sun 4/19

10:00 pm-11:56 pm

Nonstop0h 56m

$428

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Wed 11/12

7:10 am-7:19 am

Nonstop1h 09m

Chicago O'Hare Intl

Wed 11/19

1:40 pm-3:40 pm

Nonstop1h 00m

$449

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Tue 11/11

7:10 am-7:19 am

Nonstop1h 09m

Chicago O'Hare Intl

Sat 11/15

9:16 pm-11:15 pm

Nonstop0h 59m

$449

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Tue 3/3

7:00 am-1:16 pm

2 stops7h 16m

Lambert-St Louis

Wed 3/4

2:06 pm-10:57 pm

2 stops7h 51m

$457

KalamazooChicago

AZO - MDW

AZOMDW

Kalamazoo Intl

Wed 11/12

5:25 am-8:54 am

1 stop4h 29m

Chicago Midway

Wed 11/19

1:15 pm-5:23 pm

1 stop3h 08m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 23 results
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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, January is the cheapest month in which you can book a flight from Kalamazoo to Illinois (average of $78). Flying from Kalamazoo to Illinois in July is currently the most expensive (average of $149). 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 October 30, 2025.

It’s typically best to fly out from Kalamazoo to Illinois in the morning. Doing so could potentially save you 31% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Kalamazoo to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Kalamazoo to Illinois. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Kalamazoo to Illinois flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 2025.
Peruse reviews from past customers who have flown with 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.
American Airlines
7.2
Good
11,034 reviews

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
American Airlines
7.2
Good
11,034 reviews
American Airlines
7.2
Good
11,034 reviews

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

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.

  • How long is the flight from Kalamazoo to Illinois?

    Airlines like Delta fly from Kalamazoo to Illinois in about 6h 24m. The time it takes to get you to your destination can typically vary by up to . The distance from Kalamazoo to Illinois is about 349 mi.

  • 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 - Lambert-St Louis or Kalamazoo Intl - Chicago Midway.

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

    Consider SkyWest Airlines (100%), Japan Airlines (92%) or American Airlines (88%) 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 $543 for a flight from Kalamazoo to Illinois. The cheapest flight overall is $179 while the most popular route, (Kalamazoo Intl - Chicago O'Hare Intl) is currently priced at $367.

  • 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, January is the cheapest month in which you can book a flight from Kalamazoo to Illinois (average of $78). Flying from Kalamazoo to Illinois in July is currently the most expensive (average of $149). 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.

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$318Average$386FlexibilityNo cancel feeOn-time71%

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