HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$145+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
AZO — ORD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kalamazoo to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 septiembre 11, 2025.

Round-trip from

$316
(American Airlines)

One-way from

$145
(Delta)

Good round-trip deal

$348 or less

Good one-way deal

$201 or less
From Kalamazoo Intl to Illinois
Search Deals
One-way flight from Kalamazoo Intl to Illinois
Search Deals
Price to beat on a round-trip flight from Kalamazoo Intl to Illinois.
Search Deals
Price to beat on a one-way flight from Kalamazoo Intl to Illinois.
Search Deals

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 septiembre 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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.
jue. 10/165:30 amAZO - STL
1 stop5h 07mDelta
lun. 10/206:14 pmSTL - AZO
1 stop4h 28mDelta
Deal found 9/10$316
This American Airlines deal was found by Cheapflights users on 9/10. 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.
mié. 10/1510:52 amAZO - ORD
Nonstop1h 10mAmerican Airlines
mié. 10/2210:20 pmORD - AZO
Nonstop1h 05mAmerican Airlines
Deal found 9/10$323
This American Airlines deal was found by Cheapflights users on 9/10. 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.
sáb. 10/256:00 amAZO - ORD
Nonstop1h 06mAmerican Airlines
sáb. 11/18:24 amORD - AZO
Nonstop0h 58mAmerican Airlines
Deal found 9/10$324
This Delta deal was found by Cheapflights users on 9/10. 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.
mié. 10/155:30 amAZO - MDW
1 stop4h 10mDelta
mié. 10/221:08 pmMDW - AZO
1 stop3h 08mDelta
Deal found 9/10$342
This Delta deal was found by Cheapflights users on 9/10. 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.
mié. 10/155:30 amAZO - ORD
1 stop3h 20mDelta
mié. 10/227:10 amORD - AZO
1 stop2h 52mDelta
Deal found 9/10$342
This American Airlines deal was found by Cheapflights users on 9/10. 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.
vie. 12/510:57 amAZO - ORD
Nonstop1h 12mAmerican Airlines
lun. 12/88:20 amORD - AZO
Nonstop1h 00mAmerican Airlines
Deal found 9/10$373
This Delta deal was found by Cheapflights users on 9/11. 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.
vie. 12/55:25 amAZO - MDW
1 stop4h 29mDelta
lun. 12/86:40 pmMDW - AZO
1 stop4h 15mDelta
Deal found 9/11$392
This Delta deal was found by Cheapflights users on 9/11. 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.
vie. 12/56:09 pmAZO - ORD
1 stop3h 22mDelta
lun. 12/86:45 amORD - AZO
1 stop3h 21mDelta
Deal found 9/11$392
This American Airlines deal was found by Cheapflights users on 9/10. 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.
sáb. 9/2010:40 amAZO - ORD
Nonstop1h 13mAmerican Airlines
sáb. 9/278:10 amORD - AZO
Nonstop1h 00mAmerican Airlines
Deal found 9/10$419
This Delta deal was found by Cheapflights users on 9/11. 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.
jue. 10/1612:00 pmAZO - STL
1 stop6h 29mDelta
dom. 10/196:40 amSTL - AZO
1 stop3h 22mDelta
Deal found 9/11$437
This Delta deal was found by Cheapflights users on 9/11. 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.
sáb. 9/202:00 pmAZO - MDW
1 stop5h 35mDelta
sáb. 9/276:15 pmMDW - AZO
1 stop3h 53mDelta
Deal found 9/11$438
This Delta deal was found by Cheapflights users on 9/11. 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.
sáb. 9/202:00 pmAZO - ORD
1 stop3h 20mDelta
sáb. 9/277:10 amORD - AZO
1 stop5h 06mDelta
Deal found 9/11$438

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 septiembre 11, 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

jue. 10/16

5:18 pm-8:26 pm

1 stop4h 08m

Lambert-St Louis

dom. 10/19

6:00 am-10:22 am

1 stop3h 22m

$316

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

jue. 10/16

5:30 am-9:37 am

1 stop5h 07m

Lambert-St Louis

lun. 10/20

6:14 pm-11:42 pm

1 stop4h 28m

$316

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

sáb. 10/25

6:00 am-6:06 am

Nonstop1h 06m

Chicago O'Hare Intl

sáb. 11/1

8:24 am-10:22 am

Nonstop0h 58m

$324

KalamazooChicago

AZO - MDW

AZOMDW

Kalamazoo Intl

mié. 10/15

5:30 am-8:40 am

1 stop4h 10m

Chicago Midway

mié. 10/22

1:08 pm-5:16 pm

1 stop3h 08m

$342

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

sáb. 10/25

10:45 am-12:40 pm

1 stop2h 55m

Chicago O'Hare Intl

sáb. 11/1

4:56 pm-8:48 pm

1 stop2h 52m

$342

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

mié. 10/15

5:30 am-7:50 am

1 stop3h 20m

Chicago O'Hare Intl

mié. 10/22

7:10 am-11:02 am

1 stop2h 52m

$342

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

mar. 3/3

6:05 pm-8:39 pm

1 stop3h 34m

Lambert-St Louis

mié. 3/4

6:45 am-11:07 am

1 stop3h 22m

$368

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

vie. 12/5

10:57 am-11:09 am

Nonstop1h 12m

Chicago O'Hare Intl

lun. 12/8

8:20 am-10:20 am

Nonstop1h 00m

$373

KalamazooChicago

AZO - MDW

AZOMDW

Kalamazoo Intl

vie. 12/5

5:25 am-8:54 am

1 stop4h 29m

Chicago Midway

lun. 12/8

6:40 pm-11:55 pm

1 stop4h 15m

$392

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

vie. 12/5

5:25 am-9:55 am

1 stop5h 30m

Chicago O'Hare Intl

lun. 12/8

5:03 pm-11:55 pm

1 stop5h 52m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 29 results
1
2
3

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 septiembre 11, 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 septiembre 11, 2025.

The most flights from AZO to USIL are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 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 septiembre 11, 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
10,000 reviews

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

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 American Airlines and Delta fly from Kalamazoo to Illinois in about 4h 08m. The time it takes to get you to your destination can typically vary by up to 59m. The distance from Kalamazoo to Illinois is about 349 mi. This flight may include one or multiple stops.

  • 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 Japan Airlines (89%), American Airlines (80%) or Envoy Air (80%) 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 $525 for a flight from Kalamazoo to Illinois. The cheapest flight overall is $156 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kalamazoo to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Newark flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to Las Vegas flights
O'Hare Intl to Sky Harbor Intl flights
O'Hare Intl to Denver flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Orlando flights
O'Hare Intl to Seattle flights
O'Hare Intl to Boston flights
Detroit to Dallas/Fort Worth flights
Midway to Las Vegas flights
O'Hare Intl to San Francisco flights
O'Hare Intl to Atlanta flights
Midway to Dallas/Fort Worth flights
O'Hare Intl to Miami flights
O'Hare Intl to Fort Lauderdale flights
Detroit to Las Vegas flights
Detroit to Orlando flights
Detroit to Los Angeles flights
O'Hare Intl to Baltimore flights
Detroit to Fort Lauderdale flights
O'Hare Intl to Dulles Intl flights
Midway to LaGuardia flights
O'Hare Intl to Ontario flights
O'Hare Intl to Reagan-National flights
Detroit to John F Kennedy Intl flights
Midway to Atlanta flights
Midway to John F Kennedy Intl flights
O'Hare Intl to Philadelphia flights
Detroit to Miami flights
Detroit to LaGuardia flights
O'Hare Intl to San Diego flights
O'Hare Intl to Honolulu flights
O'Hare Intl to Santa Ana flights
Midway to Sky Harbor Intl flights
Detroit to Newark flights
O'Hare Intl to Tampa flights
O'Hare Intl to Austin flights
O'Hare Intl to Nashville flights
Detroit to Denver flights
O'Hare Intl to Salt Lake City flights
O'Hare Intl to New Orleans flights
Detroit to Sky Harbor Intl flights
O'Hare Intl to Fort Myers flights
O'Hare Intl to Charlotte flights
O'Hare Intl to Hobby flights
O'Hare Intl to Raleigh flights
O'Hare Intl to Charleston flights

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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$318Average$386FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.