Illinois

$190+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
AZO — ORD
Mar 5 — Mar 121
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Cheap 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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 5/16:40 pm
AZO
-
ORD
Nonstop1h 14m
United Airlines
Sat 5/211:43 am
ORD
-
AZO
Nonstop1h 03m
United Airlines
Deal found 2/2$229
This Delta deal was found by Cheapflights users on 2/1. 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 3/316:17 pm
AZO
-
STL
1 stop3h 25m
Delta
Wed 4/810:50 am
STL
-
AZO
1 stop5h 47m
Delta
Deal found 2/1$238
This Delta deal was found by Cheapflights users on 2/1. 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 5/205:30 am
AZO
-
STL
2 stops5h 57m
Delta
Sun 5/246:40 am
STL
-
AZO
1 stop4h 10m
Delta
Deal found 2/1$244
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 6/32:30 pm
AZO
-
ORD
Nonstop1h 12m
United Airlines
Thu 6/119:27 pm
ORD
-
AZO
Nonstop1h 03m
United Airlines
Deal found 2/2$259
This United Airlines deal was found by Cheapflights users on 2/1. 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 5/236:27 pm
AZO
-
ORD
Nonstop1h 14m
United Airlines
Thu 5/283:35 pm
ORD
-
AZO
Nonstop1h 06m
United Airlines
Deal found 2/1$273
This American Airlines deal was found by Cheapflights users on 2/1. 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 3/3112:17 pm
AZO
-
STL
2 stops8h 12m
American Airlines
Wed 4/87:05 am
STL
-
AZO
1 stop3h 39m
American Airlines
Deal found 2/1$283
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 4/3010:49 am
AZO
-
ORD
Nonstop1h 14m
United Airlines
Sun 5/33:45 pm
ORD
-
AZO
Nonstop1h 06m
United Airlines
Deal found 2/2$284
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/64:14 pm
AZO
-
STL
1 stop4h 59m
American Airlines
Sat 2/711:05 am
STL
-
AZO
1 stop3h 17m
American Airlines
Deal found 2/2$308
This Delta deal was found by Cheapflights users on 2/2. 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 2/65:19 am
AZO
-
STL
2 stops6h 24m
Delta
Sat 2/76:35 am
STL
-
AZO
1 stop4h 29m
Delta
Deal found 2/2$314
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 5/112:30 pm
AZO
-
ORD
Nonstop1h 12m
United Airlines
Mon 5/189:15 pm
ORD
-
AZO
Nonstop1h 03m
United Airlines
Deal found 2/1$317
This Delta deal was found by Cheapflights users on 2/3. 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 4/295:30 am
AZO
-
MDW
1 stop8h 13m
Delta
Sat 5/26:38 pm
MDW
-
AZO
1 stop2h 57m
Delta
Deal found 2/3$369
This Delta deal was found by Cheapflights users on 2/2. 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 4/295:30 am
AZO
-
ORD
1 stop11h 48m
Delta
Sat 5/27:00 am
ORD
-
AZO
1 stop3h 50m
Delta
Deal found 2/2$369

Find flight deals from Kalamazoo to Illinois

Keep the following information in mind while searching for Kalamazoo to Illinois flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(United Airlines)

One-way from

$190
(Delta)

Good round-trip deal

$387 or less

Good one-way deal

$219 or less
Provider with most accurate pricing for Kalamazoo Intl-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Kalamazoo Intl-Chicago (CHI) flights.
From Kalamazoo Intl to Illinois
One-way flight from Kalamazoo Intl to Illinois
Price to beat on a round-trip flight from Kalamazoo Intl to Illinois.
Price to beat on a one-way flight from Kalamazoo Intl to Illinois.

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 February 3, 2026.
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

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Fri 5/1

6:40 pm-6:54 pm

Nonstop1h 14m

Chicago O'Hare Intl

Sat 5/2

11:43 am-1:46 pm

Nonstop1h 03m

$229

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Tue 3/31

7:10 pm-11:44 pm

1 stop5h 34m

Lambert-St Louis

Wed 4/8

5:46 am-11:44 am

1 stop4h 58m

$238

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Tue 3/31

6:17 pm-8:42 pm

1 stop3h 25m

Lambert-St Louis

Wed 4/8

10:50 am-5:37 pm

1 stop5h 47m

$238

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Wed 5/20

6:16 pm-9:14 pm

1 stop3h 58m

Lambert-St Louis

Sun 5/24

6:40 am-11:50 am

1 stop4h 10m

$238

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Wed 6/3

2:30 pm-2:42 pm

Nonstop1h 12m

Chicago O'Hare Intl

Thu 6/11

9:27 pm-11:30 pm

Nonstop1h 03m

$259

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Thu 4/30

10:49 am-11:03 am

Nonstop1h 14m

Chicago O'Hare Intl

Sun 5/3

3:45 pm-5:51 pm

Nonstop1h 06m

$284

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Mon 5/11

2:30 pm-2:42 pm

Nonstop1h 12m

Chicago O'Hare Intl

Mon 5/18

9:15 pm-11:18 pm

Nonstop1h 03m

$317

KalamazooChicago

AZO - MDW

AZOMDW

Kalamazoo Intl

Wed 4/29

12:30 pm-5:58 pm

1 stop6h 28m

Chicago Midway

Sat 5/2

6:38 pm-10:35 pm

1 stop2h 57m

$369

KalamazooChicago

AZO - ORD

AZOORD

Kalamazoo Intl

Wed 4/29

5:30 am-4:18 pm

1 stop11h 48m

Chicago O'Hare Intl

Sat 5/2

7:00 am-11:50 am

1 stop3h 50m

$369

KalamazooChicago

AZO - MDW

AZOMDW

Kalamazoo Intl

Thu 4/30

12:30 pm-5:58 pm

1 stop6h 28m

Chicago Midway

Sat 5/2

6:38 pm-10:35 pm

1 stop2h 57m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 33 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, October is the cheapest month in which you can book a flight from Kalamazoo to Illinois (average of $83). 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 February 3, 2026.

It’s typically best to fly out from Kalamazoo to Illinois at noon. Doing so could potentially save you 33% on the flight price compared to flying in the evening, 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 January 31, 2026.

Travelers seeking maximum savings on their Kalamazoo to Illinois flight should consider departing on Wednesday at noon 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.

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 February 3, 2026.

The most flights from AZO to USIL are scheduled on a Tuesday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 February 3, 2026.
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.

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

Food

6.4

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.

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

Food

6.4

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 United Airlines, American Airlines, and Delta fly from Kalamazoo to Illinois in about 1h 14m. The time it takes to get you to your destination can typically vary by up to 4h 20m. The distance from Kalamazoo to Illinois is about 122 mi. This flight may include one or multiple stops.

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

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

    Consider American Airlines (68%), Envoy Air (68%) or Japan Airlines (66%) 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 $383 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 $259.

  • 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, October is the cheapest month in which you can book a flight from Kalamazoo to Illinois (average of $83). 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.

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.

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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$318Average$386FlexibilityNo cancel feeOn-time71%

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