What airlines fly to Illinois?

United Airlines, American Airlines and Denver Air Connection are the top three most popular airlines that fly to Illinois from Kalamazoo according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Kalamazoo Intl to Illinois?

Delta is the most popular carrier operating from Kalamazoo Intl to Illinois

When did momondo last update prices for flights from Kalamazoo Intl Airport to Illinois?

Prices for flights from Kalamazoo Intl Airport to Illinois were last updated today.

How many operators does momondo search for flights from Kalamazoo Intl Airport to Illinois?

There are 2 operators available for flights from Kalamazoo Intl Airport to Illinois as of September 2026.

How old do you have to be to fly from Kalamazoo Intl Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalamazoo Intl Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$208 Cheap Flights from Kalamazoo to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kalamazoo to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:49 am - 6:10 amAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 21mnonstop

3:00 pm - 5:11 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 11mnonstop

$279American Airlines

Tue, Dec 1 - Tue, Dec 8

6:00 am - 6:14 amAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 14mnonstop

10:40 pm - 12:46 amORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 06mnonstop

$279American Airlines

Fri, Oct 16 - Sun, Oct 18

6:00 am - 6:14 amAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 14mnonstop

10:40 pm - 12:46 amORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 06mnonstop

$279American Airlines

Thu, Oct 8 - Mon, Oct 12

5:39 pm - 6:07 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 28mnonstop

10:35 pm - 12:42 amORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 07mnonstop

$279American Airlines

Fri, Oct 9 - Fri, Nov 6

5:39 pm - 6:07 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 28mnonstop

2:56 pm - 5:09 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 13mnonstop

$279American Airlines

Wed, Oct 14 - Wed, Oct 21

5:39 pm - 6:07 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 28mnonstop

10:40 pm - 12:46 amORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 06mnonstop

$279American Airlines

Thu, Oct 8 - Sun, Oct 11

5:39 pm - 6:07 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 28mnonstop

10:40 pm - 12:46 amORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 06mnonstop

$279American Airlines

Sun, Oct 18 - Sun, Oct 25

5:17 pm - 6:10 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 53mnonstop

2:56 pm - 5:09 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 13mnonstop

$279American Airlines

Fri, Feb 5 - Sun, Feb 21

2:56 pm - 8:30 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

6h 34m1 stop Detroit Metropolitan Wayne County

7:00 am - 2:15 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

6h 15m1 stop Detroit Metropolitan Wayne County

$298Delta

Thu, Oct 8 - Thu, Oct 15

12:00 pm - 4:37 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

5h 37m1 stop Detroit Metropolitan Wayne County

7:35 pm - 11:46 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

3h 11m1 stop Detroit Metropolitan Wayne County

$298Delta

Fri, Feb 5 - Sun, Feb 21

Cheap last minute flights

Enter your travel dates to find the best prices.

4:06 pm - 4:30 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 24mnonstop

10:40 pm - 12:46 amORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 06mnonstop

$309American Airlines

Wed, Sep 23 - Thu, Oct 8

4:06 pm - 4:30 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 24mnonstop

10:30 pm - 12:37 amORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 07mnonstop

$324American Airlines

Mon, Sep 21 - Mon, Sep 28

6:13 pm - 8:30 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

3h 17m1 stop Detroit Metropolitan Wayne County

7:00 am - 2:15 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

6h 15m1 stop Detroit Metropolitan Wayne County

$328Delta

Wed, Sep 23 - Thu, Oct 8

2:55 pm - 6:33 pmAZO Kalamazoo Intl-MDW Chicago Midway

4h 38m1 stop Detroit Metropolitan Wayne County

9:29 am - 2:15 pmMDW Chicago Midway-AZO Kalamazoo Intl

3h 46m1 stop Detroit Metropolitan Wayne County

$328Delta

Wed, Sep 23 - Thu, Oct 8

4:06 pm - 4:30 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 24mnonstop

1:15 pm - 3:25 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 10mnonstop

$339American Airlines

Fri, Sep 25 - Sun, Sep 27

4:06 pm - 4:30 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 24mnonstop

10:30 pm - 12:37 amORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 07mnonstop

$339American Airlines

Fri, Sep 25 - Sun, Sep 27

11:47 am - 4:13 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

5h 26m1 stop Detroit Metropolitan Wayne County

5:10 pm - 11:51 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

5h 41m1 stop Detroit Metropolitan Wayne County

$343Delta

Mon, Sep 21 - Mon, Sep 28

6:13 pm - 8:30 pmAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

3h 17m1 stop Detroit Metropolitan Wayne County

8:55 am - 2:15 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

4h 20m1 stop Detroit Metropolitan Wayne County

$358Delta

Fri, Sep 25 - Sun, Sep 27

5:30 am - 9:07 amAZO Kalamazoo Intl-MDW Chicago Midway

4h 37m1 stop Detroit Metropolitan Wayne County

1:19 pm - 5:33 pmMDW Chicago Midway-AZO Kalamazoo Intl

3h 14m1 stop Detroit Metropolitan Wayne County

$836Delta

Thu, Sep 24 - Thu, Sep 24

6:00 am - 6:11 amAZO Kalamazoo Intl-ORD Chicago O'Hare Intl

1h 11mnonstop

1:15 pm - 3:25 pmORD Chicago O'Hare Intl-AZO Kalamazoo Intl

1h 10mnonstop

$850American Airlines

Sun, Sep 20 - Thu, Sep 24

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Delta flights from Kalamazoo to Illinois

Our best Delta deals on Kalamazoo to Illinois flight tickets

Delta

Oct 8

AZO2:56 pmKalamazoo Intl

6h 34m

1 stop

ORD8:30 pmChicago O'Hare Intl

Oct 15

ORD7:00 amChicago O'Hare Intl

6h 15m

1 stop

AZO2:15 pmKalamazoo Intl

$298

Delta

Oct 8

AZO5:30 amKalamazoo Intl

3h 11m

1 stop

ORD7:41 amChicago O'Hare Intl

Oct 11

ORD8:39 amChicago O'Hare Intl

4h 36m

1 stop

AZO2:15 pmKalamazoo Intl

$313

Delta

Oct 10

AZO5:30 amKalamazoo Intl

5h 19m

1 stop

STL9:49 amLambert-St Louis

Oct 13

STL6:00 amLambert-St Louis

7h 15m

2 stops

AZO2:15 pmKalamazoo Intl

$314

American Airlines flights from Kalamazoo to Illinois

Our best American Airlines deals on Kalamazoo to Illinois flight tickets

American Airlines

Oct 8

AZO5:39 pmKalamazoo Intl

1h 28m

ORD6:07 pmChicago O'Hare Intl

Oct 11

ORD10:40 pmChicago O'Hare Intl

1h 06m

AZO12:46 amKalamazoo Intl

$279

American Airlines

Oct 10

AZO6:00 amKalamazoo Intl

5h 50m

1 stop

STL10:50 amLambert-St Louis

Oct 13

STL11:31 amLambert-St Louis

4h 38m

1 stop

AZO5:09 pmKalamazoo Intl

$308

American Airlines

Oct 2

AZO6:00 amKalamazoo Intl

1h 11m

ORD6:11 amChicago O'Hare Intl

Oct 6

ORD10:40 pmChicago O'Hare Intl

1h 06m

AZO12:46 amKalamazoo Intl

$309

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Tue 12/1

5:49 am-6:10 am

Nonstop1h 21m

Chicago O'Hare Intl

Tue 12/8

3:00 pm-5:11 pm

Nonstop1h 11m

$279

Quickest round-trip

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Fri 10/16

6:00 am-6:14 am

Nonstop1h 14m

Chicago O'Hare Intl

Sun 10/18

10:40 pm-12:46 am

Nonstop1h 06m

$279

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Thu 10/8

6:00 am-6:14 am

Nonstop1h 14m

Chicago O'Hare Intl

Mon 10/12

10:40 pm-12:46 am

Nonstop1h 06m

$279

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Fri 10/9

5:39 pm-6:07 pm

Nonstop1h 28m

Chicago O'Hare Intl

Fri 11/6

10:35 pm-12:42 am

Nonstop1h 07m

$279

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Wed 10/14

5:39 pm-6:07 pm

Nonstop1h 28m

Chicago O'Hare Intl

Wed 10/21

2:56 pm-5:09 pm

Nonstop1h 13m

$279

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Thu 10/8

5:39 pm-6:07 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 10/11

10:40 pm-12:46 am

Nonstop1h 06m

$279

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Sun 10/18

5:39 pm-6:07 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 10/25

10:40 pm-12:46 am

Nonstop1h 06m

$279

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Fri 2/5

5:17 pm-6:10 pm

Nonstop1h 53m

Chicago O'Hare Intl

Sun 2/21

2:56 pm-5:09 pm

Nonstop1h 13m

$279

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Thu 10/8

2:56 pm-8:30 pm

1 stop6h 34m

Chicago O'Hare Intl

Thu 10/15

7:00 am-2:15 pm

1 stop6h 15m

$298

KalamazooChicago

AZO Kalamazoo Intl - ORD Chicago O'Hare Intl

AZOORD

Kalamazoo Intl

Fri 2/5

12:00 pm-4:37 pm

1 stop5h 37m

Chicago O'Hare Intl

Sun 2/21

7:35 pm-11:46 pm

1 stop3h 11m

$298

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kalamazoo to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Kalamazoo is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $238.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Kalamazoo to Illinois is on a Friday when prices can be found for as low as $432. Flights from Kalamazoo to Illinois on a Sunday will generally be more expensive and average around $643. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Kalamazoo to Illinois during this time can be as low as $458. Flights at noon are often more expensive with an average ticket price of $815.

What is the cheapest Kalamazoo Intl to Illinois flight route?

Fly from Kalamazoo Intl to Chicago O'Hare Intl for the best Kalamazoo Intl - Illinois flight prices

What cabin class options are available on Kalamazoo to Illinois flights?

There are 4 cabin classes available to choose from on Kalamazoo to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Kalamazoo to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalamazoo to Illinois

Best Price Found	$208
Fastest flight time	3h 11m
Direct flights	Tue, Wed, Thu, Fri and Sat
Airports in Illinois	98 airports

The best one-way flight to Illinois from Kalamazoo in the past 72 hours is $208. The best round-trip flight deal from Kalamazoo to Illinois found on momondo in the last 72 hours is $279.

The fastest flight from Kalamazoo to Illinois takes 3h 11m

Direct flights go from Kalamazoo to Illinois on Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

There are 98 airports in Illinois. From Kalamazoo there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from Kalamazoo to Illinois

When did momondo last update prices for flights from Kalamazoo Intl Airport to Illinois?
Prices for flights from Kalamazoo Intl Airport to Illinois were last updated today.
How many operators does momondo search for flights from Kalamazoo Intl Airport to Illinois?
There are 2 operators available for flights from Kalamazoo Intl Airport to Illinois as of September 2026.
How old do you have to be to fly from Kalamazoo Intl Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalamazoo Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Kalamazoo to Illinois?
Based on momondo bookings for flights between Kalamazoo and Illinois, the leading plane model is Canadair (Bombardier) Regional Jet 700, making up 12.35% of the total bookings. Other popular models include Boeing 737-900 with 9.88%, Airbus A320-100/200 with 8.64%, and Embraer 175 (Enhanced Winglets) with 6.17%.

Best airlines flying from Kalamazoo to Illinois

Compare and see reviews for airlines that fly from Kalamazoo to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $188	Free Cancellation	Rating 7.0 12,087 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Kalamazoo to Illinois?

It is quick and easy to find Kalamazoo to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from Kalamazoo to Illinois with flexible booking policies on momondo?

All flight searches from Kalamazoo to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Kalamazoo to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kalamazoo to Illinois.

I’m not ready to book a flight from Kalamazoo to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Kalamazoo to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.