What airlines fly to Illinois?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Illinois from Kailua-Kona according to our data. Southwest is the first choice among our users, with 31% 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 Kona Intl to Illinois?

Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Kona Intl to Illinois

How many flights depart from Kailua-Kona to Illinois on average per week?

The number of flights available between Kailua-Kona and Illinois is 2 per week as of February 2026. The most frequent departure day is Mon, with 50% of weekly flights leaving on this day.

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

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

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

As of February 2026, there are 2 operators available to choose from for flights from Kona Intl Airport to Illinois.

How old do you have to be to fly from Kona 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 Kona Intl Airport to Illinois.

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

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$213 Cheap Flights from Kailua-Kona to Illinois in 2026

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Find the cheapest flights from Kailua-Kona to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 pm - 4:39 pm

KOA

ORD

14h 49m

1 stop

7:15 am - 7:03 pm

ORD

KOA

16h 48m

1 stop

$428Delta

Thu, Apr 23 - Tue, Apr 28

1:16 pm - 1:13 pm

KOA

ORD

18h 57m

1 stop

8:50 am - 10:16 pm

ORD

KOA

18h 26m

2 stops

$430Multiple Airlines

Thu, Apr 23 - Tue, Apr 28

6:00 am - 11:43 pm

KOA

ORD

12h 43m

2 stops

8:50 am - 6:26 am

ORD

KOA

26h 36m

2 stops

$436Multiple Airlines

Thu, Apr 23 - Tue, Apr 28

1:16 pm - 1:13 pm

KOA

ORD

18h 57m

1 stop

3:52 pm - 2:56 pm

ORD

KOA

28h 04m

1 stop

$467Alaska Airlines

Wed, Apr 29 - Mon, May 4

7:30 pm - 1:08 pm

KOA

STL

12h 38m

1 stop

8:54 am - 7:42 pm

STL

KOA

15h 48m

2 stops

$479United Airlines

Tue, Apr 21 - Sat, Apr 25

12:55 pm - 8:25 am

KOA

STL

14h 30m

2 stops

8:54 am - 7:42 pm

STL

KOA

15h 48m

2 stops

$484United Airlines

Tue, Apr 21 - Sat, Apr 25

10:00 am - 5:45 am

KOA

MDW

14h 45m

1 stop

6:30 am - 1:00 pm

MDW

KOA

11h 30m

1 stop

$626Southwest

Mon, Mar 9 - Tue, Mar 17

7:00 pm - 11:55 am

KOA

MDW

11h 55m

2 stops

6:30 am - 1:00 pm

MDW

KOA

11h 30m

1 stop

$632Southwest

Mon, Mar 9 - Tue, Mar 17

9:17 pm - 6:32 pm

KOA

MLI

16h 15m

2 stops

6:13 am - 6:17 pm

MLI

KOA

17h 04m

2 stops

$1,550American Airlines

Tue, Mar 10 - Sat, Mar 14

6:10 pm - 3:01 pm

KOA

MLI

15h 51m

1 stop

6:13 am - 6:17 pm

MLI

KOA

17h 04m

2 stops

$1,797American Airlines

Tue, Mar 10 - Sat, Mar 14

Alaska Airlines flights from Kailua-Kona to Illinois

Our best Alaska Airlines deals on Kailua-Kona to Illinois flight tickets

Alaska Airlines

Apr 29

KOA1:16 pmKona Intl

18h 57m

1 stop

ORD1:13 pmChicago O'Hare Intl

May 4

ORD3:52 pmChicago O'Hare Intl

28h 04m

1 stop

KOA2:56 pmKona Intl

$467

Alaska Airlines

May 15

KOA8:00 amKona Intl

10h 59m

1 stop

ORD11:59 pmChicago O'Hare Intl

May 20

ORD9:00 amChicago O'Hare Intl

18h 14m

2 stops

KOA10:14 pmKona Intl

$580

Alaska Airlines

Mar 9

KOA11:53 amKona Intl

22h 05m

1 stop

ORD2:58 pmChicago O'Hare Intl

Mar 17

ORD3:07 pmChicago O'Hare Intl

23h 32m

2 stops

KOA9:39 amKona Intl

$584

Southwest flights from Kailua-Kona to Illinois

Our best Southwest deals on Kailua-Kona to Illinois flight tickets

Southwest

Mar 9

KOA10:00 amKona Intl

14h 45m

1 stop

MDW5:45 amChicago Midway

Mar 17

MDW6:30 amChicago Midway

11h 30m

1 stop

KOA1:00 pmKona Intl

$626

Southwest

Mar 9

KOA7:00 pmKona Intl

11h 55m

2 stops

MDW11:55 amChicago Midway

Mar 17

MDW6:30 amChicago Midway

11h 30m

1 stop

KOA1:00 pmKona Intl

$632

Southwest

Mar 30

KOA8:25 pmKona Intl

10h 30m

1 stop

MDW11:55 amChicago Midway

Apr 1

MDW5:55 amChicago Midway

13h 40m

2 stops

KOA2:35 pmKona Intl

$638

Fly from

Fly to

Route

Depart

Return

Price

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Thu 4/23

8:50 pm-4:39 pm

1 stop14h 49m

Chicago O'Hare Intl

Tue 4/28

7:15 am-7:03 pm

1 stop16h 48m

$428

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Thu 4/23

1:16 pm-1:13 pm

1 stop18h 57m

Chicago O'Hare Intl

Tue 4/28

8:50 am-10:16 pm

2 stops18h 26m

$430

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Thu 4/23

6:00 am-11:43 pm

2 stops12h 43m

Chicago O'Hare Intl

Tue 4/28

8:50 am-6:26 am

2 stops26h 36m

$436

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Wed 4/29

1:16 pm-1:13 pm

1 stop18h 57m

Chicago O'Hare Intl

Mon 5/4

3:52 pm-2:56 pm

1 stop28h 04m

$467

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 4/21

7:30 pm-1:08 pm

1 stop12h 38m

Lambert-St Louis

Sat 4/25

8:54 am-7:42 pm

2 stops15h 48m

$479

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 4/21

12:55 pm-8:25 am

2 stops14h 30m

Lambert-St Louis

Sat 4/25

8:54 am-7:42 pm

2 stops15h 48m

$484

Kailua-KonaChicago

KOA - MDW

KOAMDW

Kona Intl

Mon 3/9

10:00 am-5:45 am

1 stop14h 45m

Chicago Midway

Tue 3/17

6:30 am-1:00 pm

1 stop11h 30m

$626

Kailua-KonaChicago

KOA - MDW

KOAMDW

Kona Intl

Mon 3/9

7:00 pm-11:55 am

2 stops11h 55m

Chicago Midway

Tue 3/17

6:30 am-1:00 pm

1 stop11h 30m

$632

Kailua-KonaMoline

KOA - MLI

KOAMLI

Kona Intl

Tue 3/10

9:17 pm-6:32 pm

2 stops16h 15m

Moline Quad-City

Sat 3/14

6:13 am-6:17 pm

2 stops17h 04m

$1,550

Kailua-KonaMoline

KOA - MLI

KOAMLI

Kona Intl

Tue 3/10

6:10 pm-3:01 pm

1 stop15h 51m

Moline Quad-City

Sat 3/14

6:13 am-6:17 pm

2 stops17h 04m

$1,797

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 Kailua-Kona 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

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Kailua-Kona is in February. Flight prices, which tend to average around $421, 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 December is also cheap. Prices for this month can be found on momondo for an average of $424.

What is the cheapest Kona Intl to Illinois flight route?

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

What cabin class options are available on Kona Intl to Illinois flights?

There are 2 cabin classes available to choose from on Kona Intl to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kailua-Kona to Illinois flights?

You could potentially save up to 49% on your flight if you consider stops on a Kailua-Kona to Illinois flight.

Cheap Kailua-Kona to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kailua-Kona to Illinois

Best Price Found	$360
Fastest flight time	7h 58m
Direct flights	Sun
Airports in Illinois	98 airports

The best one-way flight to Illinois from Kailua-Kona in the past 72 hours is $360. The best round-trip flight deal from Kailua-Kona to Illinois found on momondo in the last 72 hours is $778.

The fastest flight from Kailua-Kona to Illinois takes 7h 58m

Direct flights go from Kailua-Kona to Illinois on Sunday. There are no airlines offering direct flights.

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

Search flight deals

When did momondo last update prices for flights from Kona Intl Airport to Illinois?
Prices for flights from Kona Intl Airport to Illinois were last updated today.
How many operators does momondo search for flights from Kona Intl Airport to Illinois?
As of February 2026, there are 2 operators available to choose from for flights from Kona Intl Airport to Illinois.
How old do you have to be to fly from Kona 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 Kona Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Kailua-Kona to Illinois?
Based on momondo bookings for flights between Kailua-Kona and Illinois, the leading plane model is Boeing 787-8 Dreamliner, making up 100.00% of the total bookings.

Best airlines flying from Kailua-Kona to Illinois

Compare and see reviews for airlines that fly from Kailua-Kona to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $447	Free Cancellation	Rating 7.2 11,357 reviews		Search American Airlines flights
United Airlines	PriceFrom $447	Free Cancellation	Rating 7.4 9,349 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Kailua-Kona to Illinois?

It is quick and easy to find Kailua-Kona 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 Kailua-Kona to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Kailua-Kona with this policy.

How can momondo help me find flights from Kailua-Kona to Illinois?

Once all potential Kailua-Kona to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Illinois from Kailua-Kona. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.