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

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

What airlines fly to Kailua-Kona?

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Kailua-Kona from Illinois according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Kailua-Kona. Keep in mind that there are 6 different airlines that fly to Kailua-Kona on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Kailua-Kona?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Kailua-Kona you fly into. For example, flying from Chicago to Kailua-Kona takes 10h 03m on average. On the other hand, flying from Moline to Kailua-Kona takes 24h 53m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

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

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

As of October 2025, there are 6 operators available to choose from for flights from Illinois to Kona Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Kona Intl Airport.

What documentation or ID do you need to fly to Kona Intl Airport?

The travel and health documents you'll need for your trip to Kona Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kona Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$161 Cheap Flights from Illinois to Kailua-Kona in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Kailua-Kona

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 am - 3:48 pmSTL-KOA

12h 33m1 stop

11:00 pm - 6:14 pmKOA-STL

15h 14m2 stops

$317American Airlines

Find Deal

Tue, Feb 3 - Tue, Feb 10

3:25 pm - 3:27 pmORD-KOA

28h 02m1 stop

2:51 pm - 11:37 pmKOA-ORD

28h 46m1 stop

$339Alaska Airlines

Find Deal

Wed, Jan 21 - Wed, Jan 28

9:00 am - 4:04 pmORD-KOA

35h 04m1 stop

2:51 pm - 11:10 pmKOA-ORD

28h 19m1 stop

$345Alaska Airlines

Find Deal

Sun, Feb 1 - Wed, Feb 11

7:30 am - 6:55 pmORD-KOA

15h 25m1 stop

8:45 pm - 11:44 pmKOA-ORD

22h 59m1 stop

$353Delta

Find Deal

Sat, Jan 10 - Mon, Jan 19

7:30 am - 6:55 pmORD-KOA

15h 25m1 stop

8:45 pm - 1:25 pmKOA-ORD

12h 40m1 stop

$355Delta

Find Deal

Sat, Jan 10 - Tue, Jan 20

2:20 pm - 6:55 pmORD-KOA

32h 35m1 stop

8:45 pm - 11:44 pmKOA-ORD

22h 59m1 stop

$359Delta

Find Deal

Thu, Jan 8 - Mon, Jan 19

6:00 am - 1:45 pmSTL-KOA

11h 45m1 stop

9:25 pm - 11:40 amKOA-STL

10h 15m1 stop

$421Southwest

Find Deal

Tue, Feb 3 - Tue, Feb 17

6:00 am - 1:45 pmSTL-KOA

11h 45m1 stop

9:25 pm - 4:35 pmKOA-STL

15h 10m2 stops

$426Southwest

Find Deal

Tue, Feb 3 - Tue, Feb 17

6:45 am - 2:44 pmSTL-KOA

11h 59m1 stop

2:25 pm - 9:22 amKOA-STL

14h 57m2 stops

$457United Airlines

Find Deal

Fri, Jan 30 - Tue, Feb 10

9:00 am - 4:18 pmSTL-KOA

11h 18m1 stop

8:55 pm - 3:46 pmKOA-STL

14h 51m2 stops

$467United Airlines

Find Deal

Tue, Nov 4 - Sat, Nov 8

Southwest flights from Illinois to Kailua-Kona

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

Southwest

Feb 3

STL6:00 amLambert-St Louis

11h 45m

1 stop

KOA1:45 pmKona Intl

Feb 17

KOA9:25 pmKona Intl

10h 15m

1 stop

STL11:40 amLambert-St Louis

$421

Find similar

Southwest

Feb 3

STL6:00 amLambert-St Louis

11h 45m

1 stop

KOA1:45 pmKona Intl

Feb 17

KOA9:25 pmKona Intl

15h 10m

2 stops

STL4:35 pmLambert-St Louis

$426

Find similar

Southwest

Feb 3

STL6:00 amLambert-St Louis

16h 10m

2 stops

KOA6:10 pmKona Intl

Feb 17

KOA9:25 pmKona Intl

15h 10m

2 stops

STL4:35 pmLambert-St Louis

$432

Find similar

United Airlines flights from Illinois to Kailua-Kona

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

United Airlines

Jan 30

STL6:45 amLambert-St Louis

11h 59m

1 stop

KOA2:44 pmKona Intl

Feb 10

KOA2:25 pmKona Intl

14h 57m

2 stops

STL9:22 amLambert-St Louis

$457

Find similar

United Airlines

Nov 4

STL9:00 amLambert-St Louis

11h 18m

1 stop

KOA4:18 pmKona Intl

Nov 8

KOA8:55 pmKona Intl

14h 51m

2 stops

STL3:46 pmLambert-St Louis

$467

Find similar

United Airlines

Nov 4

STL6:30 amLambert-St Louis

13h 48m

2 stops

KOA4:18 pmKona Intl

Nov 8

KOA8:55 pmKona Intl

14h 51m

2 stops

STL3:46 pmLambert-St Louis

$472

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

7:15 am-3:48 pm

1 stop12h 33m

Kona Intl

Tue 2/10

11:00 pm-6:14 pm

2 stops15h 14m

$317

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 1/21

3:25 pm-3:27 pm

1 stop28h 02m

Kona Intl

Wed 1/28

2:51 pm-11:37 pm

1 stop28h 46m

$339

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sun 2/1

9:00 am-4:04 pm

1 stop35h 04m

Kona Intl

Wed 2/11

2:51 pm-11:10 pm

1 stop28h 19m

$345

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sat 1/10

7:30 am-6:55 pm

1 stop15h 25m

Kona Intl

Mon 1/19

8:45 pm-11:44 pm

1 stop22h 59m

$353

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sat 1/10

7:30 am-6:55 pm

1 stop15h 25m

Kona Intl

Tue 1/20

8:45 pm-1:25 pm

1 stop12h 40m

$355

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Thu 1/8

2:20 pm-6:55 pm

1 stop32h 35m

Kona Intl

Mon 1/19

8:45 pm-11:44 pm

1 stop22h 59m

$359

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

6:00 am-1:45 pm

1 stop11h 45m

Kona Intl

Tue 2/17

9:25 pm-11:40 am

1 stop10h 15m

$421

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

6:00 am-1:45 pm

1 stop11h 45m

Kona Intl

Tue 2/17

9:25 pm-4:35 pm

2 stops15h 10m

$426

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 1/30

6:45 am-2:44 pm

1 stop11h 59m

Kona Intl

Tue 2/10

2:25 pm-9:22 am

2 stops14h 57m

$457

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 11/4

9:00 am-4:18 pm

1 stop11h 18m

Kona Intl

Sat 11/8

8:55 pm-3:46 pm

2 stops14h 51m

$467

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 Illinois to Kailua-Kona

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 Kailua-Kona?

The cheapest month to fly to Kailua-Kona from Illinois is in September. Flight prices, which tend to average around $577, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Kailua-Kona, with average flight prices from Illinois averaging around $602.

What is the cheapest day to depart on your flight to Kailua-Kona?

The cheapest day to depart on your flight to Kailua-Kona is on a Tuesday when prices can be found for as low as $628. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Kailua-Kona on Saturday is $1,374.

What is the cheapest time of day to depart on your flight to Kailua-Kona?

Flying to Kailua-Kona from Illinois in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $686 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Kailua-Kona is in the morning when prices are around $1,376.

What is the cheapest Illinois to Kona Intl flight route?

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

How far in advance should I book a flight to Kailua-Kona?

You are more likely to see cheaper flights to Kailua-Kona from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Kailua-Kona for around $721 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kailua-Kona from Illinois for as low as $605 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Kona Intl 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 Illinois to Kailua-Kona flights?

You could potentially save up to 29% on your flight if you consider stops on a Illinois to Kailua-Kona flight.

Cheap Illinois to Kailua-Kona flight deals and tips

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

Fastest flight time	9h 01m
Direct flights	Sun
Airports in Kailua-Kona	1 airport

The fastest flight from Illinois to Kailua-Kona takes 9h 01m

Direct flights go from Illinois to Kailua-Kona on Sunday. The only airline offering direct flights is United Airlines.

There is 1 airport near Kailua-Kona: Kona Intl (KOA)

Search flight deals

When did momondo last update prices for flights from Illinois to Kona Intl Airport?
Prices for flights from Illinois to Kona Intl Airport were last updated today.
How many operators does momondo search for flights from Illinois to Kona Intl Airport?
As of October 2025, there are 6 operators available to choose from for flights from Illinois to Kona Intl Airport.
How old do you have to be to fly from Illinois to Kona Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Kona Intl Airport.
What documentation or ID do you need to fly to Kona Intl Airport?
The travel and health documents you'll need for your trip to Kona Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kona Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Kailua-Kona?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Kailua-Kona is Boeing 787-8 Dreamliner, representing 100.00% of all bookings.

Best airlines flying from Illinois to Kailua-Kona

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $371	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights
Alaska Airlines	PriceFrom $423	Free Cancellation	Rating 8.0 11,150 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $429	Free Cancellation	Rating 7.8 2,788 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $447	Free Cancellation	Rating 7.4 8,988 reviews	Search United Airlines flights
American Airlines	PriceFrom $467	Free Cancellation	Rating 7.2 11,028 reviews	Search American Airlines flights
Southwest	PriceFrom $593	Free Cancellation	Rating 8.0 4,237 reviews	Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Kailua-Kona. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Kailua-Kona with flexible booking policies on momondo?

momondo does allow users to show only those flights to Kailua-Kona from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Illinois and Kailua-Kona by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Kailua-Kona from Illinois. 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.