HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kailua-Kona

$181+ Cheap flights from Illinois to Kailua-Kona (KOA)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
ene. 16 — ene. 231
vie. 1/16
vie. 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Kailua-Kona 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 Illinois to Kailua-Kona

Cheapest flights from Illinois to Kailua-Kona
Explore the most affordable flight options available from Illinois to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 17, 2025.

This Delta deal was found by Cheapflights users on 12/17. 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. 12/187:50 amORD - KOA
1 stop14h 30mDelta
jue. 1/158:45 pmKOA - ORD
1 stop12h 37mDelta
Deal found 12/17$613
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/168:55 amORD - KOA
2 stops15h 33mMultiple Airlines
mar. 12/232:25 pmKOA - ORD
1 stop25h 37mMultiple Airlines
Deal found 12/15$684
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/188:58 pmORD - KOA
2 stops23h 11mMultiple Airlines
jue. 1/151:43 pmKOA - ORD
2 stops20h 46mMultiple Airlines
Deal found 12/15$729
This Delta deal was found by Cheapflights users on 12/16. 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. 12/187:50 amORD - KOA
1 stop14h 30mDelta
jue. 12/258:55 pmKOA - ORD
1 stop11h 46mDelta
Deal found 12/16$743
This Delta deal was found by Cheapflights users on 12/15. 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.
mar. 12/237:25 amORD - KOA
1 stop12h 23mDelta
jue. 1/88:45 pmKOA - ORD
2 stops16h 59mDelta
Deal found 12/15$789
This Southwest deal was found by Cheapflights users on 12/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/315:15 amMDW - KOA
1 stop12h 25mSouthwest
mar. 1/69:25 pmKOA - MDW
1 stop15h 10mSouthwest
Deal found 12/15$998
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/245:25 amMDW - KOA
2 stops19h 55mSouthwest
dom. 12/286:55 pmKOA - MDW
2 stops13h 20mSouthwest
Deal found 12/16$1,004
This American Airlines deal was found by Cheapflights users on 12/16. 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. 12/315:00 amSTL - KOA
2 stops15h 38mAmerican Airlines
dom. 1/410:55 pmKOA - STL
1 stop20h 56mAmerican Airlines
Deal found 12/16$1,040
This Southwest deal was found by Cheapflights users on 12/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/295:10 amMDW - KOA
1 stop12h 30mSouthwest
lun. 12/299:15 pmKOA - MDW
1 stop11h 00mSouthwest
Deal found 12/15$1,053
This Southwest deal was found by Cheapflights users on 12/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/225:10 amMDW - KOA
1 stop12h 30mSouthwest
lun. 12/299:15 pmKOA - MDW
1 stop11h 00mSouthwest
Deal found 12/15$1,138
This United Airlines deal was found by Cheapflights users on 12/16. 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.
mié. 12/316:30 amSTL - KOA
2 stops14h 11mUnited Airlines
dom. 1/48:30 pmKOA - STL
2 stops21h 13mUnited Airlines
Deal found 12/16$1,185
This Delta deal was found by Cheapflights users on 12/15. 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. 12/199:34 amMDW - KOA
2 stops13h 56mDelta
dom. 12/288:55 pmKOA - MDW
2 stops16h 31mDelta
Deal found 12/15$1,190

Find flight deals from Illinois to Kailua-Kona

Keep the following information in mind while searching for Illinois to Kailua-Kona flight deals. Data was last updated diciembre 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$343
(Alaska Airlines)

One-way from

$181
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,118
Provider with most accurate pricing for Chicago (CHI)-Kona Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Kona Intl flights.
Search Deals
From Illinois to Kona Intl
Search Deals
One-way flight from Illinois to Kona Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Kailua-Kona 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 diciembre 17, 2025.
Use the filters below to find and compare flights from Illinois to Kailua-Kona that are best for you.

Fly from

Illinois

Fly to

Kailua-Kona

Route

Depart

Return

Price

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

mié. 1/21

3:44 pm-3:27 pm

1 stop27h 43m

Kona Intl

lun. 1/26

2:24 pm-11:37 pm

1 stop29h 13m

$343

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

dom. 2/1

3:44 pm-3:57 pm

1 stop28h 13m

Kona Intl

mié. 2/11

10:50 am-11:59 pm

1 stop33h 09m

$363

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

mié. 1/21

9:00 am-3:27 pm

1 stop34h 27m

Kona Intl

lun. 1/26

7:40 pm-2:29 pm

2 stops14h 49m

$369

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 3/2

7:00 am-7:34 pm

2 stops16h 34m

Kona Intl

mar. 3/10

8:55 pm-5:07 pm

2 stops15h 12m

$374

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 2/23

7:00 am-7:34 pm

2 stops16h 34m

Kona Intl

mar. 3/10

8:55 pm-5:07 pm

2 stops15h 12m

$374

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

mié. 2/25

7:00 am-10:57 pm

1 stop19h 57m

Kona Intl

mar. 3/3

1:10 pm-11:59 pm

1 stop30h 49m

$383

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

mar. 3/3

3:07 pm-3:53 pm

1 stop28h 46m

Kona Intl

mar. 3/17

12:10 pm-11:10 pm

1 stop30h 00m

$383

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

mié. 2/25

8:20 am-6:26 am

2 stops26h 06m

Kona Intl

mar. 3/3

1:10 pm-2:58 pm

1 stop21h 48m

$388

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

lun. 3/2

5:29 pm-10:57 pm

1 stop33h 28m

Kona Intl

mié. 3/4

1:10 pm-2:58 pm

1 stop21h 48m

$393

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mar. 1/20

6:10 am-6:47 pm

2 stops16h 37m

Kona Intl

mar. 1/27

8:45 pm-4:45 pm

2 stops16h 00m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 54 results
1
2
3
...
6

Best time to book a flight from Illinois to Kailua-Kona

Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona from Illinois 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 Illinois to Kailua-Kona

What is the cheapest month to book a flight from Illinois to Kailua-Kona?

Currently, March is the cheapest month in which you can book a flight from Illinois to Kailua-Kona (average of $422). Flying from Illinois to Kailua-Kona in July is currently the most expensive (average of $667). 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 IL to KOA?

Find hourly flight availability from Illinois to Kailua-Kona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Kailua-Kona in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Kailua-Kona. 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 into for flights to Kailua-Kona from Illinois?

    Most people fly into Kona Intl (KOA) if they book a flight to Kailua-Kona from Illinois. Kona Intl is conveniently located just 7.7 mi from Kailua-Kona’s city center.

  • How long is the flight from Illinois to Kailua-Kona?

    Airlines like Alaska Airlines, Delta, and Southwest fly from Illinois to Kailua-Kona in about 11h 35m. The time it takes to get you to your destination can typically vary by up to 16h 08m. The distance from Illinois to Kailua-Kona is about 4213 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Kailua-Kona one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $173. However, be on the lookout for offers from Hawaiian Airlines and Alaska Airlines, as they are both options that can get you from Illinois to Kailua-Kona for a low price.

  • What are the most popular routes from Illinois to Kailua-Kona?

    Most travelers choose Chicago O'Hare Intl - Kona Intl, Lambert-St Louis - Kona Intl or Chicago Midway - Kona Intl when deciding on the best route from Illinois to Kailua-Kona.

  • Can I find deals for flights from Illinois to Kailua-Kona that include hotel bookings?

    Yes. In addition to deals on Illinois to Kailua-Kona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Kailua-Kona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Kailua-Kona.

  • Can I find deals for business class flights from Illinois to Kailua-Kona?

    Yes. Cheapflights offers flight deals from Illinois to Kailua-Kona 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 Illinois to Kailua-Kona?

    Currently, March is the cheapest month in which you can book a flight from Illinois to Kailua-Kona (average of $422). Flying from Illinois to Kailua-Kona in July is currently the most expensive (average of $667). 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 Illinois to Kailua-Kona

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Honolulu flights
San Francisco to Honolulu flights
Seattle to Honolulu flights
John F Kennedy Intl to Honolulu flights
Seattle to Kahului flights
San Francisco to Kahului flights
Los Angeles to Kahului flights
O'Hare Intl to Honolulu flights
Newark to Honolulu flights
Dallas/Fort Worth to Honolulu flights
San Diego to Honolulu flights
Minneapolis to Honolulu flights
Los Angeles to Kailua-Kona flights
San Francisco to Kailua-Kona flights
Seattle to Kailua-Kona flights
Los Angeles to Lihue flights
San Jose to Honolulu flights
San Francisco to Lihue flights
Dulles Intl to Honolulu flights
Denver to Honolulu flights
Portland to Honolulu flights
Sky Harbor Intl to Honolulu flights
Oakland to Honolulu flights
Seattle to Lihue flights
Atlanta to Honolulu flights
Salt Lake City to Honolulu flights
O'Hare Intl to Kahului flights
Denver to Kahului flights
Boston to Honolulu flights
Sacramento to Honolulu flights
Hobby to Honolulu flights
LaGuardia to Honolulu flights
Detroit to Honolulu flights
San Jose to Kahului flights
Portland to Kahului flights
Long Beach to Honolulu flights
Las Vegas to Honolulu flights
George Bush Intcntl to Honolulu flights
Minneapolis to Kahului flights
Baltimore to Honolulu flights
Denver to Kailua-Kona flights
Salt Lake City to Kahului flights
Denver to Lihue flights
Reagan-National to Honolulu flights
Sacramento to Kahului flights
San Diego to Kahului flights
Oakland to Kahului flights
Portland to Kailua-Kona flights
Ontario to Honolulu flights
John F Kennedy Intl to Kahului flights

Top 6 airlines flying from Illinois to Kailua-Kona

Discover the top 6 airlines that operate flights from Illinois to Kailua-Kona. 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 diciembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$371Average$599FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$429Average$668FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$429Average$651FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$447Average$827FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$459Average$724FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$593Average$675FlexibilityNo cancel feeOn-time63%

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.