$172+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Mar 7 — Mar 141
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
Best
Last-minute
One-way
Cheapest flights from Illinois to Kailua-KonaExplore 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 February 5, 2026.
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 February 5, 2026.
This Orbitz deal was found by Cheapflights users on 2/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:52 pm
ORD
- KOA
1 stop28h 04m
Alaska Airlines
Tue 5/121:16 pm
KOA
- ORD
1 stop24h 30m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$402
This Orbitz deal was found by Cheapflights users on 2/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:20 am
ORD
- KOA
1 stop11h 39m
Alaska Airlines
Tue 4/281:16 pm
KOA
- ORD
1 stop18h 57m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$404
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:20 am
ORD
- KOA
2 stops18h 55m
Multiple Airlines
Tue 3/1712:10 pm
KOA
- ORD
1 stop21h 11m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$407
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:20 am
ORD
- KOA
2 stops26h 57m
Multiple Airlines
Thu 3/59:05 pm
KOA
- ORD
1 stop10h 56m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$410
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
ORD
- KOA
1 stop14h 13m
Alaska Airlines
Tue 3/1712:10 pm
KOA
- ORD
1 stop25h 52m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$412
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:20 am
ORD
- KOA
2 stops26h 06m
Multiple Airlines
Wed 3/410:17 pm
KOA
- ORD
1 stop11h 54m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$413
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:20 am
ORD
- KOA
2 stops17h 55m
Multiple Airlines
Wed 3/410:17 pm
KOA
- ORD
1 stop11h 54m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$414
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:20 am
ORD
- KOA
2 stops17h 55m
Multiple Airlines
Tue 3/36:56 pm
KOA
- ORD
2 stops16h 02m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Tue 4/218:20 am
ORD
- KOA
1 stop11h 39m
Multiple Airlines
Tue 4/289:00 pm
KOA
- ORD
2 stops14h 56m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$417
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:50 am
ORD
- KOA
2 stops18h 26m
Multiple Airlines
Fri 5/158:00 am
KOA
- ORD
1 stop10h 59m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$418
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:50 am
ORD
- KOA
2 stops18h 26m
Multiple Airlines
Mon 5/111:16 pm
KOA
- ORD
1 stop18h 57m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$419
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:00 am
STL
- KOA
1 stop14h 13m
Alaska Airlines
Wed 3/410:17 pm
KOA
- STL
1 stop11h 34m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$422
Best flights from Illinois to Kailua-KonaDiscover carefully curated flight deals from Illinois to Kailua-Kona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Illinois to Kailua-Kona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This Expedia deal was found by Cheapflights users on 2/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:52 pm
ORD
- KOA
1 stop28h 04m
Alaska Airlines
Fri 5/11:16 pm
KOA
- ORD
1 stop18h 57m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$422
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:20 am
ORD
- KOA
2 stops26h 06m
Multiple Airlines
Wed 3/410:17 pm
KOA
- ORD
1 stop11h 54m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$428
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.
Sun 4/266:25 am
ORD
- KOA
2 stops16h 18m
Delta
Wed 5/68:50 pm
KOA
- ORD
1 stop11h 43m
Delta
Deal found 2/2![Delta logo]()
$430
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:10 am
MDW
- KOA
2 stops19h 10m
Southwest
Wed 3/47:00 pm
KOA
- MDW
2 stops12h 10m
Southwest
Deal found 2/2![Southwest logo]()
$484
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 2/265:22 pm
MLI
- KOA
2 stops23h 31m
United Airlines
Mon 3/210:55 pm
KOA
- MLI
2 stops31h 16m
United Airlines
Deal found 2/2![United Airlines logo]()
$744
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 2/266:13 am
MLI
- KOA
1 stop13h 17m
American Airlines
Mon 3/210:40 pm
KOA
- MLI
2 stops15h 52m
American Airlines
Deal found 2/4![American Airlines logo]()
$804
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Mon 3/27:00 am
ORD
- KOA
1 stop14h 13m
Alaska Airlines
Wed 3/410:17 pm
KOA
- ORD
1 stop11h 54m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$422
This Expedia deal was found by Cheapflights users on 2/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:48 pm
ORD
- KOA
2 stops23h 33m
Multiple Airlines
Fri 5/11:16 pm
KOA
- ORD
1 stop18h 57m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$428
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.
Tue 4/287:02 am
STL
- KOA
2 stops17h 01m
Delta
Tue 5/510:00 pm
KOA
- STL
2 stops14h 26m
Delta
Deal found 2/3![Delta logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/47:00 am
STL
- KOA
1 stop14h 13m
Alaska Airlines
Wed 3/119:17 pm
KOA
- STL
1 stop11h 34m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$422
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:00 am
STL
- KOA
1 stop14h 13m
Multiple Airlines
Wed 3/46:56 pm
KOA
- STL
2 stops14h 55m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$428
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.
Mon 4/67:15 am
STL
- KOA
2 stops16h 23m
Delta
Wed 4/1510:00 pm
KOA
- STL
2 stops14h 26m
Delta
Deal found 2/2![Delta logo]()
$434
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:10 am
MDW
- KOA
2 stops17h 10m
Southwest
Mon 3/98:25 pm
KOA
- MDW
1 stop10h 30m
Southwest
Deal found 2/2![Southwest logo]()
$486
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
STL
- KOA
1 stop17h 52m
Alaska Airlines
Wed 4/298:00 am
KOA
- STL
1 stop10h 59m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$422
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
STL
- KOA
1 stop14h 13m
Multiple Airlines
Wed 2/255:30 pm
KOA
- STL
2 stops16h 21m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$428
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 4/87:15 am
STL
- KOA
2 stops16h 23m
Delta
Wed 4/1510:00 pm
KOA
- STL
2 stops14h 26m
Delta
Deal found 2/2![Delta logo]()
$434
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:10 am
MDW
- KOA
1 stop13h 05m
Southwest
Tue 4/2810:00 am
KOA
- MDW
1 stop14h 45m
Southwest
Deal found 2/2![Southwest logo]()
$495
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
STL
- KOA
1 stop17h 52m
Multiple Airlines
Wed 4/299:00 pm
KOA
- STL
2 stops21h 59m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 2/4. 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 4/287:02 am
STL
- KOA
2 stops17h 01m
Delta
Mon 5/410:00 pm
KOA
- STL
2 stops14h 26m
Delta
Deal found 2/4![Delta logo]()
$434
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/23:07 pm
ORD
- KOA
1 stop28h 46m
Alaska Airlines
Mon 3/99:17 pm
KOA
- ORD
1 stop11h 56m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$435
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:00 am
MDW
- KOA
1 stop12h 45m
Southwest
Thu 3/59:25 pm
KOA
- MDW
2 stops12h 50m
Southwest
Deal found 2/2![Southwest logo]()
$501
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
STL
- KOA
1 stop17h 52m
Multiple Airlines
Tue 5/57:46 pm
KOA
- STL
2 stops23h 13m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$428
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.
Mon 3/27:15 am
ORD
- KOA
2 stops16h 24m
Delta
Wed 3/49:55 pm
KOA
- ORD
2 stops16h 06m
Delta
Deal found 2/2![Delta logo]()
$435
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:00 am
MDW
- KOA
2 stops16h 25m
Southwest
Tue 3/178:25 pm
KOA
- MDW
2 stops12h 20m
Southwest
Deal found 2/2![Southwest logo]()
$522
This Delta deal was found by Cheapflights users on 2/4. 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.
Mon 4/277:20 am
ORD
- KOA
2 stops16h 43m
Delta
Wed 5/610:00 pm
KOA
- ORD
2 stops15h 13m
Delta
Deal found 2/4![Delta logo]()
$435
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
STL
- KOA
2 stops31h 07m
Multiple Airlines
Thu 3/59:05 pm
KOA
- STL
1 stop12h 46m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$467
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.
Tue 2/249:34 am
MDW
- KOA
2 stops14h 05m
Delta
Tue 3/310:55 pm
KOA
- MDW
2 stops15h 45m
Delta
Deal found 2/2![Delta logo]()
$435
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/96:30 am
MLI
- KOA
2 stops14h 04m
United Airlines
Fri 3/137:35 pm
KOA
- MLI
2 stops14h 32m
United Airlines
Deal found 2/4![United Airlines logo]()
$779
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 4/227:15 am
ORD
- KOA
1 stop16h 48m
Delta
Mon 5/48:50 pm
KOA
- ORD
1 stop11h 33m
Delta
Deal found 2/2![Delta logo]()
$436
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/136:35 am
MLI
- KOA
2 stops18h 15m
United Airlines
Mon 5/188:00 pm
KOA
- MLI
2 stops14h 12m
United Airlines
Deal found 2/4![United Airlines logo]()
$787
Last-minute flights from Illinois to Kailua-KonaDiscover last-minute flight deals from Illinois to Kailua-Kona. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Kailua-Kona. Data last updated February 5, 2026 and is based on user searches.
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
STL
- KOA
1 stop14h 13m
Multiple Airlines
Wed 2/255:30 pm
KOA
- STL
2 stops16h 21m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$428
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:00 am
ORD
- KOA
1 stop14h 13m
Multiple Airlines
Tue 3/39:01 pm
KOA
- ORD
2 stops13h 57m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$414
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:00 am
STL
- KOA
1 stop14h 13m
Alaska Airlines
Thu 3/59:05 pm
KOA
- STL
1 stop12h 46m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$422
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.
Tue 2/247:40 am
ORD
- KOA
1 stop15h 59m
Delta
Tue 3/39:55 pm
KOA
- ORD
1 stop11h 27m
Delta
Deal found 2/2![Delta logo]()
$424
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:00 am
STL
- KOA
1 stop14h 13m
Multiple Airlines
Fri 3/67:50 pm
KOA
- STL
2 stops14h 01m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$426
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:20 am
ORD
- KOA
2 stops26h 57m
Multiple Airlines
Thu 3/59:05 pm
KOA
- ORD
1 stop10h 56m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$410
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:20 am
ORD
- KOA
2 stops26h 06m
Multiple Airlines
Wed 3/410:17 pm
KOA
- ORD
1 stop11h 54m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$413
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:00 am
ORD
- KOA
1 stop14h 13m
Alaska Airlines
Wed 3/410:17 pm
KOA
- ORD
1 stop11h 54m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$422
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/23:07 pm
ORD
- KOA
1 stop28h 46m
Multiple Airlines
Wed 3/47:50 pm
KOA
- ORD
2 stops13h 21m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$425
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.
Mon 3/97:00 am
STL
- KOA
1 stop12h 22m
American Airlines
Mon 3/169:40 pm
KOA
- STL
1 stop11h 07m
American Airlines
Deal found 2/2![American Airlines logo]()
$423
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:20 am
ORD
- KOA
2 stops18h 55m
Multiple Airlines
Tue 3/1712:10 pm
KOA
- ORD
1 stop21h 11m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$407
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
ORD
- KOA
1 stop14h 13m
Alaska Airlines
Tue 3/1712:10 pm
KOA
- ORD
1 stop25h 52m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$412
One-way flights from Illinois to Kailua-KonaSearch for one-way flight options from Illinois to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Illinois to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:00 am
ORD
- KOA
3 stops34h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Wed 4/157:21 pm
ORD
- KOA
2 stops40h 05m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$176
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:08 pm
ORD
- KOA
3 stops38h 18m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Sun 4/199:18 pm
ORD
- KOA
3 stops38h 08m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Mon 4/206:15 am
MDW
- KOA
3 stops29h 11m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$194
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Tue 4/218:20 am
ORD
- KOA
1 stop11h 39m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Thu 4/167:21 pm
ORD
- KOA
2 stops40h 55m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$203
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:20 am
ORD
- KOA
2 stops18h 55m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Sat 4/187:21 pm
ORD
- KOA
2 stops40h 05m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$209
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:31 am
ORD
- KOA
1 stop11h 28m
American Airlines
Deal found 2/3![American Airlines logo]()
$211
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.
Sun 3/87:25 am
ORD
- KOA
1 stop16h 12m
Delta
Deal found 2/2![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 2/4. 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 4/152:12 pm
MDW
- KOA
2 stops32h 31m
Delta
Deal found 2/4![Delta logo]()
$242
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 February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $402 (Orbitz) |
One-way from | $172 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $631 |
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 February 5, 2026.
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
Sat 4/25
3:52 pm-2:56 pm
1 stop28h 04m
Kona Intl
Fri 5/1
1:16 pm-1:13 pm
1 stop18h 57m
$422
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Mon 3/2
7:00 am-5:13 pm
1 stop14h 13m
Kona Intl
Wed 3/4
10:17 pm-2:11 pm
1 stop11h 54m
$422
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Wed 3/4
7:00 am-5:13 pm
1 stop14h 13m
Kona Intl
Wed 3/11
9:17 pm-1:51 pm
1 stop11h 34m
$422
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Wed 4/22
7:00 am-7:52 pm
1 stop17h 52m
Kona Intl
Wed 4/29
8:00 am-11:59 pm
1 stop10h 59m
$422
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Mon 3/2
8:20 am-6:26 am
2 stops26h 06m
Kona Intl
Wed 3/4
10:17 pm-2:11 pm
1 stop11h 54m
$428
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Sat 4/25
8:48 pm-3:21 pm
2 stops23h 33m
Kona Intl
Fri 5/1
1:16 pm-1:13 pm
1 stop18h 57m
$428
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Tue 2/24
7:00 am-5:13 pm
1 stop14h 13m
Kona Intl
Wed 3/4
6:56 pm-1:51 pm
2 stops14h 55m
$428
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Mon 2/23
7:00 am-5:13 pm
1 stop14h 13m
Kona Intl
Wed 2/25
5:30 pm-1:51 pm
2 stops16h 21m
$428
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Wed 4/22
7:00 am-7:52 pm
1 stop17h 52m
Kona Intl
Wed 4/29
9:00 pm-11:59 pm
2 stops21h 59m
$428
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Tue 4/28
7:00 am-7:52 pm
1 stop17h 52m
Kona Intl
Tue 5/5
7:46 pm-11:59 pm
2 stops23h 13m
$428
Showing 1-10 of 59 results
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.
ORD-KOA
STL-KOA
MDW-KOA
MLI-KOA
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
USIL-KOA
ORD-KOA
STL-KOA
MDW-KOA
MLI-KOA
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 $384). Flying from Illinois to Kailua-Kona in July is currently the most expensive (average of $665). 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 February 5, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Kailua-Kona as you normally would.
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.
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
Complete your trip
Flights by cabin class
Kailua-Kona flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for Illinois to Kailua-Kona
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Kailua-Kona by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Kailua-Kona by cabin class
Find flights from Illinois to Kailua-Kona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Kailua-Kona
Explore flights to Kailua-Kona departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 5, 2026.
Illinois and Kailua-Kona flights
Browse other Illinois and Kailua-Kona flight options. Last updated on February 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Kailua-Kona flights
Consider these flights traveling from Illinois to Kailua-Kona.
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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$265 | Average$576 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$419 | Average$667 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$429 | Average$624 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$447 | Average$922 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$453 | Average$709 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$578 | Average$696 | FlexibilityNo cancel fee | On-time63% |