$337+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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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 June 10, 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 June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 11/39:13 am
STL
- KOA
1 stop11h 28m
United Airlines
Wed 11/118:30 pm
KOA
- STL
1 stop12h 13m
United Airlines
Deal found 6/9![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 9/107:30 am
STL
- KOA
2 stops16h 04m
Delta
Thu 9/179:03 pm
KOA
- STL
2 stops17h 41m
Delta
Deal found 6/9![Delta logo]()
$415
This Southwest deal was found by Cheapflights users on 6/9. 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 11/36:30 am
STL
- KOA
1 stop11h 30m
Southwest
Wed 11/119:30 pm
KOA
- STL
1 stop10h 20m
Southwest
Deal found 6/9![Southwest logo]()
$419
This Southwest deal was found by Cheapflights users on 6/9. 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 11/105:45 am
MDW
- KOA
1 stop12h 15m
Southwest
Tue 11/179:30 pm
KOA
- MDW
1 stop12h 35m
Southwest
Deal found 6/9![Southwest logo]()
$434
This Delta deal was found by Cheapflights users on 6/10. 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 9/96:30 pm
ORD
- KOA
1 stop29h 04m
Delta
Tue 9/159:55 pm
KOA
- ORD
1 stop20h 26m
Delta
Deal found 6/10![Delta logo]()
$440
This Delta deal was found by Cheapflights users on 6/10. 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 11/32:55 pm
ORD
- KOA
1 stop32h 44m
Delta
Tue 11/109:40 pm
KOA
- ORD
2 stops19h 54m
Delta
Deal found 6/10![Delta logo]()
$446
This Delta deal was found by Cheapflights users on 6/10. 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 9/96:30 pm
ORD
- KOA
1 stop29h 04m
Delta
Sun 9/209:55 pm
KOA
- ORD
1 stop14h 38m
Delta
Deal found 6/10![Delta logo]()
$456
This Delta deal was found by Cheapflights users on 6/9. 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 10/206:30 am
STL
- KOA
2 stops17h 09m
Delta
Fri 10/308:40 pm
KOA
- STL
2 stops12h 51m
Delta
Deal found 6/9![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 10/316:00 am
ORD
- KOA
2 stops17h 39m
Delta
Mon 11/99:40 pm
KOA
- ORD
1 stop15h 41m
Delta
Deal found 6/10![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 6/10. 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 11/27:35 am
ORD
- KOA
1 stop16h 04m
Delta
Mon 11/99:40 pm
KOA
- ORD
2 stops16h 17m
Delta
Deal found 6/10![Delta logo]()
$462
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 8/308:00 am
STL
- KOA
1 stop10h 58m
American Airlines
Sun 9/139:45 pm
KOA
- STL
1 stop18h 07m
American Airlines
Deal found 6/10![American Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 10/316:00 am
ORD
- KOA
2 stops17h 39m
Delta
Tue 11/109:40 pm
KOA
- ORD
2 stops19h 54m
Delta
Deal found 6/10![Delta logo]()
$466
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 June 10, 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 June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sun 8/305:50 am
STL
- KOA
1 stop11h 50m
Southwest
Sun 8/308:35 pm
KOA
- STL
1 stop10h 30m
Southwest
Deal found 6/10![Southwest logo]()
$471
This Delta deal was found by Cheapflights users on 6/10. 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 9/86:30 pm
ORD
- KOA
1 stop29h 04m
Delta
Tue 9/159:55 pm
KOA
- ORD
1 stop14h 38m
Delta
Deal found 6/10![Delta logo]()
$471
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 8/256:00 am
ORD
- KOA
2 stops15h 29m
Multiple Airlines
Thu 8/2710:35 am
KOA
- ORD
1 stop21h 47m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$519
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 8/212:18 pm
ORD
- KOA
1 stop29h 30m
Alaska Airlines
Fri 8/2810:35 am
KOA
- ORD
1 stop21h 47m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/165:10 am
STL
- KOA
2 stops19h 37m
United Airlines
Tue 7/218:00 pm
KOA
- STL
1 stop22h 57m
United Airlines
Deal found 6/6![United Airlines logo]()
$779
This Southwest deal was found by Cheapflights users on 6/9. 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 8/275:55 am
STL
- KOA
1 stop11h 45m
Southwest
Thu 9/38:35 pm
KOA
- STL
1 stop10h 30m
Southwest
Deal found 6/9![Southwest logo]()
$489
This Delta deal was found by Cheapflights users on 6/7. 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 8/256:00 am
ORD
- KOA
2 stops16h 35m
Delta
Thu 8/2710:05 pm
KOA
- ORD
2 stops15h 14m
Delta
Deal found 6/7![Delta logo]()
$525
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 8/35:37 pm
STL
- KOA
1 stop22h 18m
Multiple Airlines
Wed 8/121:52 pm
KOA
- STL
2 stops21h 45m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$595
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 6/242:50 pm
STL
- KOA
1 stop12h 20m
Alaska Airlines
Thu 7/29:19 pm
KOA
- STL
1 stop11h 33m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$649
This Delta deal was found by Cheapflights users on 6/6. 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.
Thu 8/137:00 am
ORD
- KOA
1 stop15h 35m
Delta
Tue 8/188:42 pm
KOA
- ORD
1 stop11h 41m
Delta
Deal found 6/6![Delta logo]()
$594
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/87:20 am
ORD
- KOA
1 stop12h 28m
Multiple Airlines
Wed 9/166:00 am
KOA
- ORD
2 stops12h 59m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$595
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 8/216:01 am
ORD
- KOA
2 stops17h 16m
Multiple Airlines
Fri 8/2810:35 am
KOA
- ORD
1 stop21h 47m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$599
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 7/296:37 am
STL
- KOA
2 stops20h 33m
Alaska Airlines
Wed 8/511:58 am
KOA
- STL
2 stops15h 25m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 6/7. 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 8/199:59 am
MDW
- KOA
2 stops14h 18m
Delta
Wed 8/2610:05 pm
KOA
- MDW
2 stops19h 31m
Delta
Deal found 6/7![Delta logo]()
$638
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/87:20 am
ORD
- KOA
2 stops15h 57m
Multiple Airlines
Tue 9/1510:51 am
KOA
- ORD
2 stops14h 29m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$600
This Southwest deal was found by Cheapflights users on 6/7. 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 8/126:50 am
MDW
- KOA
1 stop10h 50m
Southwest
Tue 8/188:35 pm
KOA
- MDW
1 stop10h 20m
Southwest
Deal found 6/7![Southwest logo]()
$760
This Delta deal was found by Cheapflights users on 6/6. 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 9/79:59 am
MDW
- KOA
2 stops14h 18m
Delta
Thu 9/179:55 pm
KOA
- MDW
2 stops15h 16m
Delta
Deal found 6/6![Delta logo]()
$650
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 7/206:37 am
STL
- KOA
2 stops20h 33m
Alaska Airlines
Sun 7/2611:58 am
KOA
- STL
2 stops15h 33m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$744
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 8/45:37 pm
STL
- KOA
1 stop22h 18m
Multiple Airlines
Wed 8/1212:51 pm
KOA
- STL
2 stops22h 46m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$650
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 8/219:59 am
MDW
- KOA
2 stops14h 18m
Delta
Mon 8/2410:05 pm
KOA
- MDW
2 stops19h 31m
Delta
Deal found 6/7![Delta logo]()
$678
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 7/258:35 pm
MDW
- KOA
1 stop18h 00m
Southwest
Sat 8/110:00 am
KOA
- MDW
1 stop14h 45m
Southwest
Deal found 6/10![Southwest logo]()
$826
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/259:05 am
MLI
- KOA
1 stop11h 32m
United Airlines
Mon 6/2911:55 am
KOA
- MLI
2 stops17h 09m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,090
This Southwest deal was found by Cheapflights users on 6/8. 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 7/135:45 am
MDW
- KOA
2 stops13h 25m
Southwest
Mon 7/208:25 pm
KOA
- MDW
1 stop12h 00m
Southwest
Deal found 6/8![Southwest logo]()
$831
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 8/219:59 am
MDW
- KOA
2 stops14h 18m
Delta
Fri 8/288:42 pm
KOA
- MDW
2 stops16h 19m
Delta
Deal found 6/6![Delta logo]()
$700
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 7/276:02 am
STL
- KOA
2 stops16h 53m
Multiple Airlines
Fri 7/3111:58 am
KOA
- STL
2 stops15h 33m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$755
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 6/247:56 pm
STL
- KOA
2 stops22h 40m
Multiple Airlines
Thu 7/29:19 pm
KOA
- STL
2 stops16h 07m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$760
This Delta deal was found by Cheapflights users on 6/6. 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.
Sat 7/49:54 am
MDW
- KOA
2 stops14h 23m
Delta
Sat 7/118:40 pm
KOA
- MDW
2 stops16h 45m
Delta
Deal found 6/6![Delta logo]()
$806
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 7/319:05 am
MLI
- KOA
1 stop11h 32m
United Airlines
Sun 8/91:52 pm
KOA
- MLI
2 stops15h 12m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,482
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 6/246:00 am
MLI
- KOA
2 stops21h 10m
Alaska Airlines
Sun 6/289:19 pm
KOA
- MLI
2 stops16h 03m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$3,129
Last-minute flights from Illinois to Kailua-KonaDiscover last-minute flight deals from Illinois to Kailua-Kona. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Kailua-Kona. Data last updated June 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 6/107:03 am
STL
- KOA
2 stops13h 57m
American Airlines
Thu 7/29:45 pm
KOA
- STL
1 stop21h 13m
American Airlines
Deal found 6/9![American Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 6/8. 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 6/107:08 am
STL
- KOA
2 stops17h 09m
Delta
Thu 7/28:50 pm
KOA
- STL
2 stops17h 13m
Delta
Deal found 6/8![Delta logo]()
$650
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/111:38 pm
STL
- KOA
2 stops13h 07m
United Airlines
Wed 6/178:00 pm
KOA
- STL
1 stop11h 42m
United Airlines
Deal found 6/9![United Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 6/116:21 am
STL
- KOA
2 stops17h 56m
Delta
Wed 6/178:50 pm
KOA
- STL
2 stops17h 13m
Delta
Deal found 6/8![Delta logo]()
$615
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 6/247:56 pm
STL
- KOA
2 stops23h 43m
Multiple Airlines
Thu 7/29:19 pm
KOA
- STL
1 stop11h 33m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 6/242:50 pm
STL
- KOA
1 stop12h 20m
Alaska Airlines
Thu 7/29:19 pm
KOA
- STL
1 stop11h 33m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$649
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 7/78:20 pm
ORD
- KOA
1 stop27h 45m
Multiple Airlines
Tue 7/148:00 am
KOA
- ORD
2 stops16h 00m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$638
This Expedia deal was found by Cheapflights users on 6/6. 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.
Mon 7/138:20 pm
ORD
- KOA
1 stop27h 45m
Multiple Airlines
Mon 7/208:00 am
KOA
- ORD
2 stops17h 20m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$658
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 7/147:20 am
ORD
- KOA
1 stop32h 35m
Alaska Airlines
Thu 8/1311:58 am
KOA
- ORD
1 stop12h 02m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$627
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 7/148:20 pm
ORD
- KOA
2 stops22h 16m
Multiple Airlines
Thu 8/136:00 am
KOA
- ORD
2 stops12h 36m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$655
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 7/166:00 am
ORD
- KOA
1 stop21h 10m
Multiple Airlines
Thu 7/238:00 am
KOA
- ORD
2 stops16h 00m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$662
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 7/236:00 am
ORD
- KOA
1 stop21h 10m
Multiple Airlines
Wed 7/298:00 am
KOA
- ORD
2 stops16h 00m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$637
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 June 10, 2026.
Search for one-way flight options from Illinois to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 7/316:55 am
ORD
- KOA
1 stop15h 40m
Delta
Deal found 6/9![Delta logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/306:00 am
ORD
- KOA
2 stops16h 55m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 8/56:20 am
ORD
- KOA
2 stops32h 14m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 7/293:43 pm
ORD
- KOA
2 stops20h 03m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 6/6. 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 7/276:55 am
ORD
- KOA
1 stop15h 40m
Delta
Deal found 6/6![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 6/6. 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.
Thu 7/308:52 am
ORD
- KOA
2 stops15h 25m
Delta
Deal found 6/6![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 6/198:49 am
STL
- KOA
2 stops15h 28m
Delta
Deal found 6/8![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 6/8. 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 7/87:45 am
ORD
- KOA
2 stops16h 32m
Delta
Deal found 6/8![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 6/6. 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.
Sat 8/16:55 am
ORD
- KOA
1 stop15h 40m
Delta
Deal found 6/6![Delta logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 7/126:00 am
ORD
- KOA
2 stops15h 28m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 6/10. 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 7/226:55 am
ORD
- KOA
1 stop15h 40m
Delta
Deal found 6/10![Delta logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 7/292:20 pm
ORD
- KOA
1 stop26h 55m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$387
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $360 (United Airlines) |
One-way from | $337 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $813 |
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 June 10, 2026.
Use the filters below to find and compare flights from Illinois to Kailua-Kona that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Sun 8/30
5:50 am-12:40 pm
1 stop11h 50m
Kona Intl
Sun 8/30
8:35 pm-12:05 pm
1 stop10h 30m
$471
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Tue 9/8
6:30 pm-6:34 pm
1 stop29h 04m
Kona Intl
Tue 9/15
9:55 pm-5:33 pm
1 stop14h 38m
$471
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Thu 8/27
5:55 am-12:40 pm
1 stop11h 45m
Kona Intl
Thu 9/3
8:35 pm-12:05 pm
1 stop10h 30m
$489
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Tue 8/25
6:00 am-4:29 pm
2 stops15h 29m
Kona Intl
Thu 8/27
10:35 am-1:22 pm
1 stop21h 47m
$519
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Tue 8/25
6:00 am-5:35 pm
2 stops16h 35m
Kona Intl
Thu 8/27
10:05 pm-6:19 pm
2 stops15h 14m
$525
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Fri 8/21
2:18 pm-2:48 pm
1 stop29h 30m
Kona Intl
Fri 8/28
10:35 am-1:22 pm
1 stop21h 47m
$593
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Thu 8/13
7:00 am-5:35 pm
1 stop15h 35m
Kona Intl
Tue 8/18
8:42 pm-1:23 pm
1 stop11h 41m
$594
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Mon 8/3
5:37 pm-10:55 am
1 stop22h 18m
Kona Intl
Wed 8/12
1:52 pm-4:37 pm
2 stops21h 45m
$595
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Tue 9/8
7:20 am-2:48 pm
1 stop12h 28m
Kona Intl
Wed 9/16
6:00 am-11:59 pm
2 stops12h 59m
$595
ChicagoKailua-Kona
ORD - KOA
ORDKOA
Chicago O'Hare Intl
Fri 8/21
6:01 am-6:17 pm
2 stops17h 16m
Kona Intl
Fri 8/28
10:35 am-1:22 pm
1 stop21h 47m
$599
Showing 1-10 of 49 resultsSorted by cheapest first
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.
STL-KOA
ORD-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
STL-KOA
ORD-KOA
MDW-KOA
MLI-KOA
What is the cheapest month to book a flight from Illinois to Kailua-Kona?
Currently, January is the cheapest month in which you can book a flight from Illinois to Kailua-Kona (average of $262). Flying from Illinois to Kailua-Kona in June is currently the most expensive (average of $623). 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 June 10, 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.
How much does it cost to fly round-trip from Illinois to Kailua-Kona?
How far ahead should I book a flight from Illinois to Kailua-Kona?
The best time to book flights from Illinois to Kailua-Kona is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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.
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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 June 10, 2026.
Illinois and Kailua-Kona flights
Browse other Illinois and Kailua-Kona flight options. Last updated on June 10, 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 4 airlines flying from Illinois to Kailua-Kona
Discover the top 4 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$371 | Average$605 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$418 | Average$667 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$447 | Average$682 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$447 | Average$876 | FlexibilityNo cancel fee | On-time69% |