$242+ Cheap flights from St. Louis (STL) to The Big Island
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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KOA
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to The Big Island 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
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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 St. Louis to The Big Island
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Cheapest flights from St. Louis to The Big IslandExplore the most affordable flight options available from St. Louis to The Big Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
Explore the most affordable flight options available from St. Louis to The Big Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:13 am
STL
- KOA
1 stop11h 28m
United Airlines
Thu 12/248:30 pm
KOA
- STL
1 stop12h 13m
United Airlines
Deal found 7/3![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 12/97:30 am
STL
- KOA
2 stops15h 24m
Delta
Thu 12/248:55 pm
KOA
- STL
1 stop12h 28m
Delta
Deal found 7/3![Delta logo]()
$490
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 9/1010:40 am
STL
- KOA
2 stops13h 43m
Delta
Thu 9/178:50 pm
KOA
- STL
2 stops15h 47m
Delta
Deal found 7/2![Delta logo]()
$495
This United Airlines deal was found by Cheapflights users on 7/4. 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 8/199:30 am
STL
- KOA
2 stops15h 05m
United Airlines
Sat 8/298:00 pm
KOA
- STL
1 stop11h 40m
United Airlines
Deal found 7/4![United Airlines logo]()
$500
This Southwest deal was found by Cheapflights users on 7/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:35 am
STL
- KOA
1 stop12h 05m
Southwest
Wed 8/268:35 pm
KOA
- STL
1 stop10h 30m
Southwest
Deal found 7/4![Southwest logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 8/246:08 pm
STL
- KOA
1 stop21h 58m
Multiple Airlines
Mon 8/3112:21 pm
KOA
- STL
1 stop23h 49m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am
STL
- KOA
2 stops16h 38m
Delta
Fri 10/309:03 pm
KOA
- STL
2 stops18h 56m
Delta
Deal found 7/1![Delta logo]()
$525
This Delta deal was found by Cheapflights users on 7/6. 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.
Tue 9/16:00 am
STL
- KOA
2 stops18h 17m
Delta
Tue 9/88:50 pm
KOA
- STL
2 stops19h 41m
Delta
Deal found 7/6![Delta logo]()
$530
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:00 am
STL
- KOA
1 stop10h 58m
American Airlines
Sat 8/299:45 pm
KOA
- STL
1 stop17h 51m
American Airlines
Deal found 7/1![American Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 8/185:42 am
STL
- ITO
2 stops15h 33m
American Airlines
Wed 8/266:49 pm
ITO
- STL
2 stops17h 48m
American Airlines
Deal found 7/2![American Airlines logo]()
$655
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 9/13:04 pm
STL
- ITO
2 stops20h 59m
Multiple Airlines
Tue 9/84:44 pm
ITO
- STL
2 stops16h 37m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$724
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 11/27:00 am
STL
- ITO
2 stops17h 13m
Multiple Airlines
Wed 11/46:52 pm
ITO
- STL
2 stops15h 23m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$755
Best flights from St. Louis to The Big IslandDiscover carefully curated flight deals from St. Louis to The Big Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
Discover carefully curated flight deals from St. Louis to The Big Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:30 am
STL
- KOA
2 stops15h 24m
Delta
Thu 12/248:55 pm
KOA
- STL
1 stop12h 28m
Delta
Deal found 7/1![Delta logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 9/106:08 pm
STL
- KOA
1 stop21h 58m
Multiple Airlines
Thu 9/171:52 pm
KOA
- STL
2 stops22h 18m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$574
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:30 am
STL
- KOA
2 stops17h 40m
Southwest
Tue 10/138:35 pm
KOA
- STL
1 stop10h 05m
Southwest
Deal found 7/1![Southwest logo]()
$575
This American Airlines deal was found by Cheapflights users on 7/4. 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.
Tue 8/185:42 am
STL
- ITO
2 stops15h 33m
American Airlines
Wed 8/266:49 pm
ITO
- STL
2 stops17h 48m
American Airlines
Deal found 7/4![American Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am
STL
- KOA
2 stops16h 38m
Delta
Fri 10/309:03 pm
KOA
- STL
2 stops18h 56m
Delta
Deal found 7/1![Delta logo]()
$525
This CheapOair deal was found by Cheapflights users on 7/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:08 pm
STL
- KOA
1 stop21h 58m
Multiple Airlines
Tue 9/87:15 pm
KOA
- STL
2 stops14h 06m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$590
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 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 7/2![Multiple Airlines logo]()
$595
This Delta deal was found by Cheapflights users on 7/4. 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.
Sun 8/26:00 am
STL
- KOA
2 stops16h 35m
Delta
Mon 8/108:42 pm
KOA
- STL
2 stops17h 13m
Delta
Deal found 7/4![Delta logo]()
$610
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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.
Thu 10/13:19 pm
STL
- KOA
2 stops20h 26m
Multiple Airlines
Wed 10/147:15 pm
KOA
- STL
2 stops15h 29m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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 9/13:04 pm
STL
- ITO
2 stops20h 59m
Multiple Airlines
Tue 9/84:44 pm
ITO
- STL
2 stops16h 37m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$724
This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:02 am
STL
- MUE
2 stops18h 10m
Multiple Airlines
Mon 7/209:10 pm
MUE
- STL
2 stops21h 49m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$983
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 7/236:02 am
STL
- ITO
2 stops17h 15m
Multiple Airlines
Fri 7/314:47 pm
ITO
- STL
2 stops18h 50m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,029
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 8/27:56 pm
STL
- ITO
2 stops27h 21m
Multiple Airlines
Sat 8/86:00 am
ITO
- STL
2 stops29h 37m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,078
This Gotogate deal was found by Cheapflights users on 7/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:02 am
STL
- MUE
2 stops18h 10m
Multiple Airlines
Thu 7/239:10 pm
MUE
- STL
2 stops21h 49m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,182
This Gotogate deal was found by Cheapflights users on 7/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:50 pm
STL
- MUE
2 stops21h 02m
Multiple Airlines
Sat 8/89:10 pm
MUE
- STL
2 stops35h 42m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,270
Last-minute flights from St. Louis to The Big IslandDiscover last-minute flight deals from St. Louis to The Big Island. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to The Big Island. Data last updated July 6, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 7/166:02 am
STL
- ITO
2 stops15h 13m
Multiple Airlines
Mon 7/204:47 pm
ITO
- STL
2 stops16h 05m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$967
This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:02 am
STL
- MUE
2 stops18h 10m
Multiple Airlines
Mon 7/209:10 pm
MUE
- STL
2 stops21h 49m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$983
This Southwest deal was found by Cheapflights users on 7/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:35 am
STL
- KOA
1 stop12h 05m
Southwest
Thu 8/278:35 pm
KOA
- STL
1 stop10h 30m
Southwest
Deal found 7/4![Southwest logo]()
$484
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 8/185:42 am
STL
- ITO
2 stops15h 33m
American Airlines
Wed 8/266:49 pm
ITO
- STL
2 stops17h 48m
American Airlines
Deal found 7/2![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 8/198:00 am
STL
- KOA
1 stop10h 58m
American Airlines
Mon 8/249:45 pm
KOA
- STL
2 stops15h 20m
American Airlines
Deal found 7/2![American Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 7/4. 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 8/199:15 am
STL
- KOA
2 stops15h 02m
Delta
Wed 8/268:42 pm
KOA
- STL
2 stops17h 13m
Delta
Deal found 7/4![Delta logo]()
$495
This United Airlines deal was found by Cheapflights users on 7/4. 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 8/199:30 am
STL
- KOA
2 stops15h 05m
United Airlines
Sat 8/298:00 pm
KOA
- STL
1 stop11h 40m
United Airlines
Deal found 7/4![United Airlines logo]()
$500
This Southwest deal was found by Cheapflights users on 7/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:35 am
STL
- KOA
1 stop12h 05m
Southwest
Wed 8/268:35 pm
KOA
- STL
1 stop10h 30m
Southwest
Deal found 7/4![Southwest logo]()
$509
This American Airlines deal was found by Cheapflights users on 7/4. 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.
Wed 8/198:00 am
STL
- KOA
1 stop10h 58m
American Airlines
Sun 8/309:45 pm
KOA
- STL
2 stops11h 57m
American Airlines
Deal found 7/4![American Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:00 am
STL
- KOA
1 stop10h 58m
American Airlines
Sat 8/299:45 pm
KOA
- STL
1 stop17h 51m
American Airlines
Deal found 7/1![American Airlines logo]()
$542
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 8/246:08 pm
STL
- KOA
1 stop21h 58m
Multiple Airlines
Mon 8/3112:21 pm
KOA
- STL
1 stop23h 49m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/245:42 am
STL
- KOA
2 stops15h 33m
American Airlines
Mon 8/319:45 pm
KOA
- STL
2 stops15h 20m
American Airlines
Deal found 7/2![American Airlines logo]()
$553
One-way flights from St. Louis to The Big IslandSearch for one-way flight options from St. Louis to The Big Island. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
Search for one-way flight options from St. Louis to The Big Island. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 12/26:55 am
STL
- KOA
1 stop12h 15m
American Airlines
Deal found 7/2![American Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:30 am
STL
- KOA
2 stops17h 40m
Southwest
Deal found 7/1![Southwest logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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 10/97:00 am
STL
- KOA
1 stop19h 08m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$422
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:40 pm
STL
- ITO
2 stops26h 47m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$425
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:40 pm
STL
- KOA
2 stops19h 06m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 7/6. 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.
Sun 10/47:00 am
STL
- ITO
2 stops17h 12m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$439
This CheapOair deal was found by Cheapflights users on 7/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:40 pm
STL
- KOA
2 stops23h 19m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Sun 10/114:40 pm
STL
- ITO
2 stops20h 18m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 7/6. 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.
Fri 10/98:00 am
STL
- KOA
2 stops32h 46m
United Airlines
Deal found 7/6![United Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:00 am
STL
- KOA
1 stop11h 03m
American Airlines
Deal found 7/1![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 10/36:20 am
STL
- ITO
2 stops20h 35m
American Airlines
Deal found 7/2![American Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Sun 10/46:15 am
STL
- ITO
3 stops41h 02m
United Airlines
Deal found 7/2![United Airlines logo]()
$553
Find flight deals from St. Louis to The Big Island
Keep the following information in mind while searching for St. Louis to The Big Island flight deals. Data was last updated July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $484 (United Airlines) |
One-way from | $425 (Priceline) |
Popular in | June |
Cheapest in | November |
Average price | $863 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to The Big Island 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 July 6, 2026.
Use the filters below to find and compare flights from St. Louis to The Big Island that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Wed 12/9
7:30 am-6:54 pm
2 stops15h 24m
Kona Intl
Thu 12/24
8:55 pm-1:23 pm
1 stop12h 28m
$490
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Tue 10/20
6:00 am-5:38 pm
2 stops16h 38m
Kona Intl
Fri 10/30
9:03 pm-8:59 pm
2 stops18h 56m
$525
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Thu 9/10
6:08 pm-11:06 am
1 stop21h 58m
Kona Intl
Thu 9/17
1:52 pm-5:10 pm
2 stops22h 18m
$574
Quickest round-trip
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Thu 10/1
5:30 am-6:10 pm
2 stops17h 40m
Kona Intl
Tue 10/13
8:35 pm-11:40 am
1 stop10h 05m
$575
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Tue 9/1
6:08 pm-11:06 am
1 stop21h 58m
Kona Intl
Tue 9/8
7:15 pm-2:21 pm
2 stops14h 06m
$590
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
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Thu 10/1
3:19 pm-6:45 am
2 stops20h 26m
Kona Intl
Wed 10/14
7:15 pm-3:44 pm
2 stops15h 29m
$605
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Sun 8/2
6:00 am-5:35 pm
2 stops16h 35m
Kona Intl
Mon 8/10
8:42 pm-6:55 pm
2 stops17h 13m
$610
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Tue 8/18
5:42 am-4:15 pm
2 stops15h 33m
Hilo Intl
Wed 8/26
6:49 pm-5:37 pm
2 stops17h 48m
$655
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Tue 9/1
3:04 pm-7:03 am
2 stops20h 59m
Hilo Intl
Tue 9/8
4:44 pm-2:21 pm
2 stops16h 37m
$724
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from St. Louis to The Big Island
Have a flexible travel schedule? Discover the best time to fly to The Big Island from St. Louis with our price prediction graph.
STL-KOA
STL-ITO
STL-MUE
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 St. Louis to The Big Island
STL-zzFUI
STL-KOA
STL-ITO
STL-MUE
What is the cheapest month to book a flight from St. Louis to The Big Island?
Currently, October is the cheapest month in which you can book a flight from St. Louis to The Big Island (average of $210). Flying from St. Louis to The Big Island in June is currently the most expensive (average of $690). 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.
How far ahead should I book a flight from St. Louis to The Big Island?
Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to The Big Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing The Big Island
Get insights into the airlines that provide service to The Big Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to The Big Island. Reviews last updated July 6, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from St. Louis to The Big Island have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
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St. Louis and The Big Island flights
Browse other St. Louis and The Big Island flight options. Last updated on July 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from St. Louis to The Big Island
Discover the top 5 airlines that operate flights from St. Louis to The Big Island. 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$423 | Average$699 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$423 | Average$626 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$441 | Average$727 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$446 | Average$700 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$481 | Average$653 | FlexibilityNo cancel fee | On-time63% |