$223+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KOA
Sep 30 — Oct 71
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
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
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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 August 31, 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 August 31, 2026.
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/218:00 am -
1 stop11h 03m
Sun 9/279:45 pm -
2 stops15h 19m
Deal found 8/27![American Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/318:03 am -
1 stop11h 00m
Mon 11/210:21 pm -
1 stop11h 22m
Deal found 8/25![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 8/27. 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 10/206:04 am -
1 stop14h 13m
Fri 10/303:33 pm -
2 stops12h 45m
Deal found 8/27![American Airlines logo]()
$497
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/205:43 am -
2 stops15h 17m
Sun 9/279:45 pm -
1 stop18h 07m
Deal found 8/26![American Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/105:00 am -
2 stops16h 00m
Thu 9/179:45 pm -
1 stop10h 59m
Deal found 8/27![American Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 8/27. 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 9/106:00 am -
2 stops16h 31m
Thu 9/1710:10 pm -
2 stops16h 48m
Deal found 8/27![Delta logo]()
$535
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 9/206:08 pm -
1 stop21h 58m
Sun 9/2710:25 pm -
1 stop10h 56m
Deal found 8/27![Multiple Airlines logo]()
$539
This Southwest deal was found by Cheapflights users on 8/29. 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 10/315:05 am -
1 stop12h 30m
Mon 11/29:30 pm -
1 stop10h 30m
Deal found 8/29![Southwest logo]()
$544
This American Airlines deal was found by Cheapflights users on 8/27. 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 11/28:00 am -
2 stops13h 47m
Tue 11/104:59 pm -
2 stops12h 30m
Deal found 8/27![American Airlines logo]()
$548
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 -
2 stops17h 12m
Tue 11/106:19 pm -
2 stops16h 06m
Deal found 8/26![Multiple Airlines logo]()
$575
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:29 am -
2 stops15h 57m
Thu 10/15:30 pm -
2 stops15h 51m
Deal found 8/26![Multiple Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 8/29. 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 10/66:04 am -
2 stops14h 17m
Mon 10/196:49 pm -
2 stops13h 48m
Deal found 8/29![American Airlines logo]()
$693
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 August 31, 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 August 31, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 9/206:08 pm -
1 stop21h 58m
Sun 9/2710:25 pm -
1 stop10h 56m
Deal found 8/27![Multiple Airlines logo]()
$539
This Southwest deal was found by Cheapflights users on 8/29. 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 10/315:05 am -
1 stop12h 30m
Mon 11/29:30 pm -
1 stop10h 30m
Deal found 8/29![Southwest logo]()
$544
This Delta deal was found by Cheapflights users on 8/26. 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 9/257:05 am -
2 stops17h 10m
Fri 10/210:10 pm -
2 stops16h 57m
Deal found 8/26![Delta logo]()
$555
This United Airlines deal was found by Cheapflights users on 8/27. 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 11/28:50 am -
2 stops17h 07m
Tue 11/1011:00 am -
3 stops27h 05m
Deal found 8/27![United Airlines logo]()
$827
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/312:46 pm -
3 stops14h 11m
Wed 10/71:51 pm -
2 stops17h 15m
Deal found 8/28![American Airlines logo]()
$964
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 10/207:02 am -
2 stops17h 40m
Fri 10/3012:15 pm -
2 stops22h 29m
Deal found 8/26![Multiple Airlines logo]()
$545
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 -
2 stops17h 12m
Tue 11/106:19 pm -
2 stops16h 06m
Deal found 8/26![Multiple Airlines logo]()
$575
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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 11/57:00 am -
2 stops16h 33m
Thu 11/1210:55 pm -
1 stop11h 30m
Deal found 8/30![Multiple Airlines logo]()
$600
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/267:02 am -
2 stops16h 26m
Thu 10/2910:21 pm -
1 stop12h 23m
Deal found 8/27![Multiple Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 8/26. 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 10/161:36 pm -
2 stops22h 28m
Sat 10/247:30 pm -
2 stops37h 43m
Deal found 8/26![United Airlines logo]()
$913
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 10/64:42 pm -
2 stops27h 39m
Mon 10/198:30 am -
2 stops34h 29m
Deal found 8/26![Multiple Airlines logo]()
$774
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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.
Sat 10/34:42 pm -
2 stops23h 03m
Wed 10/77:30 pm -
2 stops23h 29m
Deal found 8/29![Multiple Airlines logo]()
$876
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/164:42 pm -
2 stops21h 12m
Sat 10/247:30 pm -
2 stops23h 29m
Deal found 8/27![Multiple Airlines logo]()
$913
Last-minute flights from St. Louis to The Big IslandDiscover last-minute flight deals from St. Louis to The Big Island. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to The Big Island. Data last updated August 31, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/15:42 am -
2 stops13h 43m
Tue 9/86:49 pm -
2 stops13h 55m
Deal found 8/27![American Airlines logo]()
$728
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/105:00 am -
2 stops16h 00m
Thu 9/179:45 pm -
1 stop10h 59m
Deal found 8/27![American Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 8/27. 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 9/106:00 am -
2 stops16h 31m
Thu 9/1710:10 pm -
2 stops16h 48m
Deal found 8/27![Delta logo]()
$535
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/106:00 am -
2 stops18h 12m
Mon 9/146:49 pm -
2 stops13h 55m
Deal found 8/26![American Airlines logo]()
$785
This Southwest deal was found by Cheapflights users on 8/26. 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 9/105:55 am -
1 stop11h 40m
Mon 9/148:45 pm -
1 stop16h 05m
Deal found 8/26![Southwest logo]()
$790
This Priceline deal was found by Cheapflights users on 8/29. 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.
Sun 9/133:19 pm -
2 stops24h 36m
Thu 9/176:00 am -
2 stops12h 59m
Deal found 8/29![Multiple Airlines logo]()
$945
This Southwest deal was found by Cheapflights users on 8/29. 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 9/139:15 pm -
2 stops20h 20m
Thu 9/178:45 pm -
1 stop10h 20m
Deal found 8/29![Southwest logo]()
$1,101
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/205:43 am -
2 stops15h 17m
Sun 9/279:45 pm -
1 stop18h 07m
Deal found 8/26![American Airlines logo]()
$527
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 9/206:08 pm -
1 stop21h 58m
Sun 9/2710:25 pm -
1 stop10h 56m
Deal found 8/27![Multiple Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/218:00 am -
1 stop11h 03m
Sun 9/279:45 pm -
2 stops15h 19m
Deal found 8/27![American Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 8/26. 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 9/257:05 am -
2 stops17h 10m
Fri 10/210:10 pm -
2 stops16h 57m
Deal found 8/26![Delta logo]()
$555
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 9/293:19 pm -
2 stops20h 26m
Wed 9/301:28 pm -
2 stops19h 43m
Deal found 8/28![Multiple Airlines logo]()
$549
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 August 31, 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 August 31, 2026.
This Delta deal was found by Cheapflights users on 8/26. 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 9/226:15 am -
2 stops16h 16m
Deal found 8/26![Delta logo]()
$223
This CheapOair deal was found by Cheapflights users on 8/27. 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 9/226:08 pm -
1 stop21h 58m
Deal found 8/27![Multiple Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 8/30. 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 9/285:55 am -
1 stop11h 50m
Deal found 8/30![Southwest logo]()
$272
This Expedia deal was found by Cheapflights users on 8/30. 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 9/286:08 pm -
2 stops23h 08m
Deal found 8/30![Multiple Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 8/30. 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 9/308:46 am -
2 stops15h 29m
Deal found 8/30![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 8/30. 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 9/266:00 am -
2 stops16h 31m
Deal found 8/30![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 8/30. 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 9/258:46 am -
2 stops15h 29m
Deal found 8/30![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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 9/256:29 am -
1 stop11h 59m
Deal found 8/30![Alaska Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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 10/13:09 pm -
2 stops22h 36m
Deal found 8/30![Multiple Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 8/29. 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 9/226:30 am -
1 stop14h 30m
Deal found 8/29![American Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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.
Sat 10/104:42 pm -
2 stops24h 24m
Deal found 8/30![Multiple Airlines logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/117:02 am -
2 stops38h 17m
Deal found 8/27![Multiple Airlines logo]()
$662
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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $470 (American Airlines) |
One-way from | $223 (Delta) |
Popular in | June |
Cheapest in | November |
Average price | $669 |
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 7,457,451 searches. Data last updated August 31, 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 Lambert-St Louis - KOA Kona Intl
STLKOA
Lambert-St Louis
Sun 9/20
6:08 pm-11:06 am
1 stop21h 58m
Kona Intl
Sun 9/27
10:25 pm-2:21 pm
1 stop10h 56m
$539
Quickest round-trip
St. LouisKailua-Kona
STL Lambert-St Louis - KOA Kona Intl
STLKOA
Lambert-St Louis
Sat 10/31
5:05 am-12:35 pm
1 stop12h 30m
Kona Intl
Mon 11/2
9:30 pm-12:00 pm
1 stop10h 30m
$544
St. LouisKailua-Kona
STL Lambert-St Louis - KOA Kona Intl
STLKOA
Lambert-St Louis
Tue 10/20
7:02 am-7:42 pm
2 stops17h 40m
Kona Intl
Fri 10/30
12:15 pm-3:44 pm
2 stops22h 29m
$545
St. LouisKailua-Kona
STL Lambert-St Louis - KOA Kona Intl
STLKOA
Lambert-St Louis
Fri 9/25
7:05 am-7:15 pm
2 stops17h 10m
Kona Intl
Fri 10/2
10:10 pm-8:07 pm
2 stops16h 57m
$555
St. LouisHilo
STL Lambert-St Louis - ITO Hilo Intl
STLITO
Lambert-St Louis
Mon 11/2
7:00 am-8:12 pm
2 stops17h 12m
Hilo Intl
Tue 11/10
6:19 pm-2:25 pm
2 stops16h 06m
$575
St. LouisKailua-Kona
STL Lambert-St Louis - KOA Kona Intl
STLKOA
Lambert-St Louis
Thu 11/5
7:00 am-7:33 pm
2 stops16h 33m
Kona Intl
Thu 11/12
10:55 pm-2:25 pm
1 stop11h 30m
$600
St. LouisKailua-Kona
STL Lambert-St Louis - KOA Kona Intl
STLKOA
Lambert-St Louis
Mon 10/26
7:02 am-6:28 pm
2 stops16h 26m
Kona Intl
Thu 10/29
10:21 pm-3:44 pm
1 stop12h 23m
$610
St. LouisHilo
STL Lambert-St Louis - ITO Hilo Intl
STLITO
Lambert-St Louis
Tue 10/6
4:42 pm-3:21 pm
2 stops27h 39m
Hilo Intl
Mon 10/19
8:30 am-11:59 pm
2 stops34h 29m
$774
St. LouisHilo
STL Lambert-St Louis - ITO Hilo Intl
STLITO
Lambert-St Louis
Mon 11/2
8:50 am-9:57 pm
2 stops17h 07m
Hilo Intl
Tue 11/10
11:00 am-6:05 pm
3 stops27h 05m
$827
St. LouisHilo
STL Lambert-St Louis - ITO Hilo Intl
STLITO
Lambert-St Louis
Sat 10/3
4:42 pm-10:45 am
2 stops23h 03m
Hilo Intl
Wed 10/7
7:30 pm-11:59 pm
2 stops23h 29m
$876
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
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
What is the cheapest month to book a flight from St. Louis to The Big Island?
Currently, November is the cheapest month in which you can book a flight from St. Louis to The Big Island (average of $484). Flying from St. Louis to The Big Island in June is currently the most expensive (average of $1,017). 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 57 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 August 31, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, 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.
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to The Big Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to The Big Island
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to The Big Island by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to The Big Island by cabin class
Find flights from St. Louis to The Big Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and The Big Island flights
Browse other St. Louis and The Big Island flight options. Last updated on August 31, 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 7,457,451 searches. Data last updated August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$423 | Average$674 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$423 | Average$626 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$441 | Average$752 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$446 | Average$754 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$481 | Average$709 | FlexibilityNo cancel fee | On-time63% |