$282+ Cheap flights from Kailua-Kona to St. Louis (KOA - STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Kailua-Kona to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kailua-Kona to St. Louis
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Best
Last-minute
One-way
Cheapest flights from Kailua-Kona to St. LouisExplore the most affordable flight options available from Kailua-Kona to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Kailua-Kona to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:21 pm -
1 stop23h 49m
Mon 9/287:36 pm -
1 stop22h 52m
Deal found 9/9![Multiple Airlines logo]()
$656
This Southwest deal was found by Cheapflights users on 9/9. 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.
Mon 9/216:05 am -
2 stops11h 40m
Tue 9/225:35 am -
1 stop12h 10m
Deal found 9/9![Southwest logo]()
$736
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/101:04 pm -
2 stops16h 06m
Sat 10/171:36 pm -
2 stops13h 13m
Deal found 9/9![United Airlines logo]()
$868
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:15 pm -
2 stops23h 44m
Sat 10/176:02 am -
1 stop20h 03m
Deal found 9/9![Multiple Airlines logo]()
$952
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/109:45 pm -
1 stop17h 58m
Sat 10/176:04 am -
1 stop14h 13m
Deal found 9/9![American Airlines logo]()
$1,061
Best flights from Kailua-Kona to St. LouisDiscover carefully curated flight deals from Kailua-Kona to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Kailua-Kona to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 2/211:29 pm -
1 stop11h 27m
Sat 2/63:54 pm -
1 stop29h 28m
Deal found 9/7![Alaska Airlines logo]()
$565
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 2/28:45 pm -
2 stops14h 11m
Sat 2/63:54 pm -
1 stop29h 28m
Deal found 9/7![Multiple Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 9/9. 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 2/28:25 pm -
2 stops14h 03m
Sat 2/65:45 pm -
2 stops24h 12m
Deal found 9/9![United Airlines logo]()
$726
This Southwest deal was found by Cheapflights users on 9/9. 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.
Mon 9/216:05 am -
2 stops11h 40m
Tue 9/225:35 am -
1 stop12h 10m
Deal found 9/9![Southwest logo]()
$736
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:21 pm -
1 stop23h 49m
Mon 9/287:36 pm -
1 stop22h 52m
Deal found 9/9![Multiple Airlines logo]()
$656
Last-minute flights from Kailua-Kona to St. LouisDiscover last-minute flight deals from Kailua-Kona to St. Louis. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to St. Louis. Data last updated September 11, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/9. 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.
Mon 9/216:05 am -
2 stops11h 40m
Tue 9/225:35 am -
1 stop12h 10m
Deal found 9/9![Southwest logo]()
$736
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:21 pm -
1 stop23h 49m
Mon 9/287:36 pm -
1 stop22h 52m
Deal found 9/9![Multiple Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/101:04 pm -
2 stops16h 06m
Sat 10/171:36 pm -
2 stops13h 13m
Deal found 9/9![United Airlines logo]()
$868
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:15 pm -
2 stops23h 44m
Sat 10/176:02 am -
1 stop20h 03m
Deal found 9/9![Multiple Airlines logo]()
$952
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/109:45 pm -
1 stop17h 58m
Sat 10/176:04 am -
1 stop14h 13m
Deal found 9/9![American Airlines logo]()
$1,061
One-way flights from Kailua-Kona to St. LouisSearch for one-way flight options from Kailua-Kona to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Kailua-Kona to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Southwest deal was found by Cheapflights users on 9/10. 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.
Tue 12/229:30 pm -
1 stop9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 9/10. 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 12/2310:45 pm -
2 stops19h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 12/236:57 pm -
1 stop10h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$357
Find flight deals from Kailua-Kona to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $565 (Alaska Airlines) |
One-way from | $282 (Southwest) |
Cheapflights Fare Finder
Customize your flight search to find flights from Kailua-Kona to St. Louis 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 September 11, 2026.
Use the filters below to find and compare flights from Kailua-Kona to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Tue 12/22
9:30 pm-11:05 am
1 stop9h 35m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$282
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Wed 12/23
6:57 pm-9:26 am
1 stop10h 29m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$357
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Tue 2/2
11:29 pm-2:56 pm
1 stop11h 27m
Lambert-St Louis
Sat 2/6
3:54 pm-5:22 pm
1 stop29h 28m
$565
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Tue 2/2
8:45 pm-2:56 pm
2 stops14h 11m
Lambert-St Louis
Sat 2/6
3:54 pm-5:22 pm
1 stop29h 28m
$571
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Thu 9/24
12:21 pm-5:10 pm
1 stop23h 49m
Lambert-St Louis
Mon 9/28
7:36 pm-1:28 pm
1 stop22h 52m
$656
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Tue 2/2
8:25 pm-2:28 pm
2 stops14h 03m
Lambert-St Louis
Sat 2/6
5:45 pm-1:57 pm
2 stops24h 12m
$726
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Mon 9/21
6:05 am-10:45 pm
2 stops11h 40m
Lambert-St Louis
Tue 9/22
5:35 am-12:45 pm
1 stop12h 10m
$736
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Kailua-Kona-St. Louis flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Kailua-Kona-St. Louis flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Kailua-Kona-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kailua-Kona-St. Louis flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Kailua-Kona to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Kailua-Kona with our price prediction graph.
KOA-STL
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.
Related info for your journey
Find useful and relevant information for your journey from Kailua-Kona to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
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Fenton
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Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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