$208+ Cheap flights from Kailua-Kona to St. Louis (KOA - STL)
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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
Sep 12 — Sep 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
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 August 13, 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 August 13, 2026.
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/88:00 pm -
1 stop11h 40m
Mon 9/149:00 am -
1 stop11h 43m
Deal found 8/9![United Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 8/12. 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 9/510:05 pm -
2 stops17h 33m
Sat 9/126:00 am -
2 stops18h 15m
Deal found 8/12![Delta logo]()
$550
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/106:00 am -
2 stops12h 59m
Mon 9/146:29 am -
1 stop11h 59m
Deal found 8/8![Multiple Airlines logo]()
$565
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/1010:25 pm -
1 stop10h 56m
Mon 9/146:29 am -
1 stop11h 59m
Deal found 8/8![Alaska Airlines logo]()
$604
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:21 pm -
1 stop23h 49m
Sun 8/306:08 pm -
1 stop21h 58m
Deal found 8/10![Multiple Airlines logo]()
$615
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 9/310:25 pm -
1 stop10h 39m
Mon 9/76:35 am -
1 stop11h 49m
Deal found 8/11![Alaska Airlines logo]()
$619
This American Airlines deal was found by Cheapflights users on 8/11. 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 8/179:45 pm -
2 stops15h 20m
Sun 8/238:00 am -
1 stop10h 58m
Deal found 8/11![American Airlines logo]()
$620
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/510:25 pm -
1 stop10h 39m
Sat 9/126:08 pm -
1 stop21h 58m
Deal found 8/12![Multiple Airlines logo]()
$629
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 August 13, 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/12. 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 9/510:05 pm -
2 stops17h 33m
Sat 9/126:00 am -
2 stops18h 15m
Deal found 8/12![Delta logo]()
$550
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/106:00 am -
2 stops12h 59m
Mon 9/146:29 am -
1 stop11h 59m
Deal found 8/8![Multiple Airlines logo]()
$565
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/1010:25 pm -
1 stop10h 56m
Mon 9/146:29 am -
1 stop11h 59m
Deal found 8/8![Alaska Airlines logo]()
$604
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/310:25 pm -
1 stop10h 39m
Mon 9/76:35 am -
1 stop11h 49m
Deal found 8/10![Alaska Airlines logo]()
$619
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:51 pm -
2 stops23h 19m
Sun 8/307:36 pm -
2 stops22h 43m
Deal found 8/10![Multiple Airlines logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 9/37:15 pm -
2 stops13h 49m
Mon 9/76:35 am -
1 stop11h 49m
Deal found 8/11![Multiple Airlines logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/510:25 pm -
1 stop10h 39m
Sat 9/126:08 pm -
1 stop21h 58m
Deal found 8/12![Multiple Airlines logo]()
$629
Last-minute flights from Kailua-Kona to St. LouisDiscover last-minute flight deals from Kailua-Kona to St. Louis. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to St. Louis. Data last updated August 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/11. 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 8/179:45 pm -
2 stops15h 20m
Sun 8/238:00 am -
1 stop10h 58m
Deal found 8/11![American Airlines logo]()
$620
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:21 pm -
1 stop23h 49m
Sun 8/306:08 pm -
1 stop21h 58m
Deal found 8/10![Multiple Airlines logo]()
$615
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 9/310:25 pm -
1 stop10h 39m
Mon 9/76:35 am -
1 stop11h 49m
Deal found 8/11![Alaska Airlines logo]()
$619
This Delta deal was found by Cheapflights users on 8/12. 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 9/510:05 pm -
2 stops17h 33m
Sat 9/126:00 am -
2 stops18h 15m
Deal found 8/12![Delta logo]()
$550
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/510:25 pm -
1 stop10h 39m
Sat 9/126:08 pm -
1 stop21h 58m
Deal found 8/12![Multiple Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/88:00 pm -
1 stop11h 40m
Mon 9/149:00 am -
1 stop11h 43m
Deal found 8/9![United Airlines logo]()
$544
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/106:00 am -
2 stops12h 59m
Mon 9/146:29 am -
1 stop11h 59m
Deal found 8/8![Multiple Airlines logo]()
$565
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 9/1010:25 pm -
1 stop10h 56m
Mon 9/146:29 am -
1 stop11h 59m
Deal found 8/8![Alaska Airlines logo]()
$604
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 August 13, 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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 10/229:06 pm -
2 stops15h 38m
Deal found 8/11![Delta logo]()
$208
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/88:00 pm -
1 stop11h 40m
Deal found 8/9![United Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 8/11. 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 10/2610:02 pm -
2 stops15h 13m
Deal found 8/11![Delta logo]()
$278
This Travelocity deal was found by Cheapflights users on 8/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:19 pm -
2 stops17h 02m
Deal found 8/9![Multiple Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 8/11. 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 10/239:06 pm -
2 stops19h 03m
Deal found 8/11![Delta logo]()
$328
This American Airlines deal was found by Cheapflights users on 8/11. 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 10/249:45 pm -
1 stop17h 58m
Deal found 8/11![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 8/11. 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 10/229:45 pm -
1 stop17h 58m
Deal found 8/11![American Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 10/2610:21 pm -
1 stop12h 23m
Deal found 8/11![Alaska Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 10/233:33 pm -
1 stop27h 13m
Deal found 8/11![American Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/257:25 pm -
2 stops15h 18m
Deal found 8/11![United Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 8/10. 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.
Mon 10/127:00 pm -
2 stops12h 25m
Deal found 8/10![Southwest logo]()
$373
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $544 (United Airlines) |
One-way from | $208 (Delta) |
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 2,558,603 searches. Data last updated August 13, 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
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Sat 9/5
10:05 pm-8:38 pm
2 stops17h 33m
Lambert-St Louis
Sat 9/12
6:00 am-7:15 pm
2 stops18h 15m
$550
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Thu 9/10
6:00 am-11:59 pm
2 stops12h 59m
Lambert-St Louis
Mon 9/14
6:29 am-1:28 pm
1 stop11h 59m
$565
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Thu 9/10
10:25 pm-2:21 pm
1 stop10h 56m
Lambert-St Louis
Mon 9/14
6:29 am-1:28 pm
1 stop11h 59m
$604
Quickest round-trip
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Thu 9/3
10:25 pm-2:04 pm
1 stop10h 39m
Lambert-St Louis
Mon 9/7
6:35 am-1:24 pm
1 stop11h 49m
$619
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Wed 8/26
12:51 pm-5:10 pm
2 stops23h 19m
Lambert-St Louis
Sun 8/30
7:36 pm-1:19 pm
2 stops22h 43m
$625
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Thu 9/3
7:15 pm-2:04 pm
2 stops13h 49m
Lambert-St Louis
Mon 9/7
6:35 am-1:24 pm
1 stop11h 49m
$625
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Sat 9/5
10:25 pm-2:04 pm
1 stop10h 39m
Lambert-St Louis
Sat 9/12
6:08 pm-11:06 am
1 stop21h 58m
$629
Cheapest one-way
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Thu 10/22
9:06 pm-5:44 pm
2 stops15h 38m
$208
Quickest one-way
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Tue 9/8
8:00 pm-12:40 pm
1 stop11h 40m
$272
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Tue 9/8
4:19 pm-2:21 pm
2 stops17h 02m
$293
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Kailua-Kona to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kailua-Kona to St. Louis in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kailua-Kona-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-St. Louis flight deals on Cheapflights vs. FlightHub >95% 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 FlightHub the most. FlightHub 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 locationsEdwardsville
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Kailua-Kona
Popular flights
St. Louis flight routes