$253+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
Oct 7 — Oct 141
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 September 7, 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 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/1910:25 pm -
1 stop10h 56m
Wed 9/236:29 am -
2 stops15h 44m
Deal found 9/4![Multiple Airlines logo]()
$775
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/1910:25 pm -
1 stop10h 56m
Wed 9/236:29 am -
1 stop11h 59m
Deal found 9/4![Alaska Airlines logo]()
$818
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 7, 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 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 2/211:29 pm -
1 stop11h 27m
Sat 2/63:54 pm -
1 stop29h 28m
Deal found 9/6![Alaska Airlines logo]()
$565
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 2/28:45 pm -
2 stops14h 11m
Sat 2/63:54 pm -
1 stop29h 28m
Deal found 9/6![Multiple Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 2/28:25 pm -
1 stop12h 18m
Sat 2/65:45 pm -
2 stops22h 17m
Deal found 9/3![United Airlines logo]()
$699
Last-minute flights from Kailua-Kona to St. LouisDiscover last-minute flight deals from Kailua-Kona to St. Louis. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to St. Louis. Data last updated September 7, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/1910:25 pm -
1 stop10h 56m
Wed 9/236:29 am -
2 stops15h 44m
Deal found 9/4![Multiple Airlines logo]()
$775
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/1910:25 pm -
1 stop10h 56m
Wed 9/236:29 am -
1 stop11h 59m
Deal found 9/4![Alaska Airlines logo]()
$818
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 7, 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 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 11/142:14 pm -
2 stops14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 9/4. 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.
Mon 1/1110:45 pm -
2 stops18h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 1/1111:29 pm -
1 stop11h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Alaska Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:09 pm -
1 stop21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 9/4. 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.
Sat 11/149:30 pm -
1 stop10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:06 pm -
2 stops19h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$448
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:33 pm -
2 stops12h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/248:45 pm -
2 stops37h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$524
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/2410:21 pm -
1 stop12h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$939
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 7, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $565 (Alaska Airlines) |
One-way from | $253 (United Airlines) |
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 7, 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 11/14
2:14 pm-8:55 am
2 stops14h 41m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$253
Quickest round-trip
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Mon 1/11
11:29 pm-2:56 pm
1 stop11h 27m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$309
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Fri 11/20
10:09 pm-11:49 pm
1 stop21h 40m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$311
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Sat 10/24
9:06 pm-9:23 pm
2 stops19h 17m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$448
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Sat 10/24
8:45 pm-3:44 pm
2 stops37h 59m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$524
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
Tue 2/2
8:25 pm-12:43 pm
1 stop12h 18m
Lambert-St Louis
Sat 2/6
5:45 pm-12:02 pm
2 stops22h 17m
$699
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Sat 10/24
10:21 pm-3:44 pm
1 stop12h 23m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$939
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 locationsEdwardsville
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
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