$289+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
Dec 10 — Dec 171
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 November 10, 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 November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 12/229:44 pm -
1 stop12h 15m
Tue 12/297:35 am -
1 stop14h 53m
Deal found 11/10![American Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:23 pm -
2 stops15h 22m
Wed 12/92:50 pm -
1 stop29h 49m
Deal found 11/5![United Airlines logo]()
$776
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 November 10, 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 November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 12/229:44 pm -
1 stop12h 15m
Tue 12/297:35 am -
1 stop14h 53m
Deal found 11/10![American Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:23 pm -
2 stops15h 22m
Wed 12/92:50 pm -
2 stops26h 12m
Deal found 11/5![United Airlines logo]()
$781
Last-minute flights from Kailua-Kona to St. LouisDiscover last-minute flight deals from Kailua-Kona to St. Louis. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to St. Louis. Data last updated November 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:23 pm -
2 stops15h 22m
Wed 12/92:50 pm -
1 stop29h 49m
Deal found 11/5![United Airlines logo]()
$776
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 12/229:44 pm -
1 stop12h 15m
Tue 12/297:35 am -
1 stop14h 53m
Deal found 11/10![American Airlines logo]()
$769
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 November 10, 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 November 10, 2026.
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/288:40 pm -
1 stop12h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 11/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/283:00 pm -
2 stops14h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![American Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 11/6. 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.
Sun 3/147:55 pm -
1 stop12h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Delta logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/282:20 pm -
3 stops46h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 11/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/19:40 pm -
2 stops17h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Delta logo]()
$1,368
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Fri 1/19:44 pm -
1 stop22h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![American Airlines logo]()
$1,900
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/14:53 pm -
3 stops51h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$6,410
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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $769 (American Airlines) |
One-way from | $289 (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 7,457,451 searches. Data last updated November 10, 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
Sun 2/28
8:40 pm-1:22 pm
1 stop12h 42m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$289
Quickest round-trip
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Sun 3/14
7:55 pm-1:23 pm
1 stop12h 28m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$342
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Tue 12/22
9:44 pm-1:59 pm
1 stop12h 15m
Lambert-St Louis
Tue 12/29
7:35 am-6:28 pm
1 stop14h 53m
$769
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Tue 12/8
2:23 pm-9:45 am
2 stops15h 22m
Lambert-St Louis
Wed 12/9
2:50 pm-1:02 pm
2 stops26h 12m
$781
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Fri 1/1
9:40 pm-6:56 pm
2 stops17h 16m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$1,368
Kailua-KonaSt. Louis
KOA Kona Intl - STL Lambert-St Louis
KOASTL
Kona Intl
Fri 1/1
4:53 pm-11:59 pm
3 stops51h 06m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$6,410
Sorted 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 November.
| 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 locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Chesterfield
Edwardsville
Glencoe
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