$191+ Cheap flights from St. Louis to Kailua-Kona (STL - KOA)
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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KOA
Jul 12 — Jul 191
Round-trip
1 adult, Economy
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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 St. Louis to Kailua-Kona
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to Kailua-KonaExplore the most affordable flight options available from St. Louis to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.
Explore the most affordable flight options available from St. Louis to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 11/39:13 am
STL
- KOA
1 stop11h 28m
United Airlines
Wed 11/118:30 pm
KOA
- STL
1 stop12h 13m
United Airlines
Deal found 6/11![United Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/25:10 am
STL
- KOA
2 stops12h 38m
United Airlines
Fri 9/118:00 pm
KOA
- STL
1 stop11h 40m
United Airlines
Deal found 6/11![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 9/107:30 am
STL
- KOA
2 stops16h 04m
Delta
Thu 9/179:03 pm
KOA
- STL
2 stops17h 41m
Delta
Deal found 6/9![Delta logo]()
$415
This Southwest deal was found by Cheapflights users on 6/9. 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.
Tue 11/36:30 am
STL
- KOA
1 stop11h 30m
Southwest
Wed 11/119:30 pm
KOA
- STL
1 stop10h 20m
Southwest
Deal found 6/9![Southwest logo]()
$419
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 10/206:30 am
STL
- KOA
2 stops17h 09m
Delta
Fri 10/308:40 pm
KOA
- STL
2 stops12h 51m
Delta
Deal found 6/9![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 8/308:00 am
STL
- KOA
1 stop10h 58m
American Airlines
Sun 9/139:45 pm
KOA
- STL
1 stop18h 07m
American Airlines
Deal found 6/10![American Airlines logo]()
$462
Best flights from St. Louis to Kailua-KonaDiscover carefully curated flight deals from St. Louis to Kailua-Kona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
Discover carefully curated flight deals from St. Louis to Kailua-Kona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 11/39:13 am
STL
- KOA
1 stop11h 28m
United Airlines
Wed 11/118:30 pm
KOA
- STL
1 stop12h 13m
United Airlines
Deal found 6/11![United Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sun 8/305:50 am
STL
- KOA
1 stop11h 50m
Southwest
Sun 8/308:35 pm
KOA
- STL
1 stop10h 30m
Southwest
Deal found 6/10![Southwest logo]()
$471
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 9/166:25 am
STL
- KOA
2 stops17h 58m
Delta
Mon 9/289:55 pm
KOA
- STL
2 stops13h 58m
Delta
Deal found 6/8![Delta logo]()
$475
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 9/107:36 pm
STL
- KOA
2 stops24h 03m
Multiple Airlines
Thu 9/1712:21 pm
KOA
- STL
1 stop23h 49m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$554
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:30 am
STL
- KOA
2 stops15h 40m
Southwest
Wed 11/119:30 pm
KOA
- STL
2 stops14h 30m
Southwest
Deal found 6/11![Southwest logo]()
$483
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 10/269:13 am
STL
- KOA
1 stop11h 28m
United Airlines
Wed 10/287:30 pm
KOA
- STL
1 stop12h 13m
United Airlines
Deal found 6/11![United Airlines logo]()
$510
This Southwest deal was found by Cheapflights users on 6/9. 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.
Thu 8/275:55 am
STL
- KOA
1 stop11h 45m
Southwest
Thu 9/38:35 pm
KOA
- STL
1 stop10h 30m
Southwest
Deal found 6/9![Southwest logo]()
$489
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/276:15 am
STL
- KOA
2 stops14h 28m
United Airlines
Fri 10/210:55 pm
KOA
- STL
2 stops12h 42m
United Airlines
Deal found 6/11![United Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:13 am
STL
- KOA
1 stop11h 28m
United Airlines
Wed 11/118:30 pm
KOA
- STL
1 stop12h 13m
United Airlines
Deal found 6/8![United Airlines logo]()
$554
Last-minute flights from St. Louis to Kailua-KonaDiscover last-minute flight deals from St. Louis to Kailua-Kona. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kailua-Kona. Data last updated June 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 6/111:38 pm
STL
- KOA
2 stops13h 07m
United Airlines
Wed 6/178:00 pm
KOA
- STL
1 stop11h 42m
United Airlines
Deal found 6/9![United Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 6/116:21 am
STL
- KOA
2 stops17h 56m
Delta
Wed 6/178:50 pm
KOA
- STL
2 stops17h 13m
Delta
Deal found 6/8![Delta logo]()
$615
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/129:06 am
STL
- KOA
1 stop11h 31m
United Airlines
Fri 6/198:00 pm
KOA
- STL
1 stop11h 42m
United Airlines
Deal found 6/11![United Airlines logo]()
$679
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/127:56 pm
STL
- KOA
2 stops21h 44m
Multiple Airlines
Fri 6/198:03 am
KOA
- STL
1 stop10h 56m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$685
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 6/247:56 pm
STL
- KOA
2 stops23h 43m
Multiple Airlines
Thu 7/29:19 pm
KOA
- STL
1 stop11h 33m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 6/242:50 pm
STL
- KOA
1 stop12h 20m
Alaska Airlines
Thu 7/29:19 pm
KOA
- STL
1 stop11h 33m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:11 am
STL
- KOA
1 stop11h 26m
United Airlines
Mon 7/1310:15 pm
KOA
- STL
2 stops15h 02m
United Airlines
Deal found 6/10![United Airlines logo]()
$600
This Expedia deal was found by Cheapflights users on 6/10. 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.
Sat 7/45:37 pm
STL
- KOA
1 stop22h 18m
Alaska Airlines
Mon 7/138:03 am
KOA
- STL
1 stop10h 56m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$680
This Expedia deal was found by Cheapflights users on 6/9. 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 7/185:37 pm
STL
- KOA
1 stop22h 18m
Alaska Airlines
Sat 7/2511:58 am
KOA
- STL
2 stops15h 39m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$675
One-way flights from St. Louis to Kailua-KonaSearch for one-way flight options from St. Louis to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
Search for one-way flight options from St. Louis to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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 10/59:45 pm
STL
- KOA
2 stops19h 35m
Southwest
Deal found 6/10![Southwest logo]()
$191
This Expedia deal was found by Cheapflights users on 6/10. 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.
Thu 10/13:19 pm
STL
- KOA
2 stops20h 26m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$261
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 10/236:30 am
STL
- KOA
1 stop12h 28m
American Airlines
Deal found 6/10![American Airlines logo]()
$291
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am
STL
- KOA
2 stops19h 50m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 10/47:00 am
STL
- KOA
2 stops17h 31m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 10/18:00 am
STL
- KOA
1 stop11h 02m
American Airlines
Deal found 6/10![American Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 6/198:49 am
STL
- KOA
2 stops15h 28m
Delta
Deal found 6/8![Delta logo]()
$353
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 10/56:34 pm
STL
- KOA
1 stop24h 24m
American Airlines
Deal found 6/10![American Airlines logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Fri 10/94:40 pm
STL
- KOA
2 stops19h 06m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:55 pm
STL
- KOA
1 stop16h 40m
Southwest
Deal found 6/8![Southwest logo]()
$397
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 10/96:34 pm
STL
- KOA
1 stop24h 24m
American Airlines
Deal found 6/10![American Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 10/104:40 pm
STL
- KOA
2 stops21h 56m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$427
Find flight deals from St. Louis to Kailua-Kona
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Kailua-Kona (KOA). 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 June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $360 (United Airlines) |
One-way from | $191 (Southwest) |
Popular in | June |
Cheapest in | November |
Average price | $985 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Kailua-Kona 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 June 12, 2026.
Use the filters below to find and compare flights from St. Louis to Kailua-Kona that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Tue 11/3
9:13 am-4:41 pm
1 stop11h 28m
Kona Intl
Wed 11/11
8:30 pm-12:43 pm
1 stop12h 13m
$360
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Sun 8/30
5:50 am-12:40 pm
1 stop11h 50m
Kona Intl
Sun 8/30
8:35 pm-12:05 pm
1 stop10h 30m
$471
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Wed 9/16
6:25 am-7:23 pm
2 stops17h 58m
Kona Intl
Mon 9/28
9:55 pm-4:53 pm
2 stops13h 58m
$475
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Tue 11/3
6:30 am-6:10 pm
2 stops15h 40m
Kona Intl
Wed 11/11
9:30 pm-4:00 pm
2 stops14h 30m
$483
Quickest round-trip
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Thu 8/27
5:55 am-12:40 pm
1 stop11h 45m
Kona Intl
Thu 9/3
8:35 pm-12:05 pm
1 stop10h 30m
$489
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Mon 10/26
9:13 am-3:41 pm
1 stop11h 28m
Kona Intl
Wed 10/28
7:30 pm-12:43 pm
1 stop12h 13m
$510
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Sun 9/27
6:15 am-3:43 pm
2 stops14h 28m
Kona Intl
Fri 10/2
10:55 pm-4:37 pm
2 stops12h 42m
$528
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Thu 9/10
7:36 pm-2:39 pm
2 stops24h 03m
Kona Intl
Thu 9/17
12:21 pm-5:10 pm
1 stop23h 49m
$554
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Tue 11/10
9:13 am-4:41 pm
1 stop11h 28m
Kona Intl
Wed 11/11
8:30 pm-12:43 pm
1 stop12h 13m
$554
Cheapest one-way
St. LouisKailua-Kona
STL - KOA
STLKOA
Lambert-St Louis
Thu 10/1
3:19 pm-6:45 am
2 stops20h 26m
$261
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Kailua-Kona
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 St. Louis to Kailua-Kona in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Kailua-Kona flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Kailua-Kona flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Kailua-Kona flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Kailua-Kona 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 St. Louis-Kailua-Kona 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 St. Louis to Kailua-Kona
Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona from St. Louis with our price prediction graph.
STL-KOA
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 Kailua-Kona
How far ahead should I book a flight from St. Louis to Kailua-Kona?
To ensure you get the cheapest price possible for a flight from St. Louis to Kailua-Kona, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from St. Louis to Kailua-Kona?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Kailua-Kona (average of $521). Flying from St. Louis to Kailua-Kona in June is currently the most expensive (average of $985). 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 much does it cost to fly round-trip from St. Louis to Kailua-Kona?
Reviews of airlines servicing Kailua-Kona
Get insights into the airlines that provide service to Kailua-Kona. 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 Kailua-Kona. Reviews last updated June 12, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from St. Louis to Kailua-Kona have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$423 | Average$692 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$423 | Average$625 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$441 | Average$721 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$446 | Average$715 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$481 | Average$649 | FlexibilityNo cancel fee | On-time63% |