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$260+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
Jul 14 — Jul 211
Tue 7/14
Tue 7/21
1 adult, Economy
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Cheap flight deals from Kailua-Kona to St. Louis

Cheapest flights from Kailua-Kona to St. Louis
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 June 14, 2026.

This Delta deal was found by Cheapflights users on 6/13. 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 9/189:03 pm
KOA
-
STL
2 stops19h 18m
Delta
Tue 9/226:25 am
STL
-
KOA
2 stops16h 06m
Delta
Deal found 6/13$475
This Southwest deal was found by Cheapflights users on 6/13. 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 9/188:35 pm
KOA
-
STL
1 stop10h 05m
Southwest
Tue 9/225:35 am
STL
-
KOA
1 stop12h 05m
Southwest
Deal found 6/13$514
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 10/271:20 pm
KOA
-
STL
2 stops14h 17m
United Airlines
Wed 10/281:30 pm
STL
-
KOA
1 stop31h 11m
United Airlines
Deal found 6/11$580
This American Airlines deal was found by Cheapflights users on 6/13. 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 9/189:45 pm
KOA
-
STL
1 stop11h 01m
American Airlines
Tue 9/225:43 am
STL
-
KOA
2 stops15h 17m
American Airlines
Deal found 6/13$595
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 6/248:00 pm
KOA
-
STL
1 stop11h 42m
United Airlines
Fri 6/265:10 am
STL
-
KOA
2 stops12h 27m
United Airlines
Deal found 6/11$630
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.
Tue 8/252:03 pm
KOA
-
STL
2 stops16h 59m
United Airlines
Wed 8/265:30 pm
STL
-
KOA
2 stops24h 18m
United Airlines
Deal found 6/9$668

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 June 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$475
(Delta)

One-way from

$260
(American Airlines)
Provider with most accurate pricing for Kona Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kona Intl-Lambert-St Louis flights.
Search Deals
From Kona Intl to Lambert-St Louis
Search Deals
One-way flight from Kona Intl to Lambert-St Louis
Search Deals

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 June 14, 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

Price

Cheapest round-trip

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 10/27

1:20 pm-8:37 am

2 stops14h 17m

Lambert-St Louis

Wed 10/28

1:30 pm-12:00 pm

2 stops27h 30m

$584
Quickest round-trip

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 6/24

8:00 pm-12:42 pm

1 stop11h 42m

Lambert-St Louis

Fri 6/26

5:10 am-12:37 pm

2 stops12h 27m

$630

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 8/25

2:03 pm-12:02 pm

2 stops16h 59m

Lambert-St Louis

Wed 8/26

5:30 pm-12:48 pm

2 stops24h 18m

$668

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 6/24

6:30 pm-4:37 pm

2 stops17h 07m

Lambert-St Louis

Sun 6/28

6:02 am-4:28 pm

2 stops15h 26m

$740

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 8/25

10:25 pm-2:06 pm

1 stop10h 41m

Lambert-St Louis

Wed 8/26

6:08 pm-11:06 am

1 stop21h 58m

$741
Cheapest one-way
Quickest one-way

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Fri 6/19

8:03 am-11:59 pm

1 stop10h 56m

$332

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 7/2

8:50 pm-7:03 pm

2 stops17h 13m

$333

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Fri 6/19

10:50 pm-4:33 pm

2 stops12h 43m

$338

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 7/2

9:45 pm-11:58 pm

1 stop21h 13m

$341

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 6/25

9:45 pm-11:57 pm

1 stop21h 12m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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 June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

  • How long is the flight from Kailua-Kona to St. Louis?

    A quick flight from Kailua-Kona to St. Louis can take about 14h 17m. United Airlines provides one of the quickest options available for as low as $584. There are 4080 mi between Kailua-Kona and St. Louis.

  • Can I find deals for flights from Kailua-Kona to St. Louis that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kailua-Kona to St. Louis.

  • Can I find deals for business class flights from Kailua-Kona to St. Louis?

    Yes. Cheapflights offers flight deals from Kailua-Kona to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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