HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$258+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
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 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 March 13, 2026.

This United Airlines deal was found by Cheapflights users on 3/9. 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 7/2810:15 pm
KOA
-
STL
2 stops13h 18m
United Airlines
Wed 9/168:35 am
STL
-
KOA
2 stops16h 00m
United Airlines
Deal found 3/9$518
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Thu 4/1612:55 pm
KOA
-
STL
2 stops14h 30m
United Airlines
Mon 4/208:54 am
STL
-
KOA
1 stop11h 36m
United Airlines
Deal found 3/8$568
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:10 pm
KOA
-
STL
1 stop11h 49m
American Airlines
Wed 3/257:58 am
STL
-
KOA
1 stop12h 16m
American Airlines
Deal found 3/12$574
This Travelocity deal was found by Cheapflights users on 3/9. 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 7/289:19 pm
KOA
-
STL
1 stop11h 36m
Alaska Airlines
Wed 9/166:20 pm
STL
-
KOA
1 stop21h 32m
Alaska Airlines
Deal found 3/9$579
This Travelocity deal was found by Cheapflights users on 3/9. 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 7/285:32 pm
KOA
-
STL
2 stops15h 23m
Multiple Airlines
Wed 9/166:20 pm
STL
-
KOA
1 stop21h 32m
Multiple Airlines
Deal found 3/9$585

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$518
(United Airlines)

One-way from

$258
(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 March 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

Price

Cheapest round-trip

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 7/28

10:15 pm-4:33 pm

2 stops13h 18m

Lambert-St Louis

Wed 9/16

8:35 am-7:35 pm

2 stops16h 00m

$518
Quickest round-trip

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 4/16

12:55 pm-8:25 am

2 stops14h 30m

Lambert-St Louis

Mon 4/20

8:54 am-3:30 pm

1 stop11h 36m

$568
Cheapest one-way

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 4/14

9:55 pm-5:21 pm

2 stops14h 26m

$258

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 6/9

10:15 pm-5:42 pm

2 stops14h 27m

$273

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 8/3

5:04 pm-4:33 pm

2 stops18h 29m

$278
Quickest one-way

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 6/15

9:19 pm-1:55 pm

1 stop11h 36m

$282

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 8/3

10:15 pm-4:33 pm

2 stops13h 18m

$308

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 7/2

9:45 pm-11:59 pm

1 stop21h 14m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

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 March.
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 13h 18m. United Airlines provides one of the quickest options available for as low as $518. 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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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 for Kailua-Kona to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Honolulu to Kansas City flights
Honolulu to St. Louis flights
Kailua-Kona to Kansas City flights
Honolulu to Springfield flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights