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St. Louis

$218+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 3/64:28 pm
KOA
-
STL
2 stops12h 53m
United Airlines
Tue 3/249:00 am
STL
-
KOA
1 stop11h 34m
United Airlines
Deal found 1/26$429
This American Airlines deal was found by Cheapflights users on 1/26. 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 3/610:40 pm
KOA
-
STL
1 stop21h 19m
American Airlines
Tue 3/247:00 am
STL
-
KOA
1 stop12h 22m
American Airlines
Deal found 1/26$491
This Delta deal was found by Cheapflights users on 1/27. 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 2/128:55 pm
KOA
-
STL
1 stop12h 37m
Delta
Mon 2/167:00 am
STL
-
KOA
1 stop12h 51m
Delta
Deal found 1/27$514
This Delta deal was found by Cheapflights users on 1/26. 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 4/18:55 pm
KOA
-
STL
2 stops15h 12m
Delta
Wed 4/157:02 am
STL
-
KOA
2 stops17h 01m
Delta
Deal found 1/26$516
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/128:55 pm
KOA
-
STL
2 stops15h 07m
United Airlines
Mon 2/168:41 am
STL
-
KOA
1 stop11h 53m
United Airlines
Deal found 1/27$520
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/1210:40 pm
KOA
-
STL
2 stops14h 33m
American Airlines
Mon 2/167:00 am
STL
-
KOA
2 stops15h 59m
American Airlines
Deal found 1/27$545
This Expedia deal was found by Cheapflights users on 1/26. 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.
Wed 4/110:07 pm
KOA
-
STL
1 stop12h 13m
Alaska Airlines
Wed 4/153:50 pm
STL
-
KOA
1 stop11h 37m
Alaska Airlines
Deal found 1/26$554
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/188:55 pm
KOA
-
STL
1 stop12h 19m
United Airlines
Sun 2/222:45 pm
STL
-
KOA
1 stop29h 49m
United Airlines
Deal found 1/25$625

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$429
(United Airlines)

One-way from

$218
(Delta)
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
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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 January 28, 2026.
Use the filters below to find and compare flights from Kailua-Kona to St. Louis that are best for you.

Fly from

Kailua-Kona

Fly to

St. Louis

Route

Depart

Return

Price

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Fri 3/6

4:28 pm-9:21 am

2 stops12h 53m

Lambert-St Louis

Tue 3/24

9:00 am-3:34 pm

1 stop11h 34m

$429

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Fri 3/6

10:40 pm-11:59 pm

1 stop21h 19m

Lambert-St Louis

Tue 3/24

7:00 am-2:22 pm

1 stop12h 22m

$491

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 2/12

8:55 pm-1:32 pm

1 stop12h 37m

Lambert-St Louis

Mon 2/16

7:00 am-3:51 pm

1 stop12h 51m

$514

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 4/1

8:55 pm-5:07 pm

2 stops15h 12m

Lambert-St Louis

Wed 4/15

7:02 am-7:03 pm

2 stops17h 01m

$516

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 4/1

3:30 pm-3:20 pm

2 stops18h 50m

Lambert-St Louis

Wed 4/15

7:00 am-5:31 pm

1 stop15h 31m

$520

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 2/12

8:55 pm-4:02 pm

2 stops15h 07m

Lambert-St Louis

Mon 2/16

8:41 am-4:34 pm

1 stop11h 53m

$520

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 2/12

10:40 pm-5:13 pm

2 stops14h 33m

Lambert-St Louis

Mon 2/16

7:00 am-6:59 pm

2 stops15h 59m

$545

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 4/1

10:07 pm-3:20 pm

1 stop12h 13m

Lambert-St Louis

Wed 4/15

3:50 pm-10:27 pm

1 stop11h 37m

$554

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 2/18

8:55 pm-1:14 pm

1 stop12h 19m

Lambert-St Louis

Sun 2/22

2:45 pm-4:34 pm

1 stop29h 49m

$625

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 3/25

10:15 pm-5:07 pm

2 stops13h 52m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 17 results
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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 January.
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.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated January 28, 2026.
Get a feel of what it's like to fly with United Airlines from Kailua-Kona to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,209 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,209 reviews
United Airlines
7.4
Good
9,209 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 12h 37m. United Airlines provides one of the quickest options available for as low as $514. There are 4080 mi between Kailua-Kona and St. Louis. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Kailua-Kona to St. Louis round-trip?

    United Airlines, at $541, was found to be the cheapest airline from Kailua-Kona to 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Kailua-Kona to St. Louis

Discover the top airline that operate flights from Kailua-Kona to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$541Average$641FlexibilityNo cancel feeOn-time69%

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