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Kailua-Kona

$211+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KOA
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Kona Intl are usually found in November or April, booked 63 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 abril 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(United Airlines)

One-way from

$211
(American Airlines)

Popular in

July

Cheapest in

November

Average price

$492
Provider with most accurate pricing for Lambert-St Louis-Kona Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Kona Intl flights.
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From Lambert-St Louis to Kona Intl
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One-way flight from Lambert-St Louis to Kona Intl
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Highest demand for flights based on searches. 16% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from St. Louis to Kailua-Kona

Cheapest flights from St. Louis to Kailua-Kona
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 abril 15, 2025.

This American Airlines deal was found by Cheapflights users on 4/15. 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.
dom. 11/166:15 amSTL - KOA
1 stop12h 49mAmerican Airlines
jue. 11/206:30 pmKOA - STL
1 stop13h 14mAmerican Airlines
Deal found 4/15$421
This Delta deal was found by Cheapflights users on 4/14. 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.
sáb. 9/66:00 amSTL - KOA
2 stops17h 25mDelta
lun. 9/158:40 pmKOA - STL
2 stops16h 22mDelta
Deal found 4/14$432
This United Airlines deal was found by Cheapflights users on 4/15. 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.
lun. 5/58:48 amSTL - KOA
1 stop11h 47mUnited Airlines
lun. 5/127:35 pmKOA - STL
1 stop12h 10mUnited Airlines
Deal found 4/15$462
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
lun. 9/83:17 pmSTL - KOA
1 stop11h 52mAlaska Airlines
mar. 9/168:00 amKOA - STL
1 stop10h 59mAlaska Airlines
Deal found 4/14$521
This Hawaiian Airlines deal was found by Cheapflights users on 4/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/203:03 pmSTL - KOA
1 stop12h 12mHawaiian Airlines
dom. 6/19:44 pmKOA - STL
1 stop11h 23mHawaiian Airlines
Deal found 4/15$751
This Southwest deal was found by Cheapflights users on 4/15. 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.
dom. 4/205:15 amSTL - KOA
2 stops12h 40mSouthwest
dom. 4/278:30 pmKOA - STL
2 stops13h 50mSouthwest
Deal found 4/15$850

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 abril 15, 2025.
Use the filters below to find and compare flights from St. Louis to Kailua-Kona that are best for you.

Fly from

St. Louis

Fly to

Kailua-Kona

Route

Depart

Return

Price

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 5/5

6:52 am-12:17 pm

1 stop10h 25m

Kona Intl

lun. 5/12

1:47 pm-9:49 am

2 stops15h 02m

$427

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 5/5

6:00 am-6:42 pm

2 stops17h 42m

Kona Intl

lun. 5/12

8:38 pm-3:00 pm

2 stops13h 22m

$454

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 5/5

8:48 am-3:35 pm

1 stop11h 47m

Kona Intl

lun. 5/12

7:35 pm-12:45 pm

1 stop12h 10m

$462

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

vie. 5/16

3:03 pm-10:15 pm

1 stop12h 12m

Kona Intl

dom. 5/18

6:00 am-12:04 am

2 stops13h 04m

$646

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mar. 5/20

3:03 pm-10:15 pm

1 stop12h 12m

Kona Intl

dom. 6/1

9:44 pm-2:07 pm

1 stop11h 23m

$751

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

dom. 4/20

5:15 am-12:55 pm

2 stops12h 40m

Kona Intl

dom. 4/27

8:30 pm-3:20 pm

2 stops13h 50m

$850

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 5/5

6:52 am-12:17 pm

1 stop10h 25m

$211

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 5/5

6:00 am-5:39 pm

2 stops16h 39m

$227

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mié. 6/18

5:20 am-3:19 pm

1 stop14h 59m

$393

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

jue. 6/19

7:32 pm-10:04 pm

1 stop31h 32m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
FlightsMojoPrice Accuracy-Trust 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 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 eDreams the most. eDreams 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.
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?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Kailua-Kona. Price data was last updated on April 11, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to Kailua-Kona, you should look to book at least 63 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, October is the cheapest month in which you can book a flight from St. Louis to Kailua-Kona (average of $409). Flying from St. Louis to Kailua-Kona in June is currently the most expensive (average of $624). 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.

What is the cheapest time of day to fly from STL to KOA?

Find hourly flight availability from St. Louis to Kailua-Kona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 15, 2025.

It’s optimal to fly from St. Louis to Kailua-Kona in the evening. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Kailua-Kona by month

Plan your trip to Kailua-Kona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kailua-Kona ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Kailua-Kona when rainfall is around 1.6 in.

Temperature in Kailua-Kona by month

Plan your trip to Kailua-Kona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kailua-Kona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

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 abril 15, 2025.
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Kailua-Kona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Kailua-Kona round-trip?

    Flying on United Airlines is currently your cheapest option to Kailua-Kona, with prices starting at $421. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $454 and $542, respectively. United Airlines is 29% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Kailua-Kona one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $211. Delta flights start at $227 while deals on United Airlines start at $393 one-way.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from St. Louis to Kailua-Kona?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Kailua-Kona (average of $409). Flying from St. Louis to Kailua-Kona in June is currently the most expensive (average of $624). 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.

See more FAQs

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Top 5 airlines flying from St. Louis to Kailua-Kona

Discover the top 5 airlines that operate flights from St. Louis to Kailua-Kona. 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$389Average$602FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$389Average$719FlexibilityNo cancel feeOn-time69%
DeltaCheapest$394Average$550FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$394Average$581FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$576Average$754FlexibilityNo cancel feeOn-time63%

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