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Kailua-Kona

$406+ Cheap flights from St. Louis to Kailua-Kona (STL - KOA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KOA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Lambert-St Louis to Kona Intl are usually found in April or February, 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$406
(American Airlines)

Popular in

June

Cheapest in

April

Average price

$504
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
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($122 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 February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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 4/216:15 amSTL - KOA
1 stop10h 57mAmerican Airlines
Mon 4/289:16 pmKOA - STL
2 stops14h 20mAmerican Airlines
Deal found 2/19$418
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 10/182:55 pmSTL - KOA
1 stop11h 40mHawaiian Airlines
Fri 10/248:00 amKOA - STL
1 stop10h 56mHawaiian Airlines
Deal found 2/19$452
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 10/182:55 pmSTL - KOA
1 stop11h 40mAlaska Airlines
Fri 10/247:05 pmKOA - STL
2 stops13h 47mAlaska Airlines
Deal found 2/19$457
This Delta deal was found by Cheapflights users on 2/19. 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.
Sun 11/168:55 amSTL - KOA
2 stops14h 30mDelta
Thu 11/2010:45 pmKOA - STL
2 stops15h 18mDelta
Deal found 2/19$554
This United Airlines deal was found by Cheapflights users on 2/20. 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 7/96:09 amSTL - KOA
1 stop10h 17mUnited Airlines
Mon 7/1410:15 pmKOA - STL
2 stops15h 39mUnited Airlines
Deal found 2/20$606
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2112:15 pmSTL - KOA
3 stops38h 56mMultiple Airlines
Mon 4/288:51 amKOA - STL
3 stops27h 25mMultiple Airlines
Deal found 2/19$697
This Southwest deal was found by Cheapflights users on 2/20. 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 3/69:00 amSTL - KOA
2 stops13h 25mSouthwest
Thu 3/1310:00 amKOA - STL
2 stops18h 20mSouthwest
Deal found 2/20$717

Find flights from St. Louis to Kailua-Kona within your budget

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 February 20, 2025.

Fly from

St. Louis

Fly to

Kailua-Kona

Route

Depart

Return

Price

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 4/21

6:15 am-12:12 pm

1 stop10h 57m

Kona Intl

Mon 4/28

9:16 pm-4:36 pm

2 stops14h 20m

$418

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 4/21

6:00 am-5:39 pm

2 stops16h 39m

Kona Intl

Mon 4/28

8:20 pm-4:52 pm

2 stops15h 32m

$559

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 7/9

6:09 am-11:26 am

1 stop10h 17m

Kona Intl

Mon 7/14

10:15 pm-6:54 pm

2 stops15h 39m

$606

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 4/21

12:15 pm-10:11 pm

3 stops38h 56m

Kona Intl

Mon 4/28

8:51 am-5:16 pm

3 stops27h 25m

$697

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Thu 3/6

9:00 am-6:25 pm

2 stops13h 25m

Kona Intl

Thu 3/13

10:00 am-9:20 am

2 stops18h 20m

$717

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 7/8

7:23 am-9:35 pm

2 stops19h 12m

Kona Intl

Thu 7/17

12:00 pm-9:18 am

2 stops16h 18m

$804

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 6/18

6:29 am-9:35 pm

2 stops20h 06m

$483

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 6/18

6:00 am-11:26 am

1 stop10h 26m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 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.
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.

Travel insights for flights from St. Louis to Kailua-Kona

Get recent, data-driven insights about flights from St. Louis to Kailua-Kona including ideal travel times, pricing trends, and more.

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 February 14, 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 $621). 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 February 20, 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 February 20, 2025.
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 American Airlines is currently your cheapest option to Kailua-Kona, with prices starting at $406. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $444 and $487, respectively. American Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $621). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$389Average$652FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$389Average$719FlexibilityNo cancel feeOn-time69%
DeltaCheapest$394Average$550FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$394Average$636FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$576Average$748FlexibilityNo cancel feeOn-time63%
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