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

Alaska Airlines, at $437, was found to be the cheapest airline from Kailua-Kona to St. Louis.Alternate airlines to your destination round-trip include American Airlines and Delta.

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

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $207. However, be on the lookout for offers from Southwest and Alaska Airlines, as they are both options that can get you from Kailua-Kona to St. Louis for a low price.

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

Currently, August is the cheapest month in which you can book a flight from Kailua-Kona to St. Louis (average of $311). Flying from Kailua-Kona to St. Louis in March is currently the most expensive (average of $356). 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 day to fly from Kailua-Kona to St. Louis?

Travelers seeking maximum savings on their Kailua-Kona to St. Louis flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Travelers have found that booking a Tuesday departure is the best way to save up to 490% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kailua-Kona to St. Louis as you normally would.

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.

$207+ Flights from Kailua-Kona to St. Louis

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Cheap flight deals from Kailua-Kona to St. Louis

Round-trip from	$437 (Alaska Airlines)
One-way from	$207 (American Airlines)

From Kona Intl to Lambert-St Louis

Search Deals

One-way flight from Kona Intl to Lambert-St Louis

Search Deals

Find 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 12, 2025.

Thu 8/289:32 pmKOA - STL

1 stop12h 07mAlaska Airlines

Tue 9/26:00 amSTL - KOA

2 stops16h 43mAlaska Airlines

Deal found 6/10

$437

Mon 8/259:40 pmKOA - STL

2 stops14h 07mAmerican Airlines

Fri 9/57:55 amSTL - KOA

1 stop11h 30mAmerican Airlines

Deal found 6/12

$486

Sun 8/249:47 pmKOA - STL

2 stops15h 00mDelta

Thu 9/46:00 amSTL - KOA

2 stops18h 00mDelta

Deal found 6/10

$556

Thu 8/287:40 pmKOA - STL

2 stops15h 04mUnited Airlines

Wed 9/39:17 amSTL - KOA

2 stops15h 07mUnited Airlines

Deal found 6/10

$572

Best flights from Kailua-Kona to St. Louis
Discover carefully curated flight deals from Kailua-Kona to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Thu 8/289:32 pmKOA - STL

1 stop12h 07mAlaska Airlines

Tue 9/26:00 amSTL - KOA

2 stops16h 43mAlaska Airlines

Deal found 6/10

$437

Mon 8/259:40 pmKOA - STL

2 stops14h 07mAmerican Airlines

Fri 9/57:55 amSTL - KOA

1 stop11h 30mAmerican Airlines

Deal found 6/12

$486

Sun 8/249:47 pmKOA - STL

2 stops15h 00mDelta

Thu 9/46:00 amSTL - KOA

2 stops18h 00mDelta

Deal found 6/10

$556

Thu 8/287:40 pmKOA - STL

2 stops15h 04mUnited Airlines

Wed 9/39:17 amSTL - KOA

2 stops15h 07mUnited Airlines

Deal found 6/10

$572

Last-minute flights from Kailua-Kona to St. Louis
Discover last-minute flight deals from Kailua-Kona to St. Louis. Data last updated June 12, 2025 and is based on user searches.

Sun 6/158:00 amKOA - STL

1 stop10h 59mAlaska Airlines

Fri 6/207:32 pmSTL - KOA

1 stop23h 08mAlaska Airlines

Deal found 6/10

$694

Sun 6/159:25 pmKOA - STL

2 stops13h 17mAmerican Airlines

Fri 6/205:37 amSTL - KOA

2 stops13h 47mAmerican Airlines

Deal found 6/10

$892

Wed 6/189:25 pmKOA - STL

1 stop21h 34mAmerican Airlines

Mon 6/235:37 amSTL - KOA

2 stops13h 18mAmerican Airlines

Deal found 6/12

$777

Wed 6/181:05 pmKOA - STL

1 stop10h 58mUnited Airlines

Mon 6/238:10 amSTL - KOA

2 stops16h 53mUnited Airlines

Deal found 6/9

$789

Wed 6/257:40 pmKOA - STL

1 stop12h 06mUnited Airlines

Sat 6/286:00 amSTL - KOA

1 stop10h 31mUnited Airlines

Deal found 6/11

$607

One-way flights from Kailua-Kona to St. Louis
Search for one-way flight options from Kailua-Kona to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Thu 10/231:52 pmKOA - STL

2 stops13h 04mAmerican Airlines

Deal found 6/12

$207

Thu 10/238:30 pmKOA - STL

1 stop12h 15mSouthwest

Deal found 6/12

$247

Tue 6/178:00 amKOA - STL

1 stop10h 59mAlaska Airlines

Deal found 6/10

$271

Wed 7/1610:50 pmKOA - STL

1 stop12h 55mUnited Airlines

Deal found 6/10

$281

Wed 6/258:35 pmKOA - STL

2 stops11h 55mDelta

Deal found 6/12

$306

Cheapflights Fare Finder

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

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 8/28

9:32 pm-2:39 pm

1 stop12h 07m

Lambert-St Louis

Tue 9/2

6:00 am-5:43 pm

2 stops16h 43m

$437

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 8/25

9:40 pm-4:47 pm

2 stops14h 07m

Lambert-St Louis

Fri 9/5

7:55 am-2:25 pm

1 stop11h 30m

$486

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sun 8/24

9:47 pm-5:47 pm

2 stops15h 00m

Lambert-St Louis

Thu 9/4

6:00 am-7:00 pm

2 stops18h 00m

$556

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 8/28

7:40 pm-3:44 pm

2 stops15h 04m

Lambert-St Louis

Wed 9/3

9:17 am-7:24 pm

2 stops15h 07m

$572

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 10/23

1:52 pm-7:56 am

2 stops13h 04m

$207

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 10/23

8:30 pm-1:45 pm

1 stop12h 15m

$247

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 6/17

8:00 am-11:59 pm

1 stop10h 59m

$271

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 7/16

10:50 pm-4:45 pm

1 stop12h 55m

$281

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 6/25

8:35 pm-1:30 pm

2 stops11h 55m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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.

Cheapflights Insights

Everything you need to know about your flight from Kailua-Kona to St. Louis

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

To help decide which airline to fly from Kailua-Kona to St. Louis, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,287 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,950 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,790 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Kailua-Kona to St. Louis round-trip?
Alaska Airlines, at $437, was found to be the cheapest airline from Kailua-Kona to St. Louis.Alternate airlines to your destination round-trip include American Airlines and Delta.
What are the cheapest airlines to fly from Kailua-Kona to St. Louis one-way?
The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $207. However, be on the lookout for offers from Southwest and Alaska Airlines, as they are both options that can get you from Kailua-Kona to St. Louis for a low price.
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.
What is the cheapest month to book a flight from Kailua-Kona to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Kailua-Kona to St. Louis (average of $311). Flying from Kailua-Kona to St. Louis in March is currently the most expensive (average of $356). 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

O'Fallon

Maryland Heights

Fairview Heights

Collinsville

Eureka

St. Peters

Glencoe

Festus

Alton

Farmington

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$207+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kailua-Kona to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kailua-Kona to St. Louis

Round-trip from

One-way from

Find flight deals from Kailua-Kona to St. Louis

Cheapest flights from Kailua-Kona to St. LouisExplore 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 12, 2025.

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 12, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Kailua-Kona to St. Louis

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

To help decide which airline to fly from Kailua-Kona to St. Louis, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

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

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

Traveling to a place near Kailua-Kona?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kailua-Kona to St. Louis

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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 12, 2025.