Which layover airport has the shortest connection time from St. Louis to Kailua-Kona?

Seattle (SEA) has the shortest average layover time for this route: 2h 10m.

What is the cheapest airline that flies from Lambert-St Louis to Kona Intl?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Lambert-St Louis to Kona Intl

Which airport is the most popular layover for flights between St. Louis and Kailua-Kona?

Seattle (SEA) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from St. Louis to Kailua-Kona?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $509.

What airlines fly to Kailua-Kona?

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Kailua-Kona from St. Louis according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Kailua-Kona. Keep in mind that there are 5 different airlines that fly to Kailua-Kona on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from St. Louis to Kailua-Kona?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 11h 30m.

When did momondo last update prices for flights from Lambert-St Louis Airport to Kona Intl Airport?

Prices for flights from Lambert-St Louis Airport to Kona Intl Airport were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to Kona Intl Airport?

There are 5 operators available for flights from Lambert-St Louis Airport to Kona Intl Airport as of March 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Kona Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Kona Intl Airport.

What documentation or ID do you need to fly to Kona Intl Airport?

The necessary travel and health documents for your Kona Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$228 Cheap Flights from St. Louis to Kailua-Kona in 2026

Q: What is the typical price of a round-trip flight between St. Louis and Kailua-Kona?

Prices are currently low for flights on this route. Typical prices usually range from $722 to $473. The lowest price recently found on this route was $455.

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Find the cheapest flights from St. Louis to Kailua-Kona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 5:43 pm

STL

KOA

16h 43m

2 stops

8:50 pm - 7:03 pm

KOA

STL

17h 13m

2 stops

$455Delta

Tue, May 5 - Tue, May 12

8:54 am - 3:30 pm

STL

KOA

11h 36m

1 stop

12:02 pm - 5:47 am

KOA

STL

12h 45m

1 stop

$464United Airlines

Mon, Apr 27 - Wed, May 6

8:54 am - 3:30 pm

STL

KOA

11h 36m

1 stop

7:30 pm - 1:08 pm

KOA

STL

12h 38m

1 stop

$469United Airlines

Tue, Apr 21 - Tue, Apr 28

8:54 am - 3:30 pm

STL

KOA

11h 36m

1 stop

1:15 pm - 9:30 am

KOA

STL

15h 15m

2 stops

$470United Airlines

Mon, Apr 27 - Wed, May 6

8:54 am - 3:30 pm

STL

KOA

11h 36m

1 stop

12:55 pm - 9:25 am

KOA

STL

15h 30m

2 stops

$475United Airlines

Tue, Apr 21 - Tue, Apr 28

6:45 am - 7:03 pm

STL

KOA

17h 18m

2 stops

8:50 pm - 7:03 pm

KOA

STL

17h 13m

2 stops

$480Delta

Sun, May 3 - Mon, May 11

6:00 am - 7:20 pm

STL

KOA

18h 20m

2 stops

8:50 pm - 7:03 pm

KOA

STL

17h 13m

2 stops

$485Delta

Thu, May 7 - Thu, May 14

8:54 am - 3:30 pm

STL

KOA

11h 36m

1 stop

12:02 pm - 5:47 am

KOA

STL

12h 45m

1 stop

$489United Airlines

Sun, Apr 26 - Wed, May 6

8:54 am - 3:30 pm

STL

KOA

11h 36m

1 stop

1:15 pm - 9:30 am

KOA

STL

15h 15m

2 stops

$495United Airlines

Sun, Apr 26 - Wed, May 6

6:30 am - 3:30 pm

STL

KOA

14h 00m

2 stops

12:55 pm - 8:25 am

KOA

STL

14h 30m

2 stops

$500United Airlines

Tue, Apr 21 - Tue, Apr 28

American Airlines flights from St. Louis to Kailua-Kona

Our best American Airlines deals on St. Louis to Kailua-Kona flight tickets

American Airlines

Apr 14

STL5:20 amLambert-St Louis

14h 06m

2 stops

KOA2:26 pmKona Intl

Apr 21

KOA1:22 pmKona Intl

14h 32m

2 stops

STL8:54 amLambert-St Louis

$545

American Airlines

Sep 15

STL6:30 amLambert-St Louis

12h 13m

1 stop

KOA1:43 pmKona Intl

Sep 20

KOA11:01 pmKona Intl

13h 14m

1 stop

STL5:15 pmLambert-St Louis

$551

American Airlines

Sep 14

STL5:40 amLambert-St Louis

13h 03m

2 stops

KOA1:43 pmKona Intl

Sep 19

KOA11:01 pmKona Intl

19h 49m

1 stop

STL11:50 pmLambert-St Louis

$556

Alaska Airlines flights from St. Louis to Kailua-Kona

Our best Alaska Airlines deals on St. Louis to Kailua-Kona flight tickets

Alaska Airlines

Sep 22

STL9:46 amLambert-St Louis

17h 21m

2 stops

KOA10:07 pmKona Intl

Sep 23

KOA9:30 pmKona Intl

17h 16m

2 stops

STL7:46 pmLambert-St Louis

$555

Alaska Airlines

May 26

STL5:33 pmLambert-St Louis

22h 13m

1 stop

KOA10:46 amKona Intl

Jun 2

KOA11:56 amKona Intl

23h 41m

1 stop

STL4:37 pmLambert-St Louis

$590

Alaska Airlines

Sep 14

STL6:06 amLambert-St Louis

20h 11m

2 stops

KOA9:17 pmKona Intl

Sep 19

KOA10:25 pmKona Intl

18h 35m

2 stops

STL10:00 pmLambert-St Louis

$604

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 5/5

6:00 am-5:43 pm

2 stops16h 43m

Kona Intl

Tue 5/12

8:50 pm-7:03 pm

2 stops17h 13m

$455

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 4/27

8:54 am-3:30 pm

1 stop11h 36m

Kona Intl

Wed 5/6

12:02 pm-5:47 am

1 stop12h 45m

$464

Quickest round-trip

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 4/21

8:54 am-3:30 pm

1 stop11h 36m

Kona Intl

Tue 4/28

7:30 pm-1:08 pm

1 stop12h 38m

$469

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 4/27

8:54 am-3:30 pm

1 stop11h 36m

Kona Intl

Wed 5/6

1:15 pm-9:30 am

2 stops15h 15m

$470

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 4/21

8:54 am-3:30 pm

1 stop11h 36m

Kona Intl

Tue 4/28

12:55 pm-9:25 am

2 stops15h 30m

$475

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 5/3

6:45 am-7:03 pm

2 stops17h 18m

Kona Intl

Mon 5/11

8:50 pm-7:03 pm

2 stops17h 13m

$480

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Thu 5/7

6:00 am-7:20 pm

2 stops18h 20m

Kona Intl

Thu 5/14

8:50 pm-7:03 pm

2 stops17h 13m

$485

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 4/26

8:54 am-3:30 pm

1 stop11h 36m

Kona Intl

Wed 5/6

12:02 pm-5:47 am

1 stop12h 45m

$489

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 4/26

8:54 am-3:30 pm

1 stop11h 36m

Kona Intl

Wed 5/6

1:15 pm-9:30 am

2 stops15h 15m

$495

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 4/21

6:30 am-3:30 pm

2 stops14h 00m

Kona Intl

Tue 4/28

12:55 pm-8:25 am

2 stops14h 30m

$500

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Kailua-Kona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between St. Louis and Kailua-Kona?

What is the cheapest month to fly to Kailua-Kona?

The cheapest month to fly to Kailua-Kona from St. Louis is in September. Flight prices, which tend to average around $472, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Kailua-Kona, with average flight prices from St. Louis averaging around $526.

How far in advance should I book a flight to Kailua-Kona?

You are more likely to see cheaper flights to Kailua-Kona from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Kailua-Kona for around $633 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kailua-Kona from St. Louis for as low as $548 on momondo.

Can stopping save me money on St. Louis to Kailua-Kona flights?

You could potentially save up to 32% on your flight if you consider stops on a St. Louis to Kailua-Kona flight.

How have St. Louis to Kailua-Kona flight prices changed over time?

As of March 2026, prices for St. Louis to Kailua-Kona flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Kailua-Kona

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Kailua-Kona according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Kailua-Kona (STL to KOA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Kailua-Kona

Fastest flight time	11h 46m
Direct flights	None

The fastest flight from St. Louis to Kailua-Kona takes 11h 46m

There are no direct flights from St. Louis to Kailua-Kona. There are no popular flight routes from St. Louis to Kailua-Kona.

Search flight deals

How far is Lambert-St Louis to Kona Intl by plane?
There are 4089.9 mi between Lambert-St Louis and Kona Intl. A reasonable flight in good conditions will take 11h 46m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Kona Intl Airport?
Prices for flights from Lambert-St Louis Airport to Kona Intl Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Kona Intl Airport?
There are 5 operators available for flights from Lambert-St Louis Airport to Kona Intl Airport as of March 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Kona Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Kona Intl Airport.
What documentation or ID do you need to fly to Kona Intl Airport?
The necessary travel and health documents for your Kona Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Kailua-Kona?
Based on momondo bookings for flights between St. Louis and Kailua-Kona, the leading airline is American Airlines, making up 40% of the total bookings. Other popular airlines include United Airlines with 26%, Alaska Airlines with 16%, and Southwest with 11%.

Best airlines flying from St. Louis to Kailua-Kona

Compare and see reviews for airlines that fly from St. Louis to Kailua-Kona with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $422	Free Cancellation	Rating 7.9 8,358 reviews	Search Delta flights
United Airlines	PriceFrom $423	Free Cancellation	Rating 7.4 9,514 reviews	Search United Airlines flights
American Airlines	PriceFrom $426	Free Cancellation	Rating 7.1 11,531 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $446	Free Cancellation	Rating 7.9 12,139 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $481	Free Cancellation	Rating 8.0 4,329 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Kailua-Kona?

It is quick and easy to find St. Louis to Kailua-Kona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kailua-Kona that suits you.

Can I find flights from St. Louis to Kailua-Kona with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Kailua-Kona flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Kailua-Kona?

momondo provides multiple filters to help you find the best flight to Kailua-Kona from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Kailua-Kona right now. Can momondo alert me if prices change?

Price alerts on flights to Kailua-Kona from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.