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

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

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.

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 July 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.

$252 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 $625 to $924. The lowest price recently found on this route was $475.

Discover deals from 900+ travel sites with momondo.

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.

9:00 am - 3:43 pm

STL

KOA

11h 43m

1 stop

10:50 pm - 8:38 pm

KOA

STL

16h 48m

2 stops

$475United Airlines

Fri, Sep 11 - Fri, Sep 18

9:00 am - 7:35 pm

STL

KOA

15h 35m

2 stops

10:50 pm - 4:34 pm

KOA

STL

12h 44m

2 stops

$480United Airlines

Fri, Sep 11 - Fri, Sep 18

9:00 am - 3:43 pm

STL

KOA

11h 43m

1 stop

8:00 pm - 12:40 pm

KOA

STL

11h 40m

1 stop

$486United Airlines

Fri, Sep 11 - Fri, Sep 18

5:35 am - 12:40 pm

STL

KOA

12h 05m

1 stop

8:35 pm - 3:05 pm

KOA

STL

13h 30m

1 stop

$499Southwest

Tue, Aug 18 - Mon, Aug 24

9:00 am - 3:43 pm

STL

KOA

11h 43m

1 stop

10:15 pm - 5:59 pm

KOA

STL

14h 44m

2 stops

$510United Airlines

Fri, Aug 21 - Sat, Aug 29

6:00 am - 4:00 pm

STL

KOA

15h 00m

1 stop

9:45 pm - 1:44 pm

KOA

STL

10h 59m

1 stop

$527American Airlines

Thu, Sep 10 - Thu, Sep 17

5:43 am - 4:00 pm

STL

KOA

15h 17m

2 stops

9:45 pm - 8:52 pm

KOA

STL

18h 07m

1 stop

$532American Airlines

Fri, Sep 25 - Tue, Sep 29

9:00 am - 3:43 pm

STL

KOA

11h 43m

1 stop

2:03 pm - 8:39 am

KOA

STL

13h 36m

2 stops

$545United Airlines

Mon, Aug 31 - Sun, Sep 6

6:15 am - 3:43 pm

STL

KOA

14h 28m

2 stops

2:03 pm - 8:39 am

KOA

STL

13h 36m

2 stops

$550United Airlines

Mon, Aug 31 - Sun, Sep 6

5:55 am - 12:40 pm

STL

KOA

11h 45m

1 stop

8:35 pm - 5:50 pm

KOA

STL

16h 15m

1 stop

$559Southwest

Mon, Aug 17 - Mon, Aug 24

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United Airlines flights from St. Louis to Kailua-Kona

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

United Airlines

Nov 4

STL8:58 amLambert-St Louis

15h 34m

2 stops

KOA8:32 pmKona Intl

Nov 11

KOA8:25 pmKona Intl

12h 12m

1 stop

STL12:37 pmLambert-St Louis

$440

United Airlines

Dec 9

STL9:13 amLambert-St Louis

11h 28m

1 stop

KOA4:41 pmKona Intl

Dec 23

KOA3:15 pmKona Intl

10h 04m

1 stop

STL5:19 amLambert-St Louis

$453

United Airlines

Sep 11

STL9:00 amLambert-St Louis

11h 43m

1 stop

KOA3:43 pmKona Intl

Sep 18

KOA10:50 pmKona Intl

16h 48m

2 stops

STL8:38 pmLambert-St Louis

$475

Southwest flights from St. Louis to Kailua-Kona

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

Southwest

Nov 4

STL6:30 amLambert-St Louis

11h 30m

1 stop

KOA2:00 pmKona Intl

Nov 11

KOA9:30 pmKona Intl

10h 20m

1 stop

STL11:50 amLambert-St Louis

$464

Southwest

Nov 4

STL6:30 amLambert-St Louis

11h 30m

1 stop

KOA2:00 pmKona Intl

Nov 11

KOA9:30 pmKona Intl

10h 20m

1 stop

STL11:50 amLambert-St Louis

$494

Southwest

Aug 18

STL5:35 amLambert-St Louis

12h 05m

1 stop

KOA12:40 pmKona Intl

Aug 24

KOA8:35 pmKona Intl

13h 30m

1 stop

STL3:05 pmLambert-St Louis

$499

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 9/11

9:00 am-3:43 pm

1 stop11h 43m

Kona Intl

Fri 9/18

10:50 pm-8:38 pm

2 stops16h 48m

$475

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 9/11

9:00 am-7:35 pm

2 stops15h 35m

Kona Intl

Fri 9/18

10:50 pm-4:34 pm

2 stops12h 44m

$480

Quickest round-trip

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 9/11

9:00 am-3:43 pm

1 stop11h 43m

Kona Intl

Fri 9/18

8:00 pm-12:40 pm

1 stop11h 40m

$486

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 8/18

5:35 am-12:40 pm

1 stop12h 05m

Kona Intl

Mon 8/24

8:35 pm-3:05 pm

1 stop13h 30m

$499

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 8/21

9:00 am-3:43 pm

1 stop11h 43m

Kona Intl

Sat 8/29

10:15 pm-5:59 pm

2 stops14h 44m

$510

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Thu 9/10

6:00 am-4:00 pm

1 stop15h 00m

Kona Intl

Thu 9/17

9:45 pm-1:44 pm

1 stop10h 59m

$527

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 9/25

5:43 am-4:00 pm

2 stops15h 17m

Kona Intl

Tue 9/29

9:45 pm-8:52 pm

1 stop18h 07m

$532

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 8/31

9:00 am-3:43 pm

1 stop11h 43m

Kona Intl

Sun 9/6

2:03 pm-8:39 am

2 stops13h 36m

$545

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 8/31

6:15 am-3:43 pm

2 stops14h 28m

Kona Intl

Sun 9/6

2:03 pm-8:39 am

2 stops13h 36m

$550

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 8/17

5:55 am-12:40 pm

1 stop11h 45m

Kona Intl

Mon 8/24

8:35 pm-5:50 pm

1 stop16h 15m

$559

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

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 November. Flight prices, which tend to average around $484, 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 $534.

How far in advance should I book a flight from St. Louis 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 $684 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 $478 on momondo.

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

You could potentially save up to 4% 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 July 2026, prices for St. Louis to Kailua-Kona flights are approximately 3% more expensive 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 31m
Direct flights	None

The fastest flight from St. Louis to Kailua-Kona takes 11h 31m

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

Frequently asked questions about flying from St. Louis to Kailua-Kona

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 31m.
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 July 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 23%, Alaska Airlines with 17%, 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 $423	Free Cancellation	Rating 7.8 8,472 reviews	Search Delta flights
United Airlines	PriceFrom $423	Free Cancellation	Rating 7.4 10,014 reviews	Search United Airlines flights
American Airlines	PriceFrom $441	Free Cancellation	Rating 7.1 11,836 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $446	Free Cancellation	Rating 7.9 12,685 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $501	Free Cancellation	Rating 8.0 4,238 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.