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Cheap flights from Kailua-Kona to St. Louis from $223

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kailua-Kona to St. Louis departing on 12/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Kailua-Kona to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:30 pm - 10:39 amKOA-STL
11h 09m1 stop
American Airlines Logo
7:00 am - 3:02 pmSTL-KOA
12h 02m1 stop
$571American Airlines
Find Deal
Thu, Nov 27 - Tue, Dec 2
American Airlines Logo
7:30 pm - 10:39 amKOA-STL
11h 09m1 stop
American Airlines Logo
5:17 am - 3:02 pmSTL-KOA
13h 45m2 stops
$577American Airlines
Find Deal
Thu, Nov 27 - Tue, Dec 2
Alaska Airlines Logo
6:00 am - 11:55 pmKOA-STL
12h 55m2 stops
Alaska Airlines Logo
2:55 pm - 9:41 pmSTL-KOA
11h 46m1 stop
$658Alaska Airlines
Find Deal
Tue, May 5 - Wed, May 6
Delta Logo
8:30 pm - 4:49 pmKOA-STL
16h 19m2 stops
Delta Logo
6:30 am - 7:30 pmSTL-KOA
17h 00m2 stops
$666Delta
Find Deal
Thu, Nov 27 - Tue, Dec 2
Alaska Airlines Logo
6:00 am - 11:55 pmKOA-STL
12h 55m2 stops
Alaska Airlines Logo
2:55 pm - 9:41 pmSTL-KOA
11h 46m1 stop
$679Alaska Airlines
Find Deal
Tue, May 5 - Wed, May 6
American Airlines Logo
1:49 pm - 8:55 amKOA-STL
14h 06m2 stops
American Airlines Logo
6:00 pm - 1:59 pmSTL-KOA
24h 59m2 stops
$689American Airlines
Find Deal
Tue, May 5 - Wed, May 6
United Airlines Logo
1:10 pm - 9:42 amKOA-STL
15h 32m2 stops
United Airlines Logo
4:30 pm - 11:45 amSTL-KOA
24h 15m2 stops
$735United Airlines
Find Deal
Tue, May 5 - Wed, May 6
Alaska Airlines Logo
8:00 am - 11:55 pmKOA-STL
10h 55m1 stop
Alaska Airlines Logo
7:00 am - 3:32 pmSTL-KOA
13h 32m1 stop
$742Alaska Airlines
Find Deal
Tue, May 5 - Wed, May 6
American Airlines Logo
9:35 pm - 1:40 pmKOA-STL
12h 05m1 stop
American Airlines Logo
7:00 am - 3:01 pmSTL-KOA
12h 01m1 stop
$752American Airlines
Find Deal
Mon, Nov 24 - Sun, Nov 30
Delta Logo
8:30 pm - 4:07 pmKOA-STL
15h 37m2 stops
Delta Logo
6:34 am - 7:25 pmSTL-KOA
16h 51m2 stops
$813Delta
Find Deal
Mon, Nov 24 - Sun, Nov 30

Alaska Airlines flights from Kailua-Kona to St. Louis

Our best Alaska Airlines deals on Kailua-Kona to St. Louis flight tickets
Alaska Airlines
May 5
KOA6:00 amKona Intl
12h 55m
2 stops
STL11:55 pmLambert-St Louis
May 6
STL2:55 pmLambert-St Louis
11h 46m
1 stop
KOA9:41 pmKona Intl
$658
Find similar
Alaska Airlines
May 5
KOA6:00 amKona Intl
12h 55m
2 stops
STL11:55 pmLambert-St Louis
May 6
STL2:55 pmLambert-St Louis
11h 46m
1 stop
KOA9:41 pmKona Intl
$679
Find similar
Alaska Airlines
May 5
KOA8:00 amKona Intl
10h 55m
1 stop
STL11:55 pmLambert-St Louis
May 6
STL7:00 amLambert-St Louis
13h 32m
1 stop
KOA3:32 pmKona Intl
$742
Find similar

American Airlines flights from Kailua-Kona to St. Louis

Our best American Airlines deals on Kailua-Kona to St. Louis flight tickets
American Airlines
Nov 27
KOA7:30 pmKona Intl
11h 09m
1 stop
STL10:39 amLambert-St Louis
Dec 2
STL7:00 amLambert-St Louis
12h 02m
1 stop
KOA3:02 pmKona Intl
$571
Find similar
American Airlines
Nov 27
KOA7:30 pmKona Intl
11h 09m
1 stop
STL10:39 amLambert-St Louis
Dec 2
STL5:17 amLambert-St Louis
13h 45m
2 stops
KOA3:02 pmKona Intl
$577
Find similar
American Airlines
May 5
KOA1:49 pmKona Intl
14h 06m
2 stops
STL8:55 amLambert-St Louis
May 6
STL6:00 pmLambert-St Louis
24h 59m
2 stops
KOA1:59 pmKona Intl
$689
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kailua-Kona to St. Louis 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
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 11/27

7:30 pm-10:39 am

1 stop11h 09m

Lambert-St Louis

Tue 12/2

7:00 am-3:02 pm

1 stop12h 02m

$571

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 11/27

7:30 pm-10:39 am

1 stop11h 09m

Lambert-St Louis

Tue 12/2

5:17 am-3:02 pm

2 stops13h 45m

$577

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 5/5

6:00 am-11:55 pm

2 stops12h 55m

Lambert-St Louis

Wed 5/6

2:55 pm-9:41 pm

1 stop11h 46m

$658

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 11/27

8:30 pm-4:49 pm

2 stops16h 19m

Lambert-St Louis

Tue 12/2

6:30 am-7:30 pm

2 stops17h 00m

$666

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 5/5

6:00 am-11:55 pm

2 stops12h 55m

Lambert-St Louis

Wed 5/6

2:55 pm-9:41 pm

1 stop11h 46m

$679

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 5/5

1:49 pm-8:55 am

2 stops14h 06m

Lambert-St Louis

Wed 5/6

6:00 pm-1:59 pm

2 stops24h 59m

$689

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 5/5

1:10 pm-9:42 am

2 stops15h 32m

Lambert-St Louis

Wed 5/6

4:30 pm-11:45 am

2 stops24h 15m

$735

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 5/5

8:00 am-11:55 pm

1 stop10h 55m

Lambert-St Louis

Wed 5/6

7:00 am-3:32 pm

1 stop13h 32m

$742

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 11/24

9:35 pm-1:40 pm

1 stop12h 05m

Lambert-St Louis

Sun 11/30

7:00 am-3:01 pm

1 stop12h 01m

$752

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 11/24

8:30 pm-4:07 pm

2 stops15h 37m

Lambert-St Louis

Sun 11/30

6:34 am-7:25 pm

2 stops16h 51m

$813

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $455. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $2,690. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest Kona Intl to Lambert-St Louis flight route?

Fly from Kona Intl to Lambert-St Louis for the best Kona Intl - Lambert-St Louis flight prices

What cabin class options are available on Kona Intl to Lambert-St Louis flights?

There is only 1 cabin class available to choose from on Kona Intl to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 2% on your flight if you consider stops on a Kailua-Kona to St. Louis flight.

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

As of November 2025, prices for Kailua-Kona to St. Louis flights are approximately 6% cheaper when compared to flights at the same time last year.

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

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

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

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

Direct flights

None
There are no direct flights from Kailua-Kona to St. Louis. There are no popular flight routes from Kailua-Kona to St. Louis.
Search flight deals

  • How far is Kona Intl to Lambert-St Louis by plane?

    Lambert-St Louis is 4089.9 mi away from Kona Intl. A reasonable flight in good conditions will take 10h 55m.

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

    Prices for flights from Kona Intl Airport to Lambert-St Louis Airport refresh daily.

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

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Kailua-Kona to St. Louis?

Best airlines flying from Kailua-Kona to St. Louis

Compare and see reviews for airlines that fly from Kailua-Kona to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $541Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kailua-Kona to St. Louis. momondo saves you time and could save you money on your trip.

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

Flights from Kailua-Kona to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Kailua-Kona.

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

Yes momondo offers price alerts on flights to St. Louis from Kailua-Kona. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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