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Cheap flights from Kailua-Kona to St. Louis from $288

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 7/2. 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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0 bags

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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
10:11 pm - 3:28 pm
KOA
-
STL
13h 17m
2 stops
American Airlines Logo
7:00 am - 6:59 pm
STL
-
KOA
15h 59m
2 stops
$595American Airlines
Sun, Mar 1 - Thu, Mar 5
Southwest Logo
9:25 pm - 1:55 pm
KOA
-
STL
12h 30m
1 stop
Southwest Logo
5:25 am - 2:00 pm
STL
-
KOA
12h 35m
1 stop
$624Southwest
Sun, Mar 1 - Thu, Mar 5
United Airlines Logo
2:35 pm - 9:23 am
KOA
-
STL
14h 48m
2 stops
United Airlines Logo
6:51 am - 3:13 pm
STL
-
KOA
12h 22m
1 stop
$625United Airlines
Sun, Mar 1 - Thu, Mar 5
Alaska Airlines Logo
9:25 pm - 2:02 pm
KOA
-
STL
11h 37m
1 stop
Alaska Airlines Logo
6:20 pm - 10:57 am
STL
-
KOA
21h 37m
1 stop
$734Alaska Airlines
Sat, Jul 18 - Sat, Jul 25
Multiple Airlines Logo
6:02 pm - 2:02 pm
KOA
-
STL
15h 00m
2 stops
Multiple Airlines Logo
6:20 pm - 10:57 am
STL
-
KOA
21h 37m
1 stop
$740Multiple Airlines
Sat, Jul 18 - Sat, Jul 25
Multiple Airlines Logo
6:02 pm - 2:02 pm
KOA
-
STL
15h 00m
2 stops
Multiple Airlines Logo
6:20 pm - 2:42 pm
STL
-
KOA
25h 22m
2 stops
$745Multiple Airlines
Sat, Jul 18 - Sat, Jul 25
Alaska Airlines Logo
9:25 pm - 2:02 pm
KOA
-
STL
11h 37m
1 stop
Alaska Airlines Logo
7:30 pm - 2:59 pm
STL
-
KOA
24h 29m
1 stop
$805Alaska Airlines
Sat, Jul 18 - Sat, Jul 25
Alaska Airlines Logo
9:25 pm - 2:02 pm
KOA
-
STL
11h 37m
1 stop
Alaska Airlines Logo
2:58 pm - 9:51 pm
STL
-
KOA
11h 53m
1 stop
$832Alaska Airlines
Sat, Jul 18 - Sat, Jul 25

Alaska Airlines flights from Kailua-Kona to St. Louis

Our best Alaska Airlines deals on Kailua-Kona to St. Louis flight tickets
Alaska Airlines
Jul 18
KOA9:25 pmKona Intl
11h 37m
1 stop
STL2:02 pmLambert-St Louis
Jul 25
STL6:20 pmLambert-St Louis
21h 37m
1 stop
KOA10:57 amKona Intl
$734
Alaska Airlines
Jul 18
KOA9:25 pmKona Intl
11h 37m
1 stop
STL2:02 pmLambert-St Louis
Jul 25
STL7:30 pmLambert-St Louis
24h 29m
1 stop
KOA2:59 pmKona Intl
$805
Alaska Airlines
Jul 18
KOA9:25 pmKona Intl
11h 37m
1 stop
STL2:02 pmLambert-St Louis
Jul 25
STL2:58 pmLambert-St Louis
11h 53m
1 stop
KOA9:51 pmKona Intl
$832

United Airlines flights from Kailua-Kona to St. Louis

Our best United Airlines deals on Kailua-Kona to St. Louis flight tickets
United Airlines
Mar 1
KOA2:35 pmKona Intl
14h 48m
2 stops
STL9:23 amLambert-St Louis
Mar 5
STL6:51 amLambert-St Louis
12h 22m
1 stop
KOA3:13 pmKona Intl
$625
United Airlines
Feb 18
KOA8:55 pmKona Intl
12h 19m
1 stop
STL1:14 pmLambert-St Louis
Feb 22
STL8:41 amLambert-St Louis
11h 53m
1 stop
KOA4:34 pmKona Intl
$724
United Airlines
Feb 18
KOA10:55 pmKona Intl
14h 03m
2 stops
STL4:58 pmLambert-St Louis
Feb 22
STL8:41 amLambert-St Louis
11h 53m
1 stop
KOA4:34 pmKona Intl
$730

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 February 15, 2026.
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

Sun 3/1

10:11 pm-3:28 pm

2 stops13h 17m

Lambert-St Louis

Thu 3/5

7:00 am-6:59 pm

2 stops15h 59m

$595

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sun 3/1

9:25 pm-1:55 pm

1 stop12h 30m

Lambert-St Louis

Thu 3/5

5:25 am-2:00 pm

1 stop12h 35m

$624

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sun 3/1

2:35 pm-9:23 am

2 stops14h 48m

Lambert-St Louis

Thu 3/5

6:51 am-3:13 pm

1 stop12h 22m

$625

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sat 7/18

9:25 pm-2:02 pm

1 stop11h 37m

Lambert-St Louis

Sat 7/25

6:20 pm-10:57 am

1 stop21h 37m

$734

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sat 7/18

6:02 pm-2:02 pm

2 stops15h 00m

Lambert-St Louis

Sat 7/25

6:20 pm-10:57 am

1 stop21h 37m

$740

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sat 7/18

6:02 pm-2:02 pm

2 stops15h 00m

Lambert-St Louis

Sat 7/25

6:20 pm-2:42 pm

2 stops25h 22m

$745

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sat 7/18

9:25 pm-2:02 pm

1 stop11h 37m

Lambert-St Louis

Sat 7/25

7:30 pm-2:59 pm

1 stop24h 29m

$805

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sat 7/18

9:25 pm-2:02 pm

1 stop11h 37m

Lambert-St Louis

Sat 7/25

2:58 pm-9:51 pm

1 stop11h 53m

$832

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 7/2

4:41 pm-5:13 pm

2 stops19h 32m

$288

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 7/2

8:40 pm-6:00 pm

2 stops16h 20m

$323

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 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?

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

Fastest flight time

12h 19m

Direct flights

None
The fastest flight from Kailua-Kona to St. Louis takes 12h 19m
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 12h 19m.

  • 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
9,299 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
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
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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