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Cheap flights from Kailua-Kona to St. Louis from $222

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 3/10. 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.
Delta Logo
7:55 pm - 2:48 pm
KOA
-
STL
14h 53m1 stop
Delta Logo
6:10 am - 6:47 pm
STL
-
KOA
16h 37m2 stops
$469Delta
Thu, Jan 15 - Mon, Jan 19
Delta Logo
8:45 pm - 2:48 pm
KOA
-
STL
14h 03m2 stops
Delta Logo
6:10 am - 6:47 pm
STL
-
KOA
16h 37m2 stops
$474Delta
Thu, Jan 15 - Mon, Jan 19
United Airlines Logo
8:55 pm - 1:16 pm
KOA
-
STL
12h 21m1 stop
United Airlines Logo
8:45 am - 4:41 pm
STL
-
KOA
11h 56m1 stop
$533United Airlines
Wed, Jan 14 - Sun, Jan 18
American Airlines Logo
9:44 pm - 4:14 pm
KOA
-
STL
14h 30m2 stops
American Airlines Logo
7:15 am - 3:48 pm
STL
-
KOA
12h 33m1 stop
$538American Airlines
Wed, Jan 14 - Sun, Jan 18
Delta Logo
9:30 pm - 5:50 pm
KOA
-
STL
16h 20m2 stops
Delta Logo
7:00 am - 6:30 pm
STL
-
KOA
15h 30m2 stops
$544Delta
Wed, Jan 14 - Sun, Jan 18
Alaska Airlines Logo
10:17 pm - 11:59 pm
KOA
-
STL
21h 42m1 stop
Alaska Airlines Logo
7:00 am - 10:57 pm
STL
-
KOA
19h 57m1 stop
$596Alaska Airlines
Wed, Feb 18 - Sun, Feb 22
Multiple Airlines Logo
7:50 pm - 11:59 pm
KOA
-
STL
24h 09m2 stops
Multiple Airlines Logo
7:00 am - 10:57 pm
STL
-
KOA
19h 57m1 stop
$612Multiple Airlines
Wed, Feb 18 - Sun, Feb 22
Multiple Airlines Logo
6:00 am - 11:59 pm
KOA
-
STL
13h 59m2 stops
Multiple Airlines Logo
7:00 am - 10:57 pm
STL
-
KOA
19h 57m1 stop
$637Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
8:55 pm - 1:14 pm
KOA
-
STL
12h 19m1 stop
United Airlines Logo
8:41 am - 4:34 pm
STL
-
KOA
11h 53m1 stop
$673United Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
8:55 pm - 2:29 pm
KOA
-
STL
13h 34m2 stops
United Airlines Logo
6:25 am - 4:34 pm
STL
-
KOA
14h 09m2 stops
$684United Airlines
Thu, Feb 19 - Mon, Feb 23

Delta flights from Kailua-Kona to St. Louis

Our best Delta deals on Kailua-Kona to St. Louis flight tickets
Delta
Jan 15
KOA7:55 pmKona Intl
14h 53m
1 stop
STL2:48 pmLambert-St Louis
Jan 19
STL6:10 amLambert-St Louis
16h 37m
2 stops
KOA6:47 pmKona Intl
$469
Find similar
Delta
Jan 15
KOA8:45 pmKona Intl
14h 03m
2 stops
STL2:48 pmLambert-St Louis
Jan 19
STL6:10 amLambert-St Louis
16h 37m
2 stops
KOA6:47 pmKona Intl
$474
Find similar
Delta
Jan 14
KOA9:30 pmKona Intl
16h 20m
2 stops
STL5:50 pmLambert-St Louis
Jan 18
STL7:00 amLambert-St Louis
15h 30m
2 stops
KOA6:30 pmKona Intl
$544
Find similar

United Airlines flights from Kailua-Kona to St. Louis

Our best United Airlines deals on Kailua-Kona to St. Louis flight tickets
United Airlines
Jan 14
KOA8:55 pmKona Intl
12h 21m
1 stop
STL1:16 pmLambert-St Louis
Jan 18
STL8:45 amLambert-St Louis
11h 56m
1 stop
KOA4:41 pmKona Intl
$533
Find similar
United Airlines
Feb 18
KOA2:08 pmKona Intl
16h 28m
2 stops
STL10:36 amLambert-St Louis
Feb 22
STL6:55 pmLambert-St Louis
21h 58m
2 stops
KOA12:53 pmKona Intl
$713
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 December 30, 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 1/15

7:55 pm-2:48 pm

1 stop14h 53m

Lambert-St Louis

Mon 1/19

6:10 am-6:47 pm

2 stops16h 37m

$469

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 1/15

8:45 pm-2:48 pm

2 stops14h 03m

Lambert-St Louis

Mon 1/19

6:10 am-6:47 pm

2 stops16h 37m

$474

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 1/14

8:55 pm-1:16 pm

1 stop12h 21m

Lambert-St Louis

Sun 1/18

8:45 am-4:41 pm

1 stop11h 56m

$533

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 1/14

9:44 pm-4:14 pm

2 stops14h 30m

Lambert-St Louis

Sun 1/18

7:15 am-3:48 pm

1 stop12h 33m

$538

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 1/14

9:30 pm-5:50 pm

2 stops16h 20m

Lambert-St Louis

Sun 1/18

7:00 am-6:30 pm

2 stops15h 30m

$544

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 2/18

10:17 pm-11:59 pm

1 stop21h 42m

Lambert-St Louis

Sun 2/22

7:00 am-10:57 pm

1 stop19h 57m

$596

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 2/18

7:50 pm-11:59 pm

2 stops24h 09m

Lambert-St Louis

Sun 2/22

7:00 am-10:57 pm

1 stop19h 57m

$612

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 2/19

6:00 am-11:59 pm

2 stops13h 59m

Lambert-St Louis

Mon 2/23

7:00 am-10:57 pm

1 stop19h 57m

$637

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 2/19

8:55 pm-1:14 pm

1 stop12h 19m

Lambert-St Louis

Mon 2/23

8:41 am-4:34 pm

1 stop11h 53m

$673

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 2/19

8:55 pm-2:29 pm

2 stops13h 34m

Lambert-St Louis

Mon 2/23

6:25 am-4:34 pm

2 stops14h 09m

$684

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 59% 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 December 2025, prices for Kailua-Kona to St. Louis flights are approximately 27% more expensive 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

Fastest flight time

12h 45m

Direct flights

None
The fastest flight from Kailua-Kona to St. Louis takes 12h 45m
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 45m.

  • 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
9,124 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
O'Fallon
Florissant
Fenton
Collinsville
St. Peters
Wentzville
Alton
Farmington
Clayton
Glencoe
Eureka
Festus
Edwardsville
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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