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Cheap flights from St. Louis to Kailua-Kona from $266

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Kailua-Kona departing on 10/18. 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 St. Louis to Kailua-Kona

Cheap round-trip flights

Alaska Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Alaska Airlines Logo
10:00 pm - 1:52 pmKOA-STL
11h 52m1 stop
$409Alaska Airlines
Find Deal
mar., ene. 13 - mar., ene. 20
Alaska Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Alaska Airlines Logo
8:00 am - 1:52 pmKOA-STL
25h 52m1 stop
$410Alaska Airlines
Find Deal
mar., ene. 13 - mar., ene. 20
Alaska Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Alaska Airlines Logo
4:45 pm - 1:52 pmKOA-STL
17h 07m2 stops
$414Alaska Airlines
Find Deal
mar., ene. 13 - mar., ene. 20
Alaska Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Alaska Airlines Logo
10:00 pm - 1:52 pmKOA-STL
11h 52m1 stop
$415Alaska Airlines
Find Deal
dom., ene. 11 - vie., ene. 23
Alaska Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Alaska Airlines Logo
5:15 pm - 1:52 pmKOA-STL
16h 37m2 stops
$420Alaska Airlines
Find Deal
dom., ene. 11 - mié., ene. 21
American Airlines Logo
5:14 am - 3:35 pmSTL-KOA
14h 21m1 stop
American Airlines Logo
10:28 pm - 1:42 pmKOA-STL
11h 14m1 stop
$430American Airlines
Find Deal
dom., ene. 25 - dom., ene. 25
American Airlines Logo
7:09 am - 3:35 pmSTL-KOA
12h 26m1 stop
American Airlines Logo
10:28 pm - 4:14 pmKOA-STL
13h 46m2 stops
$447American Airlines
Find Deal
vie., ene. 23 - vie., feb. 6
United Airlines Logo
8:54 am - 3:19 pmSTL-KOA
11h 25m1 stop
United Airlines Logo
10:15 pm - 4:33 pmKOA-STL
13h 18m2 stops
$457United Airlines
Find Deal
jue., ago. 14 - lun., ago. 18
United Airlines Logo
6:33 am - 3:19 pmSTL-KOA
13h 46m2 stops
United Airlines Logo
7:40 pm - 2:26 pmKOA-STL
13h 46m2 stops
$463United Airlines
Find Deal
jue., ago. 14 - lun., ago. 18
Hawaiian Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Hawaiian Airlines Logo
10:00 pm - 1:52 pmKOA-STL
11h 52m1 stop
$506Hawaiian Airlines
Find Deal
sáb., ene. 10 - sáb., ene. 17

Alaska Airlines flights from St. Louis to Kailua-Kona

Our best Alaska Airlines deals on St. Louis to Kailua-Kona flight tickets
Alaska Airlines
Jan 13
STL2:55 pmLambert-St Louis
11h 40m
1 stop
KOA10:35 pmKona Intl
Jan 20
KOA10:00 pmKona Intl
11h 52m
1 stop
STL1:52 pmLambert-St Louis
$409
Find similar
Alaska Airlines
Jan 13
STL2:55 pmLambert-St Louis
11h 40m
1 stop
KOA10:35 pmKona Intl
Jan 20
KOA8:00 amKona Intl
25h 52m
1 stop
STL1:52 pmLambert-St Louis
$410
Find similar
Alaska Airlines
Jan 13
STL2:55 pmLambert-St Louis
11h 40m
1 stop
KOA10:35 pmKona Intl
Jan 20
KOA4:45 pmKona Intl
17h 07m
2 stops
STL1:52 pmLambert-St Louis
$414
Find similar

American Airlines flights from St. Louis to Kailua-Kona

Our best American Airlines deals on St. Louis to Kailua-Kona flight tickets
American Airlines
Jan 25
STL5:14 amLambert-St Louis
14h 21m
1 stop
KOA3:35 pmKona Intl
Jan 25
KOA10:28 pmKona Intl
11h 14m
1 stop
STL1:42 pmLambert-St Louis
$430
Find similar
American Airlines
Jan 23
STL7:09 amLambert-St Louis
12h 26m
1 stop
KOA3:35 pmKona Intl
Feb 6
KOA10:28 pmKona Intl
13h 46m
2 stops
STL4:14 pmLambert-St Louis
$447
Find similar
American Airlines
Nov 16
STL7:00 amLambert-St Louis
12h 02m
1 stop
KOA3:02 pmKona Intl
Nov 20
KOA6:30 pmKona Intl
10h 28m
1 stop
STL8:58 amLambert-St Louis
$454
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Kailua-Kona 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 julio 31, 2025.
Use the filters below to find and compare flights from St. Louis to Kailua-Kona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mar. 1/13

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

mar. 1/20

10:00 pm-1:52 pm

1 stop11h 52m

$409

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mar. 1/13

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

mar. 1/20

8:00 am-1:52 pm

1 stop25h 52m

$410

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mar. 1/13

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

mar. 1/20

4:45 pm-1:52 pm

2 stops17h 07m

$414

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

dom. 1/11

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

vie. 1/23

10:00 pm-1:52 pm

1 stop11h 52m

$415

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

dom. 1/11

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

mié. 1/21

5:15 pm-1:52 pm

2 stops16h 37m

$420

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

dom. 1/25

5:14 am-3:35 pm

1 stop14h 21m

Kona Intl

dom. 1/25

10:28 pm-1:42 pm

1 stop11h 14m

$430

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

vie. 1/23

7:09 am-3:35 pm

1 stop12h 26m

Kona Intl

vie. 2/6

10:28 pm-4:14 pm

2 stops13h 46m

$447

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

jue. 8/14

8:54 am-3:19 pm

1 stop11h 25m

Kona Intl

lun. 8/18

10:15 pm-4:33 pm

2 stops13h 18m

$457

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

jue. 8/14

6:33 am-3:19 pm

2 stops13h 46m

Kona Intl

lun. 8/18

7:40 pm-2:26 pm

2 stops13h 46m

$463

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

sáb. 1/10

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

sáb. 1/17

10:00 pm-1:52 pm

1 stop11h 52m

$506

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 Kailua-Kona from

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

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

The cheapest month to fly to Kailua-Kona from St. Louis is in February. Flight prices, which tend to average around $461, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Kailua-Kona, with average flight prices from St. Louis averaging around $472.

What is the cheapest day to depart on your flight to Kailua-Kona?

The cheapest day to depart on your flight to Kailua-Kona is on a Tuesday when prices can be found for as low as $599. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Kailua-Kona on Saturday is $852.

What is the cheapest time of day to depart on your flight to Kailua-Kona?

Flying to Kailua-Kona from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $546 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Kailua-Kona is in the afternoon when prices are around $1,085.

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 $596 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 $505 on momondo.

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

You could potentially save up to 20% 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 2025, prices for St. Louis to Kailua-Kona flights are approximately 1% 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

Best Price Found

$266

Fastest flight time

10h 56m

Direct flights

None

Airports in Kailua-Kona

1 airport
The best one-way flight to Kailua-Kona from St. Louis in the past 72 hours is $266. The best round-trip flight deal from St. Louis to Kailua-Kona found on momondo in the last 72 hours is $409.
The fastest flight from St. Louis to Kailua-Kona takes 10h 56m
There are no direct flights from St. Louis to Kailua-Kona. Popular non-direct route for this connection is Lambert-St Louis Airport - Kona Intl Airport.
There is 1 airport near Kailua-Kona: Kona Intl (KOA)
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 25m.

  • 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?

  • 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?

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
United AirlinesPriceFrom $389Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $389Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $394Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $520Free CancellationRating
8.0
4,246 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.

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