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Cheap flights from St. Louis to Kailua-Kona 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 St. Louis to Kailua-Kona departing on 2/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 6:47 pmSTL-KOA
15h 47m2 stops
Delta Logo
8:45 pm - 4:39 pmKOA-STL
15h 54m2 stops
$414Delta
Find Deal
vie., ene. 9 - vie., ene. 23
Delta Logo
7:00 am - 6:47 pmSTL-KOA
15h 47m2 stops
Delta Logo
8:45 pm - 4:39 pmKOA-STL
15h 54m2 stops
$434Delta
Find Deal
vie., ene. 9 - vie., ene. 23
Delta Logo
6:10 am - 6:47 pmSTL-KOA
16h 37m2 stops
Delta Logo
8:45 pm - 4:47 pmKOA-STL
16h 02m2 stops
$435Delta
Find Deal
vie., ene. 30 - lun., feb. 9
American Airlines Logo
7:04 am - 2:54 pmSTL-KOA
11h 50m1 stop
American Airlines Logo
6:30 pm - 8:52 amKOA-STL
10h 22m1 stop
$441American Airlines
Find Deal
lun., feb. 2 - jue., feb. 12
Delta Logo
6:30 am - 6:54 pmSTL-KOA
16h 24m2 stops
Delta Logo
8:55 pm - 8:39 pmKOA-STL
18h 44m2 stops
$443Delta
Find Deal
dom., feb. 22 - lun., mar. 9
American Airlines Logo
7:45 am - 3:47 pmSTL-KOA
12h 02m1 stop
American Airlines Logo
10:35 pm - 5:05 pmKOA-STL
14h 30m2 stops
$447American Airlines
Find Deal
lun., feb. 2 - jue., feb. 12
Alaska Airlines Logo
2:50 pm - 12:54 pmSTL-KOA
26h 04m2 stops
Alaska Airlines Logo
9:00 pm - 11:56 pmKOA-STL
22h 56m2 stops
$452Alaska Airlines
Find Deal
lun., feb. 2 - jue., feb. 12
United Airlines Logo
8:41 am - 4:34 pmSTL-KOA
11h 53m1 stop
United Airlines Logo
7:55 pm - 1:13 pmKOA-STL
12h 18m1 stop
$461United Airlines
Find Deal
lun., feb. 23 - mar., mar. 10
Alaska Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Alaska Airlines Logo
12:00 pm - 1:52 pmKOA-STL
21h 52m2 stops
$464Alaska Airlines
Find Deal
mié., feb. 18 - mié., feb. 25
United Airlines Logo
8:45 am - 4:41 pmSTL-KOA
11h 56m1 stop
United Airlines Logo
3:59 pm - 10:52 amKOA-STL
14h 53m2 stops
$467United Airlines
Find Deal
mar., feb. 3 - mar., feb. 10

Delta flights from St. Louis to Kailua-Kona

Our best Delta deals on St. Louis to Kailua-Kona flight tickets
Delta
Jan 9
STL7:00 amLambert-St Louis
15h 47m
2 stops
KOA6:47 pmKona Intl
Jan 23
KOA8:45 pmKona Intl
15h 54m
2 stops
STL4:39 pmLambert-St Louis
$414
Find similar
Delta
Jan 9
STL7:00 amLambert-St Louis
15h 47m
2 stops
KOA6:47 pmKona Intl
Jan 23
KOA8:45 pmKona Intl
15h 54m
2 stops
STL4:39 pmLambert-St Louis
$434
Find similar
Delta
Jan 30
STL6:10 amLambert-St Louis
16h 37m
2 stops
KOA6:47 pmKona Intl
Feb 9
KOA8:45 pmKona Intl
16h 02m
2 stops
STL4:47 pmLambert-St Louis
$435
Find similar

Alaska Airlines flights from St. Louis to Kailua-Kona

Our best Alaska Airlines deals on St. Louis to Kailua-Kona flight tickets
Alaska Airlines
Feb 2
STL2:50 pmLambert-St Louis
26h 04m
2 stops
KOA12:54 pmKona Intl
Feb 12
KOA9:00 pmKona Intl
22h 56m
2 stops
STL11:56 pmLambert-St Louis
$452
Find similar
Alaska Airlines
Feb 18
STL2:55 pmLambert-St Louis
11h 40m
1 stop
KOA10:35 pmKona Intl
Feb 25
KOA12:00 pmKona Intl
21h 52m
2 stops
STL1:52 pmLambert-St Louis
$464
Find similar
Alaska Airlines
Feb 23
STL2:55 pmLambert-St Louis
11h 40m
1 stop
KOA10:35 pmKona Intl
Mar 10
KOA4:46 pmKona Intl
16h 06m
2 stops
STL1:52 pmLambert-St Louis
$466
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 octubre 30, 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

vie. 1/9

7:00 am-6:47 pm

2 stops15h 47m

Kona Intl

vie. 1/23

8:45 pm-4:39 pm

2 stops15h 54m

$414

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

vie. 1/9

7:00 am-6:47 pm

2 stops15h 47m

Kona Intl

vie. 1/23

8:45 pm-4:39 pm

2 stops15h 54m

$434

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

vie. 1/30

6:10 am-6:47 pm

2 stops16h 37m

Kona Intl

lun. 2/9

8:45 pm-4:47 pm

2 stops16h 02m

$435

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 2/2

7:04 am-2:54 pm

1 stop11h 50m

Kona Intl

jue. 2/12

6:30 pm-8:52 am

1 stop10h 22m

$441

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

dom. 2/22

6:30 am-6:54 pm

2 stops16h 24m

Kona Intl

lun. 3/9

8:55 pm-8:39 pm

2 stops18h 44m

$443

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 2/2

7:45 am-3:47 pm

1 stop12h 02m

Kona Intl

jue. 2/12

10:35 pm-5:05 pm

2 stops14h 30m

$447

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 2/2

2:50 pm-12:54 pm

2 stops26h 04m

Kona Intl

jue. 2/12

9:00 pm-11:56 pm

2 stops22h 56m

$452

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

lun. 2/23

8:41 am-4:34 pm

1 stop11h 53m

Kona Intl

mar. 3/10

7:55 pm-1:13 pm

1 stop12h 18m

$461

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mié. 2/18

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

mié. 2/25

12:00 pm-1:52 pm

2 stops21h 52m

$464

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mar. 2/3

8:45 am-4:41 pm

1 stop11h 56m

Kona Intl

mar. 2/10

3:59 pm-10:52 am

2 stops14h 53m

$467

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 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 September. Flight prices, which tend to average around $452, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Kailua-Kona, with average flight prices from St. Louis averaging around $492.

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 $600 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 $529 on momondo.

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

You could potentially save up to 9% 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 October 2025, prices for St. Louis to Kailua-Kona flights are approximately 22% cheaper 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

Direct flights

None
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

  • 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 18m.

  • 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 $399Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom $401Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $421Free CancellationRating
8.0
11,217 reviews
Search Alaska Airlines flights
DeltaPriceFrom $422Free CancellationRating
7.9
7,998 reviews
Search Delta flights
SouthwestPriceFrom $481Free CancellationRating
8.0
4,243 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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