What airlines fly to Kaua'i?

American Airlines, Alaska Airlines and United Airlines are the top three most popular airlines that fly to Kaua'i from Missouri according to our data. American Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Kaua'i. Keep in mind that there are 6 different airlines that fly to Kaua'i on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Missouri to Kaua'i?

Delta, Southwest, and United Airlines are the most popular carriers operating from Missouri to Kaua'i

How long is the flight from Missouri to Kaua'i?

On average, it takes 3h 30m to fly from Missouri to Kaua'i if you fly out of Kansas City (the most popular airport in Missouri) and into Los Angeles (the most popular airport in Kaua'i). If you’re flying out of St. Louis and into Los Angeles, then the flight time is around 3h 48m.

When did momondo last update prices for flights from Missouri to Kaua'i?

Prices for flights from Missouri to Kaua'i are refreshed on a daily basis.

How many operators does momondo search for flights from Missouri to Kaua'i?

As of October 2025, there are 6 operators available to choose from for flights from Missouri to Kaua'i.

How old do you have to be to fly from Missouri to Kaua'i?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Kaua'i.

What documentation or ID do you need to fly to Kaua'i?

The travel and health documents required for your trip to Kaua'i can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kaua'i. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$246 Cheap Flights from Missouri to Kaua'i in 2025/26

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Find the cheapest flights from Missouri to Kaua'i

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 8:10 pmSTL-LIH

18h 10m2 stops

9:50 pm - 7:10 pmLIH-STL

17h 20m2 stops

$414Delta

Find Deal

Fri, Dec 5 - Sun, Dec 14

7:10 am - 6:21 pmSTL-LIH

15h 11m2 stops

10:45 pm - 9:38 pmLIH-STL

18h 53m2 stops

$453Delta

Find Deal

Mon, Jan 12 - Mon, Jan 19

6:44 am - 5:11 pmMCI-LIH

14h 27m2 stops

10:30 pm - 1:25 pmLIH-MCI

10h 55m1 stop

$467American Airlines

Find Deal

Thu, Feb 19 - Thu, Feb 26

6:00 am - 4:37 pmMCI-LIH

14h 37m2 stops

10:30 pm - 5:09 pmLIH-MCI

14h 39m2 stops

$472American Airlines

Find Deal

Thu, Feb 5 - Fri, Feb 13

2:55 pm - 10:15 pmMCI-LIH

11h 20m1 stop

6:02 pm - 1:42 pmLIH-MCI

15h 40m2 stops

$475Alaska Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

2:55 pm - 10:15 pmMCI-LIH

11h 20m1 stop

10:10 pm - 1:42 pmLIH-MCI

11h 32m1 stop

$479Hawaiian Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

5:25 am - 1:15 pmSTL-LIH

11h 50m1 stop

7:05 pm - 12:25 pmLIH-STL

13h 20m2 stops

$486Southwest

Find Deal

Fri, Nov 28 - Fri, Dec 5

6:00 am - 10:23 pmMCI-LIH

20h 23m1 stop

10:20 pm - 1:51 pmLIH-MCI

11h 31m1 stop

$490Alaska Airlines

Find Deal

Tue, Jan 6 - Mon, Jan 12

2:55 pm - 10:15 pmMCI-LIH

11h 20m1 stop

10:10 pm - 1:42 pmLIH-MCI

11h 32m1 stop

$499Hawaiian Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

5:00 am - 4:25 pmSTL-LIH

15h 25m2 stops

9:15 pm - 11:40 amLIH-STL

10h 25m1 stop

$514Southwest

Find Deal

Tue, Feb 17 - Tue, Feb 24

Delta flights from Missouri to Kaua'i

Our best Delta deals on Missouri to Kaua'i flight tickets

Delta

Dec 5

STL6:00 amLambert-St Louis

18h 10m

2 stops

LIH8:10 pmLihue

Dec 14

LIH9:50 pmLihue

17h 20m

2 stops

STL7:10 pmLambert-St Louis

$414

Find similar

Delta

Jan 12

STL7:10 amLambert-St Louis

15h 11m

2 stops

LIH6:21 pmLihue

Jan 19

LIH10:45 pmLihue

18h 53m

2 stops

STL9:38 pmLambert-St Louis

$453

Find similar

Delta

Apr 20

MCI6:40 amKansas City

15h 32m

2 stops

LIH5:12 pmLihue

Apr 30

LIH9:26 pmLihue

12h 18m

1 stop

MCI2:44 pmKansas City

$486

Find similar

Southwest flights from Missouri to Kaua'i

Our best Southwest deals on Missouri to Kaua'i flight tickets

Southwest

Nov 28

STL5:25 amLambert-St Louis

11h 50m

1 stop

LIH1:15 pmLihue

Dec 5

LIH7:05 pmLihue

13h 20m

2 stops

STL12:25 pmLambert-St Louis

$486

Find similar

Southwest

Feb 17

STL5:00 amLambert-St Louis

15h 25m

2 stops

LIH4:25 pmLihue

Feb 24

LIH9:15 pmLihue

10h 25m

1 stop

STL11:40 amLambert-St Louis

$514

Find similar

Southwest

Nov 28

STL5:25 amLambert-St Louis

11h 50m

1 stop

LIH1:15 pmLihue

Dec 5

LIH9:10 pmLihue

10h 15m

1 stop

STL11:25 amLambert-St Louis

$553

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Fri 12/5

6:00 am-8:10 pm

2 stops18h 10m

Lihue

Sun 12/14

9:50 pm-7:10 pm

2 stops17h 20m

$414

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Mon 1/12

7:10 am-6:21 pm

2 stops15h 11m

Lihue

Mon 1/19

10:45 pm-9:38 pm

2 stops18h 53m

$453

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Thu 2/19

6:44 am-5:11 pm

2 stops14h 27m

Lihue

Thu 2/26

10:30 pm-1:25 pm

1 stop10h 55m

$467

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Thu 2/5

6:00 am-4:37 pm

2 stops14h 37m

Lihue

Fri 2/13

10:30 pm-5:09 pm

2 stops14h 39m

$472

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Tue 3/3

2:55 pm-10:15 pm

1 stop11h 20m

Lihue

Wed 3/4

6:02 pm-1:42 pm

2 stops15h 40m

$475

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Tue 3/3

2:55 pm-10:15 pm

1 stop11h 20m

Lihue

Wed 3/4

10:10 pm-1:42 pm

1 stop11h 32m

$479

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Fri 11/28

5:25 am-1:15 pm

1 stop11h 50m

Lihue

Fri 12/5

7:05 pm-12:25 pm

2 stops13h 20m

$486

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Tue 1/6

6:00 am-10:23 pm

1 stop20h 23m

Lihue

Mon 1/12

10:20 pm-1:51 pm

1 stop11h 31m

$490

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Tue 3/3

2:55 pm-10:15 pm

1 stop11h 20m

Lihue

Wed 3/4

10:10 pm-1:42 pm

1 stop11h 32m

$499

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Tue 2/17

5:00 am-4:25 pm

2 stops15h 25m

Lihue

Tue 2/24

9:15 pm-11:40 am

1 stop10h 25m

$514

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Kaua'i

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

Prices

Airlines

Other information

What is the cheapest month to fly to Kaua'i?

In general, January is the cheapest month to fly from Missouri to Kaua'i. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $504. The month of November is another great option to travel to Kaua'i, with average flight prices from Missouri averaging around $552.

What is the cheapest day to depart on your flight to Kaua'i?

According to our data, Tuesday is the cheapest day to fly to Kaua'i from Missouri. The lowest ticket price found for a Tuesday departure recently was $585. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $884. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kaua'i.

What is the cheapest time of day to depart on your flight to Kaua'i?

The cheapest time of day to fly to Kaua'i is in the evening when flights can be purchased for as low as $622. In contrast, the most expensive time of day to depart to Kaua'i is in the afternoon when prices are around $1,338.

How far in advance should I book a flight to Kaua'i?

You are more likely to see cheaper flights to Kaua'i from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Kaua'i for around $713 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kaua'i from Missouri for as low as $476 on momondo.

Can stopping save me money on Missouri to Kaua'i flights?

No. A direct flight is the cheapest option for a flight between Missouri to Kaua'i.

Cheap Missouri to Kaua'i flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Kaua'i

Direct flights	None

There are no direct flights from Missouri to Kaua'i. There are no popular flight routes from Missouri to Kaua'i.

Search flight deals

When did momondo last update prices for flights from Missouri to Kaua'i?
Prices for flights from Missouri to Kaua'i are refreshed on a daily basis.
How many operators does momondo search for flights from Missouri to Kaua'i?
As of October 2025, there are 6 operators available to choose from for flights from Missouri to Kaua'i.
How old do you have to be to fly from Missouri to Kaua'i?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Kaua'i.
What documentation or ID do you need to fly to Kaua'i?
The travel and health documents required for your trip to Kaua'i can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kaua'i. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Missouri to Kaua'i?
Based on momondo bookings for flights between Missouri and Kaua'i, the leading plane model is Boeing 737 MAX 8, making up 20.56% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 17.50%, Boeing 737-700 Passenger/BBJ1 (winglets) with 10.47%, and Boeing 737-800 with 6.83%.

Best airlines flying from Missouri to Kaua'i

Compare and see reviews for airlines that fly from Missouri to Kaua'i with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $287	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
American Airlines	PriceFrom $389	Free Cancellation	Rating 7.2 11,030 reviews	Search American Airlines flights
Southwest	PriceFrom $430	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $446	Free Cancellation	Rating 8.0 11,214 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $446	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $490	Free Cancellation	Rating 7.8 2,797 reviews	Search Hawaiian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Kaua'i?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Kaua'i. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Missouri to Kaua'i with flexible booking policies on momondo?

Yes. All flights to Kaua'i from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Kaua'i?

Once all potential Missouri to Kaua'i flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Missouri to Kaua'i right now. Can momondo alert me if prices change?

Price alerts on flights to Kaua'i from Missouri 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.