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 15h 25m to fly from Missouri to Kaua'i if you fly out of St. Louis (the most popular airport in Missouri) and into Copenhagen (the most popular airport in Kaua'i). If you’re flying out of Kansas City and into Copenhagen, then the flight time is around 19h 40m.

What airlines fly to Kaua'i?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Kaua'i from Missouri according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Kaua'i. Keep in mind that there are 5 different airlines that fly to Kaua'i on a routine basis, so you have a few additional options to choose from.

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 August 2026, there are 5 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.

$232 Cheap Flights from Missouri to Kaua'i in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Kaua'i

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 3:02 pmSTL Lambert-St Louis-LIH Lihue

12h 02m1 stop Phoenix Sky Harbor Intl

1:25 pm - 10:18 amLIH Lihue-STL Lambert-St Louis

15h 53m2 stops Los Angeles Chicago O'Hare Intl

$374American Airlines

Mon, Sep 28 - Thu, Oct 1

8:00 am - 3:02 pmSTL Lambert-St Louis-LIH Lihue

12h 02m1 stop Phoenix Sky Harbor Intl

1:25 pm - 10:13 amLIH Lihue-STL Lambert-St Louis

15h 48m2 stops Los Angeles Chicago O'Hare Intl

$374American Airlines

Mon, Sep 28 - Fri, Oct 2

9:13 am - 4:59 pmSTL Lambert-St Louis-LIH Lihue

11h 46m1 stop Denver Intl

8:30 pm - 12:43 pmLIH Lihue-STL Lambert-St Louis

12h 13m1 stop Denver Intl

$386United Airlines

Mon, Dec 7 - Mon, Dec 14

9:13 am - 4:59 pmSTL Lambert-St Louis-LIH Lihue

11h 46m1 stop Denver Intl

8:30 pm - 12:43 pmLIH Lihue-STL Lambert-St Louis

12h 13m1 stop Denver Intl

$386United Airlines

Tue, Dec 8 - Mon, Dec 14

6:00 am - 5:36 pmSTL Lambert-St Louis-LIH Lihue

16h 36m2 stops Atlanta Hartsfield-Jackson Los Angeles

9:51 pm - 5:44 pmLIH Lihue-STL Lambert-St Louis

14h 53m2 stops Seattle/Tacoma Intl Salt Lake City

$415Delta

Tue, Oct 20 - Wed, Oct 28

6:40 am - 8:22 pmMCI Kansas City-LIH Lihue

17h 42m2 stops Salt Lake City Seattle/Tacoma Intl

10:26 pm - 2:47 pmLIH Lihue-MCI Kansas City

12h 21m1 stop Los Angeles

$436Delta

Sun, Jan 17 - Mon, Feb 8

5:40 am - 1:15 pmSTL Lambert-St Louis-LIH Lihue

11h 35m1 stop Las Vegas Harry Reid Intl

7:10 pm - 11:50 amLIH Lihue-STL Lambert-St Louis

12h 40m2 stops Honolulu Los Angeles

$440Southwest

Mon, Nov 9 - Tue, Nov 17

5:05 am - 1:15 pmSTL Lambert-St Louis-LIH Lihue

12h 10m1 stop Las Vegas Harry Reid Intl

9:05 pm - 2:40 pmLIH Lihue-STL Lambert-St Louis

13h 35m1 stop Las Vegas Harry Reid Intl

$456Southwest

Wed, Nov 4 - Tue, Nov 10

6:08 pm - 11:20 amSTL Lambert-St Louis-LIH Lihue

22h 12m1 stop Portland

12:47 pm - 2:11 pmLIH Lihue-STL Lambert-St Louis

20h 24m1 stop Seattle/Tacoma Intl

$464Multiple Airlines

Tue, Sep 22 - Wed, Sep 30

6:08 pm - 11:20 amSTL Lambert-St Louis-LIH Lihue

22h 12m1 stop Portland

11:25 am - 5:10 pmLIH Lihue-STL Lambert-St Louis

24h 45m1 stop Portland

$465Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

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American Airlines flights from Missouri to Kaua'i

Our best American Airlines deals on Missouri to Kaua'i flight tickets

American Airlines

Sep 28

STL8:00 amLambert-St Louis

12h 02m

1 stop

LIH3:02 pmLihue

Oct 2

LIH1:25 pmLihue

15h 48m

2 stops

STL10:13 amLambert-St Louis

$374

American Airlines

Sep 28

STL8:00 amLambert-St Louis

12h 02m

1 stop

LIH3:02 pmLihue

Oct 1

LIH9:10 pmLihue

18h 42m

1 stop

STL8:52 pmLambert-St Louis

$426

American Airlines

Sep 15

STL8:00 amLambert-St Louis

12h 02m

1 stop

LIH3:02 pmLihue

Sep 22

LIH9:10 pmLihue

11h 34m

1 stop

STL1:44 pmLambert-St Louis

$547

Alaska Airlines flights from Missouri to Kaua'i

Our best Alaska Airlines deals on Missouri to Kaua'i flight tickets

Alaska Airlines

Jan 6

MCI3:34 pmKansas City

11h 22m

1 stop

LIH10:56 pmLihue

Jan 15

LIH11:31 pmLihue

11h 12m

1 stop

MCI2:43 pmKansas City

$497

Alaska Airlines

Jan 11

STL3:24 pmLambert-St Louis

11h 32m

1 stop

LIH10:56 pmLihue

Jan 20

LIH11:31 pmLihue

10h 55m

1 stop

STL2:26 pmLambert-St Louis

$518

Alaska Airlines

Jan 11

STL3:24 pmLambert-St Louis

11h 32m

1 stop

LIH10:56 pmLihue

Jan 18

LIH11:31 pmLihue

10h 55m

1 stop

STL2:26 pmLambert-St Louis

$521

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLihue

STL Lambert-St Louis - LIH Lihue

STLLIH

Lambert-St Louis

Mon 9/28

8:00 am-3:02 pm

1 stop12h 02m

Lihue

Thu 10/1

1:25 pm-10:18 am

2 stops15h 53m

$374

St. LouisLihue

STL Lambert-St Louis - LIH Lihue

STLLIH

Lambert-St Louis

Mon 9/28

8:00 am-3:02 pm

1 stop12h 02m

Lihue

Fri 10/2

1:25 pm-10:13 am

2 stops15h 48m

$374

Quickest round-trip

St. LouisLihue

STL Lambert-St Louis - LIH Lihue

STLLIH

Lambert-St Louis

Mon 12/7

9:13 am-4:59 pm

1 stop11h 46m

Lihue

Mon 12/14

8:30 pm-12:43 pm

1 stop12h 13m

$386

St. LouisLihue

STL Lambert-St Louis - LIH Lihue

STLLIH

Lambert-St Louis

Tue 12/8

9:13 am-4:59 pm

1 stop11h 46m

Lihue

Mon 12/14

8:30 pm-12:43 pm

1 stop12h 13m

$386

St. LouisLihue

STL Lambert-St Louis - LIH Lihue

STLLIH

Lambert-St Louis

Tue 10/20

6:00 am-5:36 pm

2 stops16h 36m

Lihue

Wed 10/28

9:51 pm-5:44 pm

2 stops14h 53m

$415

Kansas CityLihue

MCI Kansas City - LIH Lihue

MCILIH

Kansas City

Sun 1/17

6:40 am-8:22 pm

2 stops17h 42m

Lihue

Mon 2/8

10:26 pm-2:47 pm

1 stop12h 21m

$436

St. LouisLihue

STL Lambert-St Louis - LIH Lihue

STLLIH

Lambert-St Louis

Mon 11/9

5:40 am-1:15 pm

1 stop11h 35m

Lihue

Tue 11/17

7:10 pm-11:50 am

2 stops12h 40m

$440

St. LouisLihue

STL Lambert-St Louis - LIH Lihue

STLLIH

Lambert-St Louis

Wed 11/4

5:05 am-1:15 pm

1 stop12h 10m

Lihue

Tue 11/10

9:05 pm-2:40 pm

1 stop13h 35m

$456

St. LouisLihue

STL Lambert-St Louis - LIH Lihue

STLLIH

Lambert-St Louis

Tue 9/22

6:08 pm-11:20 am

1 stop22h 12m

Lihue

Wed 9/30

12:47 pm-2:11 pm

1 stop20h 24m

$464

St. LouisLihue

STL Lambert-St Louis - LIH Lihue

STLLIH

Lambert-St Louis

Tue 9/15

6:08 pm-11:20 am

1 stop22h 12m

Lihue

Tue 9/22

11:25 am-5:10 pm

1 stop24h 45m

$465

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 $615. The month of April is another great option to travel to Kaua'i, with average flight prices from Missouri averaging around $633.

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

Fastest flight time	10h 05m
Direct flights	None

The fastest flight from Missouri to Kaua'i takes 10h 05m

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

Search flight deals

Frequently asked questions about flying from Missouri to Kaua'i

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 August 2026, there are 5 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 22.93% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 13.72%, Embraer 175 (Enhanced Winglets) with 7.56%, and Boeing 737-800 with 7.54%.

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 $308	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
United Airlines	PriceFrom $410	Free Cancellation	Rating 7.4 10,108 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $424	Free Cancellation	Rating 7.9 12,809 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $455	Free Cancellation	Rating 7.1 11,927 reviews	Search American Airlines flights
Southwest	PriceFrom $461	Free Cancellation	Rating 8.0 4,220 reviews	Search Southwest 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.