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

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

What airlines fly to Kaua'i?

United Airlines, Alaska 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 31% 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.

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

On average, it takes 13h 45m 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 15h 11m.

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 March 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.

$222 Cheap Flights from Missouri to Kaua'i in 2026

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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.

6:21 am - 12:22 pm

STL

LIH

11h 01m

1 stop

9:30 pm - 1:51 pm

LIH

STL

11h 21m

1 stop

$444American Airlines

Mon, Apr 27 - Wed, May 6

6:30 am - 12:12 pm

STL

LIH

10h 42m

1 stop

9:41 pm - 4:42 pm

LIH

STL

14h 01m

2 stops

$450American Airlines

Wed, Aug 19 - Tue, Aug 25

7:30 am - 5:12 pm

STL

LIH

14h 42m

2 stops

9:45 pm - 6:00 pm

LIH

STL

15h 15m

2 stops

$455Delta

Wed, Aug 19 - Tue, Aug 25

7:00 am - 5:40 pm

STL

LIH

15h 40m

2 stops

8:20 pm - 5:26 pm

LIH

STL

16h 06m

2 stops

$495Delta

Mon, Apr 20 - Mon, Apr 27

6:20 am - 4:10 pm

STL

LIH

14h 50m

2 stops

9:10 pm - 1:35 pm

LIH

STL

11h 25m

2 stops

$503Southwest

Mon, Apr 27 - Wed, May 6

6:45 am - 3:04 pm

MCI

LIH

13h 19m

2 stops

10:31 pm - 2:43 pm

LIH

MCI

11h 12m

1 stop

$524Multiple Airlines

Thu, Sep 17 - Wed, Sep 30

5:00 pm - 12:29 pm

MCI

LIH

24h 29m

2 stops

10:31 pm - 2:43 pm

LIH

MCI

11h 12m

1 stop

$525Multiple Airlines

Wed, Sep 2 - Thu, Sep 10

7:10 am - 4:10 pm

MCI

LIH

14h 00m

2 stops

8:10 pm - 11:25 am

LIH

MCI

10h 15m

1 stop

$526Southwest

Wed, Apr 22 - Wed, Apr 29

9:10 am - 3:40 pm

MCI

LIH

11h 30m

1 stop

7:35 pm - 10:51 am

LIH

MCI

10h 16m

1 stop

$554United Airlines

Wed, Sep 2 - Thu, Sep 10

4:59 pm - 11:50 am

SGF

LIH

23h 51m

2 stops

1:01 pm - 2:32 pm

LIH

SGF

20h 31m

2 stops

$976United Airlines

Tue, May 26 - Tue, Jun 2

American Airlines flights from Missouri to Kaua'i

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

American Airlines

Apr 27

STL6:21 amLambert-St Louis

11h 01m

1 stop

LIH12:22 pmLihue

May 6

LIH9:30 pmLihue

11h 21m

1 stop

STL1:51 pmLambert-St Louis

$444

American Airlines

Apr 27

STL6:21 amLambert-St Louis

11h 01m

1 stop

LIH12:22 pmLihue

May 6

LIH2:12 pmLihue

13h 12m

2 stops

STL8:24 amLambert-St Louis

$450

American Airlines

Aug 19

STL10:14 amLambert-St Louis

13h 52m

2 stops

LIH7:06 pmLihue

Aug 25

LIH9:41 pmLihue

15h 33m

2 stops

STL6:14 pmLambert-St Louis

$455

Southwest flights from Missouri to Kaua'i

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

Southwest

Apr 27

STL6:20 amLambert-St Louis

14h 50m

2 stops

LIH4:10 pmLihue

May 6

LIH9:10 pmLihue

11h 25m

2 stops

STL1:35 pmLambert-St Louis

$503

Southwest

Apr 20

STL8:25 amLambert-St Louis

12h 45m

2 stops

LIH4:10 pmLihue

Apr 27

LIH8:10 pmLihue

10h 50m

1 stop

STL12:00 pmLambert-St Louis

$523

Southwest

Apr 22

MCI7:10 amKansas City

14h 00m

2 stops

LIH4:10 pmLihue

Apr 29

LIH8:10 pmLihue

10h 15m

1 stop

MCI11:25 amKansas City

$526

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Mon 4/27

6:21 am-12:22 pm

1 stop11h 01m

Lihue

Wed 5/6

9:30 pm-1:51 pm

1 stop11h 21m

$444

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Wed 8/19

6:30 am-12:12 pm

1 stop10h 42m

Lihue

Tue 8/25

9:41 pm-4:42 pm

2 stops14h 01m

$450

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Wed 8/19

7:30 am-5:12 pm

2 stops14h 42m

Lihue

Tue 8/25

9:45 pm-6:00 pm

2 stops15h 15m

$455

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Mon 4/20

7:00 am-5:40 pm

2 stops15h 40m

Lihue

Mon 4/27

8:20 pm-5:26 pm

2 stops16h 06m

$495

St. LouisLihue

STL - LIH

STLLIH

Lambert-St Louis

Mon 4/27

6:20 am-4:10 pm

2 stops14h 50m

Lihue

Wed 5/6

9:10 pm-1:35 pm

2 stops11h 25m

$503

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Thu 9/17

6:45 am-3:04 pm

2 stops13h 19m

Lihue

Wed 9/30

10:31 pm-2:43 pm

1 stop11h 12m

$524

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Wed 9/2

5:00 pm-12:29 pm

2 stops24h 29m

Lihue

Thu 9/10

10:31 pm-2:43 pm

1 stop11h 12m

$525

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Wed 4/22

7:10 am-4:10 pm

2 stops14h 00m

Lihue

Wed 4/29

8:10 pm-11:25 am

1 stop10h 15m

$526

Quickest round-trip

Kansas CityLihue

MCI - LIH

MCILIH

Kansas City

Wed 9/2

9:10 am-3:40 pm

1 stop11h 30m

Lihue

Thu 9/10

7:35 pm-10:51 am

1 stop10h 16m

$554

SpringfieldLihue

SGF - LIH

SGFLIH

Springfield-Branson

Tue 5/26

4:59 pm-11:50 am

2 stops23h 51m

Lihue

Tue 6/2

1:01 pm-2:32 pm

2 stops20h 31m

$976

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, November 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 $565. The month of August is another great option to travel to Kaua'i, with average flight prices from Missouri averaging around $582.

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 $758 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 $477 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

Fastest flight time	11h 14m
Direct flights	None

The fastest flight from Missouri to Kaua'i takes 11h 14m

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 March 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 27.81% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 17.93%, Boeing 737-800 with 6.56%, and Embraer 175 with 5.83%.

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 8,331 reviews	Search Delta flights
American Airlines	PriceFrom $421	Free Cancellation	Rating 7.1 11,495 reviews	Search American Airlines flights
United Airlines	PriceFrom $434	Free Cancellation	Rating 7.4 9,484 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $441	Free Cancellation	Rating 7.9 12,116 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $461	Free Cancellation	Rating 8.0 4,333 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.