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

Southwest, Delta, and American Airlines are the most popular carriers operating from Louisville Intl to Kaua'i

What airlines fly to Kaua'i?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Kaua'i from Louisville according to our data. United Airlines is the first choice among our users, with 57% 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 Louisville Intl Airport to Kaua'i?

Prices for flights from Louisville Intl Airport to Kaua'i are refreshed on a daily basis.

How many operators does momondo search for flights from Louisville Intl Airport to Kaua'i?

There are 2 operators available for flights from Louisville Intl Airport to Kaua'i as of June 2026.

How old do you have to be to fly from Louisville Intl Airport to Kaua'i?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Kaua'i.

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

The travel and health documents you'll need for your trip to Kaua'i may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kaua'i. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$632 Cheap Flights from Louisville to Kaua'i in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Kaua'i

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 5:40 pm

SDF

LIH

17h 10m

2 stops

9:54 pm - 9:59 pm

LIH

SDF

18h 05m

2 stops

$632Delta

Sun, Sep 20 - Mon, Sep 28

8:40 am - 4:10 pm

SDF

LIH

13h 30m

2 stops

9:30 pm - 3:40 pm

LIH

SDF

12h 10m

2 stops

$654Southwest

Thu, Oct 15 - Tue, Oct 20

6:30 am - 5:40 pm

SDF

LIH

17h 10m

2 stops

9:54 pm - 9:16 pm

LIH

SDF

17h 22m

2 stops

$666Delta

Sun, Sep 20 - Mon, Sep 28

8:00 am - 3:40 pm

SDF

LIH

13h 40m

1 stop

7:35 pm - 2:34 pm

LIH

SDF

12h 59m

1 stop

$677United Airlines

Thu, Oct 15 - Tue, Oct 20

8:00 am - 3:40 pm

SDF

LIH

13h 40m

1 stop

12:52 pm - 9:37 am

LIH

SDF

14h 45m

2 stops

$683United Airlines

Thu, Oct 15 - Tue, Oct 20

7:03 pm - 11:29 am

SDF

LIH

22h 26m

2 stops

10:00 pm - 6:28 pm

LIH

SDF

14h 28m

2 stops

$685American Airlines

Tue, Sep 1 - Fri, Sep 4

8:40 am - 4:10 pm

SDF

LIH

13h 30m

2 stops

8:30 pm - 4:25 pm

LIH

SDF

13h 55m

2 stops

$688Southwest

Thu, Oct 15 - Tue, Oct 20

10:25 am - 10:30 pm

SDF

LIH

17h 05m

2 stops

2:03 pm - 9:43 am

LIH

SDF

14h 40m

2 stops

$703United Airlines

Mon, Nov 9 - Wed, Nov 11

8:00 am - 3:37 pm

SDF

LIH

13h 37m

1 stop

7:35 pm - 2:29 pm

LIH

SDF

12h 54m

1 stop

$707United Airlines

Thu, Jul 16 - Thu, Aug 20

9:00 am - 10:30 pm

SDF

LIH

18h 30m

2 stops

8:30 pm - 2:20 pm

LIH

SDF

12h 50m

1 stop

$708United Airlines

Mon, Nov 9 - Wed, Nov 11

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Louisville to Kaua'i

Our best United Airlines deals on Louisville to Kaua'i flight tickets

United Airlines

Oct 15

SDF8:00 amLouisville Intl

13h 40m

1 stop

LIH3:40 pmLihue

Oct 20

LIH7:35 pmLihue

12h 59m

1 stop

SDF2:34 pmLouisville Intl

$677

United Airlines

Oct 15

SDF8:00 amLouisville Intl

13h 40m

1 stop

LIH3:40 pmLihue

Oct 20

LIH12:52 pmLihue

14h 45m

2 stops

SDF9:37 amLouisville Intl

$683

United Airlines

Nov 9

SDF10:25 amLouisville Intl

17h 05m

2 stops

LIH10:30 pmLihue

Nov 11

LIH2:03 pmLihue

14h 40m

2 stops

SDF9:43 amLouisville Intl

$703

Delta flights from Louisville to Kaua'i

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

Delta

Sep 20

SDF6:30 amLouisville Intl

17h 10m

2 stops

LIH5:40 pmLihue

Sep 28

LIH9:54 pmLihue

18h 05m

2 stops

SDF9:59 pmLouisville Intl

$632

Delta

Sep 20

SDF6:30 amLouisville Intl

17h 10m

2 stops

LIH5:40 pmLihue

Sep 28

LIH9:54 pmLihue

17h 22m

2 stops

SDF9:16 pmLouisville Intl

$666

Delta

Oct 19

SDF6:00 amLouisville Intl

19h 14m

2 stops

LIH7:14 pmLihue

Oct 26

LIH9:50 pmLihue

14h 19m

2 stops

SDF6:09 pmLouisville Intl

$817

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Sun 9/20

6:30 am-5:40 pm

2 stops17h 10m

Lihue

Mon 9/28

9:54 pm-9:59 pm

2 stops18h 05m

$632

Quickest round-trip

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Thu 10/15

8:40 am-4:10 pm

2 stops13h 30m

Lihue

Tue 10/20

9:30 pm-3:40 pm

2 stops12h 10m

$654

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Sun 9/20

6:30 am-5:40 pm

2 stops17h 10m

Lihue

Mon 9/28

9:54 pm-9:16 pm

2 stops17h 22m

$666

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Thu 10/15

8:00 am-3:40 pm

1 stop13h 40m

Lihue

Tue 10/20

7:35 pm-2:34 pm

1 stop12h 59m

$677

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Thu 10/15

8:00 am-3:40 pm

1 stop13h 40m

Lihue

Tue 10/20

12:52 pm-9:37 am

2 stops14h 45m

$683

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Tue 9/1

7:03 pm-11:29 am

2 stops22h 26m

Lihue

Fri 9/4

10:00 pm-6:28 pm

2 stops14h 28m

$685

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Thu 10/15

8:40 am-4:10 pm

2 stops13h 30m

Lihue

Tue 10/20

8:30 pm-4:25 pm

2 stops13h 55m

$688

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Mon 11/9

10:25 am-10:30 pm

2 stops17h 05m

Lihue

Wed 11/11

2:03 pm-9:43 am

2 stops14h 40m

$703

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Thu 7/16

8:00 am-3:37 pm

1 stop13h 37m

Lihue

Thu 8/20

7:35 pm-2:29 pm

1 stop12h 54m

$707

LouisvilleLihue

SDF - LIH

SDFLIH

Louisville Intl

Mon 11/9

9:00 am-10:30 pm

2 stops18h 30m

Lihue

Wed 11/11

8:30 pm-2:20 pm

1 stop12h 50m

$708

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville 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

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

In general, November is the cheapest month to fly from Louisville to Kaua'i. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $304. The month of February is another great option to travel to Kaua'i, with average flight prices from Louisville averaging around $384.

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

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

Cheap Louisville to Kaua'i flight deals and tips

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

Fastest flight time	13h 30m
Direct flights	None

The fastest flight from Louisville to Kaua'i takes 13h 30m

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

Search flight deals

Frequently asked questions about flying from Louisville to Kaua'i

When did momondo last update prices for flights from Louisville Intl Airport to Kaua'i?
Prices for flights from Louisville Intl Airport to Kaua'i are refreshed on a daily basis.
How many operators does momondo search for flights from Louisville Intl Airport to Kaua'i?
There are 2 operators available for flights from Louisville Intl Airport to Kaua'i as of June 2026.
How old do you have to be to fly from Louisville Intl Airport to Kaua'i?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Kaua'i.
What documentation or ID do you need to fly to Kaua'i?
The travel and health documents you'll need for your trip to Kaua'i may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kaua'i. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Louisville to Kaua'i?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Louisville to Kaua'i is Embraer 175 (16.08% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (16.02%), Airbus A319 (10.73%), and Airbus A320-100/200 (10.39%).

Best airlines flying from Louisville to Kaua'i

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $514	Free Cancellation	Rating 7.4 9,894 reviews		Search United Airlines flights
Southwest	PriceFrom $565	Free Cancellation	Rating 7.9 4,246 reviews		Search Southwest flights

Why use momondo?

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

Finding the right flight to Kaua'i from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kaua'i quick and easy, saving you time and money.

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

All flight searches from Louisville to Kaua'i on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Louisville and Kaua'i by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Kaua'i from Louisville 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.