Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Knoxville to Kaua'i from $590

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Kaua'i departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Knoxville to Kaua'i

Cheap round-trip flights

Delta Logo
5:45 am - 5:18 pmTYS-LIH
17h 33m2 stops
Delta Logo
8:28 pm - 10:42 amLIH-TYS
32h 14m2 stops
$590Delta
Find Deal
Mon, Sep 1 - Mon, Sep 8
Delta Logo
5:44 am - 8:03 pmTYS-LIH
19h 19m2 stops
Delta Logo
10:26 pm - 10:59 pmLIH-TYS
19h 33m2 stops
$652Delta
Find Deal
Thu, Nov 6 - Mon, Nov 17
Delta Logo
5:45 am - 5:21 pmTYS-LIH
17h 36m2 stops
Delta Logo
9:40 pm - 5:03 pmLIH-TYS
13h 23m2 stops
$657Delta
Find Deal
Mon, Sep 15 - Sun, Sep 28
United Airlines Logo
4:40 pm - 11:54 amTYS-LIH
25h 14m2 stops
United Airlines Logo
11:10 pm - 11:57 pmLIH-TYS
18h 47m2 stops
$789United Airlines
Find Deal
Fri, Sep 5 - Fri, Sep 12
United Airlines Logo
7:00 am - 7:58 pmTYS-LIH
42h 58m3 stops
United Airlines Logo
11:10 pm - 11:57 pmLIH-TYS
18h 47m2 stops
$814United Airlines
Find Deal
Fri, Sep 5 - Fri, Sep 12
United Airlines Logo
7:00 am - 11:54 amTYS-LIH
34h 54m3 stops
United Airlines Logo
11:10 pm - 11:57 pmLIH-TYS
18h 47m2 stops
$860United Airlines
Find Deal
Fri, Sep 5 - Fri, Sep 12
American Airlines Logo
5:19 pm - 12:14 pmTYS-LIH
24h 55m2 stops
American Airlines Logo
9:40 pm - 11:07 pmLIH-TYS
19h 27m2 stops
$875American Airlines
Find Deal
Sat, Oct 4 - Mon, Oct 13
American Airlines Logo
2:07 pm - 12:14 pmTYS-LIH
28h 07m2 stops
American Airlines Logo
9:40 pm - 11:07 pmLIH-TYS
19h 27m2 stops
$886American Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 13
United Airlines Logo
4:40 pm - 12:05 pmTYS-LIH
25h 25m2 stops
United Airlines Logo
7:40 pm - 3:06 pmLIH-TYS
13h 26m1 stop
$930United Airlines
Find Deal
Sat, Oct 4 - Mon, Oct 13
American Airlines Logo
6:00 am - 2:27 pmTYS-LIH
14h 27m2 stops
American Airlines Logo
1:45 pm - 11:44 amLIH-TYS
15h 59m2 stops
$1,243American Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 12

American Airlines flights from Knoxville to Kaua'i

Our best American Airlines deals on Knoxville to Kaua'i flight tickets
American Airlines
Oct 4
TYS5:19 pmKnoxville McGhee Tyson
24h 55m
2 stops
LIH12:14 pmLihue
Oct 13
LIH9:40 pmLihue
19h 27m
2 stops
TYS11:07 pmKnoxville McGhee Tyson
$875
Find similar
American Airlines
Oct 3
TYS2:07 pmKnoxville McGhee Tyson
28h 07m
2 stops
LIH12:14 pmLihue
Oct 13
LIH9:40 pmLihue
19h 27m
2 stops
TYS11:07 pmKnoxville McGhee Tyson
$886
Find similar
American Airlines
Oct 3
TYS6:00 amKnoxville McGhee Tyson
14h 27m
2 stops
LIH2:27 pmLihue
Oct 12
LIH1:45 pmLihue
15h 59m
2 stops
TYS11:44 amKnoxville McGhee Tyson
$1,243
Find similar

Delta flights from Knoxville to Kaua'i

Our best Delta deals on Knoxville to Kaua'i flight tickets
Delta
Sep 1
TYS5:45 amKnoxville McGhee Tyson
17h 33m
2 stops
LIH5:18 pmLihue
Sep 8
LIH8:28 pmLihue
32h 14m
2 stops
TYS10:42 amKnoxville McGhee Tyson
$590
Find similar
Delta
Nov 6
TYS5:44 amKnoxville McGhee Tyson
19h 19m
2 stops
LIH8:03 pmLihue
Nov 17
LIH10:26 pmLihue
19h 33m
2 stops
TYS10:59 pmKnoxville McGhee Tyson
$652
Find similar
Delta
Sep 15
TYS5:45 amKnoxville McGhee Tyson
17h 36m
2 stops
LIH5:21 pmLihue
Sep 28
LIH9:40 pmLihue
13h 23m
2 stops
TYS5:03 pmKnoxville McGhee Tyson
$657
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Kaua'i 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 July 31, 2025.
Use the filters below to find and compare flights from Knoxville to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Mon 9/1

5:45 am-5:18 pm

2 stops17h 33m

Lihue

Mon 9/8

8:28 pm-10:42 am

2 stops32h 14m

$590

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Thu 11/6

5:44 am-8:03 pm

2 stops19h 19m

Lihue

Mon 11/17

10:26 pm-10:59 pm

2 stops19h 33m

$652

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Mon 9/15

5:45 am-5:21 pm

2 stops17h 36m

Lihue

Sun 9/28

9:40 pm-5:03 pm

2 stops13h 23m

$657

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Fri 9/5

4:40 pm-11:54 am

2 stops25h 14m

Lihue

Fri 9/12

11:10 pm-11:57 pm

2 stops18h 47m

$789

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Fri 9/5

7:00 am-7:58 pm

3 stops42h 58m

Lihue

Fri 9/12

11:10 pm-11:57 pm

2 stops18h 47m

$814

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Fri 9/5

7:00 am-11:54 am

3 stops34h 54m

Lihue

Fri 9/12

11:10 pm-11:57 pm

2 stops18h 47m

$860

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Sat 10/4

5:19 pm-12:14 pm

2 stops24h 55m

Lihue

Mon 10/13

9:40 pm-11:07 pm

2 stops19h 27m

$875

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Fri 10/3

2:07 pm-12:14 pm

2 stops28h 07m

Lihue

Mon 10/13

9:40 pm-11:07 pm

2 stops19h 27m

$886

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Sat 10/4

4:40 pm-12:05 pm

2 stops25h 25m

Lihue

Mon 10/13

7:40 pm-3:06 pm

1 stop13h 26m

$930

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Fri 10/3

6:00 am-2:27 pm

2 stops14h 27m

Lihue

Sun 10/12

1:45 pm-11:44 am

2 stops15h 59m

$1,243

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Kaua'i from

How to get the cheapest flight ticket from Knoxville 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

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

In general, January is the cheapest month to fly from Knoxville to Kaua'i. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $993. The month of May is another great option to travel to Kaua'i, with average flight prices from Knoxville averaging around $1,008.

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 Knoxville. The lowest ticket price found for a Tuesday departure recently was $640. 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 Sunday because tickets tend to average around $1,631. 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 afternoon when flights can be purchased for as low as $718. In contrast, the most expensive time of day to depart to Kaua'i is in the morning when prices are around $1,255.

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

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

Cheap Knoxville to Kaua'i flight deals and tips

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

Best Price Found

$590

Fastest flight time

12h 35m

Direct flights

None

Airports in Kaua'i

1 airport
The best flight deal from Knoxville to Kaua'i found on momondo in the last 72 hours is $590
The fastest flight from Knoxville to Kaua'i takes 12h 35m
There are no direct flights from Knoxville to Kaua'i. Popular non-direct route for this connection is Knoxville McGhee Tyson Airport - Lihue Airport.
There is 1 airport near Kaua'i: Lihue (LIH)
Search flight deals

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Kaua'i?

    Prices for flights from Knoxville McGhee Tyson Airport to Kaua'i are updated daily.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Kaua'i?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Kaua'i?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Kaua'i.

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

    The necessary travel and health documents for your Kaua'i 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 plane model from Knoxville to Kaua'i?

Best airlines flying from Knoxville to Kaua'i

Compare and see reviews for airlines that fly from Knoxville to Kaua'i with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $739Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,017Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Kaua'i. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Knoxville to Kaua'i flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kaua'i from Knoxville.

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

If you are not ready to book a flight from Knoxville to Kaua'i now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kaua'i and let you know when they change.

An easier way to manage your Kaua'i trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Kaua'i

Popular cities in Kaua'i

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $39
Flights to Los Angelesfrom $37
Flights to Miamifrom $58
Flights to Chicagofrom $59
Flights to Orlandofrom $54
Flights to Las Vegasfrom $35
Flights to San Franciscofrom $49
Flights to Washington, D.C.from $49
Flights to Bostonfrom $77
Flights to Atlantafrom $29
Flights to Dallasfrom $55
Flights to Seattlefrom $93