Kaua'i

$643+ Cheap flights from Knoxville (TYS) to Kaua'i

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LIH
Jul 28 — Aug 41
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Cheap flight deals from Knoxville to Kaua'i

Keep the following information in mind while searching for Knoxville to Kaua'i flight deals. Data was last updated July 23, 2025.

Round-trip from

$643
(Delta)

Popular in

December

Cheapest in

January

Average price

$1,569
From Knoxville McGhee Tyson to Kaua'i
Highest demand for flights based on searches. 3% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Knoxville to Kaua'i

Cheapest flights from Knoxville to Kaua'i
Explore the most affordable flight options available from Knoxville to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2025.

This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:45 amTYS - LIH
2 stops17h 36mDelta
Tue 9/238:32 pmLIH - TYS
2 stops17h 30mDelta
Deal found 7/21$643
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:25 pmTYS - LIH
2 stops22h 00mUnited Airlines
Sun 9/287:40 pmLIH - TYS
2 stops21h 10mUnited Airlines
Deal found 7/22$745
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/42:07 pmTYS - LIH
2 stops28h 07mAmerican Airlines
Fri 10/101:45 pmLIH - TYS
2 stops16h 00mAmerican Airlines
Deal found 7/20$955

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2025.
Use the filters below to find and compare flights from Knoxville to Kaua'i that are best for you.

Fly from

Knoxville

Fly to

Kaua'i

Route

Depart

Return

Price

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Mon 9/15

5:45 am-5:21 pm

2 stops17h 36m

Lihue

Tue 9/23

8:32 pm-8:02 pm

2 stops17h 30m

$643

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Mon 9/15

7:25 pm-11:25 am

2 stops22h 00m

Lihue

Sun 9/28

7:40 pm-10:50 pm

2 stops21h 10m

$745

KnoxvilleLihue

TYS - LIH

TYSLIH

Knoxville McGhee Tyson

Sat 10/4

2:07 pm-12:14 pm

2 stops28h 07m

Lihue

Fri 10/10

1:45 pm-11:45 am

2 stops16h 00m

$955

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Best time to book a flight from Knoxville to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Kaua'i

What is the cheapest month to book a flight from Knoxville to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from Knoxville to Kaua'i (average of $440). Flying from Knoxville to Kaua'i in June is currently the most expensive (average of $689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kaua'i. Reviews last updated July 23, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Knoxville to Kaua'i by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Knoxville to Kaua'i?

    Knoxville McGhee Tyson (TYS) is the airport you will fly out of if you book a flight from Knoxville to Kaua'i. It is only a 11.3 mi journey to McGhee Tyson (TYS) from Knoxville’s city center.

  • Can I find deals for flights from Knoxville to Kaua'i that include hotel bookings?

    Yes. In addition to deals on Knoxville to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Kaua'i?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Kaua'i.

  • Can I find deals for business class flights from Knoxville to Kaua'i?

    Yes. Cheapflights offers flight deals from Knoxville to Kaua'i by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from Knoxville to Kaua'i (average of $440). Flying from Knoxville to Kaua'i in June is currently the most expensive (average of $689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Knoxville to Kaua'i

Discover the top 2 airlines that operate flights from Knoxville to Kaua'i. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$739Average$1,226FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,017Average$1,277FlexibilityNo cancel feeOn-time69%

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