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$658+ Cheap flights from Twin Falls to Knoxville (TWF - TYS)

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
TWF — TYS
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Twin Falls to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Twin Falls (TWF) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 6, 2025.

Round-trip from

$658
(Delta)
From Twin Falls Joslin to Knoxville McGhee Tyson
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Find flight deals from Twin Falls to Knoxville

Cheapest flights from Twin Falls to Knoxville
Explore the most affordable flight options available from Twin Falls to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Delta deal was found by Cheapflights users on 11/5. 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.
Tue 11/186:00 amTWF - TYS
2 stops12h 00mDelta
Tue 12/163:57 pmTYS - TWF
2 stops8h 38mDelta
Deal found 11/5$658
This Delta deal was found by Cheapflights users on 11/5. 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.
Wed 11/196:00 amTWF - TYS
2 stops12h 00mDelta
Tue 12/1612:50 pmTYS - TWF
2 stops11h 45mDelta
Deal found 11/5$968

Cheapflights Fare Finder

 
Customize your flight search to find flights from Twin Falls to Knoxville 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 November 6, 2025.
Use the filters below to find and compare flights from Twin Falls to Knoxville that are best for you.

Fly from

Twin Falls

Fly to

Knoxville

Route

Depart

Return

Price

Twin FallsKnoxville

TWF - TYS

TWFTYS

Twin Falls Joslin

Tue 11/18

6:00 am-8:00 pm

2 stops12h 00m

Knoxville McGhee Tyson

Tue 12/16

3:57 pm-10:35 pm

2 stops8h 38m

$658

Twin FallsKnoxville

TWF - TYS

TWFTYS

Twin Falls Joslin

Wed 11/19

6:00 am-8:00 pm

2 stops12h 00m

Knoxville McGhee Tyson

Tue 12/16

12:50 pm-10:35 pm

2 stops11h 45m

$968

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Best time to book a flight from Twin Falls to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Twin Falls 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.

Related info for your journey

Find useful and relevant information for your journey from Twin Falls to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Twin Falls to Knoxville?

    Departing from Twin Falls to Knoxville will take you 12h. The distance from Twin Falls to Knoxville is about 1687 mi.

  • Can I find deals for flights from Twin Falls to Knoxville that include hotel bookings?

    Yes. In addition to deals on Twin Falls to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Twin Falls to Knoxville?

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

  • Can I find deals for business class flights from Twin Falls to Knoxville?

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

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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