Lewiston

$411+ Cheap flights from Knoxville to Lewiston, ID (TYS - LWS)

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LWS
Oct 11 — Oct 181
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Cheap flight deals from Knoxville to Lewiston

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Lewiston (LWS). 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 September 11, 2025.

Round-trip from

$411
(Delta)
From Knoxville McGhee Tyson to Lewiston Nez Perce Rgnl

Find flight deals from Knoxville to Lewiston

Cheapest flights from Knoxville to Lewiston
Explore the most affordable flight options available from Knoxville to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 11/16:40 amTYS - LWS
2 stops17h 23mDelta
Tue 11/47:10 amLWS - TYS
2 stops13h 12mDelta
Deal found 9/10$411
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 9/261:52 pmTYS - LWS
2 stops10h 13mDelta
Tue 9/307:05 amLWS - TYS
2 stops13h 39mDelta
Deal found 9/11$1,593

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Lewiston 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 September 11, 2025.
Use the filters below to find and compare flights from Knoxville to Lewiston that are best for you.

Fly from

Knoxville

Fly to

Lewiston

Route

Depart

Return

Price

KnoxvilleLewiston

TYS - LWS

TYSLWS

Knoxville McGhee Tyson

Sat 11/1

9:30 am-9:03 pm

2 stops14h 33m

Lewiston Nez Perce Rgnl

Tue 11/4

7:10 am-10:55 pm

2 stops12h 45m

$411

KnoxvilleLewiston

TYS - LWS

TYSLWS

Knoxville McGhee Tyson

Fri 9/26

1:52 pm-9:05 pm

2 stops10h 13m

Lewiston Nez Perce Rgnl

Tue 9/30

7:05 am-11:44 pm

2 stops13h 39m

$1,593

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Knoxville to Lewiston

Have a flexible travel schedule? Discover the best time to fly to Lewiston 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 Lewiston

What is the cheapest month to book a flight from Knoxville to Lewiston, Idaho?

Currently, February is the cheapest month in which you can book a flight from Knoxville to Lewiston, Idaho (average of $278). Flying from Knoxville to Lewiston, Idaho in May is currently the most expensive (average of $524). 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.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Lewiston. 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 Knoxville to Lewiston, Idaho?

    A quick flight from Knoxville to Lewiston, Idaho can take about 14h 33m. Delta provides one of the quickest options available for as low as $411. The distance from Knoxville to Lewiston, Idaho is about 1850 mi.

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

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

  • How can I find direct flights from Knoxville to Lewiston?

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Lewiston 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 Lewiston, Idaho?

    Currently, February is the cheapest month in which you can book a flight from Knoxville to Lewiston, Idaho (average of $278). Flying from Knoxville to Lewiston, Idaho in May is currently the most expensive (average of $524). 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.

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