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$600+ Cheap flights from Lewiston, ID to Knoxville (LWS - 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — TYS
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap flight deals from Lewiston to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Lewiston (LWS) 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 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$600
(Delta)
Provider with most accurate pricing for Lewiston Nez Perce Rgnl-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-Knoxville McGhee Tyson flights.
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From Lewiston Nez Perce Rgnl to Knoxville McGhee Tyson
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Find flight deals from Lewiston to Knoxville

Cheapest flights from Lewiston to Knoxville
Explore the most affordable flight options available from Lewiston to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This Delta deal was found by Cheapflights users on 11/4. 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 12/107:00 amLWS - TYS
2 stops13h 18mDelta
Sat 12/133:50 pmTYS - LWS
2 stops32h 12mDelta
Deal found 11/4$600

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lewiston 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 5, 2025.
Use the filters below to find and compare flights from Lewiston to Knoxville that are best for you.

Fly from

Lewiston

Fly to

Knoxville

Route

Depart

Return

Price

LewistonKnoxville

LWS - TYS

LWSTYS

Lewiston Nez Perce Rgnl

Wed 12/10

7:00 am-11:18 pm

2 stops13h 18m

Knoxville McGhee Tyson

Sat 12/13

3:50 pm-9:02 pm

2 stops32h 12m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

  • Most accurate provider: When it comes to deals on Lewiston, Idaho-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lewiston, Idaho-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lewiston, Idaho-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lewiston, Idaho-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lewiston, Idaho-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lewiston to Knoxville

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

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

Currently, May is the cheapest month in which you can book a flight from Lewiston, Idaho to Knoxville (average of $148). Flying from Lewiston, Idaho to Knoxville in March is currently the most expensive (average of $295). 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 Lewiston 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 Lewiston, Idaho to Knoxville?

    Delta can get you from Lewiston, Idaho to Knoxville in just under 13h 18m. Your travel time can differ by up to . The distance from Lewiston, Idaho to Knoxville is about 1850 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lewiston 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.

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

    Currently, May is the cheapest month in which you can book a flight from Lewiston, Idaho to Knoxville (average of $148). Flying from Lewiston, Idaho to Knoxville in March is currently the most expensive (average of $295). 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

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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