In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest time of day to fly from LWS to TYS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lewiston, Idaho to Knoxville as you normally would.

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.

$552+ Flights from Lewiston, ID to Knoxville

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Cheap flight deals from Lewiston to Knoxville

Round-trip from	$552 (Delta)

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 June 30, 2025.

Sat 9/67:05 amLWS - TYS

2 stops25h 29mDelta

Tue 9/96:36 amTYS - LWS

2 stops17h 27mDelta

Deal found 6/29

$552

Best flights from Lewiston to Knoxville
Discover carefully curated flight deals from Lewiston to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2025.

Sat 9/67:05 amLWS - TYS

2 stops25h 29mDelta

Tue 9/96:36 amTYS - LWS

2 stops17h 27mDelta

Deal found 6/29

$552

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lewiston to Knoxville that are best for you.

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Price

LewistonKnoxville

LWS - TYS

LWSTYS

Lewiston Nez Perce Rgnl

Sat 9/6

7:05 am-11:34 am

2 stops25h 29m

Knoxville McGhee Tyson

Tue 9/9

6:36 am-9:03 pm

2 stops17h 27m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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, January is the cheapest month in which you can book a flight from Lewiston, Idaho to Knoxville (average of $296). Flying from Lewiston, Idaho to Knoxville in March is currently the most expensive (average of $376). 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 Knoxville

Get a feel of what it's like to fly with Delta from Lewiston to Knoxville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,973 reviews

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!

Delta

8.0

Very good

7,973 reviews

Delta

8.0

Very good

7,973 reviews

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

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, January is the cheapest month in which you can book a flight from Lewiston, Idaho to Knoxville (average of $296). Flying from Lewiston, Idaho to Knoxville in March is currently the most expensive (average of $376). 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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Oak Ridge

Murphy

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$552+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lewiston to Knoxville with Cheapflights

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Cheap flight deals from Lewiston to Knoxville

Round-trip from

Find flight deals from Lewiston to Knoxville

Cheapest flights from Lewiston to KnoxvilleExplore 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 June 30, 2025.

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 June 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lewiston to Knoxville that are best for you.

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.

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?

Reviews of airlines servicing Knoxville

Get a feel of what it's like to fly with Delta from Lewiston to Knoxville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

How can I find direct flights from Lewiston to Knoxville?

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

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

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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 June 30, 2025.