Find cheap flights from Lewiston to Knoxville from $344

In the last 3 days, the lowest price for a flight from Lewiston, Idaho to Knoxville was $344 for a round-trip ticket.

No, a passport isn't needed to fly from Lewiston to Knoxville. However, local authorities might ask for an official ID.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between Lewiston and Knoxville.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Lewiston to Knoxville.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knoxville from Lewiston is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Knoxville with an airline and back to Lewiston with another airline. Booking your flights between Lewiston and TYS can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knoxville from Lewiston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.