Cheap flights from Great Falls to Knoxville (GTF - TYS)

Travelers have found that booking a Saturday departure is the best way to save up to 74% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

It’s typically best to fly out from Great Falls to Knoxville at noon. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

Great Falls Airport is GTF and Knoxville McGhee Tyson Airport is TYS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.