It’s typically best to fly out from Knoxville to Green Bay at noon. Doing so could potentially save you 38% on the flight price compared to flying in the afternoon, which is usually more expensive.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, July can be a great choice for travel to Green Bay. Flights to Green Bay from Knoxville in July are about $293 on average during July, but can be found for as low as $185.
Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Green Bay. Check prices with Cheapflights to find a great deal for your trip.