Cheap flights from Knoxville to Niagara Falls from $133

Travelers frequently search for route combinations, such as Knoxville and Fort Lauderdale, Houston, Orlando, Tampa, Phoenix, Denver, Buenos Aires, Mexico City, Boston, Berlin, Belleville, Toronto, Ahmedabad, Destin, Seoul, Bucharest, Casablanca, Tehran, Reykjavik, Chicago.

Travelers frequently search for route combinations, such as Niagara Falls and Pittsburgh, Philadelphia, Richmond, Hilo, Atlanta, Oklahoma City, Bozeman, Medford, Jacksonville, Grand Rapids, Omaha, Springfield, Indianapolis, Spokane, Islip, Charlotte, Albany, Kansas City, Anchorage, Houston.

The main airport in Knoxville is McGhee Tyson. It is also served by Nashville International, Asheville Regional, McGhee Tyson, Greenville–Spartanburg International, Blue Grass, Chattanooga Metropolitan, Tri-Cities Regional.

The main airport in Niagara Falls is Niagara Falls International. It is also served by Toronto Pearson International, Billy Bishop Toronto City, Syracuse Hancock International, Greater Rochester International, Buffalo Niagara International, John C. Munro Hamilton International, London International, Region of Waterloo International, Erie International, Elmira/Corning Regional.

Currently, you can fly between Knoxville and Niagara Falls with Frontier Airlines.

If you don’t have specific dates for your trip between Knoxville and Niagara Falls, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Knoxville and Niagara Falls, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Knoxville. The main one is McGhee Tyson and other nearby airports include Nashville International, Asheville Regional, McGhee Tyson, Greenville–Spartanburg International, Blue Grass, Chattanooga Metropolitan, Tri-Cities Regional

There are a number of airports in and around Niagara Falls. The main one is Niagara Falls International and other nearby airports include Toronto Pearson International, Billy Bishop Toronto City, Syracuse Hancock International, Greater Rochester International, Buffalo Niagara International, John C. Munro Hamilton International, London International, Region of Waterloo International, Erie International, Elmira/Corning Regional.