Cheap flights from Knoxville to Ontario from $333

Travelers frequently search for route combinations, such as Knoxville and Las Vegas, New York, Boston, Denver, Seattle, Salt Lake City, Minneapolis, Santo Domingo, Fort Lauderdale, Guatemala City, Los Angeles, San Francisco, Orlando, Toronto, St. Louis, Portland, San Juan, Saint Thomas, Lisbon, Philadelphia.

Travelers frequently search for route combinations, such as Ontario and Dallas, Las Vegas, San Francisco, Denver, Portland, Guadalajara, Seattle, Phoenix, Minneapolis, Sacramento, Salt Lake City, Atlanta, Houston, Orlando, Boise, Chicago, Cleveland, San Jose, Albuquerque, Mexico City.

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

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, John Wayne, Ontario International, Palm Springs International, Hollywood Burbank, Long Beach, Santa Barbara Municipal, Meadows Field, Imperial County.

Currently, you can fly between Knoxville and Ontario with United Airlines, American Airlines, Alaska Airlines.

If you don’t have specific dates for your trip between Knoxville and Ontario, 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 Ontario, 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, McGhee Tyson, Asheville Regional, Greenville–Spartanburg International, Blue Grass, Chattanooga Metropolitan, Tri-Cities Regional

There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, John Wayne, Ontario International, Palm Springs International, Hollywood Burbank, Long Beach, Santa Barbara Municipal, Meadows Field, Imperial County.