Cheap flights from Pittsburgh, PA to Knoxville, TN

Travelers frequently search for route combinations, such as Pittsburgh and Denver, Orlando, Austin, Charleston, New Orleans, Tampa, Jacksonville, London, West Palm Beach, Los Angeles, Las Vegas, Myrtle Beach, Sarasota, Fort Lauderdale, Atlanta, Savannah, Nashville, Houston, San Francisco, Paris.

Travelers frequently search for route combinations, such as Knoxville and New York, Denver, Las Vegas, Los Angeles, Orlando, Fort Lauderdale, Salt Lake City, Tampa, San Diego, Chicago, San Francisco, Austin, San Juan, Portland, Boston, Sacramento, Seattle, Houston, Washington, D.C., Phoenix.

Pittsburgh is mainly served by Pittsburgh International. But there are other airports nearby, including Allegheny County Airport.

The main airport in Pittsburgh is Pittsburgh International. It is also served by Cleveland Hopkins International, Akron–Canton, Arnold Palmer Regional, North Central West Virginia, DuBois Regional, Hagerstown Regional, University Park, Altoona–Blair County, Morgantown Municipal, Johnstown–Cambria County.

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.

Yes, it's possible to combine different modes of transport between Pittsburgh and Knoxville thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Pittsburgh and Knoxville can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between Pittsburgh and Knoxville with United Airlines.

If you don’t have specific dates for your trip between Pittsburgh and Knoxville, 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.