Cheap flights from Sioux City to Knoxville from £339

Travelers frequently search for route combinations, such as Sioux City and Cairo, Auckland, Austin, Cox's Bazar, Zürich, Tijuana, Dubai, Nairobi, Savannah, Amsterdam, Des Moines, Tampa, Kyiv, Sylhet, Syracuse, London, Sacramento, Toronto, Mexico City, Paris.

Travelers frequently search for route combinations, such as Knoxville and London, Fort Lauderdale, Denver, Tampa, Orlando, Houston, Austin, Boston, New York, Belleville, Las Vegas, Punta Gorda, Phoenix, South Bend, Barcelona, Bogotá, Chicago, Amsterdam, Anchorage, Geneva.

The main airport in Sioux City is Sioux Gateway. It is also served by Eppley Airfield, Sioux Falls Regional, Lincoln, Sioux Gateway, Fort Dodge Regional.

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

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

If you don’t have specific dates for your trip between Sioux City 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.

Traveling between Sioux City and Knoxville, 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 Sioux City. The main one is Sioux Gateway and other nearby airports include Eppley Airfield, Sioux Falls Regional, Lincoln, Sioux Gateway, Fort Dodge Regional

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, Chattanooga Metropolitan, Blue Grass, Tri-Cities Regional.