How to find the cheapest flight from Sioux City (SUX) to Knoxville (TYS)
All the information you need to plan the best SUX to TYS flight in 2022: compare Sioux City to Knoxville flight prices with the expected peak season, weather and rainfall in Knoxville.
When is the cheapest time to fly from Sioux City to Knoxville (SUX - TYS)?
When flying from Sioux City to Knoxville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Related info for your journey
Useful info, stats and facts about <span class="emphasized">Sioux City</span> to <span class="emphasized">Knoxville</span> flights.
From Sioux City to Knoxville
Which airlines flying from Sioux City Sioux Gateway to Knoxville McGhee Tyson have flexible cancellations due to COVID-19?
American Airlines and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
What are the cheapest flights from Sioux City to Knoxville?
Looking for the cheapest flight from Sioux City to Knoxville? While on average our users pay $651, our data indicates the cheapest price to be $651. The most popular route (Sioux City Sioux Gateway - Knoxville McGhee Tyson), is priced around $552.