Find out what a flight from Sioux City to Knoxville might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Sioux City and Knoxville.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Which airports serve Sioux City and Knoxville?

When planning a trip of about 1294 km, it's a good idea to check flights from surrounding airports too.

• Airports in Sioux City: Sioux City - Sioux Gateway is the only operational airport in the area.
• Airports in Knoxville: The only active airport in Knoxville is Knoxville - McGhee Tyson.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Plan your perfect flight from Sioux City to Knoxville

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to United States? Other frequent searches include: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.