How much is a flight from Knoxville to Saint Louis?

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

$203 is the lowest fare found in the past 15 days.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Knoxville - Saint Louis route.

Flying between Knoxville and Saint Louis? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Knoxville: Knoxville has only one airport in service, Knoxville - McGhee Tyson.
• Airports in Saint Louis: The only active option is Saint Louis - Lambert.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Knoxville airports in a single search.

Plan your perfect flight from Knoxville to Saint Louis

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 like Delta, United, American, 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.