Cheap Flights from St. Louis (SUS) to Knoxville (TYS)

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Flights from St. Louis (SUS) to Knoxville (TYS)
Origin airport
Spirit of St. Louis
Destination airport
McGhee Tyson
Distance
665 km

St. Louis to Knoxville Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Knoxville offer the perfect respite. Not only does exploring Knoxville provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Knoxville may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Knoxville are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Knoxville more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Knoxville is now!

Frequently asked questions

Is it cheaper to buy a plane ticket from St. Louis Airport to McGhee Tyson Airport (TYS) last minute?
When it comes to booking your flights, it's always better to be prepared. While you may be able to find a last-minute deal on a SUS to Knoxville Airport flight, tickets usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international trips it's between three and four months.
What airports do you fly into for Knoxville from St. Louis?
From St. Louis, you can connect to Knoxville through McGhee Tyson Airport (TYS), Gatlinburg, TN (GKT-Gatlinburg - Pigeon Forge) and Morristown, TN (MOR-Moore-Murrell). Find out which airport works best for you before making your decision. If you decide to land at McGhee Tyson Airport (TYS), it's approximately 19 kilometers south of downtown. Use the cash you save when booking your fare with Expedia to visit the city's well-known sights, such as Ijams Nature Center and Women's Basketball Hall of Fame.
Can I change the date of my flight from Spirit of St. Louis Airport (SUS) to Knoxville Airport?
It's so easy to make amendments to your SUS to Knoxville Airport journey yourself. Just go to the Expedia Trips portal and select "change flight." Look around for new flights and secure the one that works best with your plans. You'll see an estimate of your flight change fee, if applicable. Alternatively, visit our Customer Service portal to chat to our Virtual Agent and get answers to all your questions.

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