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

Popular airlines from McGhee Tyson Airport (TYS) to St. Louis Lambert Intl. Airport (STL)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Knoxville Airport to STL last minute?
Being spontaneous is a fantastic way to explore the world, but it's not always the cleverest way to find a bargain plane ticket. Think about booking your TYS to STL journey in advance rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save up that spontaneity for when you're exploring STL!
What airports do you fly into for St. Louis from Knoxville?
From Knoxville, you can get to St. Louis through Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS). Research which hub is more convenient for you before you make a decision. If you decide on Lambert-St. Louis Intl. Airport (STL), it's roughly 19 kilometers northwest of the center of the city. Use the dollars you save when booking your fare with Expedia to check out the city's top sights, such as Busch Stadium and Gateway Arch.
Can I change the date of my flight from Knoxville Airport to STL?
Expedia makes it a breeze to make changes to your Knoxville Airport to STL journey yourself. Just go to the Expedia Trips portal and select "change flight." Browse around for new flights and secure the one that better fits your plans. You'll get an estimate of the extra charges, if applicable. Alternatively, use our Customer Service portal to connect with our Virtual Agent and quickly get answers to your questions.

Travel information

Travel information

Origin airport
McGhee Tyson
Destination airport
Lambert-St. Louis Intl.
Distance
647 km

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