Cheap Flight Tickets from Knoxville (TYS) to St. Louis (STL)

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Latest Flight Deals from Knoxville to St. Louis

Book one-way or return flights from Knoxville to St. Louis from as little as SGD 112. Choose from the popular airlines below and book your flight today!

One way
Return

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Knoxville to St. Louis? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Knoxville to St. Louis. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Knoxville to St. Louis

View airlines operating flights from Knoxville to St. Louis. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From SGD 112

American Airlines

From SGD 180

Allegiant Air

From SGD 183

United Airlines

From SGD 208

Delta Air Lines

From SGD 339

ANA airlines

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Alternative Routes from Knoxville to St. Louis

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Knoxville to St. Louis.

Cheapest
TYS
22:26
9h 59m
1 transfer
STL
07:25
Mcghee Tyson Airport - St.Louis Lambert International Airport
Tue, Jun 11Frontier Airlines
SGD 112
TYS
22:26
9h 59m
1 transfer
STL
07:25
Mcghee Tyson Airport - St.Louis Lambert International Airport
Tue, Jun 11Frontier Airlines
SGD 112
Find More Flights

How do I find the cheapest flights?

When are flight from Knoxville (TYS) to St. Louis (STL) the cheapest?
Airlines adjust prices for flights from Knoxville to St. Louis based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Knoxville (TYS) to St. Louis (STL) cost?
According to Trip.com's data, the lowest price is around SGD 649.
What is the transportation method from the main airport to downtown in St. Louis?
- The distance from St. Louis Lambert International Airport to downtown is about 20km, by taxi about 40 minutes.
What's the most popular airline for direct flights from Knoxville (TYS) to St. Louis (STL)?
Hopscotch Air operates 4 direct flights from Knoxville (TYS) to St. Louis (STL).
How many airports in St. Louis (STL)?
There are 3 airport(s) in St. Louis (STL): St. Louis Downtown Airport, St. Louis Lambert International Airport and St Louis Spirit Of St Louis Airport.

How to find a cheap flight from Knoxville to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Knoxville to St. Louis. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

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