Which airports can I use when flying from St. Louis to Knoxville?

Flights from St. Louis to Knoxville usually depart from Lambert-St Louis (STL) and arrive at Knoxville McGhee Tyson (TYS).

What cabin classes can I book on flights from St. Louis to Knoxville?

Only Economy Class is available on flights from St. Louis to Knoxville.

Which airports do connecting flights from St. Louis to Knoxville pass through?

One-stop flights from St. Louis to Knoxville most commonly connect through: • Atlanta Hartsfield-Jackson (ATL) - 60% of one-stop connections • Nashville Intl (BNA) - 18% of one-stop connections • Charlotte Douglas (CLT) - 13% of one-stop connections • Chicago O'Hare Intl (ORD) - 6% of one-stop connections

Can I save money by using flexible dates for flights from St. Louis to Knoxville?

Yes. Flexible dates can save you up to 54% on flights from St. Louis to Knoxville. Saturday is the cheapest departure day at $252 round-trip on average, while Friday is the most expensive at $542, a difference of $290. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How long is a flight from St. Louis to Knoxville?

A nonstop flight from St. Louis to Knoxville takes 00m, covering 405 miles.

Do I need a passport to fly from St. Louis to Knoxville?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from St. Louis to Knoxville changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $243 to $1,003. That means the highest observed fare was about 4x higher than the lowest one.

How are flight prices from St. Louis to Knoxville looking right now?

One-way fares from St. Louis to Knoxville are currently lower than usual. Average one-way flight prices are about $188, which is 35% below the typical average for this route.

How much time can I save by choosing a different layover airport from St. Louis to Knoxville?

Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 4h 13m, compared with 4h 25m via Nashville Intl (BNA) and 4h 25m via Charlotte Douglas (CLT).

What is the time difference between St. Louis and Knoxville?

Knoxville is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Knoxville McGhee Tyson Airport (TYS)?

Knoxville McGhee Tyson Airport (TYS) hosts 5 major car rental companies, with daily rates starting from around $33 for economy cars. Top options include: • Budget • Alamo • Thrifty • Enterprise Rent-A-Car • Payless

How much should I expect to pay for a St. Louis to Knoxville flight?

Round-trip flights from St. Louis to Knoxville range from $278 to $467, with an average of $331 over the past 12 months. Anything below $278 counts as a good deal.

How much is a round-trip flight from St. Louis to Knoxville?

Round-trip flights from St. Louis to Knoxville typically range from $278 to $467. The lowest price found in the past 5 days was $243, on American Airlines.

What's the cheapest day of the week to fly from St. Louis to Knoxville?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from St. Louis to Knoxville. It’s 24% cheaper than the average day, while Friday is the most expensive, with prices 63% higher.

What’s the cheapest month to fly from St. Louis to Knoxville?

•August is the cheapest month to fly from St. Louis to Knoxville at $278 round-trip. •June ($634) and January ($547) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 128% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Which airline is the cheapest to fly from St. Louis to Knoxville?

American Airlines ($243) and Delta ($243) are the cheapest airlines to fly round-trip from St. Louis to Knoxville according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from St. Louis to Knoxville?

Atlanta Hartsfield-Jackson (ATL) is the most popular layover for the St. Louis to Knoxville route. 60% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ATL.

What is the cheapest layover airport when flying from St. Louis to Knoxville?

Flights via Dallas/Fort Worth (DFW) offer the most affordable fares, with an average round-trip price of $210. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Knoxville which airport offers the shortest layover?

Dallas Love Field (DAL) had the shortest average connection time for St. Louis to Knoxville layovers at 2h 42m over the past 3 months.

$122 CHEAP FLIGHTS from St. Louis to Knoxville (STL - TYS)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$243

Typical prices: $278-$467

American Airlines

Sun 1/7Thu 1/11

STL - TYS • 1 stop

Cheapest one-way

$122

Typical prices: $248-$323

Delta

Wed 11/7

STL - TYS • 1 stop

Nonstop flights

Not available

There are currently no direct flights between St. Louis and Knoxville. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

August

Cheapest • 16% price drop

November

Most popular

Good to know

Top layover airports

Dallas/Fort Worth (DFW)

Cheapest • Avg $210 (round-trip)

Atlanta Hartsfield-Jackson (ATL)

Shortest trip • 4h 13m (one-way)

Insights

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We hope you love your trip to Knoxville!

Flight Deals

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

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from St. Louis to Knoxville

Sat, Oct 31 - Mon, Nov 2

5:21 pm - 11:59 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

5h 38m1 stop Chicago O'Hare Intl

8:52 pm - 11:59 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

4h 07m1 stop Chicago O'Hare Intl

$243American Airlines

Thu, Jan 7 - Mon, Jan 11

5:05 am - 11:27 amSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

5h 22m1 stop Chicago O'Hare Intl

8:51 pm - 11:57 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

4h 06m1 stop Chicago O'Hare Intl

$243American Airlines

Thu, Dec 10 - Sat, Dec 12

12:36 pm - 6:30 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

4h 54m1 stop Atlanta Hartsfield-Jackson

2:36 pm - 8:09 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

6h 33m1 stop Atlanta Hartsfield-Jackson

$243Delta

Tue, Dec 8 - Sat, Dec 12

2:33 pm - 6:56 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

3h 23m1 stop Atlanta Hartsfield-Jackson

5:40 am - 11:29 amTYS Knoxville McGhee Tyson-STL Lambert-St Louis

6h 49m1 stop Atlanta Hartsfield-Jackson

$243Delta

Tue, Nov 17 - Sat, Nov 21

11:35 am - 4:29 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

3h 54m1 stop Chicago O'Hare Intl

5:30 pm - 10:14 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

5h 44m1 stop Dallas/Fort Worth

$243American Airlines

Sat, Oct 17 - Tue, Oct 20

5:38 pm - 10:22 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

3h 44m1 stop Atlanta Hartsfield-Jackson

6:23 pm - 11:54 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

6h 31m1 stop Atlanta Hartsfield-Jackson

$243Delta

Thu, Jan 7 - Mon, Jan 11

11:30 am - 7:45 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

7h 15m2 stops Chicago Midway Baltimore/Washington

4:45 pm - 9:45 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

6h 00m1 stop Nashville Intl

$248Southwest

Wed, Dec 9 - Sat, Dec 12

10:30 am - 8:45 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

9h 15m2 stops Nashville Intl Baltimore/Washington

2:50 pm - 8:05 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

6h 15m1 stop Nashville Intl

$248Southwest

Sat, Oct 31 - Mon, Nov 2

7:59 pm - 2:11 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

17h 12m1 stop Denver Intl

7:00 am - 5:40 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

11h 40m2 stops Orlando Atlanta Hartsfield-Jackson

$260Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

1:29 pm - 8:49 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

6h 20m1 stop Chicago O'Hare Intl

10:45 am - 4:59 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

7h 14m1 stop Chicago O'Hare Intl

$263United Airlines

Recent last minute flight deals from St. Louis to Knoxville

Thu, Oct 1 - Sat, Oct 3

1:54 pm - 6:52 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

3h 58m1 stop Charlotte Douglas

7:18 pm - 10:42 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

4h 24m1 stop Charlotte Douglas

$605American Airlines

Mon, Sep 28 - Wed, Sep 30

11:40 am - 8:00 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

7h 20m1 stop Baltimore/Washington

12:45 pm - 7:55 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

8h 10m1 stop Orlando

$605Southwest

Mon, Sep 28 - Wed, Sep 30

11:40 am - 8:00 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

7h 20m1 stop Baltimore/Washington

7:00 am - 2:50 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

8h 50m2 stops Nashville Intl Baltimore/Washington

$610Southwest

Mon, Sep 28 - Wed, Sep 30

11:40 am - 8:00 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

7h 20m1 stop Baltimore/Washington

12:45 pm - 7:55 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

8h 10m1 stop Orlando

$618Southwest

Wed, Sep 30 - Fri, Oct 2

6:00 am - 1:14 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

6h 14m1 stop Chicago O'Hare Intl

6:00 am - 12:13 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

7h 13m1 stop Chicago O'Hare Intl

$622United Airlines

Tue, Sep 29 - Thu, Oct 1

7:05 am - 2:20 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

6h 15m1 stop Dallas Love Field

7:15 am - 1:50 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

7h 35m1 stop Nashville Intl

$623Southwest

Tue, Sep 29 - Thu, Oct 1

7:15 am - 12:05 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

3h 50m1 stop Nashville Intl

7:15 am - 2:20 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

8h 05m2 stops Nashville Intl Atlanta Hartsfield-Jackson

$623Southwest

Wed, Sep 30 - Fri, Oct 2

7:30 am - 3:35 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

7h 05m1 stop Newark

6:00 am - 12:13 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

7h 13m1 stop Chicago O'Hare Intl

$628United Airlines

Thu, Oct 1 - Fri, Oct 2

7:30 am - 3:35 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

7h 05m1 stop Newark

6:00 am - 12:13 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

7h 13m1 stop Chicago O'Hare Intl

$657United Airlines

Fri, Oct 2 - Mon, Oct 5

11:10 am - 6:05 pmSTL Lambert-St Louis-TYS Knoxville McGhee Tyson

5h 55m1 stop Houston George Bush Intcntl

10:42 am - 2:17 pmTYS Knoxville McGhee Tyson-STL Lambert-St Louis

4h 35m1 stop Chicago O'Hare Intl

$663United Airlines

Booking Insights

Price, demand and travel trends for St. Louis to Knoxville flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Knoxville? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Knoxville departing in january.
What's the cheapest day of the week to fly from St. Louis to Knoxville?: Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from St. Louis to Knoxville. It’s 24% cheaper than the average day, while Friday is the most expensive, with prices 63% higher.
What’s the cheapest month to fly from St. Louis to Knoxville? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from St. Louis to Knoxville, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •August is the cheapest month to fly from St. Louis to Knoxville at $278 round-trip.
•June ($634) and January ($547) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 128% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	February
High season	November
Cheapest flight	$122

Beat the crowds with an average 56% drop in travelers.

The most popular month to fly with an average 67% increase in travelers.

One-way flight from St. Louis to Knoxville

When to book flights from St. Louis to Knoxville

Are your dates flexible? Find out the best times to travel from St. Louis to Knoxville based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from St. Louis to Knoxville?
Only Economy Class is available on flights from St. Louis to Knoxville.
How long is a flight from St. Louis to Knoxville?
A nonstop flight from St. Louis to Knoxville takes 00m, covering 405 miles.
Do I need a passport to fly from St. Louis to Knoxville?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a St. Louis to Knoxville flight?
Round-trip flights from St. Louis to Knoxville range from $278 to $467, with an average of $331 over the past 12 months. Anything below $278 counts as a good deal.
Have flight prices from St. Louis to Knoxville changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $243 to $1,003. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from St. Louis to Knoxville looking right now?
One-way fares from St. Louis to Knoxville are currently lower than usual. Average one-way flight prices are about $188, which is 35% below the typical average for this route.
What car rental options are available at Knoxville McGhee Tyson Airport (TYS)?
Knoxville McGhee Tyson Airport (TYS) hosts 5 major car rental companies, with daily rates starting from around $33 for economy cars. Top options include:

• Budget
• Alamo
• Thrifty
• Enterprise Rent-A-Car
• Payless
Which airports can I use when flying from St. Louis to Knoxville?
Flights from St. Louis to Knoxville usually depart from Lambert-St Louis (STL) and arrive at Knoxville McGhee Tyson (TYS).
Which airports do connecting flights from St. Louis to Knoxville pass through?
One-stop flights from St. Louis to Knoxville most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 60% of one-stop connections
• Nashville Intl (BNA) - 18% of one-stop connections
• Charlotte Douglas (CLT) - 13% of one-stop connections
• Chicago O'Hare Intl (ORD) - 6% of one-stop connections
Can I save money by using flexible dates for flights from St. Louis to Knoxville?
Yes. Flexible dates can save you up to 54% on flights from St. Louis to Knoxville. Saturday is the cheapest departure day at $252 round-trip on average, while Friday is the most expensive at $542, a difference of $290.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from St. Louis to Knoxville?
Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 4h 13m, compared with 4h 25m via Nashville Intl (BNA) and 4h 25m via Charlotte Douglas (CLT).
What is the time difference between St. Louis and Knoxville?
Knoxville is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Saturday departure and avoid flying on Friday. On this route, Saturday flights average $252, about $290 less than Friday fares (54% savings) based on the last 12 months.
If you can choose when to travel, plan your St. Louis to Knoxville trip for August. Fares historically average $278 round-trip in that month - typically $356 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from St. Louis to Knoxville

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STL - TYS

$122 Find Cheap Flights from St. Louis to Knoxville - Compare and Save

Everything you should know

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

Recent round-trip flight deals from St. Louis to Knoxville

Recent one-way flight deals from St. Louis to Knoxville

Recent last minute flight deals from St. Louis to Knoxville

Price, demand and travel trends for St. Louis to Knoxville flights

How much is a round-trip flight from St. Louis to Knoxville?

What's the cheapest day of the week to fly from St. Louis to Knoxville?

What’s the cheapest month to fly from St. Louis to Knoxville?

Which airline is the cheapest to fly from St. Louis to Knoxville?

What’s the most popular layover airport when flying from St. Louis to Knoxville?

What is the cheapest layover airport when flying from St. Louis to Knoxville?

When flying from St. Louis to Knoxville which airport offers the shortest layover?

Key details for St. Louis to Knoxville flights

Low season

High season

Cheapest flight

When to book flights from St. Louis to Knoxville

Your St. Louis to Knoxville flight questions, answered

Your guide to booking St. Louis to Knoxville flights

More options for your flight from St. Louis to Knoxville

Complete your trip to Knoxville with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Knoxville

Find direct flights to and from St. Louis and Knoxville

Flights from domestic origins to Knoxville

Flights to other popular destinations

Find deals for your return flight