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Flight times from St. Louis to Knoxville & schedule

The average flight time from St. Louis to Knoxville is About 2 hours 20 minutes, covering a distance of About 630.43 km.

Flight duration

About 2 hours 20 minutes

Flight distance

About 630.43 km

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

The flights usually depart from St. Louis Lambert International Airport and arrive at Dulles International Airport.

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Earliest first
Latest first
Frontier Airlines F94567
STL 7:36 PM
DEN 9:08 PM
With stops 2.5h
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Frontier Airlines F92374
DEN 10:43 AM
TYS 3:28 PM
2.8h
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United Airlines UA4506
STL 8:25 AM
IAD 11:31 AM
With stops 2.1h
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United Airlines UA4308
IAD 1:02 PM
TYS 2:42 PM
1.7h
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American Airlines AA5530
STL 8:41 AM
DCA 11:54 AM
With stops 2.2h
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American Airlines AA5223
DCA 2:12 PM
TYS 3:54 PM
1.7h
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Delta Air Lines DL1571
STL 9:00 AM
ATL 11:38 AM
With stops 1.6h
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Delta Air Lines DL1972
ATL 4:16 PM
TYS 5:09 PM
0.9h
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Frontier Airlines F91632
STL 9:54 AM
MCO 1:23 PM
With stops 2.5h
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Allegiant Air G43056
SFB 8:15 PM
TYS 9:53 PM
1.6h
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Delta Air Lines DL1571
STL 9:00 AM
ATL 11:38 AM
With stops 1.6h
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T
F
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Delta Air Lines DL1972
ATL 4:16 PM
TYS 5:09 PM
0.9h
See prices and details in the app >>
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Frontier Airlines F91632
STL 9:54 AM
MCO 1:23 PM
With stops 2.5h
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F
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Allegiant Air G43056
SFB 8:15 PM
TYS 9:53 PM
1.6h
See prices and details in the app >>
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United Airlines UA4506
STL 8:25 AM
IAD 11:31 AM
With stops 2.1h
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F
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United Airlines UA4308
IAD 1:02 PM
TYS 2:42 PM
1.7h
See prices and details in the app >>
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American Airlines AA5530
STL 8:41 AM
DCA 11:54 AM
With stops 2.2h
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F
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American Airlines AA5223
DCA 2:12 PM
TYS 3:54 PM
1.7h
See prices and details in the app >>
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Frontier Airlines F94567
STL 7:36 PM
DEN 9:08 PM
With stops 2.5h
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F
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Frontier Airlines F92374
DEN 10:43 AM
TYS 3:28 PM
2.8h
See prices and details in the app >>
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FAQs about flight schedules from St. Louis to Knoxville

  • When are flight tickets from St. Louis (STL) to Knoxville (TYS) the cheapest?

    Airlines adjust prices for flights from St. Louis to Knoxville based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

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