Route Price Intelligence
Cheap Flights From St. Louis to Knoxville
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$279
Deals From
$279
Usually Costs
$279 – $300
Lowest We've Seen
$191
Based on 8,206 price pointshigh confidence
Monthly Price Guide
Jan
$442
Feb
$319
Mar
$258
Apr
$256
May
$279
Jun
$280
Jul
$280
Aug
$279
Sep
$279
Oct
$299
Nov
$299
Dec
$303
Cheapest Average Expensive
Best Time to Fly from St. Louis to Knoxville
The cheapest time to fly from St. Louis to Knoxville is typically April, when fares average around $256. The most expensive month tends to be January at around $442. For the best deals, consider flying in April, March, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $19159 price checksWorst: $235