Route Price Intelligence
Cheap Flights From St. Louis to Knoxville
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$299
Deals From
$292
Usually Costs
$292 – $327
Lowest We've Seen
$191
Based on 6,708 price pointshigh confidence
Monthly Price Guide
Jan
$299
Feb
$323
Mar
$502
Apr
$313
May
$277
Jun
$295
Jul
$299
Aug
$299
Sep
$299
Oct
$313
Nov
$328
Dec
$328
Cheapest Average Expensive
Best Time to Fly from St. Louis to Knoxville
The cheapest time to fly from St. Louis to Knoxville is typically May, when fares average around $277. The most expensive month tends to be March at around $502. For the best deals, consider flying in May, June, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $19181 price checksWorst: $235