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
$291
Usually Costs
$291 – $327
Lowest We've Seen
$191
Based on 4,678 price pointshigh confidence
Monthly Price Guide
Jan
$299
Feb
$319
Mar
$558
Apr
$429
May
$271
Jun
$274
Jul
$294
Aug
$291
Sep
$299
Oct
$299
Nov
$328
Dec
$329
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 $271. The most expensive month tends to be March at around $558. For the best deals, consider flying in May, June, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $19174 price checksWorst: $235