Route Price Intelligence
Cheap Flights From Tri-Cities to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$319
Deals From
$304
Usually Costs
$304 – $369
Lowest We've Seen
$249
Based on 8,068 price pointshigh confidence
Monthly Price Guide
Jan
$309
Feb
$274
Mar
$314
Apr
$304
May
$308
Jun
$294
Jul
$279
Aug
$269
Sep
$269
Oct
$298
Nov
$298
Dec
$308
Cheapest Average Expensive
Best Time to Fly from Tri-Cities to Saint Louis
The cheapest time to fly from Tri-Cities to Saint Louis is typically August, when fares average around $269. The most expensive month tends to be March at around $314. For the best deals, consider flying in August, September, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $24979 price checksWorst: $309