Route Price Intelligence
Cheap Flights From Tri-Cities to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$358
Deals From
$353
Usually Costs
$353 – $363
Lowest We've Seen
$249
Based on 3,292 price pointshigh confidence
Monthly Price Guide
Jan
$353
Feb
$359
Mar
$514
Apr
$477
May
$367
Jun
$359
Jul
$357
Aug
$353
Sep
$353
Oct
$353
Nov
$353
Dec
$353
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 October, when fares average around $353. The most expensive month tends to be March at around $514. For the best deals, consider flying in October, November, December.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $24957 price checksWorst: $353