Route Price Intelligence
Cheap Flights From Tri-Cities to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$339
Deals From
$314
Usually Costs
$314 – $359
Lowest We've Seen
$249
Based on 5,481 price pointshigh confidence
Monthly Price Guide
Jan
$329
Feb
$363
Mar
$369
Apr
$364
May
$359
Jun
$353
Jul
$335
Aug
$329
Sep
$335
Oct
$335
Nov
$335
Dec
$335
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 January, when fares average around $329. The most expensive month tends to be March at around $369. For the best deals, consider flying in January, August, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $24976 price checksWorst: $337