Route Price Intelligence
Cheap Flights From Tri-Cities to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$359
Deals From
$353
Usually Costs
$353 – $363
Lowest We've Seen
$249
Based on 305 price pointshigh confidence
Monthly Price Guide
Jan
$353
Feb
$359
Mar
$468
Apr
$527
May
$373
Jun
$359
Jul
$359
Aug
$353
Sep
$359
Oct
$359
Nov
$359
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 December, when fares average around $353. The most expensive month tends to be April at around $527. For the best deals, consider flying in December, January, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $24955 price checksWorst: $353