Route Price Intelligence
Cheap Flights From Tri-Cities to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$289
Great Deal
Under $289
Typical Range
$289 – $314
Lowest We've Seen
$249
Based on 263 price pointshigh confidence
Monthly Price Guide
Jan
$289
Feb
$289
Mar
$428
Apr
—
May
—
Jun
$369
Jul
$304
Aug
$289
Sep
$289
Oct
$289
Nov
$289
Dec
$289
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 $289. The most expensive month tends to be March at around $428. For the best deals, consider flying in October, November, December.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: August17,760 fares analyzedTypical low: $288