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Route Price Intelligence

Cheap Flights From Tri-Cities to Saint Louis

Live pricing benchmarks, monthly patterns, and historical lows for this route.

Typical Price
$299
Deals From
$269
Usually Costs
$269$344
Lowest We've Seen
$249
Based on 8,179 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

$249$259$269$279$289Jan 5Feb 7Mar 9
Best: $24961 price checksWorst: $289
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