Route Price Intelligence
Cheap Flights From Harrisburg to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$310
Deals From
$310
Usually Costs
$310 – $354
Lowest We've Seen
$136
Based on 1,370 price pointshigh confidence
Monthly Price Guide
Jan
$310
Feb
$310
Mar
$586
Apr
$368
May
$310
Jun
$320
Jul
$310
Aug
$310
Sep
$310
Oct
$310
Nov
$310
Dec
$310
Cheapest Average Expensive
Best Time to Fly from Harrisburg to Saint Louis
The cheapest time to fly from Harrisburg to Saint Louis is typically October, when fares average around $310. The most expensive month tends to be March at around $586. 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: $18158 price checksWorst: $310