Route Price Intelligence
Cheap Flights From Harrisburg to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$329
Deals From
$310
Usually Costs
$310 – $360
Lowest We've Seen
$136
Based on 5,495 price pointshigh confidence
Monthly Price Guide
Jan
$310
Feb
$354
Mar
$368
Apr
$334
May
$320
Jun
$330
Jul
$326
Aug
$310
Sep
$320
Oct
$330
Nov
$330
Dec
$330
Cheapest Average Expensive
Best Time to Fly from Harrisburg to Saint Louis
The cheapest time to fly from Harrisburg to Saint Louis is typically January, when fares average around $310. The most expensive month tends to be March at around $368. For the best deals, consider flying in January, August, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16177 price checksWorst: $310