Route Price Intelligence
Cheap Flights From Harrisburg to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$320
Deals From
$310
Usually Costs
$310 – $361
Lowest We've Seen
$136
Based on 4,972 price pointshigh confidence
Monthly Price Guide
Jan
$310
Feb
$384
Mar
$336
Apr
$310
May
$315
Jun
$341
Jul
$320
Aug
$310
Sep
$310
Oct
$320
Nov
$329
Dec
$329
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 February at around $384. For the best deals, consider flying in January, April, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13675 price checksWorst: $310