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 – $355
Lowest We've Seen
$136
Based on 3,682 price pointshigh confidence
Monthly Price Guide
Jan
$329
Feb
$319
Mar
$649
Apr
$349
May
$320
Jun
$329
Jul
$314
Aug
$310
Sep
$329
Oct
$320
Nov
$329
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 August, when fares average around $310. The most expensive month tends to be March at around $649. For the best deals, consider flying in August, July, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $18161 price checksWorst: $310