Route Price Intelligence
Cheap Flights From Harrisburg to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$300
Great Deal
Under $300
Typical Range
$300 – $340
Lowest We've Seen
$136
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$300
Feb
$304
Mar
—
Apr
—
May
$352
Jun
$329
Jul
$300
Aug
$300
Sep
$300
Oct
$300
Nov
$300
Dec
$300
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 $300. The most expensive month tends to be May at around $352. For the best deals, consider flying in October, November, December.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: January7,907 fares analyzedTypical low: $310
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