Route Price Intelligence
Cheap Flights From Philadelphia to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$329
Deals From
$228
Usually Costs
$228 – $472
Lowest We've Seen
$136
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$479
Feb
—
Mar
—
Apr
$236
May
$201
Jun
$210
Jul
$230
Aug
$244
Sep
$385
Oct
$472
Nov
$479
Dec
$482
Cheapest Average Expensive
Best Time to Fly from Philadelphia to Saint Louis
The cheapest time to fly from Philadelphia to Saint Louis is typically May, when fares average around $201. The most expensive month tends to be December at around $482. For the best deals, consider flying in May, June, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14071 price checksWorst: $302