Route Price Intelligence
Cheap Flights From St. Louis to Philadelphia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$471
Deals From
$230
Usually Costs
$230 – $479
Lowest We've Seen
$136
Based on 1,183 price pointshigh confidence
Monthly Price Guide
Jan
$479
Feb
$479
Mar
$491
Apr
$215
May
$201
Jun
$224
Jul
$230
Aug
$230
Sep
$471
Oct
$472
Nov
$479
Dec
$482
Cheapest Average Expensive
Best Time to Fly from St. Louis to Philadelphia
The cheapest time to fly from St. Louis to Philadelphia is typically May, when fares average around $201. The most expensive month tends to be March at around $491. For the best deals, consider flying in May, April, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14070 price checksWorst: $180