Route Price Intelligence
Cheap Flights From St. Louis to Philadelphia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$367
Deals From
$230
Usually Costs
$230 – $465
Lowest We've Seen
$136
Based on 4,551 price pointshigh confidence
Monthly Price Guide
Jan
$471
Feb
$479
Mar
$491
Apr
$201
May
$201
Jun
$210
Jul
$230
Aug
$250
Sep
$463
Oct
$463
Nov
$471
Dec
$473
Cheapest Average Expensive
Best Time to Fly from St. Louis to Philadelphia
The cheapest time to fly from St. Louis to Philadelphia is typically April, when fares average around $201. The most expensive month tends to be March at around $491. For the best deals, consider flying in April, May, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14076 price checksWorst: $180