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 – $479
Lowest We've Seen
$136
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$479
Feb
—
Mar
—
Apr
$218
May
$201
Jun
$217
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 December at around $482. For the best deals, consider flying in May, June, April.
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: August21,676 fares analyzedTypical low: $383