Nonstop flights from St. Louis to Philadelphia

2 airlines fly this route, with up to 5 flights a day.

STLSt. Louis Lambert International

812 mi · 33 flights a week

PHLPhiladelphia International

STLPHL

When they leave

St. Louis time

6:00a7:05pFirst departure 6:00 AM, last 7:05 PM

Six in the morning, 6:00 AM to 11:22 AM, then four in the evening, 5:42 PM to 7:05 PM.

Every flight

Earliest first

6:00 AM→9:22 AMAmerican AirlinesAirbus A319Mon, Tue, Wed, Thu, Fri, Sun
10:15 AM→1:25 PMSouthwest AirlinesBoeing 737Sat
10:20 AM→1:30 PMSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
10:55 AM→2:05 PMSouthwest AirlinesBoeing 737-700Tue, Wed, Sun
11:19 AM→2:38 PMAmerican AirlinesAirbus A319Sat
11:22 AM→2:39 PMAmerican AirlinesCRJ 900Mon, Tue, Wed, Thu, Fri, Sun
5:42 PM→9:03 PMAmerican AirlinesAirbus A319Mon, Tue, Thu, Fri, Sat, Sun
5:45 PM→9:06 PMAmerican AirlinesCRJ 900Wed
6:40 PM→9:50 PMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed, Sun
7:05 PM→10:15 PMSouthwest AirlinesBoeing 737-700Mon, Thu, Fri

Schedules last checked Sep 19, 2026. Times are local.

Flying from St. Louis to Philadelphia

American Airlines flies most often, 2 to 3 times a day on the Airbus A319 and CRJ 900. Southwest Airlines flies 1 to 2 times a day on the Boeing 737-700, Boeing 737 and Boeing 737 MAX 8.

Flights run every day of the week, from 3 on Saturdays to 5 on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays and Sundays. The first arrival in Philadelphia is at 9:22 AM and the last at 10:15 PM. The flight covers 812 miles.

Flying back, Philadelphia to St. Louis has 33 nonstop flights a week.

Return flights

Philadelphia to St. LouisView

More to Philadelphia

Find the cheapest day to fly from St. Louis to Philadelphia.

Schedules as of Oct 9, 2026.