St Louis to Philadelphia (STL–PHL) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
STL–PHL is served by 3 airlines with nonstop service. American Airlines, Southwest Airlines and Aer Lingus lead the route. The flight covers 812 miles in approximately 2h 5m. Beyond nonstop, 78 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AA American Airlines | 30 | 319, CR9, E75 | 2h16-3h08 | Oneworld | – | |
| WN Southwest Airlines | 30 | 737, 73H, 7M8, 7S7 | 2h05-3h15 | – | – | |
| EI Aer Lingus | 10 | 319, CR9 | 2h16-2h18 | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
STL: EDT · PHL: EDT
When it's 6:00 PM in St Louis, it's 6:00 PM in Philadelphia.
SEPTA Airport Line from the terminal to Center City takes 25–30 minutes ($8). Trains run every 30 minutes (5am to midnight) to 30th Street, Suburban, and Jefferson stations; all with connections to the subway and regional rail network. Buy tickets at platform machines.Taxis to Center City cost $28–35 (flat rate). Ride-shares to Center City run $22–35. For New York City, the Bolt Bus and Greyhound stop near 30th Street Station, or take NJ Transit to New York Penn Station (connecting from 30th Street). Amtrak also departs 30th Street Station for New York in 65 minutes.
Humid continental climate on the Delaware River. Winters (December–March) are cold (−2 to 5°C) with snow and ice. Philadelphia sits in the I-95 "snow corridor" and receives significant nor'easter snowfall several times per winter. PHL has solid de-icing capacity, but major storms cause multi-hour and multi-day disruptions.
Summers are hot and humid (28–34°C) with afternoon thunderstorms that cause frequent delays June through August. Spring and fall are transitional with variable conditions. Fog along the Delaware is occasional in fall and early winter mornings.
STL–PHL Quick Facts
Frequently Asked Questions
Flights from STL to PHL
St. Louis Lambert International Airport (STL) and Philadelphia International Airport (PHL) are connected by nonstop service from American Airlines, Aer Lingus and Southwest Airlines. With 70 weekly departures, this is a heavily served route.
STL to PHL Flight Duration and Schedule
Nonstop flight time from STL to PHL ranges from 2 hours 5 minutes to 3 hours 15 minutes. The route covers a distance of 812 miles (1,306 km). There are approximately 70 weekly flights outbound and 66 return, totaling 136 flights per week in both directions.
Connecting Options and Alternatives
78 one-stop connections are available, with the fastest taking approximately 4 hours via DAY. Two-stop connections are also available via intermediate hubs.