Direct (non-stop) flights from Saint Louis (STL) to Philadelphia (PHL)
Find comprehensive flight information, schedules, and booking details for direct flights from Saint Louis (STL) to Philadelphia (PHL). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 2h 04m - 2h 23m (average flight time)• Distance: 816 miles (1313 km) (air miles between airports)• Daily Flights: 3-9 flights (scheduled departures per day)
Saint Louis (STL)
Philadelphia (PHL)
FLIGHT TIME
2h 04m - 2h 23m
FLIGHT DISTANCE
816 miles (1313 km)
2h 5m - 2h 15m
06:00
21:10
816 miles (1313 km)
March
2 (Show)
43
Flight Schedule
December 2025
Airlines with direct flights from Saint Louis (STL) to Philadelphia (PHL)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 04m - 2h 23m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Airline service: This route is primarily served by American Airlines and Southwest Airlines, reflecting hub connections and route network strategies.
Best departure times: Peak departure times are 6:00, 8:00, 10:00, offering more flight options and potentially better connections.
Saint Louis (STL) - Philadelphia (PHL) flight price statistics
$406
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$429
Jan$508
Feb$277
Mar$346
Apr$356
May$478
Jun$397
Jul$346
Aug$445
Sep$479
Oct$418
Nov$397
DecRelated Information
Airports: STL • PHL Airport
Airlines operating this route: American Airlines (AA), Southwest Airlines
Frequently Asked Questions
How many flights operate from STL to PHL?
There are 6 direct flights operating from STL to PHL. Approximately 3-9 flights daily.
Which airlines operate flights from STL to PHL?
2 airlines operate on this route: American Airlines, Southwest Airlines.
How long is the flight from STL to PHL?
The flight duration from STL to PHL is approximately 2h 04m - 2h 23m.
What is the distance from STL to PHL?
The distance from STL to PHL is 816 miles (1313 km).
What is the flight time range for this route?
Flight times on this route range from 2h 5m - 2h 15m.
What are the earliest and latest flight departure times?
The earliest flight departs at 06:00 and the latest flight departs at 21:10.
What is the cheapest month to fly from STL to PHL?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 43 flights operate per week from STL to PHL.
What types of aircraft operate on this route?
This route is served by Airbus A319, Boeing 737-700 (winglets) Passenger/BBJ1, Embraer 175, Canadair (Bombardier) Regional Jet 700 and Challenger 870.
What is the average flight price from STL to PHL?
The average flight price for a round-trip ticket from STL to PHL is approximately $406 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from STL to PHL for the lowest prices?
March is typically the cheapest month to fly from STL to PHL. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from STL to PHL?
2 airlines offer direct flights from STL to PHL, providing travelers with multiple options for scheduling and pricing.
How far is PHL from STL?
The distance from STL to PHL is 816 miles (1313 km). This is a long-haul flight route.
How long does it take to fly from STL to PHL?
The flight time from STL to PHL is approximately 2h 04m - 2h 23m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.