Direct flights from Saint Louis to Pittsburgh
All flights from STL to PIT non-stop. There are direct flights from Saint Louis Airport (STL), Missouri, USA to Pittsburgh Airport (PIT), Pennsylvania, USA with Southwest Airlines. 13 weekly departures are currently scheduled on this route. Departure times range from 09:45 to 20:50 depending on the schedule period. The flight distance is 555 miles (893 km). Flight time ranges from 1 hour and 30 minutes to 1 hour and 45 minutes.
Saint Louis
, USA
Flight schedule from Saint Louis to Pittsburgh with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-08-24
Saint Louis to Pittsburgh scheduled departures
Select a date to see every published non-stop departure between STL and PIT.
STL - PIT route facts
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Distance555 miles (893 km)
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Flight time1 hour and 30 minutes to 1 hour and 45 minutes
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Airline Southwest
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Airline alliancesLow-cost carrier
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CabinsEconomy
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Departure terminalsTerminal 2
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AircraftBoeing 737MAX 8 Passenger, Boeing 737-700 Passenger (Scimitar Winglets) and Boeing 737-800 (winglets) Passenger/BBJ2
Route FAQ
Direct flights from Saint Louis to PA, USA
From Saint Louis to Philadelphia
PHL Philadelphia International Airport
