Direct flights from Saint Louis to Pittsburgh
All flights from STL to PIT non-stop. There are direct flights from Saint Louis Airport, Missouri, USA to Pittsburgh Airport (PIT), Pennsylvania, USA every day of the week with Southwest Airlines. The flight distance is 555 miles and the trip usually takes about 1 hour and 30 minutes.
Airlines with non-stop routes:

Southwest Airlines
Low-cost airlineFlight 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 2023-03-20
(888) 506-0230: Unpublished Flight Rates From Saint Louis to Pittsburgh
Saint Louis to Pittsburgh flight departures
Select a date to see all scheduled flight departures between STL to PIT.

STL - PIT information
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Distance555 miles (893 km)
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Flight time1 hour and 30 minutes
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Airlines
Southwest
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AlliancesOne WorldSky TeamStar Alliance
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ClassesEconomyBusinessFirst Class
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Southwest AircraftBoeing 737 Passenger
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Departure TerminalTerminal 2 (Southwest)
Unpublished Flight Rates From Saint Louis to Pittsburgh