Flights to Southwest Pennsylvania from St. Louis - ￥24,860

View ￥24,860 flight on Fri, Dec 26, 2025Opens in a new window

Popular airlines from St. Louis to Southwest Pennsylvania

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from St. Louis to Southwest Pennsylvania (STL-PIT)

Prices were available within the past 7 days and start at ￥24,860 for one-way flights and ￥49,610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Dec 26 - Mon, Dec 29
STL
St. Louis
PIT
Pittsburgh
￥49,610 Roundtrip, found 1 day ago
￥49,610
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Dec 26 from St. Louis to Pittsburgh, returning Mon, Dec 29, priced at ￥49,610 found 1 day ago
Delta
Fri, Dec 26 - Mon, Dec 29
STL
St. Louis
PIT
Pittsburgh
￥51,330 Roundtrip, found 1 day ago
￥51,330
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Dec 26 from St. Louis to Pittsburgh, returning Mon, Dec 29, priced at ￥51,330 found 1 day ago
United
Fri, Dec 26 - Mon, Dec 29
STL
St. Louis
PIT
Pittsburgh
￥54,020 Roundtrip, found 1 day ago
￥54,020
Roundtrip
found 1 day ago
Select United flight, departing Fri, Dec 26 from St. Louis to Pittsburgh, returning Mon, Dec 29, priced at ￥54,020 found 1 day ago
Delta
Fri, Dec 26 - Mon, Dec 29
STL
St. Louis
PIT
Pittsburgh
￥55,740 Roundtrip, found 1 day ago
￥55,740
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Dec 26 from St. Louis to Pittsburgh, returning Mon, Dec 29, priced at ￥55,740 found 1 day ago
Delta
Fri, Dec 26 - Mon, Dec 29
STL
St. Louis
PIT
Pittsburgh
￥55,850 Roundtrip, found 1 day ago
￥55,850
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Dec 26 from St. Louis to Pittsburgh, returning Mon, Dec 29, priced at ￥55,850 found 1 day ago
American Airlines
Fri, Dec 26 - Mon, Dec 29
STL
St. Louis
PIT
Pittsburgh
￥61,970 Roundtrip, found 1 day ago
￥61,970
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 26 from St. Louis to Pittsburgh, returning Mon, Dec 29, priced at ￥61,970 found 1 day ago

Find the cheapest month to fly from St. Louis (STL) to Pittsburgh (PIT)

September is typically the cheapest month to fly

From ￥22,129 - ￥101,902 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.