A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.
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Did you mean Flights from Pittsburgh to St Louis?
St Louis
United StatesSTL
Lambert St Louis International Airport
Pittsburgh
United StatesPIT
Pittsburgh International Airport
Lambert St Louis International Airport (STL) serves St Louis; Pittsburgh International Airport (PIT) serves Pittsburgh.
The airports are 552 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from STL to PIT.
Marketing airlines listed in the current schedule, including codeshare sellers, are Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Oct 1, 2026 – Jun 2, 2027.
These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.
Lambert St Louis International Airport (STL) is the origin airport and Pittsburgh International Airport (PIT) is the destination airport.
STL and PIT are approximately 552 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from STL to PIT.
Marketing airlines listed in the current schedule, including codeshare sellers, are Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8) and 7S7.