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Direct flights from St Louis to Pittsburgh

Did you mean Flights from Pittsburgh to St Louis?

Flightmap/Flights from STL/STL to PIT

St Louis

United States

STL

Lambert St Louis International Airport

Pittsburgh

United States

PIT

Pittsburgh International Airport

Route
Nonstop service available
Distance
552 miles
Marketing airlines
1 airline
Aircraft
3 aircraft types
Dates
Oct 19, 2026 – Aug 2, 2027

Observed award fares

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.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from STL
  • Flights to PIT

St Louis to Pittsburgh route overview

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 19, 2026 – Aug 2, 2027.

Marketing airlines on the St Louis to Pittsburgh route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Aircraft flying from STL to PIT

Frequently asked questions

Which airports serve the St Louis to Pittsburgh route?

Lambert St Louis International Airport (STL) is the origin airport and Pittsburgh International Airport (PIT) is the destination airport.

How far is Pittsburgh from St Louis?

STL and PIT are approximately 552 miles apart by great-circle distance.

Are there direct flights from STL to PIT?

Yes. Roame's current schedule feed shows nonstop service from STL to PIT.

Which airlines market flights 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.

Which aircraft fly from STL to PIT?

Aircraft listed in the current schedule include Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8) and 7S7.

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