Chicago O'Hare (ORD)
Republic · United · American · SkyWest
Pittsburgh International Airport · Pittsburgh, PA · large airport
PIT has 48 nonstop destinations, including Chicago, New York and Atlanta. Every route below is a direct flight from Pittsburgh, busiest first.
48 nonstop destinations — busiest first, with departures per week
Flight counts are departures actually operated in July 2026, and fares are the middle half of one-way tickets sold in the Q2 2025 survey, both from US DOT filings. Routes without a published fare sample show no price.
Republic · United · American · SkyWest
Republic
Delta · Southwest
Southwest · Spirit · Frontier · Republic
Republic · JetBlue
American
American
United · Southwest · Frontier
Republic · JetBlue
American · Republic
Republic · American
Republic
Southwest · Allegiant
Delta · SkyWest
Southwest
Southwest
SkyWest · Republic · Delta
United
Republic · United
Southwest · JetBlue · Spirit
Southwest
American · Southwest
Southwest · American · Allegiant
American · United
Republic · American
Alaska
Southwest
United
Southwest
Southwest · Allegiant
Southwest
Southwest
Delta
Southwest
Allegiant · Southwest
Allegiant · Southwest
Allegiant
Allegiant · Southwest
Allegiant
Allegiant
Southwest
Allegiant
Allegiant
Allegiant
Allegiant
Allegiant
British Airways
Air Canada
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