United States · 1,286 miles (2,069 km)

Pittsburgh (PIT) to Denver (DEN) flights

2 airlines fly nonstop from Pittsburgh (PIT) to Denver (DEN): Southwest Airlines and United Airlines. The two airports are 1,286 miles (2,069 km) apart. United Airlines is in Star Alliance. There are also 42 ways to fly it with one stop, through Chicago, Chicago and Saint Louis and more.

Airlines flying nonstop from PIT to DEN

Book PIT to DEN with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

PIT to DEN with one stop

42 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Saint Louis (STL)Southwest Airlines the whole way
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Louisville (SDF)Breeze Airways, then United Airlines and Southwest Airlines
    Breeze Airways logo
    United Airlines logo
    Southwest Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Frontier Airlines logo
    Sun Country Airlines logo
    +2
  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    Allegiant Air logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Air Canada logo
    United Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Greenville (GSP)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Washington (DCA)American Airlines, then Frontier Airlines and United Airlines
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Baltimore (BWI)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
See all 42 in Routes

PIT to DEN: common questions

Which airlines fly nonstop from PIT to DEN?

Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Pittsburgh (PIT) to Denver (DEN).

How far is Pittsburgh from Denver by plane?

Pittsburgh (PIT) and Denver (DEN) are 1,286 miles (2,069 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book PIT to DEN award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does PIT to DEN cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for PIT to DEN with taxes and fees.

Where can I connect between Pittsburgh and Denver?

The most direct connections are through Chicago (MDW), Chicago (ORD), Saint Louis (STL), Detroit (DTW) and Louisville (SDF). On 30 of them the same airline flies both flights, for example Southwest Airlines through Chicago.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.