United States · 1,116 miles (1,796 km)

Houston (IAH) to Pittsburgh (PIT) flights

One airline flies nonstop from Houston (IAH) to Pittsburgh (PIT): United Airlines. The two airports are 1,116 miles (1,796 km) apart. United Airlines is in Star Alliance. There are also 39 ways to fly it with one stop, through Nashville, Louisville and Atlanta and more.

Airlines flying nonstop from IAH to PIT

  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAH to PIT with points

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

IAH to PIT with one stop

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

  • Via Nashville (BNA)United Airlines, then Southwest Airlines and Allegiant Air
    United Airlines logo
    Southwest Airlines logo
    Allegiant Air logo
  • Via Louisville (SDF)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Saint Louis (STL)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via New Orleans (MSY)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Greenville (GSP)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Austin (AUS)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Raleigh/Durham (RDU)United Airlines and Frontier Airlines, then American Airlines and Breeze Airways
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Breeze Airways logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Washington (DCA)American Airlines the whole way
    United Airlines logo
    American Airlines logo
    American Airlines logo
  • Via Savannah (SAV)United Airlines, then Allegiant Air
    United Airlines logo
    Allegiant Air logo
See all 39 in Routes

IAH to PIT: common questions

Which airlines fly nonstop from IAH to PIT?

United Airlines (Star Alliance) flies nonstop from Houston (IAH) to Pittsburgh (PIT).

How far is Houston from Pittsburgh by plane?

Houston (IAH) and Pittsburgh (PIT) are 1,116 miles (1,796 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IAH to PIT 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 IAH to PIT cost?

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

Where can I connect between Houston and Pittsburgh?

The most direct connections are through Nashville (BNA), Louisville (SDF), Atlanta (ATL), Saint Louis (STL) and New Orleans (MSY). On 19 of them the same airline flies both flights, for example Delta Air Lines through Atlanta.

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.