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

Pittsburgh (PIT) to Houston (IAH) flights

One airline flies nonstop from Pittsburgh (PIT) to Houston (IAH): 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 PIT to IAH

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

Book PIT to IAH with points

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

PIT to IAH with one stop

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

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

PIT to IAH: common questions

Which airlines fly nonstop from PIT to IAH?

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

How far is Pittsburgh from Houston by plane?

Pittsburgh (PIT) and Houston (IAH) 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 PIT to IAH 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 IAH 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 IAH with taxes and fees.

Where can I connect between Pittsburgh and Houston?

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.