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 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.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
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



- Via Louisville (SDF)Breeze Airways, then United Airlines


- Via Atlanta (ATL)Delta Air Lines the whole way





- Via Saint Louis (STL)Southwest Airlines, then United Airlines


- Via New Orleans (MSY)Breeze Airways, then United Airlines


- Via Greenville (GSP)Breeze Airways, then United Airlines


- Via Detroit (DTW)Delta Air Lines the whole way




- Via Charlotte (CLT)American Airlines the whole way




- Via Dallas (DFW)American Airlines the whole way



- Via Chicago (ORD)American Airlines and United Airlines the whole way





- Via Austin (AUS)Southwest Airlines, then United Airlines


- Via Raleigh/Durham (RDU)American Airlines and Breeze Airways, then United Airlines and Frontier Airlines




- Via Dulles (IAD)United Airlines the whole way


- Via Washington (DCA)American Airlines the whole way



- Via Savannah (SAV)Allegiant Air, then United Airlines


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.