Portland (PDX) to Houston (IAH) flights
2 airlines fly nonstop from Portland (PDX) to Houston (IAH): Alaska Airlines and United Airlines. The two airports are 1,823 miles (2,934 km) apart. Alaska Airlines is in oneworld and United Airlines is in Star Alliance. There are also 41 ways to fly it with one stop, through Salt Lake City, Hayden and Dallas and more.
Airlines flying nonstop from PDX to IAH
- Alaska Airlinesoneworld · bookable with 9 programsWho books it

- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book PDX 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
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska 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
PDX to IAH with one stop
41 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Salt Lake City (SLC)Delta Air Lines the whole way




- Via Hayden (HDN)Alaska Airlines, then United Airlines


- Via Dallas (DFW)American Airlines the whole way




- Via Denver (DEN)Frontier Airlines and United Airlines the whole way

+1


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


- Via Albuquerque (ABQ)Alaska Airlines, then United Airlines


- Via Jackson (JAC)Alaska Airlines, then United Airlines


- Via Bozeman (BZN)Alaska Airlines, then United Airlines


- Via Reno (RNO)Alaska Airlines, then United Airlines


- Via Las Vegas (LAS)Frontier Airlines the whole way





- Via Seattle (SEA)Alaska Airlines the whole way




- Via Phoenix (PHX)American Airlines the whole way






- Via Kalispell (FCA)Alaska Airlines, then United Airlines


- Via Tucson (TUS)Alaska Airlines, then United Airlines


- Via Sacramento (SMF)Alaska Airlines and Southwest Airlines, then United Airlines



PDX to IAH: common questions
Which airlines fly nonstop from PDX to IAH?
Alaska Airlines (oneworld) and United Airlines (Star Alliance) fly nonstop from Portland (PDX) to Houston (IAH).
How far is Portland from Houston by plane?
Portland (PDX) and Houston (IAH) are 1,823 miles (2,934 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book PDX to IAH award flights?
22 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club, Avianca LifeMiles, British Airways Club, Cathay Pacific Asia Miles and 14 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does PDX 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 PDX to IAH with taxes and fees.
Where can I connect between Portland and Houston?
The most direct connections are through Salt Lake City (SLC), Hayden (HDN), Dallas (DFW), Denver (DEN) and Austin (AUS). On 18 of them the same airline flies both flights, for example Delta Air Lines through Salt Lake City.
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.