United States · 1,823 miles (2,934 km)

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 Airlines logo
    Alaska Airlinesoneworld · bookable with 9 programsWho books it
  • United Airlines logo
    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.

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
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Hayden (HDN)Alaska Airlines, then United Airlines
    Alaska Airlines logo
    United Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Denver (DEN)Frontier Airlines and United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    Frontier Airlines logo
    United Airlines logo
  • Via Austin (AUS)Alaska Airlines, then United Airlines
    Alaska Airlines logo
    United Airlines logo
  • Via Albuquerque (ABQ)Alaska Airlines, then United Airlines
    Alaska Airlines logo
    United Airlines logo
  • Via Jackson (JAC)Alaska Airlines, then United Airlines
    Alaska Airlines logo
    United Airlines logo
  • Via Bozeman (BZN)Alaska Airlines, then United Airlines
    Alaska Airlines logo
    United Airlines logo
  • Via Reno (RNO)Alaska Airlines, then United Airlines
    Alaska Airlines logo
    United Airlines logo
  • Via Las Vegas (LAS)Frontier Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Seattle (SEA)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
    United Airlines logo
  • Via Phoenix (PHX)American Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Kalispell (FCA)Alaska Airlines, then United Airlines
    Alaska Airlines logo
    United Airlines logo
  • Via Tucson (TUS)Alaska Airlines, then United Airlines
    Alaska Airlines logo
    United Airlines logo
  • Via Sacramento (SMF)Alaska Airlines and Southwest Airlines, then United Airlines
    Alaska Airlines logo
    Southwest Airlines logo
    United Airlines logo
See all 41 in Routes

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.