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

Houston (IAH) to Portland (PDX) flights

2 airlines fly nonstop from Houston (IAH) to Portland (PDX): 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 IAH to PDX

  • Alaska Airlines logo
    Alaska Airlinesoneworld · bookable with 9 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAH to PDX with points

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

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

IAH to PDX: common questions

Which airlines fly nonstop from IAH to PDX?

Alaska Airlines (oneworld) and United Airlines (Star Alliance) fly nonstop from Houston (IAH) to Portland (PDX).

How far is Houston from Portland by plane?

Houston (IAH) and Portland (PDX) 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 IAH to PDX 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 IAH to PDX 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 PDX with taxes and fees.

Where can I connect between Houston and Portland?

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.