United States · 1,665 miles (2,680 km)

Houston (IAH) to Portland (PWM) flights

One airline flies nonstop from Houston (IAH) to Portland (PWM): United Airlines. The two airports are 1,665 miles (2,680 km) apart. United Airlines is in Star Alliance. There are also 25 ways to fly it with one stop, through Nashville, Pittsburgh and Cincinnati and more.

Airlines flying nonstop from IAH to PWM

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

Book IAH to PWM with points

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

IAH to PWM with one stop

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

  • Via Nashville (BNA)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Pittsburgh (PIT)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Cincinnati (CVG)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Columbus (CMH)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via New York (LGA)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    American Airlines logo
    Delta Air Lines logo
  • Via Baltimore (BWI)United Airlines and Frontier Airlines, then Southwest Airlines
    United Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Washington (DCA)American Airlines the whole way
    United Airlines logo
    American Airlines logo
    American Airlines logo
  • Via New York (JFK)JetBlue Airways the whole way
    JetBlue Airways logo
    JetBlue Airways logo
    Delta Air Lines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Raleigh/Durham (RDU)United Airlines and Frontier Airlines, then Breeze Airways
    United Airlines logo
    Frontier Airlines logo
    Breeze Airways logo
See all 25 in Routes

IAH to PWM: common questions

Which airlines fly nonstop from IAH to PWM?

United Airlines (Star Alliance) flies nonstop from Houston (IAH) to Portland (PWM).

How far is Houston from Portland by plane?

Houston (IAH) and Portland (PWM) are 1,665 miles (2,680 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 PWM 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 IAH to PWM 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 PWM with taxes and fees.

Where can I connect between Houston and Portland?

The most direct connections are through Nashville (BNA), Pittsburgh (PIT), Cincinnati (CVG), Columbus (CMH) and Dulles (IAD). On 13 of them the same airline flies both flights, for example United Airlines through Dulles.

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.