United States Β· 1,007 miles (1,620 km)

Houston (IAH) to Phoenix (PHX) flights

3 airlines fly nonstop from Houston (IAH) to Phoenix (PHX): American Airlines, Frontier Airlines and United Airlines. The two airports are 1,007 miles (1,620 km) apart. American Airlines is in oneworld and United Airlines is in Star Alliance. There are also 40 ways to fly it with one stop, through Midland, Austin and El Paso and more.

Airlines flying nonstop from IAH to PHX

Book IAH to PHX with points

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

IAH to PHX with one stop

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

  • Via Midland (MAF)United Airlines, then American Airlines
    United Airlines logo
    American Airlines logo
  • Via Austin (AUS)United Airlines, then American Airlines, Frontier Airlines and 2 more
    United Airlines logo
    American Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
    +1
  • Via El Paso (ELP)United Airlines, then American Airlines and Southwest Airlines
    United Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Abilene (ABI)United Airlines, then American Airlines
    United Airlines logo
    American Airlines logo
  • Via San Antonio (SAT)United Airlines, then American Airlines, Frontier Airlines and 1 more
    United Airlines logo
    American Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Lubbock (LBB)United Airlines, then American Airlines
    United Airlines logo
    American Airlines logo
  • Via Tucson (TUS)United Airlines, then American Airlines and Southwest Airlines
    United Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Albuquerque (ABQ)United Airlines, then American Airlines and Southwest Airlines
    United Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    Frontier Airlines logo
  • Via Durango (DRO)United Airlines, then American Airlines
    United Airlines logo
    American Airlines logo
  • Via Oklahoma City (OKC)United Airlines, then American Airlines and Southwest Airlines
    United Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via McAllen (MFE)United Airlines, then American Airlines
    United Airlines logo
    American Airlines logo
  • Via Monterrey (MTY)United Airlines and VivaAerobus, then American Airlines
    United Airlines logo
    VivaAerobus logo
    American Airlines logo
  • Via Colorado Springs (COS)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Tulsa (TUL)United Airlines, then Southwest Airlines and American Airlines
    United Airlines logo
    Southwest Airlines logo
    American Airlines logo
See all 40 in Routes

IAH to PHX: common questions

Which airlines fly nonstop from IAH to PHX?

American Airlines (oneworld), Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Houston (IAH) to Phoenix (PHX).

How far is Houston from Phoenix by plane?

Houston (IAH) and Phoenix (PHX) are 1,007 miles (1,620 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 PHX 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 PHX 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 PHX with taxes and fees.

Where can I connect between Houston and Phoenix?

The most direct connections are through Midland (MAF), Austin (AUS), El Paso (ELP), Abilene (ABI) and San Antonio (SAT). On 7 of them the same airline flies both flights, for example American Airlines through Dallas.

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.