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
- American Airlinesoneworld Β· bookable with 9 programsWho books it

- Frontier AirlinesNot in an allianceWho books it

- United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book IAH to PHX 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 American Airlines
- American AAdvantageBooks American Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- British Airways ClubBooks American Airlines
- Cathay Pacific Asia MilesBooks American Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Finnair PlusBooks American Airlines
- Iberia ClubBooks American Airlines
- JAL Mileage BankBooks American Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Qantas Frequent FlyerBooks American Airlines
- Qatar Airways Privilege ClubBooks American 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
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


- Via Austin (AUS)United Airlines, then American Airlines, Frontier Airlines and 2 more


+1
- Via El Paso (ELP)United Airlines, then American Airlines and Southwest Airlines



- Via Abilene (ABI)United Airlines, then American Airlines


- Via San Antonio (SAT)United Airlines, then American Airlines, Frontier Airlines and 1 more




- Via Lubbock (LBB)United Airlines, then American Airlines


- Via Tucson (TUS)United Airlines, then American Airlines and Southwest Airlines



- Via Albuquerque (ABQ)United Airlines, then American Airlines and Southwest Airlines



- Via Dallas (DFW)American Airlines the whole way




- Via Durango (DRO)United Airlines, then American Airlines


- Via Oklahoma City (OKC)United Airlines, then American Airlines and Southwest Airlines



- Via McAllen (MFE)United Airlines, then American Airlines


- Via Monterrey (MTY)United Airlines and VivaAerobus, then American Airlines



- Via Colorado Springs (COS)United Airlines, then Southwest Airlines


- Via Tulsa (TUL)United Airlines, then Southwest Airlines and American Airlines



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.