United States · 934 miles (1,503 km)

Houston (IAH) to Tucson (TUS) flights

One airline flies nonstop from Houston (IAH) to Tucson (TUS): United Airlines. The two airports are 934 miles (1,503 km) apart. United Airlines is in Star Alliance. There are also 8 ways to fly it with one stop, through Dallas, Phoenix and Denver and more.

See award prices Filter in Routes

Airlines flying nonstop from IAH to TUS

United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAH to TUS 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
ANA Mileage ClubBooks United Airlines
Avianca LifeMilesBooks United Airlines
Emirates SkywardsBooks United Airlines
EVA Air Infinity MileageLandsBooks United Airlines
JetBlue TrueBlueBooks United Airlines
Lufthansa Miles & MoreBooks United 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 TUS with one stop

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

Via Dallas (DFW)American Airlines the whole way
Via Phoenix (PHX)American Airlines the whole way
Via Denver (DEN)United Airlines the whole way
Via Las Vegas (LAS)Frontier Airlines and United Airlines, then Southwest Airlines
Via San Diego (SAN)United Airlines, then Southwest Airlines
Via Santa Ana (SNA)United Airlines, then Alaska Airlines
Via Salt Lake City (SLC)Delta Air Lines the whole way
Via Los Angeles (LAX)American Airlines and Delta Air Lines the whole way
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IAH to TUS: common questions

Which airlines fly nonstop from IAH to TUS?

United Airlines (Star Alliance) flies nonstop from Houston (IAH) to Tucson (TUS).

How far is Houston from Tucson by plane?

Houston (IAH) and Tucson (TUS) are 934 miles (1,503 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 TUS 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 TUS 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 TUS with taxes and fees.

Where can I connect between Houston and Tucson?

The most direct connections are through Dallas (DFW), Phoenix (PHX), Denver (DEN), Las Vegas (LAS) and San Diego (SAN). On 5 of them the same airline flies both flights, for example American Airlines through Dallas.

More routes

TUS to IAH Every nonstop from IAH Every nonstop from TUS

IAH to Istanbul IST IAH to Paris CDG IAH to Frankfurt FRA IAH to Chicago ORD IAH to Dallas DFW IAH to Amsterdam AMS IAH to Dubai DXB IAH to Rome FCO IAH to Atlanta ATL IAH to Denver DEN IAH to Munich MUC IAH to London LHR

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.