Cancun (CUN) to Houston (IAH) flights
2 airlines fly nonstop from Cancun (CUN) to Houston (IAH): Frontier Airlines and United Airlines. The two airports are 812 miles (1,307 km) apart. United Airlines is in Star Alliance. There are also 25 ways to fly it with one stop, through New Orleans, Austin and San Antonio and more.
Airlines flying nonstop from CUN to IAH
- Frontier AirlinesNot in an allianceWho books it

- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book CUN to IAH 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
CUN to IAH with one stop
25 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via New Orleans (MSY)Southwest Airlines and Breeze Airways, then United Airlines



- Via Austin (AUS)Southwest Airlines, American Airlines and 1 more, then United Airlines




- Via San Antonio (SAT)Southwest Airlines, then United Airlines


- Via Belize City (BZE)Tropic Air, then United Airlines9N

- Via Dallas (DFW)American Airlines the whole way




- Via Tampico (TAM)VivaAerobus, then United Airlines


- Via Monterrey (MTY)VivaAerobus the whole way




- Via Tampa (TPA)JetBlue Airways and Breeze Airways, then United Airlines and Frontier Airlines




- Via Veracruz (VER)VivaAerobus, then United Airlines


- Via Tuxtla Gutierrez (TGZ)VivaAerobus and Volaris, then United Airlines



- Via Orlando (MCO)Frontier Airlines the whole way





- Via Miami (MIA)American Airlines the whole way






- Via Fort Lauderdale (FLL)JetBlue Airways the whole way




- Via Puebla (PBC)Volaris the whole way




- Via San Luis Potosi (SLP)Volaris the whole way



CUN to IAH: common questions
Which airlines fly nonstop from CUN to IAH?
Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Cancun (CUN) to Houston (IAH).
How far is Cancun from Houston by plane?
Cancun (CUN) and Houston (IAH) are 812 miles (1,307 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book CUN to IAH 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 CUN to IAH cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for CUN to IAH with taxes and fees.
Where can I connect between Cancun and Houston?
The most direct connections are through New Orleans (MSY), Austin (AUS), San Antonio (SAT), Belize City (BZE) and Dallas (DFW). On 12 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.