Houston (IAH) to Cancun (CUN) flights
2 airlines fly nonstop from Houston (IAH) to Cancun (CUN): Frontier Airlines and United Airlines. The two airports are 812 miles (1,307 km) apart. United Airlines is in Star Alliance. There are also 26 ways to fly it with one stop, through Cozumel, New Orleans and Austin and more.
Airlines flying nonstop from IAH to CUN
- Frontier AirlinesNot in an allianceWho books it

- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAH to CUN 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 CUN with one stop
26 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Cozumel (CZM)United Airlines, then Neos
NO - Via New Orleans (MSY)United Airlines, then Southwest Airlines and Breeze Airways



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




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


- Via Belize City (BZE)United Airlines, then Tropic Air
9N - Via Dallas (DFW)American Airlines the whole way




- Via Tampico (TAM)United Airlines, then VivaAerobus


- Via Monterrey (MTY)VivaAerobus the whole way




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




- Via Veracruz (VER)United Airlines, then VivaAerobus


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



- 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




IAH to CUN: common questions
Which airlines fly nonstop from IAH to CUN?
Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Houston (IAH) to Cancun (CUN).
How far is Houston from Cancun by plane?
Houston (IAH) and Cancun (CUN) 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 IAH to CUN 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 CUN 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 CUN with taxes and fees.
Where can I connect between Houston and Cancun?
The most direct connections are through Cozumel (CZM), New Orleans (MSY), Austin (AUS), San Antonio (SAT) and Belize City (BZE). 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.