Houston to Cancun (IAH-CUN): nonstop flights and who flies them

United Airlines and Frontier Airlines fly nonstop between Houston (IAH) and Cancun (CUN), roughly 35 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. United Airlines and Frontier Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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35
Nonstop flights a week
811 mi
Nonstop distance
Free
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Houston to Cancun flight schedule

Scheduled nonstop departures for IAH to CUN, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Houston (IAH) to Cancun (CUN)
Date Flight Airline Departs IAH Arrives CUN Duration Aircraft
UA 1619United Airlines07:4810:062h 18m7M9
UA 1018United Airlines09:4412:022h 18m739
UA 1014United Airlines10:1512:332h 18m739
UA 1167United Airlines12:1914:372h 18m7M9
UA 1020United Airlines17:0519:192h 14m7M9
UA 1619United Airlines07:4810:062h 18m7M9
UA 1018United Airlines09:4412:022h 18m739
UA 1014United Airlines10:1512:332h 18m739
UA 1167United Airlines12:1914:372h 18m7M9
UA 1020United Airlines17:0519:192h 14m7M9
UA 1619United Airlines07:4810:062h 18m7M9
UA 1018United Airlines09:4412:022h 18m739
UA 1014United Airlines10:1512:332h 18m739
UA 1167United Airlines12:1914:372h 18m7M9
UA 1020United Airlines17:0519:192h 14m7M9
UA 1619United Airlines07:4810:062h 18m7M9
UA 1018United Airlines09:4412:022h 18m739
UA 1014United Airlines10:1512:332h 18m739
UA 1167United Airlines12:1914:372h 18m7M9
UA 1020United Airlines17:0519:192h 14m7M9
UA 1619United Airlines07:4810:062h 18m7M9
UA 1018United Airlines09:4412:022h 18m739
UA 1014United Airlines10:1512:332h 18m739
UA 1167United Airlines12:1914:372h 18m7M9
UA 1020United Airlines17:0519:192h 14m7M9
UA 1619United Airlines07:4810:062h 18m7M9
UA 1018United Airlines09:4412:022h 18m739
UA 1014United Airlines10:1512:332h 18m739
UA 1167United Airlines12:1914:372h 18m7M9
UA 1020United Airlines17:0519:192h 14m7M9
UA 1619United Airlines07:4810:062h 18m7M9
UA 1018United Airlines09:4412:022h 18m739
UA 1014United Airlines10:1512:332h 18m739
UA 1167United Airlines12:1914:372h 18m7M9
UA 1020United Airlines17:0519:192h 14m7M9

Showing all 35 scheduled IAH to CUN departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every IAH to CUN date on the interactive map

The full IAH to CUN nonstop schedule

United Airlines and Frontier Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full IAH to CUN nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each IAH to CUN departure, checked against live inventory so you know what is open before you book.

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Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See IAH to CUN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Houston to Cancun nonstop

Carriers operating IAH to CUN nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See IAH to CUN on the interactive map →

Frequently asked questions about IAH to CUN

How far is Cancun from Houston?
IAH to CUN covers about 811 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from IAH to CUN?
United Airlines and Frontier Airlines fly the route nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the IAH to CUN schedule rather than a space claim.
How many flights a week are there from IAH to CUN?
About 35 nonstop flights a week run between Houston and Cancun in the current schedule, operated by United Airlines and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from IAH to CUN depart?
Scheduled IAH to CUN nonstops in the next 7 days with service leave between 07:48 and 17:05, local time at Houston. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on IAH to CUN?
Not on this route: none of United Airlines and Frontier Airlines is a carrier 2LNR reads inventory for. The page carries the full IAH to CUN nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full IAH to CUN nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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