Nonstop flights from Houston to Cancún

3 airlines fly from 2 Houston airports (IAH and HOU) to Cancún (CUN), with up to 9 flights a day.

IAHCUN

Routes

2 airport pairs

When they leave

Houston time

7:48a5:05pFirst departure 7:48 AM, last 5:05 PM

Six in the morning, 7:48 AM to 11:49 AM, then two in the afternoon, 12:19 PM to 12:50 PM, then one evening flight at 5:05 PM. Every flight runs daily.

Every flight

Earliest first

7:48 AM→10:06 AMIAH to CUNUnited AirlinesBoeing 737 MAX 9Daily
8:20 AM→10:35 AMHOU to CUNSouthwest AirlinesBoeing 737-700Daily
9:44 AM→12:02 PMIAH to CUNUnited AirlinesBoeing 737Daily
10:15 AM→12:33 PMIAH to CUNUnited AirlinesBoeing 737Daily
10:25 AM→12:40 PMHOU to CUNSouthwest AirlinesBoeing 737-700Daily
11:49 AM→2:21 PMIAH to CUNFrontier AirlinesResumes Nov 20Airbus A321neoDaily
12:19 PM→2:37 PMIAH to CUNUnited AirlinesBoeing 737 MAX 9Daily
12:50 PM→3:00 PMHOU to CUNSouthwest AirlinesBoeing 737 MAX 8Daily
5:05 PM→7:19 PMIAH to CUNUnited AirlinesBoeing 737 MAX 9Daily

Schedules last checked Sep 19, 2026. Times are local.

Flying from Houston to Cancún

United Airlines flies most often, 5 times a day on the Boeing 737 MAX 9 and Boeing 737. Southwest Airlines flies 3 times a day on the Boeing 737-700 and Boeing 737 MAX 8. Frontier Airlines flies daily on the Airbus A321neo.

There are 9 flights every day of the week. The first arrival in Cancún is at 10:06 AM and the last at 7:19 PM.

IAH to CUN is the busiest airport pair, with 42 flights a week, then HOU to CUN with 21.

On IAH to CUN, Frontier Airlines is back on Nov 20.

Flying back, Cancún to Houston has 67 nonstop flights a week.

Return flights

Cancún to HoustonView

Find the cheapest day to fly from Houston to Cancún.

Schedules as of Oct 9, 2026.