Houston skyline

Cancun (CUN) to Houston (IAH) business class award flights

Dates
Travellers and cabin

Who’s flying?

Adults12 and over
1
Cabin
Programmes
Stops
Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length

Filters

Programmes
Also show, besides Business
Stops
Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length
Lowest seen in the last 10 days35,000 milesPlus fees$80.79ProgramUnited MileagePlusUnited MileagePlusAirlineUnited AirlinesUnited AirlinesDepartingWed, Oct 28
Last checked 9d agoChecked

Which program and airline costs you least

Cancun to Houston in business class starts at 35K miles plus $80.79 — United Airlines through United MileagePlus.

Every way to book CUN to IAH with miles or points
Airline
United AirlinesUnited AirlinesNonstoplast seen 12 Oct, not re-checked sinceUnited MileagePlus35Kplus $80.79
JetBlueJetBluevia FLLlast seen 12 Oct, not re-checked sinceUnited MileagePlus100Kplus $86.39

CUN to IAH in business class: the facts

Over the next 60 days we hold business class seats from Cancun to Houston on 60 of the 60 departure days, through 1 program. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat. Data updated .

  • United MileagePlus
    Days with space
    60 of 60
    Lowest
    35,000 miles
    Typical day
    47,200 miles
    Cash on top
    $81

Nonstop or with a connection

Nonstop seats on United Airlines. With a connection on JetBlue.

How to book it

  1. United MileagePlus books on united.com: sign in there, search CUN to IAH in business class on a date with space, and pay in miles with the cash on top (from $81).

MilesZone finds the seat; it does not book it or take payment.

Get told the moment a CUN → IAH seat opens.

We re-check that exact seat seconds before the email leaves, so what you open is still there.

Email only. Searching this route stays free for departures in the next 60 days.