If you are planning a trip to Cancun, you can catch a flight to Cancun for only $90. There are a lot of outbound flight's from Houston to Cancun for $90. The average cost for a return ticket from Cancun to Houston is $102.
Flight's to Cancun
You can see the prices for days months in advance, for both outbound flights from Houston to Cancun and inbound flights from Cancun to Houston.