Calgary to Ixtapa, Mexico - $209 after tax roundtrip
This flight has been around at a decent price for a while, but now it's gone even lower.
April 20-27
Can see it on WestJet -
http://www.westjet.com
Most people don't know where Ixtapa Zihuatanejo is. Here's the Wikipedia Article to help you out.
http://en.wikipedia.org/wiki/Zihuatanejo
It has some nice hotels, some all inclusives, but obviously has a lot
less resorty feel to it than more well known destinations in Mexico.