Here’s a good one day flash sale from WestJet. The code is good for travel between January 8 – June 26, 2019. There are no blackout dates!

1N4B8PC

Good for US, Mexico, and Caribbean.
Must book by 9:59pm Mountain Time tonight.

Click here for the sales page
https://www.westjet.com/en-ca/lowfaresandmore/discount-codes/1?i_cid=wj:wj-hp:hero1:discount-code:discount-code-12052018

This is a great deal if you had been considering getting away during the long weekends in the first half of 2019. Usually WestJet sales have blackout dates which make discounts /codes invalid during long weekends.