Orbitz has a great promotion that could net you a free 1-night stay in Puerto Rico. They are giving out $75 in Orbucks for hotel bookings in Puerto Rico, on top of the Orbucks that you regularly earn for your stays. Additionally, you can get a 10% discount using promo code BOOKNOW and maybe some more cashback through shopping portals. If you find a cheap enough stay, it could be free. Here’s an example where you are paying $77.70 and getting back $77.33 in Orbucks:
Major chains are probably excluded, but a few non-chain hotels that I tested out worked. This will give you the best deal for one night stays obviously but it also works for more nights. The rewards is in Orbucks that can be used towards another booking. Hurry, I doubt it will go on for long.
HT: Frequent Miler