Get $40 off your hotel stay when you spend more than $300 and use the code MAYSAVE40 during booking at Hotels.com. This code works with select hotels, at destinations around the world. One potential vacation includes three nights at a boutique hotel in downtown Chicago, where the price drops from $760 to $720. The promotion requires payment when you book your room. Book by 5/7. Travel by 6/11. Some restrictions may apply.