Get $40 off when you spend $300 or more on select Hotel Bookings at Hotels.com with the code 40OFF3009 during checkout. One potential destination includes the Hotel Felix in Chicago. The cost of one possible three-night stay in mid-October is $547, but it drops to $507 with the code. This code does not work with travel packages and only applies at select hotels. Taxes, fees, and restrictions may apply. Book through Hotels.com by 9/11. Travel by 10/16.