US Terms: Purchase of Hotels.com gift cards must occur at www.hotels.com/giftcards or https://hotels.cashstar.com to be eligible for offer. Valid for purchase of plastic or digital (eGift) Hotels.com gift cards. Limit one Free $10 Hotels.com gift card per customer. Free $10 Hotels.com gift card will be fulfilled in digital (eGift) format up to 48 hours following original purchase and will be e-mailed to e-mail address on file for purchaser. Purchaser must spend at least $50 cumulatively in one purchase to receive free $10 gift card. Only one free $10 Hotels.com gift card per customer. Free $10 Hotels.com gift card cannot be combined or merged with gift cards purchased as part of the transaction that resulted in the receipt of the free $10 Hotels.com gift card, nor can the $10 free gift card be combined with any other Hotels.com gift card. Only one gift card allowed per booking on Hotels.com. Not valid with any other offer, void where prohibited. Valid only during dates of offer: Wednesday, December 20th, 2017, 12:01am Eastern to Tuesday, December 26th, 2017, 3:01am Eastern. Quantities are limited. Valid while supplies last.