Founded 8 years ago, trivago is the largest hotel search and information website worldwide. Every month, 20 million users trust trivago as their starting point for travel research. trivago helps users find their ideal hotel and book it for the lowest possible rate by comparing prices from more than 100 booking sites. 19 trivago coupons, including trivago coupon codes & 19 deals for December 2017. Make use of trivago promo codes & sales in 2017 to get extra savings on top of the great offers already on trivago.com.