Summer Nights - Up To 45% Off with Melia, Europe. Enjoy up to 45% off and let yourself be dazzled around Europe with Melia. Book with up to 30% off and an extra 15% off – exclusively for MeliáRewards members. Terms & Conditions: Booking window: Until June 26th 2016. Travel window: Until September 15th 2016. To enjoy the MeliáRewards discount log into your account or click the MeliáRewards tab during the booking process. When you log in as a MeliáRewards member rates are displayed with the 15% off already applied.