Offer valid for reservations booked 23 January 2019 - 30 March 2019 for stays between 01 February and 28 April 2019. Hotel credit is per night stayed and cannot be used towards room rate, taxes, or resort fee; cannot be used toward future stays. Hotel credit is applicable to on-property hotel-operated outlets. Room upgrade is complimentary only when booking this offer to stay between specified date range at participating hotels in Europe. Room upgrade is valid for the next available room level. Must quote promotional code to receive offer. Limited number of rooms available at promotional rate, blackout dates and other restrictions may apply. Rates listed are per room per night and based on availability at the time of reservation. Rates may exclude city and other taxes in some markets. Offer does not apply to groups of 10 or more rooms. Bookings are non-amendable and non-refundable if cancelled more than 1 day after booking.