Are you sure it doesn't also include spa services? (I just ran the same search with your travel dates, and the 100% Hotwire guests recommendation hotel includes spa services). If so, I believe I booked this hotel for my family in law for next month: "La Villa Maillot". According to the reviews on Tripadvisor, a pretty good hotel it seems. Cheapest room on the hotel's own website 152 euro. If not, there's the "North of Champs Elys