Deals, descriptions, photos, stars, comparisons are why I like to do my research on internet booking pages. A few I’ve been using lately:
http://www.hotelscombined.com
http://www.booking.com
http://www.tripadvisor.com
Some good deals during this shoulder season:
Hotel Monceau Elysees
108 Rue De Courcelles, 17. Batignolles-Monceau
$75 best deal
http://www.hotel-paris-monceau.com
Victoria Hotel Paris
2 Bis Cite Bergere, Faubourg-Montmartre
$85 best deal
http://www.hotelvictoriaparis.com/fr/
Quality Hotel Paris Orleans
185-187 Boulevard Brune, 14. Montparnasse
$90 best deal
http://www.paris-orleans-hotel.com
Hotel Fontaines du Luxembourg
4 Rue De Vaugirard, 06. Saint-Germain-des-Pres
$142 best deal
http://www.hotel-luxembourg.com/pages/hotel.html
Hotel Chaplain Rive Gauche
11 Bis Rue Jules Chaplain, 06. Saint-Germain-des-Pres
$138 best deal
http://www.chaplainparishotel.com
Hotel Observatoire Luxembourg
107 Boulevard Saint Michel, 06. Saint-Germain-des-Pres
$168 best deal
http://www.observatoirehotel.com
If you contact the hotel directly, sometimes you might get even a better deal. Almost all hotel staffers these days speak (or attempt) English. Start with the booking sites.