The status of student is a privilege because it offers some reductions in trades, cultural establishments, for your outgoings etc.
Then do not hesitate to ask the student tariff everywhere you are !
This list is not exhaustive but presents the most known organisms.

Voyages étudiants
On this web site, a lot of services will be suggested to you : flights, cars to rent, weekends, cultural journeys etc. In a youth hostel or in a 4 étoiles hotel, by coach or by plane, free time or package tour... you decide ! Useful, you can reserve and ask for an estimate on line.
www.voyagesetudiants.com

OTU
You are young people, student and you want to leave for a weekend or on holiday with a little bugdet?
OTU is a student travel agency. It proposes a catalogue with very various destinations. Visit the web site and you will discover the advantages, the services, the ISIC card, the offers etc.

Voyages 4A
Built in 1989 by young people from Lorraine to help the fall of the Berlin wall, the agency proposes other destinations since then. On the web site, you can reserve your flight or your hotel. The very various themes will appease your desire of culture, festival or holiday. You can organize a trip for group and always by bus.
www.voyages4a.com

Eurolines
The Europe by bus. The first in the transport + accommodation service, Eurolines adapt to quality and destinations. Take advantage of the good ideas to leave in weekend. Reserve it now, prepare your trip on the web site and leave quiet with the inflatable pillow, the earplugs etc.
www.eurolines.fr/anglais/som_gen1.htm