cheap hotel in paris near Elysian Fields

Directions from the Royal Phare Hotel:

On foot 20 minutes. Take a left out of the hotel and go straight.
Turn left at Boulevard de la Tour Maubourg.
Continue straight through the bridge of the Invalides. You will arrive on the Place Franklin Roosevelt, which leads to the beginning of the Champs Elysées.

By metro, 10-15 minutes. Take the metro Ecole Militaire at the exit of the hotel. Take line 8 direction Créteil.
Get off at Concorde and take line 1 towards La Défense, get off at Champs Elysées Clemenceau.