This is trip that you can do easily on your own while visiting Paris. It is a short train ride from Gare St-Lazare station in Paris to Vernon station. Grab a bus from the station to Giverny and make a day of it!
Paris Travel Guide - Find out the best day trips from Paris to see castles, charming villages, historical cities or taste the French Gastronomy. Plus other day tours to learn about war history or to get the kids playing
10 Things You Have To See Your First Time In Paris