To see a wider selection of flights to Paris, try searching by city rather than by airport.
But it's best to go through your results thoroughly, to find the best option for you.
Accommodation costs will also be higher at this time of year. To get an idea of hotel prices in France, search with Netflights. We do car hire price comparisons too.
Whoever you want to fly with, it's best to book your flights in advance, particularly if you want to fly on a specific date – otherwise they may sell out. Once you've booked, why not take a look at accommodation? Simply click on the ‘Hotel’ tab at the top of the page.