Go through your results for flights to Rennes in France with Netflights. The most popular airlines for this route are Air France, FlyBe & KLM, with Air France claiming the top spot. Although Air France usually has the best prices, it's best to double check what's available for your travel dates.
If these flights are too expensive, try searching for a different time of year. So if your dates are flexible, consider looking at different times of year.
15 direct and indirect flights go to Rennes every week and we scan them all. Look out for flights with Air France, as they often have good deals. Or broaden your search by looking at other airports in France.
Looking at a few different departure airports will give you even more choice. See what you can find. And remember, it's best to book your flights in advance wherever possible.