Go through your results for flights to Rennes in France with Netflights. The most popular airlines for this route are KLM, Lufthansa & Aer Lingus, with KLM claiming the top spot.
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.
36 direct and indirect flights go to Rennes every week and we scan them all. Or broaden your search by looking at other airports in France.
Looking at a few different departure airports will give you even more choice. The most popular airports offering direct flights to Rennes are Jersey (JER). See what you can find. And remember, it's best to book your flights in advance wherever possible.