In general, September is the cheapest month to fly from United Kingdom to Rennes. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £99. If you’re not able to fly to Rennes in September, then July is your next best option. Flight prices from United Kingdom to Rennes during July average around £107.
In general, most travellers find the cheapest time to book a flight to Rennes is about 60 days prior to their departure date, when tickets on average are £128.
On average, the least expensive day to fly to Rennes from United Kingdom is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £106. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to Rennes for around £166.
Flying to Rennes from United Kingdom in the evening is the least expensive time of day to depart. momondo users have found prices as low as £116 when looking at flights departing in the evening. Try not to purchase tickets at midday because they tend to be around £142. Of course, these prices can vary depending on the time of year and what airport you fly to.