Cheapest return flights from Rennes to Brussels in September from $250

AirHint found the following cheapest return flights from Rennes (RNS) to Brussels (BRU) in September 2025 (see full year).

Return flights

01 Sep - 07 Sep Volotea
11 Sep - 14 Sep KLM

Also check the deals for one-way flights from Rennes to Brussels in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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