AirHint found the following cheapest return flights from Rennes (RNS) to Dublin (DUB) in October 2025 (see full year).

Return flights

11 Oct - 12 Oct	easyJet
10 Oct - 12 Oct	easyJet
10 Oct - 14 Oct	easyJet
11 Oct - 13 Oct	easyJet
08 Oct - 15 Oct	easyJet
04 Oct - 06 Oct	easyJet
05 Oct - 08 Oct	easyJet
10 Oct - 17 Oct	easyJet
09 Oct - 12 Oct	easyJet
17 Oct - 21 Oct	easyJet
30 Oct - 03 Nov	easyJet
29 Oct - 02 Nov	easyJet
27 Oct - 01 Nov	easyJet

Also check the deals for one-way flights from Rennes to Dublin in October.

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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Cheapest return flights from Rennes to Dublin in October from $171

Return flights