AirHint found the following cheapest return flights from Rennes (RNS) to Athens (ATH) in January 2026 (see full year).
Return flights
| 16 Jan - 13 Feb | easyJet | ||
| 18 Jan - 25 Jan | easyJet | ||
| 21 Jan - 31 Jan | easyJet | ||
| 10 Jan - 14 Jan | Air France |
Also check the deals for one-way flights from Rennes to Athens in January.
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