AirHint found the following cheapest return flights from Athens (ATH) to Riga (RIX) in September 2026 (see full year).
Return flights
| 25 Sep - 29 Sep | Aegean Airlines | direct | |
| 18 Sep - 22 Sep | Aegean Airlines | direct | |
| 26 Sep - 29 Sep | Aegean Airlines | ||
| 25 Sep - 28 Sep | Aegean Airlines | ||
| 18 Sep - 21 Sep | Aegean Airlines |
Also check the deals for one-way flights from Athens to Riga in September.
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