AirHint found the following cheapest return flights from Athens (ATH) to Riga (RIX) in August 2025 (see full year).

Return flights

25 Aug - 30 Aug	Aegean Airlines	direct
19 Aug - 26 Aug	SKY express
26 Aug - 02 Sep	SKY express
21 Aug - 26 Aug	LOT
12 Aug - 19 Aug	SKY express
20 Aug - 25 Aug	LOT
12 Aug - 16 Aug	SKY express
01 Aug - 05 Aug	Aegean Airlines
05 Aug - 12 Aug	LOT
01 Aug - 05 Aug	Aegean Airlines	direct
15 Aug - 18 Aug	Aegean Airlines
22 Aug - 01 Sep	Aegean Airlines
05 Aug - 08 Sep	SKY express
23 Aug - 02 Sep	Norwegian Air Sweden AOC
08 Aug - 11 Sep	Aegean Airlines
23 Aug - 02 Sep	Aegean Airlines	direct

Also check the deals for one-way flights from Athens to Riga in August.

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 Athens to Riga in August from $194

Return flights