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

Return flights

22 Aug - 02 Sep	Ryanair
22 Aug - 30 Aug	Ryanair
15 Aug - 23 Aug	Ryanair
18 Aug - 26 Aug	airBaltic
13 Aug - 19 Aug	Ryanair
15 Aug - 19 Aug	Ryanair
15 Aug - 26 Aug	airBaltic	direct
08 Aug - 19 Aug	Ryanair
16 Aug - 18 Aug	Aegean Airlines
01 Aug - 06 Aug	Norwegian Air Sweden AOC
04 Aug - 10 Aug	Turkish Airlines
22 Aug - 02 Sep	airBaltic	direct

Also check the deals for one-way flights from Riga to Thessaloniki 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 Riga to Thessaloniki in August from 181€

Return flights