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

Return flights

02 Sep - 09 Sep	Ryanair
16 Sep - 22 Sep	airBaltic	direct
16 Sep - 19 Sep	Ryanair
06 Sep - 08 Sep	airBaltic	direct
23 Sep - 26 Sep	Ryanair
09 Sep - 15 Sep	Ryanair
16 Sep - 19 Sep	airBaltic	direct
08 Sep - 15 Sep	Ryanair
09 Sep - 15 Sep	airBaltic	direct
13 Sep - 15 Sep	airBaltic	direct

Also check the deals for one-way flights from Thessaloniki to Riga in September.

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 Thessaloniki to Riga in September from 160€

Return flights