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

Return flights

25 Aug - 02 Sep	Wizz Air
25 Aug - 03 Sep	Wizz Air
20 Aug - 27 Aug	Ryanair
26 Aug - 03 Sep	Ryanair
19 Aug - 26 Aug	Wizz Air
19 Aug - 23 Aug	Wizz Air
20 Aug - 24 Aug	Ryanair
27 Aug - 31 Aug	Norwegian
19 Aug - 23 Aug	airBaltic	direct
19 Aug - 26 Aug	airBaltic	direct
23 Aug - 30 Aug	airBaltic	direct
26 Aug - 30 Aug	airBaltic	direct

Also check the deals for one-way flights from Sofia 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 Sofia to Riga in August from 262€

Return flights