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

Return flights

11 Oct - 14 Oct	airBaltic	direct
04 Oct - 07 Oct	airBaltic	direct
14 Oct - 18 Oct	airBaltic	direct
31 Oct - 03 Nov	airBaltic	direct
07 Oct - 11 Oct	airBaltic	direct
25 Oct - 28 Oct	airBaltic
03 Oct - 06 Oct	Lufthansa

Also check the deals for one-way flights from Sofia to Riga in October.

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 October from 139€

Return flights