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

Return flights

10 Oct - 17 Oct	Wizz Air UK
06 Oct - 10 Oct	Wizz Air UK
14 Oct - 17 Oct	Pegasus Airlines
23 Oct - 27 Oct	Pegasus Airlines
03 Oct - 06 Oct	airBaltic	direct
03 Oct - 05 Oct	airBaltic	direct
06 Oct - 10 Oct	airBaltic	direct
14 Oct - 17 Oct	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul 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 Istanbul to Riga in October from 156€

Return flights