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

Return flights

08 Dec - 15 Dec	AJet
07 Dec - 09 Dec	Pegasus Airlines
29 Dec - 04 Jan	airBaltic	direct
04 Dec - 09 Dec	AJet
01 Dec - 07 Dec	AJet
06 Dec - 09 Dec	Pegasus Airlines
03 Dec - 08 Dec	Pegasus Airlines
05 Dec - 07 Dec	Pegasus Airlines
04 Dec - 08 Dec	AJet
01 Dec - 07 Dec	airBaltic	direct
05 Dec - 07 Dec	airBaltic	direct
25 Dec - 07 Jan	LOT
29 Dec - 02 Jan	airBaltic	direct
26 Dec - 02 Jan	airBaltic	direct
28 Dec - 07 Jan	LOT
28 Dec - 07 Jan	airBaltic	direct
25 Dec - 07 Jan	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Riga in December.

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 December from $200

Return flights