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

Return flights

25 Dec - 01 Jan	LOT
26 Dec - 31 Dec	LOT
26 Dec - 30 Dec	LOT
26 Dec - 02 Jan	LOT
28 Dec - 01 Jan	Pegasus Airlines
30 Dec - 11 Jan	LOT
30 Dec - 28 Jan	LOT
27 Dec - 01 Jan	LOT
28 Dec - 02 Jan	Pegasus Airlines
29 Dec - 04 Jan	airBaltic	direct
29 Dec - 05 Jan	airBaltic	direct
30 Dec - 03 Jan	LOT
26 Dec - 31 Dec	airBaltic	direct
26 Dec - 28 Dec	AJet
25 Dec - 28 Dec	LOT
27 Dec - 28 Dec	Pegasus Airlines
26 Dec - 28 Dec	airBaltic	direct
23 Dec - 28 Dec	AJet
25 Dec - 28 Dec	Turkish Airlines	direct
26 Dec - 30 Dec	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 $205

Return flights