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

Return flights

15 Dec - 21 Dec	airBaltic	direct
15 Dec - 22 Dec	airBaltic	direct
11 Dec - 14 Dec	Ryanair
31 Dec - 10 Jan	Ryanair
12 Dec - 14 Dec	Ryanair
10 Dec - 17 Dec	Ryanair
10 Dec - 12 Dec	Ryanair
08 Dec - 13 Dec	Ryanair
12 Dec - 15 Dec	LOT
11 Dec - 15 Dec	LOT
14 Dec - 22 Dec	LOT
17 Dec - 25 Jan	LOT
15 Dec - 01 Jan	airBaltic
27 Dec - 01 Jan	Norwegian Air Sweden AOC
17 Dec - 31 Jan	Ryanair
31 Dec - 01 Jan	airBaltic
17 Dec - 07 Jan	Ryanair
26 Dec - 06 Jan	Ryanair
17 Dec - 25 Jan	airBaltic	direct
31 Dec - 03 Jan	airBaltic

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

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Riga to Istanbul in December from 152€

Return flights