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

Return flights

26 Dec - 14 Jan	Turkish Airlines
26 Dec - 15 Jan	Turkish Airlines
28 Dec - 03 Jan	Turkish Airlines
25 Dec - 14 Jan	Turkish Airlines
25 Dec - 15 Jan	Turkish Airlines
06 Dec - 13 Dec	KLM
15 Dec - 26 Dec	TAP
17 Dec - 27 Dec	Royal Air Maroc
27 Dec - 03 Jan	Turkish Airlines

Also check the deals for one-way flights from Sao Paulo 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 Sao Paulo to Riga in December from 847€

Return flights