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

Return flights

06 Dec - 12 Dec	LOT
11 Dec - 13 Dec	Air France
04 Dec - 10 Dec	LOT
11 Dec - 24 Jan	Air France
09 Dec - 13 Dec	Lufthansa
02 Dec - 04 Dec	Lufthansa
05 Dec - 08 Dec	LOT
11 Dec - 14 Dec	LOT
12 Dec - 14 Dec	Lufthansa
29 Dec - 04 Jan	LOT
23 Dec - 06 Jan	LOT
22 Dec - 05 Jan	LOT
23 Dec - 04 Jan	LOT
25 Dec - 08 Jan	KLM
30 Dec - 04 Jan	LOT
19 Dec - 22 Dec	Eurowings
21 Dec - 08 Jan	Eurowings
30 Dec - 03 Jan	KLM
24 Dec - 27 Dec	KLM
28 Dec - 02 Jan	Lufthansa

Also check the deals for one-way flights from Stuttgart 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 Stuttgart to Riga in December from $229

Return flights