AirHint found the following cheapest return flights from Madrid (MAD) to Rio Negro (MDE) in December 2025 (see full year).

Return flights

09 Dec - 23 Jan	TAP
08 Dec - 23 Jan	TAP
31 Dec - 30 Jan	TAP
30 Dec - 31 Jan	TAP
31 Dec - 21 Jan	TAP
31 Dec - 19 Jan	TAP
11 Dec - 15 Jan	LATAM Airlines Group
29 Dec - 29 Jan	TAP
29 Dec - 19 Jan	TAP
15 Dec - 24 Jan	TAP
09 Dec - 11 Dec	TAP
08 Dec - 15 Dec	TAP
07 Dec - 13 Dec	TAP
09 Dec - 12 Dec	TAP
06 Dec - 15 Dec	Iberia
09 Dec - 15 Dec	TAP
15 Dec - 22 Dec	TAP
07 Dec - 14 Dec	American Airlines
09 Dec - 23 Dec	TAP
12 Dec - 22 Dec	Air Europa

Also check the deals for one-way flights from Madrid to Rio Negro 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 Madrid to Rio Negro in December from $867

Return flights