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

Return flights

11 Dec - 16 Dec	Wizz Air Malta
25 Dec - 15 Jan	Norwegian	direct
03 Dec - 10 Dec	Iberia
06 Dec - 10 Dec	Iberia
01 Dec - 07 Dec	Iberia
04 Dec - 11 Dec	Iberia	direct
05 Dec - 10 Dec	Iberia
11 Dec - 16 Dec	Norwegian	direct
11 Dec - 14 Dec	Norwegian	direct
25 Dec - 31 Dec	Norwegian	direct
12 Dec - 14 Dec	Iberia	direct
24 Dec - 13 Jan	Iberia	direct
31 Dec - 05 Jan	Iberia	direct
30 Dec - 02 Jan	Iberia	direct
26 Dec - 01 Jan	LOT
27 Dec - 01 Jan	Wizz Air Malta
26 Dec - 01 Jan	Iberia	direct

Also check the deals for one-way flights from Madrid to Oslo 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 Oslo in December from $166

Return flights