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

Return flights

07 Dec - 12 Dec	Scandinavian Airlines
06 Dec - 12 Dec	TAP
05 Dec - 11 Dec	TAP
05 Dec - 12 Dec	TAP
05 Dec - 10 Dec	TAP
05 Dec - 09 Dec	TAP
05 Dec - 27 Jan	TAP
11 Dec - 15 Dec	KLM
02 Dec - 08 Dec	KLM
12 Dec - 15 Dec	KLM
02 Dec - 09 Dec	KLM
14 Dec - 08 Jan	Delta
11 Dec - 08 Jan	Delta
11 Dec - 09 Jan	Delta
14 Dec - 07 Jan	KLM
12 Dec - 09 Jan	KLM
15 Dec - 20 Jan	KLM
16 Dec - 17 Jan	Delta
15 Dec - 06 Jan	Delta
15 Dec - 07 Jan	Delta

Also check the deals for one-way flights from Madrid to Miami 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 Miami in December from 354€

Return flights