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

Return flights

05 Dec - 14 Dec	TAP
03 Dec - 14 Dec	TAP
05 Dec - 13 Dec	TAP
09 Dec - 16 Dec	British Airways
02 Dec - 08 Dec	Finnair
03 Dec - 14 Dec	British Airways	direct
02 Dec - 08 Dec	British Airways	direct
10 Dec - 21 Dec	British Airways	direct
10 Dec - 10 Jan	Air Canada
08 Dec - 24 Dec	Air Europa	direct
06 Dec - 14 Dec	Finnair
29 Dec - 09 Jan	Scandinavian Airlines
29 Dec - 14 Jan	Scandinavian Airlines
23 Dec - 10 Jan	Air Canada
16 Dec - 13 Jan	TAP
26 Dec - 10 Jan	Air Canada
30 Dec - 07 Jan	Air Canada
27 Dec - 13 Jan	Lufthansa
27 Dec - 16 Jan	SWISS
23 Dec - 07 Jan	Air Canada

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

Return flights