AirHint found the following cheapest return flights from Montreal (YUL) to Alicante (ALC) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec	KLM
01 Dec - 08 Dec	KLM
08 Dec - 15 Dec	KLM
10 Dec - 17 Dec	KLM
05 Dec - 12 Dec	KLM
06 Dec - 13 Dec	SWISS
02 Dec - 09 Dec	SWISS
07 Dec - 14 Dec	SWISS
04 Dec - 11 Dec	Brussels Airlines
09 Dec - 16 Dec	SWISS
30 Dec - 06 Jan	SWISS
31 Dec - 07 Jan	SWISS
18 Dec - 09 Jan	British Airways
28 Dec - 04 Jan	British Airways
29 Dec - 05 Jan	British Airways
25 Dec - 01 Jan	British Airways
26 Dec - 02 Jan	British Airways

Also check the deals for one-way flights from Montreal to Alicante 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 Montreal to Alicante in December from $607

Return flights