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

Return flights

03 Dec - 10 Dec	TAP
05 Dec - 12 Dec	TAP
07 Dec - 14 Dec	TAP
01 Dec - 08 Dec	TAP
05 Dec - 08 Dec	TAP
06 Dec - 13 Dec	Air Canada	direct
04 Dec - 11 Dec	Air Canada
10 Dec - 17 Dec	TAP
08 Dec - 15 Dec	TAP
02 Dec - 09 Dec	Air Canada
05 Dec - 08 Jan	Air Canada
31 Dec - 21 Jan	TAP
12 Dec - 11 Jan	Air Canada
10 Dec - 07 Jan	TAP
31 Dec - 10 Jan	Air Canada
15 Dec - 05 Jan	Air Transat
26 Dec - 10 Jan	Air Canada
31 Dec - 07 Jan	Brussels Airlines
29 Dec - 05 Jan	Air Transat
30 Dec - 06 Jan	Air France

Also check the deals for one-way flights from Montreal to Lyon 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 Lyon in December from $453

Return flights