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

Return flights

10 Dec - 14 Dec	TAP
05 Dec - 12 Dec	TAP
03 Dec - 10 Dec	TAP
07 Dec - 14 Dec	TAP
01 Dec - 08 Dec	TAP
05 Dec - 08 Dec	TAP
10 Dec - 14 Dec	Air Canada	direct
06 Dec - 13 Dec	Air Canada	direct
04 Dec - 11 Dec	Air Canada
03 Dec - 06 Dec	Air Canada
05 Dec - 08 Jan	Air Canada
10 Dec - 07 Jan	Air Canada
31 Dec - 07 Jan	Air Canada
26 Dec - 16 Jan	Air Canada
22 Dec - 11 Jan	Air Transat
30 Dec - 06 Jan	Air France
29 Dec - 05 Jan	Air France
25 Dec - 01 Jan	Air Canada
20 Dec - 11 Jan	Air Canada
18 Dec - 11 Jan	Air Canada

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 407€

Return flights