Cheapest return flights from Montreal to Dublin in December from $590

AirHint found the following cheapest return flights from Montreal (YUL) to Dublin (DUB) in December 2026 (see full year).

Return flights

02 Dec - 09 Dec Air Canada
01 Dec - 08 Dec SWISS
07 Dec - 14 Dec Lufthansa
09 Dec - 16 Dec Lufthansa
16 Dec - 23 Dec Lufthansa
14 Dec - 21 Dec SWISS
05 Dec - 12 Dec Air Canada
06 Dec - 13 Dec Air Canada
10 Dec - 17 Dec Lufthansa
04 Dec - 11 Dec Air Canada
25 Dec - 01 Jan Air Canada
26 Dec - 02 Jan Air Canada

Also check the deals for one-way flights from Montreal to Dublin in December.

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