Cheapest return flights from Montreal to Sydney in December from $1378

Best time to book flights for Montreal (YUL) to Sydney (SYD) flights at AirHint

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

Return flights

05 Dec - 12 Dec Porter Airlines (Canada) Ltd
03 Dec - 10 Dec Porter Airlines (Canada) Ltd
02 Dec - 09 Dec United
10 Dec - 17 Dec Porter Airlines (Canada) Ltd
01 Dec - 08 Dec Air New Zealand
04 Dec - 11 Dec United
06 Dec - 13 Dec Air New Zealand
08 Dec - 15 Dec United
17 Dec - 24 Dec WestJet
14 Dec - 21 Dec FrenchBee
18 Dec - 01 Jan Porter Airlines (Canada) Ltd
23 Dec - 17 Jan Air New Zealand
31 Dec - 07 Jan Air Canada
29 Dec - 05 Jan WestJet
30 Dec - 06 Jan Air New Zealand
12 Dec - 04 Jan FrenchBee
18 Dec - 04 Jan WestJet
25 Dec - 01 Jan Air Canada
28 Dec - 04 Jan Turkish Airlines
26 Dec - 02 Jan WestJet

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

Skyscanner

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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