Cheapest return flights from Montreal to Sydney in May from $1090

AirHint found the following cheapest return flights from Montreal (YUL) to Sydney (SYD) in May 2026 (see full year).

Return flights

19 May - 26 May Porter Airlines (Canada) Ltd
17 May - 24 May Porter Airlines (Canada) Ltd
07 May - 14 May Porter Airlines (Canada) Ltd
15 May - 31 May WestJet
09 May - 16 May WestJet
21 May - 28 May Porter Airlines (Canada) Ltd
29 May - 05 Jun Porter Airlines (Canada) Ltd
20 May - 05 Jun Porter Airlines (Canada) Ltd
05 May - 12 May Porter Airlines (Canada) Ltd
30 May - 06 Jun Porter Airlines (Canada) Ltd
20 May - 09 Jun Porter Airlines (Canada) Ltd
16 May - 09 Jun WestJet
05 May - 15 May Porter Airlines (Canada) Ltd
06 May - 20 May United
03 May - 10 May United
11 May - 01 Jun United
31 May - 07 Jun Porter Airlines (Canada) Ltd
28 May - 14 Jun Air New Zealand

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

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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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