Cheapest return flights from Montreal to Sydney in September from 690€
AirHint found the following cheapest return flights from Montreal (YUL) to Sydney (SYD)
in September 2025 (see full year ).
Return flights
05 Sep
- 12 Sep
WestJet
690 €
03 Sep
- 10 Sep
Porter Airlines (Canada) Ltd
782 €
02 Sep
- 07 Sep
Porter Airlines (Canada) Ltd
875 €
10 Sep
- 17 Sep
Porter Airlines (Canada) Ltd
879 €
02 Sep
- 19 Sep
Porter Airlines (Canada) Ltd
939 €
06 Sep
- 16 Sep
WestJet
949 €
12 Sep
- 19 Sep
WestJet
957 €
02 Sep
- 09 Sep
Porter Airlines (Canada) Ltd
998 €
06 Sep
- 13 Sep
WestJet
1003 €
14 Sep
- 21 Sep
WestJet
1030 €
24 Sep
- 01 Oct
Porter Airlines (Canada) Ltd
1080 €
25 Sep
- 02 Oct
Porter Airlines (Canada) Ltd
1080 €
16 Sep
- 15 Oct
WestJet
1109 €
28 Sep
- 05 Oct
Porter Airlines (Canada) Ltd
1113 €
26 Sep
- 03 Oct
WestJet
1181 €
27 Sep
- 04 Oct
WestJet
1244 €
29 Sep
- 06 Oct
Porter Airlines (Canada) Ltd
1341 €
Also check the deals for one-way flights from Montreal to Sydney in September .
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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