Cheapest return flights from Montreal to Sydney in October from 1252€

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 October 2025 (see full year).

Return flights

14 Oct - 21 Oct ANA
07 Oct - 14 Oct ANA
13 Oct - 20 Oct ANA
01 Oct - 08 Oct United
15 Oct - 22 Oct United
19 Oct - 26 Oct United
21 Oct - 28 Oct United
28 Oct - 04 Nov United
29 Oct - 05 Nov United
11 Oct - 28 Oct United
27 Oct - 03 Nov United
09 Oct - 16 Oct United
11 Oct - 18 Oct United
25 Oct - 01 Nov United
31 Oct - 07 Nov United

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

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney