AirHint found the following cheapest return flights from Sydney (SYD) to Calgary (YYC) in October 2025 (see full year).

Return flights

07 Oct - 03 Nov	Air Canada
29 Oct - 20 Nov	Air Canada
14 Oct - 04 Nov	Air Canada
16 Oct - 04 Nov	Air Canada
11 Oct - 04 Nov	Air Canada
11 Oct - 18 Oct	Air Canada
12 Oct - 04 Nov	Air Canada
10 Oct - 04 Nov	Air Canada
11 Oct - 31 Oct	Air Canada
12 Oct - 19 Oct	Air Canada
10 Oct - 31 Oct	Air Canada
15 Oct - 26 Nov	Virgin Australia
07 Oct - 14 Oct	Air Canada
03 Oct - 17 Oct	Air Canada
09 Oct - 13 Oct	Air Canada

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

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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Cheapest return flights from Sydney to Calgary in October from 957€

Return flights