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

Return flights

04 Oct - 23 Oct	WestJet	direct
01 Oct - 16 Oct	WestJet	direct
19 Oct - 25 Oct	WestJet	direct
04 Oct - 10 Oct	WestJet	direct
03 Oct - 18 Oct	WestJet	direct
04 Oct - 25 Oct	WestJet	direct
06 Oct - 24 Oct	Flair Airlines
06 Oct - 20 Oct	Flair Airlines
05 Oct - 24 Oct	Air Canada
04 Oct - 11 Oct	WestJet	direct
28 Oct - 11 Nov	Air Canada
21 Oct - 04 Nov	Air Canada
31 Oct - 21 Nov	Air Canada
22 Oct - 05 Nov	Air Canada
15 Oct - 01 Nov	Air Canada
14 Oct - 04 Nov	WestJet
29 Oct - 11 Nov	China Airlines
11 Oct - 01 Nov	China Airlines

Also check the deals for one-way flights from Calgary to Seoul 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 Calgary to Seoul in October from $696

Return flights