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

Return flights

04 Oct - 16 Oct	WestJet	direct
04 Oct - 23 Oct	WestJet	direct
03 Oct - 25 Oct	WestJet	direct
03 Oct - 11 Oct	WestJet	direct
04 Oct - 18 Oct	WestJet	direct
03 Oct - 24 Oct	Air Canada
04 Oct - 25 Oct	WestJet	direct
24 Oct - 19 Nov	Air Canada
19 Oct - 28 Oct	WestJet
03 Oct - 12 Oct	Air Canada
03 Oct - 03 Nov	Air Canada
27 Oct - 19 Nov	WestJet
27 Oct - 24 Nov	WestJet
23 Oct - 19 Nov	Air Canada
22 Oct - 19 Nov	WestJet
04 Oct - 14 Oct	WestJet
27 Oct - 20 Nov	WestJet
27 Oct - 22 Nov	WestJet
27 Oct - 21 Nov	WestJet
25 Oct - 19 Nov	WestJet

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 453€

Return flights