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

Return flights

03 Dec - 17 Dec	WestJet
01 Dec - 11 Dec	United
11 Dec - 23 Dec	WestJet
24 Dec - 31 Dec	WestJet
31 Dec - 06 Jan	United
24 Dec - 10 Jan	Korean Air
25 Dec - 10 Jan	Korean Air
21 Dec - 28 Dec	WestJet
21 Dec - 30 Dec	Air Canada
21 Dec - 11 Jan	Air Canada
22 Dec - 10 Jan	Air Canada
21 Dec - 10 Jan	Air Canada
20 Dec - 28 Dec	Air Canada
19 Dec - 07 Jan	Air Canada
19 Dec - 19 Jan	Air Canada
20 Dec - 10 Jan	Air Canada
20 Dec - 09 Jan	Air Canada

Also check the deals for one-way flights from Calgary to Seoul in December.

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 December from 757€

Return flights