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

Return flights

01 Dec - 11 Dec	WestJet
02 Dec - 16 Dec	United
02 Dec - 17 Dec	United
01 Dec - 15 Dec	WestJet
01 Dec - 17 Dec	United
24 Dec - 31 Dec	Air Canada
24 Dec - 30 Dec	Air Canada
10 Dec - 31 Dec	Air Canada
11 Dec - 31 Dec	Air Canada
18 Dec - 31 Dec	Air Canada
27 Dec - 02 Jan	Air Canada
29 Dec - 03 Jan	Air Canada
20 Dec - 05 Jan	Air Canada
14 Dec - 02 Jan	Air Canada
20 Dec - 03 Jan	Air Canada
19 Dec - 03 Jan	Air Canada
20 Dec - 04 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 776€

Return flights