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

Return flights

06 Dec - 13 Dec	WestJet
04 Dec - 14 Dec	WestJet
07 Dec - 22 Jan	WestJet
01 Dec - 25 Dec	WestJet
06 Dec - 18 Jan	WestJet
07 Dec - 19 Jan	WestJet
09 Dec - 13 Jan	WestJet
11 Dec - 20 Jan	WestJet
25 Dec - 17 Jan	WestJet
29 Dec - 19 Jan	Air Canada
30 Dec - 20 Jan	Air Canada
10 Dec - 13 Jan	WestJet
11 Dec - 13 Jan	WestJet
03 Dec - 05 Dec	Air Canada
11 Dec - 30 Dec	WestJet
12 Dec - 15 Dec	Flair Airlines
15 Dec - 29 Dec	WestJet
22 Dec - 30 Dec	Flair Airlines
23 Dec - 30 Dec	WestJet
23 Dec - 31 Dec	WestJet

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 529€

Return flights