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

Return flights

04 Dec - 14 Dec	Flair Airlines
02 Dec - 09 Dec	WestJet
07 Dec - 22 Jan	WestJet
01 Dec - 25 Dec	WestJet
06 Dec - 18 Jan	WestJet
07 Dec - 19 Jan	WestJet
03 Dec - 10 Dec	WestJet
01 Dec - 08 Dec	WestJet
11 Dec - 20 Jan	WestJet
09 Dec - 13 Jan	WestJet
09 Dec - 28 Dec	WestJet
10 Dec - 13 Jan	WestJet
11 Dec - 13 Jan	WestJet
25 Dec - 17 Jan	WestJet
10 Dec - 14 Jan	WestJet
11 Dec - 14 Jan	WestJet
08 Dec - 29 Dec	WestJet
10 Dec - 30 Dec	WestJet
22 Dec - 29 Dec	Air Canada
12 Dec - 30 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Calgary to Seoul in December from $617

Return flights