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

Return flights

15 Sep - 22 Sep	WestJet	direct
08 Sep - 22 Sep	WestJet	direct
25 Sep - 09 Oct	WestJet	direct
04 Sep - 18 Sep	WestJet	direct
05 Sep - 23 Oct	WestJet	direct
18 Sep - 29 Sep	WestJet	direct
26 Sep - 18 Oct	WestJet	direct
10 Sep - 14 Sep	WestJet	direct
22 Sep - 20 Oct	Air Canada
08 Sep - 20 Oct	Air Canada
29 Sep - 16 Oct	Air Canada
01 Sep - 11 Sep	Air Canada
03 Sep - 10 Sep	Air Canada
14 Sep - 20 Oct	Air Canada
07 Sep - 20 Oct	Air Canada
14 Sep - 29 Sep	WestJet	direct
11 Sep - 22 Sep	Air Canada
12 Sep - 22 Sep	Air Canada
26 Sep - 20 Oct	Air Canada
18 Sep - 07 Oct	WestJet

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

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 September from 507€

Return flights