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

Return flights

27 Aug - 22 Sep	WestJet	direct
30 Aug - 18 Sep	WestJet	direct
27 Aug - 01 Sep	WestJet
10 Aug - 22 Sep	WestJet
23 Aug - 01 Sep	WestJet
22 Aug - 01 Sep	WestJet
07 Aug - 08 Sep	WestJet	direct
10 Aug - 22 Sep	WestJet	direct
21 Aug - 01 Sep	WestJet
28 Aug - 04 Sep	WestJet
13 Aug - 25 Aug	WestJet
13 Aug - 18 Aug	WestJet
11 Aug - 23 Aug	WestJet
18 Aug - 23 Aug	WestJet
13 Aug - 27 Aug	WestJet
17 Aug - 24 Aug	WestJet
13 Aug - 24 Aug	WestJet
11 Aug - 24 Aug	WestJet
11 Aug - 22 Aug	WestJet
13 Aug - 26 Aug	WestJet

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

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 August from 538€

Return flights