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

Return flights

25 Aug - 31 Aug	Asiana Airlines
25 Aug - 01 Sep	Zipair
19 Aug - 10 Sep	Air Seoul, Inc
23 Aug - 30 Aug	Asiana Airlines
22 Aug - 25 Aug	Asiana Airlines
22 Aug - 28 Aug	Asiana Airlines
06 Aug - 13 Aug	United
10 Aug - 09 Sep	United
19 Aug - 26 Aug	Asiana Airlines
20 Aug - 27 Aug	Air Seoul, Inc
27 Aug - 03 Sep	Asiana Airlines
14 Aug - 21 Aug	United
05 Aug - 13 Aug	United
10 Aug - 15 Aug	United
31 Aug - 06 Sep	Air Seoul, Inc
30 Aug - 06 Sep	Air Busan
29 Aug - 05 Sep	Asiana Airlines
29 Aug - 06 Sep	Asiana Airlines
25 Aug - 05 Sep	Air Premia
26 Aug - 02 Sep	Air Premia

Also check the deals for one-way flights from Seoul to Calgary 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 Seoul to Calgary in August from $816

Return flights