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

Return flights

26 Aug - 29 Aug	ANA
30 Aug - 07 Sep	Japan Airlines
25 Aug - 30 Aug	Japan Airlines
29 Aug - 05 Sep	Japan Airlines
29 Aug - 31 Aug	Japan Airlines
26 Aug - 31 Aug	Japan Airlines
25 Aug - 22 Sep	Japan Airlines
23 Aug - 29 Aug	Japan Airlines
19 Aug - 22 Aug	Japan Airlines
24 Aug - 31 Aug	Japan Airlines
19 Aug - 21 Aug	Japan Airlines
17 Aug - 23 Aug	Japan Airlines

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 1222€

Return flights