AirHint found the following cheapest return flights from Seoul (ICN) to Calgary (YYC) in September 2026 (see full year).

Return flights

17 Sep - 23 Sep	Delta
24 Sep - 30 Sep	Delta
28 Sep - 12 Oct	Delta
23 Sep - 29 Sep	Delta
09 Sep - 17 Sep	Delta
10 Sep - 21 Sep	Delta
23 Sep - 30 Sep	Delta
21 Sep - 30 Sep	Delta
16 Sep - 23 Sep	Delta
10 Sep - 15 Sep	Delta
22 Sep - 28 Sep	Delta
24 Sep - 01 Oct	Delta
24 Sep - 02 Oct	Delta
24 Sep - 03 Oct	Delta
24 Sep - 04 Oct	Delta
30 Sep - 21 Oct	Delta
29 Sep - 13 Oct	Delta
29 Sep - 06 Oct	Delta
20 Sep - 03 Oct	Delta
26 Sep - 04 Oct	Delta

Also check the deals for one-way flights from Seoul to Calgary 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 Seoul to Calgary in September from $811

Return flights