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

Return flights

09 Apr - 14 Apr	Delta
02 Apr - 09 Apr	Delta
01 Apr - 08 Apr	Delta
09 Apr - 13 Apr	Delta
01 Apr - 09 Apr	Delta
16 Apr - 23 Apr	Delta
16 Apr - 20 Apr	Delta
01 Apr - 30 Apr	Delta
30 Apr - 06 May	Delta
02 Apr - 05 Apr	T'way Air
01 Apr - 10 Apr	Delta
26 Apr - 04 May	Delta
23 Apr - 02 May	Delta
30 Apr - 03 May	Delta
24 Apr - 03 May	Delta
26 Apr - 02 May	Delta
26 Apr - 03 May	Delta
30 Apr - 07 May	Delta
25 Apr - 04 May	Delta
25 Apr - 02 May	Delta

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

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 April from $811

Return flights