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

Return flights

01 Apr - 16 Apr	Air Canada
01 Apr - 09 Apr	Air Canada
01 Apr - 13 Apr	Air Canada
19 Apr - 30 Apr	WestJet	direct
08 Apr - 20 Apr	WestJet	direct
19 Apr - 25 Apr	WestJet	direct
15 Apr - 03 May	WestJet	direct
30 Apr - 21 May	WestJet	direct
01 Apr - 23 Apr	Air Canada
01 Apr - 22 Apr	Air Canada
07 Apr - 22 Apr	Air Canada
18 Apr - 30 Apr	Air Canada

Also check the deals for one-way flights from Calgary to Seoul 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 Calgary to Seoul in April from $594

Return flights