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

Return flights

25 May - 18 Jun	Air Canada
06 May - 11 Jun	Air Canada
27 May - 18 Jun	Air Canada
04 May - 23 May	Air Canada
23 May - 10 Jun	Air Canada
13 May - 30 May	Air Canada
02 May - 14 May	Air Canada
02 May - 18 May	Air Canada
27 May - 13 Jun	Air Canada
25 May - 13 Jun	Air Canada
09 May - 16 May	Air Canada
01 May - 09 May	Air Canada
02 May - 16 May	Air Canada
29 May - 14 Jun	WestJet
29 May - 04 Jun	WestJet
02 May - 17 May	Flair Airlines
21 May - 28 May	Flair Airlines
25 May - 21 Jun	Air Canada
02 May - 15 May	Flair Airlines
29 May - 12 Jun	Air Canada

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

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 May from 576€

Return flights