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

Return flights

03 May - 15 May	WestJet	direct
13 May - 24 May	WestJet	direct
16 May - 23 May	WestJet	direct
13 May - 30 May	WestJet	direct
22 May - 05 Jun	WestJet	direct
12 May - 26 May	WestJet
12 May - 02 Jun	WestJet
13 May - 27 May	WestJet
04 May - 11 May	Air Canada
06 May - 13 May	Air Canada
25 May - 15 Jun	Air Canada
20 May - 10 Jun	Air Canada
20 May - 15 Jun	Air Canada
31 May - 15 Jun	WestJet	direct
19 May - 09 Jun	Flair Airlines
21 May - 10 Jun	Air Canada
12 May - 22 May	WestJet
06 May - 28 May	WestJet
25 May - 15 Jun	WestJet	direct
20 May - 15 Jun	WestJet	direct

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 488€

Return flights