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

Return flights

13 May - 26 May	WestJet
09 May - 24 May	Flair Airlines
02 May - 31 May	WestJet
02 May - 17 May	WestJet
07 May - 28 May	WestJet
03 May - 21 May	WestJet
22 May - 28 May	WestJet
03 May - 28 May	WestJet
17 May - 31 May	Flair Airlines
27 May - 08 Jun	WestJet
02 May - 18 May	Flair Airlines
30 May - 30 Jun	WestJet	direct
13 May - 03 Jun	Air Canada
14 May - 04 Jun	Air Canada
15 May - 01 Jun	Air Canada
23 May - 08 Jun	Air Canada
16 May - 06 Jun	Flair Airlines
23 May - 08 Jun	WestJet	direct
14 May - 04 Jun	WestJet	direct
03 May - 01 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 674€

Return flights