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

Return flights

26 May - 02 Jun	Air France
28 May - 04 Jun	Air France
30 May - 06 Jun	Air France
27 May - 03 Jun	Air France
05 May - 12 May	Turkish Airlines
06 May - 13 May	KLM
14 May - 21 May	KLM
01 May - 08 May	KLM
04 May - 11 May	Air France
18 May - 25 May	Air France
20 May - 27 May	Air France
19 May - 26 May	Air France
21 May - 28 May	Air France
25 May - 01 Jun	Air France
31 May - 07 Jun	Air France
09 May - 16 May	KLM
29 May - 05 Jun	KLM

Also check the deals for one-way flights from Montreal 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 Montreal to Seoul in May from 1022€

Return flights