AirHint found the following cheapest return flights from Toronto (YYZ) to Seoul (ICN) in January 2026 (see full year).

Return flights

15 Jan - 18 Jan	Air France
08 Jan - 13 Jan	Air France
14 Jan - 28 Jan	Air France
15 Jan - 26 Jan	Air France
16 Jan - 26 Jan	Air France
17 Jan - 26 Jan	Air France
18 Jan - 26 Jan	Air France
06 Jan - 26 Feb	KLM
05 Jan - 12 Feb	Delta
05 Jan - 06 Feb	Turkish Airlines
05 Jan - 12 Feb	Korean Air	direct
05 Jan - 06 Feb	Korean Air	direct

Also check the deals for one-way flights from Toronto to Seoul in January.

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 Toronto to Seoul in January from 1037€

Return flights