AirHint found the following cheapest return flights from Ontario (ONT) to Seoul (ICN) in February 2026 (see full year).

Return flights

23 Feb - 09 Mar	China Airlines
12 Feb - 03 Mar	China Airlines
15 Feb - 08 Mar	China Airlines
27 Feb - 08 Mar	China Airlines
01 Feb - 11 Feb	China Airlines
01 Feb - 13 Feb	China Airlines
02 Feb - 09 Feb	China Airlines
03 Feb - 11 Feb	China Airlines
14 Feb - 28 Feb	China Airlines
19 Feb - 08 Mar	China Airlines
19 Feb - 07 Mar	China Airlines
07 Feb - 15 Feb	China Airlines
07 Feb - 14 Feb	China Airlines
07 Feb - 21 Feb	China Airlines
20 Feb - 02 Mar	China Airlines
07 Feb - 22 Feb	China Airlines
01 Feb - 22 Feb	Qatar Airways

Also check the deals for one-way flights from Ontario to Seoul in February.

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 Ontario to Seoul in February from $919

Return flights