Cheapest one-way flights from Ontario to Seoul in October from $583

Best time to book flights for Ontario (ONT) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest one-way flights from Ontario (ONT) to Seoul (ICN) in October 2025 (see full year).

One-Way flights

13 Oct China Airlines
01 Oct China Airlines
21 Oct China Airlines
14 Oct China Airlines
19 Oct China Airlines
29 Oct China Airlines
22 Oct China Airlines
24 Oct China Airlines
27 Oct China Airlines
23 Oct China Airlines

Also check the deals for return flights from Ontario to Seoul in October.

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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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