Cheapest one-way flights from Ontario to Seoul in October from $630

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

16 Oct China Airlines
15 Oct China Airlines
30 Oct China Airlines
22 Oct China Airlines
26 Oct China Airlines
31 Oct China Airlines
24 Oct China Airlines
17 Oct China Airlines
18 Oct China Airlines
06 Oct China Airlines

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

Skyscanner

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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