Cheapest one-way flights from Ontario to Seoul in September from $494

AirHint found the following cheapest one-way flights from Ontario (ONT) to Seoul (ICN) in September 2026 (see full year).

One-Way flights

29 Sep China Airlines
11 Sep China Airlines
13 Sep China Airlines
18 Sep China Airlines
30 Sep China Airlines
02 Sep China Airlines
12 Sep China Airlines
06 Sep China Airlines
23 Sep China Airlines
24 Sep China Airlines

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

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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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