Cheapest one-way flights from Ontario to Seoul in December from $773

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 December 2025 (see full year).

One-Way flights

28 Dec China Airlines
05 Dec China Airlines
30 Dec China Airlines
24 Dec Korean Air
31 Dec China Airlines
29 Dec China Airlines
09 Dec China Airlines
27 Dec China Airlines
12 Dec China Airlines
23 Dec China Airlines

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

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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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