Cheapest one-way flights from Ontario to Seoul in December from $767

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

02 Dec China Airlines
04 Dec China Airlines
07 Dec China Airlines
05 Dec China Airlines
29 Dec China Airlines
23 Dec Korean Air
28 Dec Korean Air
27 Dec Korean Air
17 Dec China Airlines
16 Dec China Airlines

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

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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