Cheapest one-way flights from Ontario to Seoul in April from $514

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

One-Way flights

07 Apr China Airlines
15 Apr China Airlines
06 Apr China Airlines
18 Apr China Airlines
05 Apr China Airlines
30 Apr China Airlines
03 Apr China Airlines
26 Apr China Airlines
24 Apr China Airlines
29 Apr China Airlines

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

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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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