Cheapest one-way flights from Ontario to Seoul in April from $595

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

One-Way flights

30 Apr China Airlines
10 Apr China Airlines
15 Apr China Airlines
13 Apr China Airlines
12 Apr China Airlines
03 Apr Alaska Airlines
01 Apr Alaska Airlines
08 Apr China Airlines
16 Apr China Airlines
23 Apr China Airlines

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

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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