Cheapest one-way flights from Ontario to Seoul in June from $662

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 June 2025 (see full year).

One-Way flights

03 Jun Hawaiian Airlines
08 Jun Alaska Airlines
05 Jun Hawaiian Airlines
20 Jun Alaska Airlines
25 Jun China Airlines
23 Jun China Airlines
24 Jun China Airlines
26 Jun China Airlines
19 Jun China Airlines
30 Jun China Airlines

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

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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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