Cheapest one-way flights from Ontario to Seoul in June from $790

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

10 Jun Alaska Airlines
27 Jun Alaska Airlines
09 Jun Alaska Airlines
29 Jun China Airlines
30 Jun China Airlines
02 Jun WestJet
04 Jun China Airlines
28 Jun China Airlines
18 Jun China Airlines
26 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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