Cheapest one-way flights from Ontario to Seoul in June from $808

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

One-Way flights

28 Jun China Airlines
01 Jun China Airlines
22 Jun China Airlines
02 Jun China Airlines
23 Jun China Airlines
30 Jun China Airlines
19 Jun China Airlines
09 Jun China Airlines
06 Jun China Airlines
05 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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