Cheapest one-way flights from Ontario to Seoul in June from $770

AirHint found the following cheapest one-way flights from Ontario (ONT) to Seoul (ICN) in June 2025 (see full year).

One-Way flights

26 Jun China Airlines
19 Jun China Airlines
28 Jun China Airlines
24 Jun China Airlines
20 Jun Frontier Airlines
30 Jun China Airlines
29 Jun China Airlines
23 Jun China Airlines
27 Jun China Airlines
15 Jun China Airlines

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

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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