Cheapest one-way flights from Ontario to Seoul in August from $581

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 August 2025 (see full year).

One-Way flights

24 Aug Alaska Airlines
13 Aug China Airlines
12 Aug China Airlines
20 Aug China Airlines
18 Aug China Airlines
06 Aug China Airlines
05 Aug China Airlines
21 Aug China Airlines
19 Aug China Airlines
04 Aug China Airlines

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

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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