Cheapest one-way flights from Ontario to Seoul in May from $419

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 May 2025 (see full year).

One-Way flights

12 May Hawaiian Airlines
07 May China Airlines
16 May Hawaiian Airlines
09 May China Airlines
05 May China Airlines
24 May Hawaiian Airlines
04 May China Airlines
14 May Korean Air
22 May Hawaiian Airlines
18 May Hawaiian Airlines

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

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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