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Cheapest one-way flights from Ontario (ONT) to Seoul (ICN), August

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
21 Aug	Frontier Airlines
25 Aug	China Airlines
29 Aug	China Airlines
05 Aug	China Airlines
08 Aug	China Airlines
23 Aug	China Airlines
09 Aug	China Airlines
06 Aug	China Airlines
28 Aug	China Airlines
26 Aug	China Airlines

deals for return flights from Ontario to Seoul in August.

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Updated Jul 21, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Ontario (ONT) to Seoul (ICN), August

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