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

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
30 Oct	Frontier Airlines
15 Oct	China Airlines
31 Oct	China Airlines
02 Oct	China Airlines
13 Oct	China Airlines
18 Oct	China Airlines
25 Oct	China Airlines
29 Oct	China Airlines
20 Oct	China Airlines
05 Oct	China Airlines

deals for return flights from Ontario to Seoul in October.

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Updated Jul 23, 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), October

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