Cheapest return flights from Ontario to Seoul in October from $862

AirHint found the following cheapest return flights from Ontario (ONT) to Seoul (ICN) in October 2026 (see full year).

Return flights

12 Oct - 21 Oct China Airlines
13 Oct - 20 Oct China Airlines
13 Oct - 23 Oct China Airlines
01 Oct - 06 Oct China Airlines
12 Oct - 22 Nov China Airlines
13 Oct - 22 Nov China Airlines
14 Oct - 22 Nov China Airlines
16 Oct - 01 Nov China Airlines
19 Oct - 03 Nov China Airlines
20 Oct - 03 Nov China Airlines
28 Oct - 10 Nov China Airlines
14 Oct - 30 Nov China Airlines
20 Oct - 29 Nov China Airlines
18 Oct - 15 Nov China Airlines
19 Oct - 30 Oct China Airlines
07 Oct - 21 Oct China Airlines
07 Oct - 20 Oct China Airlines
09 Oct - 16 Oct China Airlines
05 Oct - 18 Oct China Airlines
01 Oct - 10 Oct China Airlines

Also check the deals for one-way flights from Ontario to Seoul in October.

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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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