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

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

Return flights

20 Aug - 27 Aug China Airlines
21 Aug - 12 Sep China Airlines
15 Aug - 10 Sep China Airlines
23 Aug - 06 Sep China Airlines
26 Aug - 18 Sep China Airlines
25 Aug - 02 Sep China Airlines
16 Aug - 24 Aug China Airlines
16 Aug - 30 Aug China Airlines
02 Aug - 13 Aug China Airlines
01 Aug - 16 Aug China Airlines
02 Aug - 16 Aug China Airlines
10 Aug - 19 Aug China Airlines
06 Aug - 20 Aug China Airlines
02 Aug - 09 Aug China Airlines
03 Aug - 07 Aug China Airlines

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

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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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