Cheapest return flights from Ontario to Seoul in March from $992

Best time to book flights for Ontario (ONT) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Seoul (ICN) in March 2025 (see full year).

Return flights

18 Mar - 25 Mar China Airlines
11 Mar - 18 Mar China Airlines
24 Mar - 26 Mar China Airlines
06 Mar - 19 Mar China Airlines
06 Mar - 12 Mar China Airlines
18 Mar - 27 Mar China Airlines
06 Mar - 11 Mar China Airlines
10 Mar - 17 Mar China Airlines
05 Mar - 12 Mar China Airlines
04 Mar - 18 Mar China Airlines
24 Mar - 21 Apr China Airlines
24 Mar - 22 Apr China Airlines
31 Mar - 22 Apr China Airlines
18 Mar - 01 Apr China Airlines
25 Mar - 15 Apr China Airlines
31 Mar - 29 Apr China Airlines
05 Mar - 09 Apr China Airlines
31 Mar - 14 Apr China Airlines
31 Mar - 13 Apr China Airlines
12 Mar - 01 Apr China Airlines

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

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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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