Cheapest return flights from Ontario to Seoul in March from $879

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

Return flights

17 Mar - 26 Mar China Airlines
05 Mar - 19 Mar China Airlines
12 Mar - 19 Mar China Airlines
10 Mar - 17 Mar China Airlines
05 Mar - 12 Mar China Airlines
06 Mar - 25 Mar China Airlines
14 Mar - 28 Mar China Airlines
02 Mar - 11 Mar China Airlines
13 Mar - 25 Mar China Airlines
10 Mar - 26 Mar China Airlines
19 Mar - 18 Apr China Airlines
25 Mar - 08 Apr China Airlines
02 Mar - 12 Apr China Airlines
22 Mar - 13 Apr China Airlines
29 Mar - 26 Apr China Airlines
27 Mar - 08 Apr China Airlines
10 Mar - 01 Apr China Airlines
31 Mar - 16 Apr China Airlines
27 Mar - 09 Apr China Airlines
30 Mar - 13 Apr China Airlines

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

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