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

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

Return flights

16 Mar - 24 Mar China Airlines
11 Mar - 21 Mar China Airlines
16 Mar - 21 Mar China Airlines
09 Mar - 19 Mar China Airlines
04 Mar - 18 Mar China Airlines
09 Mar - 20 Mar China Airlines
02 Mar - 19 Mar China Airlines
04 Mar - 15 Mar China Airlines
06 Mar - 15 Mar China Airlines
12 Mar - 19 Mar China Airlines
29 Mar - 23 Apr China Airlines
09 Mar - 30 Apr China Airlines
09 Mar - 02 Apr China Airlines
16 Mar - 16 Apr China Airlines
25 Mar - 08 Apr China Airlines
23 Mar - 23 Apr China Airlines
19 Mar - 21 Apr China Airlines
19 Mar - 02 Apr China Airlines
04 Mar - 21 Apr China Airlines
19 Mar - 25 Apr China Airlines

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

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