Cheapest return flights from Ontario to Seoul in May from 883€

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

Return flights

09 May - 17 May China Airlines
01 May - 10 May China Airlines
02 May - 09 May China Airlines
13 May - 20 May China Airlines
05 May - 12 May China Airlines
24 May - 03 Jun Alaska Airlines
25 May - 03 Jun Alaska Airlines
16 May - 29 May China Airlines
15 May - 22 May China Airlines
18 May - 28 May China Airlines
20 May - 24 Jun China Airlines
20 May - 27 May China Airlines
15 May - 29 May China Airlines
13 May - 12 Jun China Airlines
27 May - 10 Jun China Airlines
31 May - 05 Jun China Airlines

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

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