Cheapest return flights from Ontario to Seoul in May from $920

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 May 2025 (see full year).

Return flights

11 May - 18 May Frontier Airlines
18 May - 25 May Frontier Airlines
16 May - 31 May Frontier Airlines
17 May - 09 Jun Frontier Airlines
17 May - 08 Jun Frontier Airlines
17 May - 07 Jun Frontier Airlines
15 May - 24 May China Airlines
12 May - 25 May China Airlines
07 May - 15 May China Airlines
01 May - 22 May China Airlines
08 May - 15 May China Airlines
08 May - 14 May China Airlines
01 May - 13 May China Airlines
08 May - 04 Jun China Airlines
01 May - 18 Jun China Airlines
07 May - 25 Jun China Airlines
15 May - 08 Jun China Airlines
13 May - 11 Jun China Airlines
12 May - 01 Jun China Airlines
13 May - 12 Jun China Airlines

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

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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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