Cheapest return flights from Ontario to Seoul in April from $737

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 April 2025 (see full year).

Return flights

25 Apr - 25 May Frontier Airlines
27 Apr - 25 May Frontier Airlines
23 Apr - 07 May China Airlines
23 Apr - 22 May China Airlines
23 Apr - 15 May China Airlines
28 Apr - 12 May China Airlines
20 Apr - 15 May Frontier Airlines
21 Apr - 07 May China Airlines
22 Apr - 06 May China Airlines
28 Apr - 06 May China Airlines
09 Apr - 16 Apr China Airlines
07 Apr - 15 Apr China Airlines
07 Apr - 16 Apr China Airlines
08 Apr - 15 Apr China Airlines
09 Apr - 15 Apr China Airlines
07 Apr - 10 Apr Frontier Airlines
06 Apr - 09 Apr Frontier Airlines
09 Apr - 17 Apr China Airlines
14 Apr - 17 Apr China Airlines
21 Apr - 28 Apr China Airlines

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

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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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