Cheapest return flights from Ontario (ONT) to Seoul (ICN), April

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
21 Apr 28 Apr Qatar Airways
20 Apr 19 May Qatar Airways
13 Apr 04 May Qatar Airways
13 Apr 12 May Qatar Airways
02 Apr 23 Apr Qatar Airways
16 Apr 30 Apr China Airlines
19 Apr 26 Apr China Airlines
11 Apr 24 Apr China Airlines
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deals for one-way flights from Ontario to Seoul in April.

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Updated Jul 6, 2026.

About these fares

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