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

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
01 Dec 08 Dec China Airlines
02 Dec 08 Dec China Airlines
02 Dec 13 Dec China Airlines
03 Dec 13 Jan China Airlines
13 Dec 23 Dec Alaska Airlines
04 Dec 07 Dec China Airlines
09 Dec 23 Dec China Airlines
03 Dec 03 Jan China Airlines
26 Dec 16 Jan China Airlines
25 Dec 12 Jan China Airlines
13 Dec 29 Dec China Airlines
29 Dec 10 Jan China Airlines
15 Dec 18 Dec China Airlines
14 Dec 17 Dec China Airlines
14 Dec 18 Dec China Airlines
07 Dec 03 Jan China Airlines
26 Dec 08 Jan China Airlines
09 Dec 07 Jan China Airlines
26 Dec 09 Jan China Airlines
29 Dec 09 Jan China Airlines
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deals for one-way flights from Ontario to Seoul in December.

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Updated Jul 8, 2026.

About these fares

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