Cheapest one-way flights from Ontario (ONT) to Seoul (ICN), December

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
03 Dec China Airlines
02 Dec China Airlines
01 Dec China Airlines
10 Dec China Airlines
31 Dec China Airlines
07 Dec China Airlines
25 Dec China Airlines
27 Dec China Airlines
12 Dec China Airlines
22 Dec China Airlines
Powered by

deals for return flights from Ontario to Seoul in December.

Book a cheap hotel in Seoul

Cheap car rent in Incheon Intl

Updated Jul 23, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.