Cheapest return flights from Ontario to Seoul in September from 827€

AirHint found the following cheapest return flights from Ontario (ONT) to Seoul (ICN) in September 2026 (see full year).

Return flights

01 Sep - 12 Sep China Airlines
01 Sep - 06 Sep China Airlines
10 Sep - 16 Sep China Airlines
02 Sep - 16 Sep China Airlines
02 Sep - 12 Sep China Airlines
02 Sep - 09 Sep China Airlines
04 Sep - 12 Sep China Airlines
03 Sep - 16 Sep China Airlines
07 Sep - 15 Sep China Airlines
09 Sep - 16 Sep China Airlines
28 Sep - 14 Oct China Airlines
16 Sep - 07 Oct China Airlines
29 Sep - 29 Oct China Airlines
20 Sep - 05 Oct China Airlines
30 Sep - 13 Oct China Airlines
10 Sep - 15 Oct China Airlines
16 Sep - 19 Oct China Airlines
16 Sep - 08 Oct China Airlines
22 Sep - 20 Oct China Airlines
30 Sep - 12 Oct China Airlines

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

Powered by

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

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