Cheapest return flights from Ontario to Seoul in March from $855

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

Return flights

22 Mar - 15 Apr China Airlines
23 Mar - 15 Apr China Airlines
30 Mar - 15 Apr China Airlines
15 Mar - 15 Apr China Airlines
23 Mar - 23 Apr China Airlines
24 Mar - 15 Apr China Airlines
08 Mar - 29 Apr China Airlines
02 Mar - 17 Mar China Airlines
17 Mar - 23 Apr China Airlines
16 Mar - 24 Mar China Airlines
02 Mar - 24 Mar China Airlines
03 Mar - 09 Mar China Airlines
04 Mar - 17 Mar China Airlines
15 Mar - 19 Mar China Airlines
31 Mar - 15 Apr China Airlines
04 Mar - 21 Apr China Airlines
08 Mar - 19 Mar China Airlines
03 Mar - 18 Mar China Airlines
05 Mar - 11 Mar China Airlines
02 Mar - 07 Mar China Airlines

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

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.