AirHint found the following cheapest return flights from Hamilton (YHM) to Seoul (ICN) in September 2025 (see full year).

Return flights

06 Sep - 18 Sep	WestJet
11 Sep - 15 Sep	WestJet
29 Sep - 09 Oct	WestJet
26 Sep - 11 Oct	WestJet
03 Sep - 18 Sep	WestJet
10 Sep - 21 Sep	WestJet
27 Sep - 11 Oct	WestJet
17 Sep - 22 Sep	WestJet
01 Sep - 15 Sep	WestJet
01 Sep - 14 Sep	WestJet
14 Sep - 25 Sep	WestJet
24 Sep - 06 Oct	WestJet
05 Sep - 12 Sep	WestJet
29 Sep - 06 Oct	WestJet
01 Sep - 20 Sep	WestJet
25 Sep - 25 Oct	WestJet
17 Sep - 16 Oct	WestJet
29 Sep - 04 Oct	WestJet
26 Sep - 03 Oct	WestJet
15 Sep - 02 Oct	WestJet

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

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

Cheapest return flights from Hamilton to Seoul in September from 674€

Return flights