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

Return flights

29 Aug - 12 Sep	WestJet
22 Aug - 12 Sep	WestJet
30 Aug - 21 Sep	WestJet
25 Aug - 12 Sep	WestJet
23 Aug - 14 Sep	WestJet
22 Aug - 13 Sep	WestJet
22 Aug - 24 Aug	WestJet
18 Aug - 07 Sep	WestJet
24 Aug - 04 Sep	WestJet
28 Aug - 18 Sep	WestJet
21 Aug - 13 Sep	WestJet
04 Aug - 12 Aug	WestJet
22 Aug - 28 Aug	WestJet
03 Aug - 14 Aug	WestJet
04 Aug - 14 Aug	WestJet
07 Aug - 14 Aug	WestJet
17 Aug - 23 Aug	WestJet
08 Aug - 23 Aug	WestJet
07 Aug - 22 Aug	WestJet
21 Aug - 28 Aug	WestJet

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

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.

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Cheapest return flights from Hamilton to Seoul in August from $782

Return flights