AirHint found the following cheapest return flights from Christchurch (CHC) to Seoul (ICN) in October 2025 (see full year).

Return flights

21 Oct - 28 Oct	Jetstar
23 Oct - 30 Oct	Qantas
17 Oct - 28 Oct	Jetstar
16 Oct - 20 Oct	Air New Zealand
16 Oct - 19 Oct	Air New Zealand
08 Oct - 28 Oct	Jetstar
01 Oct - 08 Oct	Air New Zealand
15 Oct - 20 Oct	Air New Zealand
01 Oct - 31 Oct	Qantas
17 Oct - 20 Oct	Air New Zealand
17 Oct - 10 Nov	Air New Zealand
17 Oct - 09 Nov	Singapore Airlines

Also check the deals for one-way flights from Christchurch to Seoul in October.

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 Christchurch to Seoul in October from 813€

Return flights