Cheapest one-way flights from Cairns to Seoul in September from $729

Best time to book flights for Cairns (CNS) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest one-way flights from Cairns (CNS) to Seoul (ICN) in September 2025 (see full year).

One-Way flights

28 Sep Singapore Airlines

Also check the deals for return flights from Cairns to Seoul in September.

Skyscanner

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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