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

Return flights

17 Aug - 13 Sep	KLM
20 Aug - 31 Aug	KLM
01 Aug - 05 Aug	British Airways
12 Aug - 26 Aug	KLM
01 Aug - 04 Aug	KLM
16 Aug - 13 Sep	Etihad Airways
02 Aug - 04 Aug	Ryanair
01 Aug - 16 Aug	British Airways
09 Aug - 16 Aug	Emirates
09 Aug - 23 Aug	Emirates
09 Aug - 10 Aug	Emirates
02 Aug - 10 Aug	Emirates

Also check the deals for one-way flights from Newcastle 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 Newcastle to Seoul in August from 1018€

Return flights