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

Return flights

08 Jul - 15 Jul	KLM
05 Jul - 12 Jul	SunExpress
09 Jul - 16 Jul	KLM
28 Jul - 04 Aug	Ryanair
26 Jul - 31 Jul	Ryanair
08 Jul - 28 Aug	KLM
29 Jul - 05 Aug	Aer Lingus
29 Jul - 04 Aug	KLM
30 Jul - 30 Aug	Air France

Also check the deals for one-way flights from Newcastle to Seoul in July.

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 July from $1040

Return flights