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

Return flights

28 Aug - 11 Sep	KLM
29 Aug - 07 Sep	KLM
28 Aug - 07 Sep	KLM
20 Aug - 19 Sep	KLM
25 Aug - 07 Sep	Air France
24 Aug - 07 Sep	KLM
22 Aug - 15 Sep	SWISS
25 Aug - 04 Sep	easyJet
25 Aug - 12 Sep	Finnair
29 Aug - 17 Sep	KLM
20 Aug - 25 Aug	easyJet
24 Aug - 29 Aug	Ryanair
07 Aug - 28 Aug	Ryanair
24 Aug - 31 Aug	KLM
20 Aug - 27 Aug	KLM
08 Aug - 21 Aug	Ryanair
12 Aug - 14 Aug	Etihad Airways
13 Aug - 17 Aug	easyJet
05 Aug - 19 Aug	Ryanair
07 Aug - 14 Aug	Ryanair

Also check the deals for one-way flights from Manchester 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 Manchester to Seoul in August from $825

Return flights