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

Return flights

09 Sep - 17 Sep	Ryanair
10 Sep - 22 Sep	easyJet
01 Sep - 12 Sep	Ryanair
11 Sep - 18 Sep	Ryanair
01 Sep - 18 Sep	Ryanair
18 Sep - 24 Sep	China Southern
09 Sep - 23 Sep	China Southern
27 Sep - 13 Oct	Hainan Airlines
17 Sep - 24 Sep	easyJet
26 Sep - 18 Oct	Hainan Airlines
10 Sep - 19 Sep	easyJet
15 Sep - 29 Sep	Ryanair
12 Sep - 10 Oct	Hainan Airlines
27 Sep - 31 Oct	Ryanair
12 Sep - 06 Oct	Finnair
14 Sep - 05 Oct	Hainan Airlines
12 Sep - 07 Oct	Hainan Airlines
12 Sep - 01 Oct	KLM
26 Sep - 11 Oct	Finnair
12 Sep - 02 Oct	Juneyao Airlines

Also check the deals for one-way flights from Manchester to Seoul in September.

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 September from 574€

Return flights