AirHint found the following cheapest return flights from Edinburgh (EDI) to Seoul (GMP) in September 2025 (see full year).

Return flights

03 Sep - 10 Sep	easyJet
15 Sep - 23 Sep	easyJet
18 Sep - 29 Sep	easyJet
24 Sep - 30 Sep	China Southern
09 Sep - 18 Sep	easyJet
15 Sep - 21 Sep	easyJet
25 Sep - 29 Sep	China Southern
07 Sep - 14 Sep	SWISS
05 Sep - 17 Sep	easyJet
01 Sep - 13 Sep	China Southern
22 Sep - 28 Oct	China Eastern
23 Sep - 28 Oct	China Eastern
20 Sep - 02 Oct	Ryanair
22 Sep - 06 Oct	Lufthansa
30 Sep - 07 Oct	Japan Airlines

Also check the deals for one-way flights from Edinburgh 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 Edinburgh to Seoul in September from 498€

Return flights