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

Return flights

01 Sep - 07 Sep	Singapore Airlines
01 Sep - 10 Sep	Singapore Airlines
14 Sep - 19 Sep	Singapore Airlines
30 Sep - 08 Oct	Singapore Airlines
09 Sep - 16 Sep	AirAsia
07 Sep - 13 Sep	Singapore Airlines
05 Sep - 14 Sep	Cathay Pacific
13 Sep - 20 Sep	Cathay Pacific
29 Sep - 06 Oct	Singapore Airlines
25 Sep - 30 Sep	Air India
28 Sep - 05 Oct	Singapore Airlines
20 Sep - 30 Sep	Thai Airways

Also check the deals for one-way flights from Hyderabad 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 Hyderabad to Seoul in September from $431

Return flights