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

Return flights

25 Sep - 28 Sep	Thai Lion Air
18 Sep - 27 Sep	Thai Lion Air
25 Sep - 09 Oct	Thai Lion Air
07 Sep - 19 Sep	Air India
28 Sep - 17 Oct	AirAsia
21 Sep - 24 Sep	AirAsia
21 Sep - 26 Sep	AirAsia
21 Sep - 29 Sep	AirAsia
28 Sep - 14 Oct	AirAsia
28 Sep - 18 Oct	AirAsia
28 Sep - 19 Oct	AirAsia
28 Sep - 09 Oct	AirAsia
05 Sep - 22 Sep	AirAsia
05 Sep - 19 Sep	AirAsia
05 Sep - 24 Sep	AirAsia
05 Sep - 10 Sep	AirAsia
21 Sep - 09 Oct	AirAsia
28 Sep - 08 Oct	AirAsia
21 Sep - 08 Oct	AirAsia
25 Sep - 10 Oct	Singapore Airlines

Also check the deals for one-way flights from Bangalore 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 Bangalore to Seoul in September from 314€

Return flights