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

Return flights

02 Sep - 09 Sep	Thai Lion Air
18 Sep - 29 Sep	Thai Lion Air
28 Sep - 19 Oct	AirAsia
29 Sep - 19 Oct	AirAsia
30 Sep - 10 Oct	IndiGo
28 Sep - 16 Oct	AirAsia
28 Sep - 10 Oct	AirAsia
29 Sep - 16 Oct	AirAsia
29 Sep - 10 Oct	AirAsia
22 Sep - 10 Oct	AirAsia
22 Sep - 29 Sep	AirAsia
28 Sep - 15 Oct	AirAsia
14 Sep - 29 Sep	AirAsia
15 Sep - 29 Sep	AirAsia
29 Sep - 15 Oct	AirAsia
07 Sep - 10 Sep	AirAsia
17 Sep - 29 Sep	AirAsia
22 Sep - 26 Sep	AirAsia
14 Sep - 26 Sep	AirAsia
15 Sep - 26 Sep	AirAsia

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 $389

Return flights