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

Return flights

01 Sep - 10 Sep	VietJet Air
07 Sep - 24 Sep	AirAsia
05 Sep - 19 Sep	VietJet Air
14 Sep - 24 Sep	VietJet Air
28 Sep - 10 Oct	AirAsia
28 Sep - 11 Oct	AirAsia
28 Sep - 12 Oct	AirAsia
01 Sep - 14 Sep	Singapore Airlines
26 Sep - 10 Oct	AirAsia
26 Sep - 11 Oct	AirAsia
25 Sep - 07 Oct	Singapore Airlines
26 Sep - 12 Oct	AirAsia
07 Sep - 15 Sep	AirAsia
28 Sep - 17 Oct	AirAsia
07 Sep - 26 Sep	AirAsia
04 Sep - 10 Sep	IndiGo
14 Sep - 29 Sep	AirAsia
26 Sep - 29 Sep	AirAsia
28 Sep - 13 Oct	AirAsia
26 Sep - 17 Oct	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 $431

Return flights