AirHint found the following cheapest return flights from Seoul (ICN) to Dhaka (DAC) in October 2025 (see full year).

Return flights

08 Oct - 25 Nov	SriLankan Airlines
20 Oct - 23 Oct	China Southern
14 Oct - 21 Oct	China Southern
15 Oct - 18 Oct	China Southern
04 Oct - 15 Nov	China Southern
05 Oct - 20 Nov	Air China
07 Oct - 22 Nov	Air China
15 Oct - 23 Oct	AirAsia X
13 Oct - 23 Oct	AirAsia X
20 Oct - 09 Nov	AirAsia X
04 Oct - 11 Oct	China Southern
15 Oct - 19 Oct	AirAsia X
19 Oct - 23 Oct	AirAsia X
15 Oct - 31 Oct	AirAsia X
13 Oct - 19 Oct	AirAsia X
03 Oct - 18 Nov	Air China

Also check the deals for one-way flights from Seoul to Dhaka in October.

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 Seoul to Dhaka in October from $397

Return flights