AirHint found the following cheapest return flights from Dhaka (DAC) to Colombo (CMB) in September 2025 (see full year).

Return flights

17 Sep - 20 Sep	IndiGo
17 Sep - 23 Sep	IndiGo
22 Sep - 29 Sep	IndiGo
24 Sep - 29 Sep	IndiGo
29 Sep - 06 Oct	IndiGo
17 Sep - 21 Sep	IndiGo
26 Sep - 01 Oct	IndiGo
06 Sep - 13 Sep	IndiGo
04 Sep - 08 Sep	IndiGo
05 Sep - 06 Sep	IndiGo
20 Sep - 27 Sep	IndiGo
06 Sep - 09 Sep	IndiGo
30 Sep - 07 Oct	IndiGo
27 Sep - 31 Oct	Air India
25 Sep - 01 Oct	Air India
27 Sep - 01 Oct	Air India
16 Sep - 13 Oct	Air India
05 Sep - 03 Oct	IndiGo
11 Sep - 09 Oct	Air India
11 Sep - 10 Oct	Air India

Also check the deals for one-way flights from Dhaka to Colombo 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 Dhaka to Colombo in September from 234€

Return flights