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

Return flights

10 Sep - 18 Sep	IndiGo
07 Sep - 20 Sep	IndiGo
16 Sep - 30 Sep	IndiGo
12 Sep - 17 Sep	IndiGo
08 Sep - 15 Sep	IndiGo
01 Sep - 07 Sep	IndiGo
16 Sep - 23 Sep	IndiGo
13 Sep - 20 Sep	IndiGo
13 Sep - 18 Sep	IndiGo
04 Sep - 09 Sep	IndiGo
29 Sep - 05 Oct	Air India
30 Sep - 05 Oct	Air India
29 Sep - 03 Oct	Air India
26 Sep - 05 Oct	Air India
05 Sep - 09 Oct	IndiGo
27 Sep - 03 Oct	IndiGo
30 Sep - 10 Oct	IndiGo
26 Sep - 04 Oct	IndiGo
30 Sep - 11 Oct	IndiGo
30 Sep - 04 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 230€

Return flights