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

Return flights

30 Sep - 05 Oct	AirAsia
16 Sep - 20 Sep	AirAsia
10 Sep - 17 Sep	AirAsia
24 Sep - 25 Sep	AirAsia
24 Sep - 29 Sep	AirAsia
24 Sep - 01 Oct	AirAsia
24 Sep - 06 Oct	AirAsia
24 Sep - 15 Oct	AirAsia
24 Sep - 12 Oct	AirAsia
14 Sep - 25 Sep	AirAsia
25 Sep - 29 Sep	Philippines AirAsia Inc.
29 Sep - 10 Oct	AirAsia
25 Sep - 01 Oct	Philippines AirAsia Inc.
24 Sep - 04 Oct	AirAsia
24 Sep - 08 Oct	AirAsia
14 Sep - 22 Sep	AirAsia
14 Sep - 29 Sep	AirAsia
25 Sep - 06 Oct	Philippines AirAsia Inc.
24 Sep - 30 Sep	AirAsia
14 Sep - 24 Sep	AirAsia

Also check the deals for one-way flights from Manila 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 Manila to Colombo in September from 255€

Return flights