AirHint found the following cheapest return flights from Dublin (DUB) to Colombo (CMB) in October 2025 (see full year).

Return flights

04 Oct - 11 Oct	Aer Lingus
06 Oct - 20 Oct	Aer Lingus
02 Oct - 12 Oct	Aer Lingus
18 Oct - 24 Oct	Ryanair
15 Oct - 22 Oct	Aer Lingus
22 Oct - 05 Nov	Etihad Airways
31 Oct - 15 Nov	Aer Lingus
01 Oct - 11 Oct	Etihad Airways
23 Oct - 16 Nov	Pegasus Airlines
17 Oct - 24 Oct	Pegasus Airlines
23 Oct - 18 Nov	Qatar Airways
25 Oct - 09 Nov	Ryanair

Also check the deals for one-way flights from Dublin to Colombo 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 Dublin to Colombo in October from $607

Return flights