AirHint found the following cheapest return flights from Porto (OPO) to Colombo (CMB) in August 2025 (see full year).

Return flights

26 Aug - 09 Sep	Ryanair
25 Aug - 05 Sep	Wizz Air
03 Aug - 10 Aug	Ryanair
03 Aug - 14 Aug	Ryanair
19 Aug - 30 Aug	Ryanair
04 Aug - 14 Aug	Wizz Air
02 Aug - 14 Aug	Royal Air Maroc
01 Aug - 25 Aug	Ryanair
14 Aug - 21 Aug	Ryanair
06 Aug - 24 Aug	Transavia France
03 Aug - 16 Aug	Ryanair
05 Aug - 23 Aug	Ryanair

Also check the deals for one-way flights from Porto to Colombo in August.

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 Porto to Colombo in August from 798€

Return flights