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

Return flights

28 Aug - 14 Sep	Etihad Airways
20 Aug - 07 Sep	Fly One
28 Aug - 11 Sep	Etihad Airways
29 Aug - 10 Sep	SkyUp Malta
12 Aug - 10 Sep	Etihad Airways
21 Aug - 10 Sep	Etihad Airways
13 Aug - 29 Aug	Fly One
15 Aug - 29 Aug	SkyUp Malta
24 Aug - 07 Sep	Ryanair
24 Aug - 01 Sep	TAP
13 Aug - 30 Aug	Fly One
02 Aug - 12 Aug	Fly One
06 Aug - 15 Aug	Ryanair
16 Aug - 27 Aug	Fly One
06 Aug - 20 Aug	Ryanair
15 Aug - 30 Aug	SkyUp Malta
12 Aug - 29 Aug	Wizz Air
14 Aug - 30 Aug	Etihad Airways

Also check the deals for one-way flights from Lisbon 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 Lisbon to Colombo in August from 712€

Return flights