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

Return flights

04 Dec - 15 Dec	TAP
01 Dec - 08 Dec	Ryanair
06 Dec - 13 Dec	Ryanair
04 Dec - 17 Dec	Etihad Airways
01 Dec - 12 Dec	Qatar Airways
01 Dec - 15 Dec	Qatar Airways
06 Dec - 14 Dec	Qatar Airways
27 Dec - 04 Jan	easyJet
31 Dec - 11 Jan	Etihad Airways
26 Dec - 01 Jan	TAP
02 Dec - 14 Dec	Turkish Airlines
26 Dec - 16 Jan	Etihad Airways
25 Dec - 13 Jan	Qatar Airways
25 Dec - 08 Jan	Emirates
20 Dec - 03 Jan	Etihad Airways

Also check the deals for one-way flights from Lisbon to Colombo in December.

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 December from 559€

Return flights