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

Return flights

01 Dec - 08 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
06 Dec - 21 Dec	Ryanair
13 Dec - 23 Dec	easyJet
11 Dec - 07 Jan	Ryanair
12 Dec - 02 Jan	easyJet
11 Dec - 08 Jan	Ryanair
25 Dec - 02 Jan	TAP
27 Dec - 04 Jan	easyJet
26 Dec - 09 Jan	Ryanair
25 Dec - 05 Jan	Aegean Airlines
26 Dec - 06 Jan	Ryanair
04 Dec - 31 Dec	Etihad Airways
21 Dec - 03 Jan	Pegasus Airlines
25 Dec - 03 Jan	Aegean Airlines
06 Dec - 31 Dec	easyJet
22 Dec - 28 Dec	easyJet

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 530€

Return flights