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

Return flights

12 Dec - 23 Dec	Pegasus Airlines
01 Dec - 14 Dec	Pegasus Airlines
01 Dec - 31 Jan	Pegasus Airlines
01 Dec - 12 Dec	Turkish Airlines
12 Dec - 09 Jan	Pegasus Airlines
16 Dec - 07 Jan	Pegasus Airlines
30 Dec - 05 Jan	Pegasus Airlines
17 Dec - 07 Jan	airBaltic
27 Dec - 11 Jan	Pegasus Airlines
18 Dec - 03 Jan	Norwegian Air Sweden AOC
20 Dec - 10 Jan	airBaltic
20 Dec - 05 Jan	airBaltic
23 Dec - 30 Dec	Pegasus Airlines
30 Dec - 15 Jan	Lufthansa
01 Dec - 31 Dec	Qatar Airways
18 Dec - 25 Dec	IndiGo

Also check the deals for one-way flights from Helsinki 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 Helsinki to Colombo in December from $612

Return flights