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

Return flights

01 Dec - 14 Dec	Pegasus Airlines
08 Dec - 20 Dec	Pegasus Airlines
06 Dec - 30 Dec	Pegasus Airlines
05 Dec - 29 Dec	easyJet
06 Dec - 29 Dec	Pegasus Airlines
12 Dec - 21 Dec	easyJet
06 Dec - 31 Dec	Pegasus Airlines
07 Dec - 31 Dec	Pegasus Airlines
12 Dec - 23 Dec	flydubai
19 Dec - 11 Jan	AJet
20 Dec - 03 Jan	easyJet

Also check the deals for one-way flights from Basel 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 Basel to Colombo in December from 531€

Return flights