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

Return flights

08 Dec - 08 Jan	Qantas
14 Dec - 20 Dec	Qantas
07 Dec - 05 Jan	Malaysia Airlines
12 Dec - 08 Jan	Malaysia Airlines
11 Dec - 09 Jan	Malaysia Airlines
12 Dec - 09 Jan	Malaysia Airlines
01 Dec - 08 Jan	Qantas
15 Dec - 07 Jan	Qantas
16 Dec - 08 Jan	Malaysia Airlines
18 Dec - 08 Jan	Malaysia Airlines
13 Dec - 08 Jan	Malaysia Airlines

Also check the deals for one-way flights from Adelaide 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.

Book a cheap hotel in Colombo

Cheap car rent in Colombo

Cheapest return flights from Adelaide to Colombo in December from 1302€

Return flights