AirHint found the following cheapest return flights from Adelaide (ADL) to Colombo (CMB) in January 2026 (see full year).

Return flights

22 Jan - 08 Feb	Indonesia AirAsia
26 Jan - 15 Feb	Singapore Airlines
17 Jan - 06 Feb	Singapore Airlines
15 Jan - 08 Feb	Singapore Airlines
15 Jan - 03 Feb	Singapore Airlines
15 Jan - 05 Feb	Singapore Airlines
15 Jan - 06 Feb	Singapore Airlines
16 Jan - 06 Feb	Singapore Airlines
15 Jan - 07 Feb	Singapore Airlines
08 Jan - 20 Feb	Singapore Airlines
19 Jan - 25 Jan	Singapore Airlines

Also check the deals for one-way flights from Adelaide to Colombo in January.

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 Adelaide to Colombo in January from 551€

Return flights