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

Return flights

15 Jan - 27 Feb	AirAsia X
07 Jan - 21 Feb	VietJet Air
20 Jan - 21 Feb	Singapore Airlines
08 Jan - 21 Feb	China Southern
25 Jan - 20 Feb	Air India
20 Jan - 20 Feb	Air India
19 Jan - 10 Feb	Cathay Pacific
07 Jan - 28 Jan	VietJet Air
10 Jan - 21 Jan	VietJet Air
14 Jan - 22 Jan	AirAsia X
21 Jan - 22 Jan	AirAsia X
20 Jan - 22 Jan	AirAsia X
16 Jan - 22 Jan	AirAsia X
20 Jan - 08 Feb	Cathay Pacific
14 Jan - 15 Jan	AirAsia X
12 Jan - 18 Jan	Scoot
14 Jan - 19 Jan	AirAsia X
16 Jan - 19 Jan	AirAsia X
25 Jan - 01 Feb	AirAsia X
14 Jan - 01 Feb	AirAsia X

Also check the deals for one-way flights from Sydney 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 Sydney to Colombo in January from 498€

Return flights