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

Return flights

21 Apr - 29 Apr	AirAsia X
22 Apr - 29 Apr	AirAsia X
11 Apr - 24 Apr	AirAsia X
19 Apr - 15 May	AirAsia X
14 Apr - 27 Apr	AirAsia X
11 Apr - 01 May	AirAsia X
28 Apr - 12 May	Malaysia Airlines
07 Apr - 04 May	AirAsia X
07 Apr - 24 Apr	AirAsia X
11 Apr - 26 Apr	AirAsia X
24 Apr - 02 May	Malaysia Airlines
17 Apr - 13 May	AirAsia X
10 Apr - 04 May	AirAsia X
17 Apr - 12 May	Singapore Airlines
08 Apr - 16 Apr	AirAsia X
14 Apr - 28 Apr	Cathay Pacific
16 Apr - 22 Apr	Cathay Pacific
07 Apr - 06 May	Scoot
18 Apr - 28 Apr	Cathay Pacific
08 Apr - 07 May	Singapore Airlines

Also check the deals for one-way flights from Sydney to Colombo in April.

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 Sydney to Colombo in April from $454

Return flights