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

Return flights

22 Apr - 05 May	AirAsia
22 Apr - 28 Apr	AirAsia
22 Apr - 12 May	AirAsia
22 Apr - 26 Apr	AirAsia
22 Apr - 03 May	AirAsia
24 Apr - 05 May	AirAsia
24 Apr - 28 Apr	AirAsia
24 Apr - 12 May	AirAsia
24 Apr - 26 Apr	AirAsia
24 Apr - 03 May	AirAsia
22 Apr - 08 May	AirAsia
10 Apr - 28 Apr	AirAsia
24 Apr - 08 May	AirAsia
10 Apr - 26 Apr	AirAsia
01 Apr - 14 Apr	AirAsia
01 Apr - 15 Apr	AirAsia
22 Apr - 01 May	AirAsia
24 Apr - 01 May	AirAsia
15 Apr - 28 Apr	AirAsia
15 Apr - 26 Apr	AirAsia

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

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Cheapest return flights from Colombo to Sydney in April from 499€

Return flights