AirHint found the following cheapest return flights from Colombo (CMB) to Sydney (SYD) in June 2025 (see full year).

Return flights

24 Jun - 15 Jul	IndiGo
27 Jun - 15 Jul	AirAsia
27 Jun - 16 Jul	AirAsia
27 Jun - 17 Jul	AirAsia
27 Jun - 12 Jul	AirAsia
27 Jun - 18 Jul	AirAsia
27 Jun - 11 Jul	AirAsia
20 Jun - 11 Jul	AirAsia
27 Jun - 10 Jul	AirAsia
20 Jun - 10 Jul	AirAsia
20 Jun - 26 Jun	AirAsia
21 Jun - 28 Jun	AirAsia
23 Jun - 26 Jun	AirAsia
18 Jun - 26 Jun	AirAsia
20 Jun - 28 Jun	AirAsia
27 Jun - 29 Jun	AirAsia
20 Jun - 29 Jun	AirAsia
20 Jun - 25 Jun	AirAsia
25 Jun - 28 Jun	AirAsia
23 Jun - 28 Jun	AirAsia

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

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 June from $608

Return flights