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

Return flights

08 Jul - 15 Aug	AirAsia
28 Jul - 16 Aug	AirAsia
28 Jul - 12 Aug	AirAsia
28 Jul - 07 Aug	AirAsia
28 Jul - 10 Aug	AirAsia
28 Jul - 14 Aug	AirAsia
28 Jul - 09 Aug	AirAsia
28 Jul - 17 Aug	AirAsia
28 Jul - 13 Aug	AirAsia
22 Jul - 12 Aug	AirAsia
28 Jul - 31 Jul	AirAsia
22 Jul - 25 Jul	AirAsia
08 Jul - 25 Jul	AirAsia
22 Jul - 29 Jul	AirAsia
22 Jul - 31 Jul	AirAsia
22 Jul - 26 Jul	AirAsia
22 Jul - 24 Jul	AirAsia
22 Jul - 27 Jul	AirAsia
08 Jul - 29 Jul	AirAsia
08 Jul - 26 Jul	AirAsia

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

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 July from 506€

Return flights