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

Return flights

25 Jul - 05 Aug	Scoot Tigerair
17 Jul - 31 Jul	Philippine Airlines
25 Jul - 07 Aug	AirAsia X
25 Jul - 14 Aug	AirAsia X
25 Jul - 12 Aug	AirAsia X
18 Jul - 07 Aug	AirAsia X
19 Jul - 07 Aug	AirAsia X
29 Jul - 07 Aug	AirAsia X
29 Jul - 15 Aug	AirAsia X
29 Jul - 14 Aug	AirAsia X
29 Jul - 12 Aug	AirAsia X
19 Jul - 28 Jul	Jetstar
15 Jul - 30 Jul	AirAsia X
16 Jul - 30 Jul	AirAsia X
25 Jul - 30 Jul	AirAsia X
18 Jul - 30 Jul	AirAsia X
19 Jul - 30 Jul	AirAsia X
29 Jul - 30 Jul	AirAsia X
27 Jul - 30 Jul	AirAsia X
26 Jul - 30 Jul	AirAsia X

Also check the deals for one-way flights from Sydney to Colombo 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 Sydney to Colombo in July from 477€

Return flights