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

Return flights

02 May - 29 May	Malaysia Airlines
09 May - 17 May	Malaysia Airlines
03 May - 25 May	Malaysia Airlines
16 May - 29 May	Malaysia Airlines
15 May - 22 May	Malaysia Airlines
13 May - 25 May	AirAsia X
12 May - 25 May	AirAsia X
13 May - 22 May	AirAsia X
12 May - 22 May	AirAsia X
31 May - 09 Jun	Philippine Airlines
03 May - 22 May	AirAsia X
13 May - 01 Jun	AirAsia X
12 May - 01 Jun	AirAsia X
31 May - 12 Jun	AirAsia X
15 May - 01 Jun	AirAsia X
31 May - 01 Jun	AirAsia X
31 May - 15 Jun	AirAsia X

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

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 May from 477€

Return flights