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

Return flights

09 May - 22 May	Malaysia Airlines
03 May - 17 May	Malaysia Airlines
17 May - 08 Jun	Malaysia Airlines
19 May - 08 Jun	AirAsia X
05 May - 19 May	Malaysia Airlines
15 May - 12 Jun	Singapore Airlines
15 May - 24 May	Malaysia Airlines
12 May - 22 May	AirAsia X
05 May - 22 May	AirAsia X
19 May - 22 May	AirAsia X
17 May - 22 May	AirAsia X
03 May - 22 May	AirAsia X
19 May - 25 Jun	Malaysia Airlines
02 May - 22 May	AirAsia X
15 May - 12 Jun	SriLankan Airlines	direct

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 $545

Return flights