AirHint found the following cheapest return flights from Adelaide (ADL) to Colombo (CMB) in October 2025 (see full year).

Return flights

31 Oct - 08 Nov	Singapore Airlines
31 Oct - 09 Nov	Singapore Airlines
12 Oct - 22 Oct	Singapore Airlines
28 Oct - 18 Nov	Singapore Airlines
01 Oct - 31 Oct	Singapore Airlines
01 Oct - 01 Nov	Singapore Airlines
01 Oct - 28 Oct	Emirates
04 Oct - 08 Nov	Emirates
04 Oct - 01 Nov	Emirates
04 Oct - 18 Oct	Emirates
29 Oct - 04 Nov	Emirates
29 Oct - 05 Nov	Emirates

Also check the deals for one-way flights from Adelaide to Colombo in October.

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 Adelaide to Colombo in October from $575

Return flights