AirHint found the following cheapest return flights from Riyadh (RUH) to Colombo (CMB) in September 2025 (see full year).

Return flights

01 Sep - 03 Oct	Gulf Air
04 Sep - 26 Sep	Etihad Airways
17 Sep - 23 Sep	flyadeal
18 Sep - 21 Sep	Air India
25 Sep - 30 Sep	Air India
06 Sep - 24 Sep	Gulf Air
04 Sep - 13 Sep	Etihad Airways
08 Sep - 13 Sep	Gulf Air
15 Sep - 22 Sep	Air Arabia
10 Sep - 09 Oct	Gulf Air
08 Sep - 07 Oct	Air Arabia
09 Sep - 08 Oct	Air Arabia
09 Sep - 07 Oct	Gulf Air
11 Sep - 23 Sep	Air Arabia
15 Sep - 09 Oct	Air Arabia
22 Sep - 27 Sep	Air Arabia
03 Sep - 10 Oct	Air Arabia
04 Sep - 10 Oct	Etihad Airways
25 Sep - 04 Oct	Etihad Airways
04 Sep - 10 Oct	SriLankan Airlines	direct

Also check the deals for one-way flights from Riyadh to Colombo in September.

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 Riyadh to Colombo in September from 265€

Return flights