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

Return flights

12 Dec - 21 Dec	Air India
30 Dec - 29 Jan	Air India
17 Dec - 10 Jan	Air India
16 Dec - 25 Dec	IndiGo
30 Dec - 06 Jan	Air India
15 Dec - 20 Dec	Air India
17 Dec - 28 Dec	Air India
15 Dec - 11 Jan	Air India
11 Dec - 13 Dec	Etihad Airways
16 Dec - 20 Dec	IndiGo
11 Dec - 15 Dec	Etihad Airways
16 Dec - 31 Dec	IndiGo
11 Dec - 18 Dec	Etihad Airways
14 Dec - 21 Dec	IndiGo
26 Dec - 01 Jan	flydubai
26 Dec - 31 Jan	flydubai
26 Dec - 08 Jan	Flynas
31 Dec - 03 Jan	Air India
25 Dec - 11 Jan	flydubai
26 Dec - 02 Jan	flydubai

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

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 December from 300€

Return flights