AirHint found the following cheapest one-way flights from Delhi (DEL) to Colombo (CMB) in December 2025 (see full year).

One-Way flights

04 Dec	Akasa Air
10 Dec	Air India	direct
02 Dec	SriLankan Airlines	direct
07 Dec	Air India	direct
15 Dec	Air India	direct
28 Dec	SriLankan Airlines	direct
14 Dec	SriLankan Airlines	direct
16 Dec	SriLankan Airlines	direct
03 Dec	SriLankan Airlines	direct
29 Dec	SriLankan Airlines	direct

Also check the deals for return flights from Delhi 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 one-way flights from Delhi to Colombo in December from 128€

One-Way flights