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

Return flights

12 Dec - 15 Dec	Thai AirAsia
06 Dec - 15 Dec	Thai AirAsia
27 Dec - 03 Jan	VietJet Air
12 Dec - 31 Dec	Thai AirAsia
27 Dec - 31 Dec	Thai AirAsia
12 Dec - 19 Dec	Thai AirAsia
06 Dec - 19 Dec	Thai AirAsia

Also check the deals for one-way flights from Hanoi 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 Hanoi to Colombo in December from $393

Return flights