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

Return flights

11 Dec - 18 Dec	SriLankan Airlines	direct
26 Dec - 05 Jan	Air China
27 Dec - 04 Jan	Air China
18 Dec - 03 Jan	Air China
18 Dec - 05 Jan	Thai AirAsia X
18 Dec - 04 Jan	Thai AirAsia X
11 Dec - 20 Dec	Thai AirAsia X
18 Dec - 20 Dec	Thai AirAsia X
26 Dec - 04 Jan	Thai AirAsia X
27 Dec - 05 Jan	Thai AirAsia X
26 Dec - 03 Jan	Thai AirAsia X
27 Dec - 03 Jan	Thai AirAsia X

Also check the deals for one-way flights from Shanghai 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 Shanghai to Colombo in December from $392

Return flights