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

Return flights

05 Dec - 15 Dec	AirAsia X
03 Dec - 13 Dec	Vietnam Airlines
01 Dec - 05 Dec	Vietnam Airlines
18 Dec - 05 Jan	Thai AirAsia X
01 Dec - 05 Dec	Air China	direct
09 Dec - 15 Dec	AirAsia X
05 Dec - 17 Dec	AirAsia X
05 Dec - 10 Dec	AirAsia X
05 Dec - 14 Dec	AirAsia X
05 Dec - 08 Dec	AirAsia X
17 Dec - 23 Dec	Malaysia Airlines
27 Dec - 03 Jan	Vietnam Airlines
16 Dec - 05 Jan	Thai AirAsia X
18 Dec - 04 Jan	Thai AirAsia X
16 Dec - 04 Jan	Thai AirAsia X
19 Dec - 05 Jan	AirAsia X
20 Dec - 05 Jan	AirAsia X
15 Dec - 04 Jan	Thai AirAsia X
27 Dec - 03 Jan	Singapore Airlines	direct
18 Dec - 03 Jan	Thai AirAsia X

Also check the deals for one-way flights from Shanghai to Singapore 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 Singapore in December from $355

Return flights