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

Return flights

03 Dec - 09 Dec	China Eastern
03 Dec - 07 Dec	China Eastern
10 Dec - 13 Dec	China Eastern
04 Dec - 10 Dec	Air China
05 Dec - 09 Dec	Air China
09 Dec - 16 Dec	Air China
05 Dec - 07 Dec	Air China
04 Dec - 07 Dec	Air China
02 Dec - 10 Dec	Air China
02 Dec - 09 Dec	Air China
19 Dec - 12 Jan	Air China
19 Dec - 11 Jan	Air China
18 Dec - 18 Jan	Cathay Pacific
08 Dec - 08 Jan	Cathay Pacific
20 Dec - 05 Jan	HK Express
16 Dec - 09 Jan	Air China
13 Dec - 12 Jan	Air China
23 Dec - 05 Jan	Asiana Airlines
24 Dec - 03 Jan	AirAsia X
25 Dec - 14 Jan	HK Express

Also check the deals for one-way flights from Tokyo 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 Tokyo to Singapore in December from $324

Return flights