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

Return flights

29 Dec - 16 Jan	Air Japan	direct
30 Dec - 16 Jan	Air Japan	direct
30 Dec - 19 Jan	Air Japan	direct
31 Dec - 16 Jan	Air Japan	direct
30 Dec - 11 Jan	Shenzhen Airlines
29 Dec - 15 Jan	Air Japan	direct
30 Dec - 15 Jan	Air Japan	direct
31 Dec - 19 Jan	Air Japan	direct
29 Dec - 17 Jan	Air Japan	direct
30 Dec - 17 Jan	Air Japan	direct
16 Dec - 18 Dec	Scoot
28 Dec - 30 Dec	China Eastern
17 Dec - 23 Dec	Shenzhen Airlines
16 Dec - 20 Dec	Scoot
16 Dec - 19 Dec	Scoot
17 Dec - 24 Dec	Shenzhen Airlines
16 Dec - 21 Dec	Scoot
17 Dec - 20 Dec	Scoot
17 Dec - 21 Dec	Scoot
15 Dec - 17 Dec	Scoot

Also check the deals for one-way flights from Singapore to Tokyo 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 Singapore to Tokyo in December from $348

Return flights