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

Return flights

21 Dec - 22 Dec	StarFlyer
23 Dec - 29 Dec	VietJet Air
23 Dec - 08 Jan	VietJet Air
23 Dec - 02 Jan	VietJet Air
22 Dec - 05 Jan	VietJet Air
23 Dec - 31 Dec	VietJet Air
23 Dec - 30 Dec	VietJet Air
23 Dec - 25 Dec	VietJet Air
22 Dec - 25 Dec	Korean Air
24 Dec - 27 Dec	Korean Air
24 Dec - 29 Dec	Korean Air
24 Dec - 30 Dec	Korean Air
22 Dec - 24 Dec	VietJet Air
24 Dec - 06 Jan	Korean Air
21 Dec - 06 Jan	Korean Air
24 Dec - 08 Jan	Asiana Airlines
24 Dec - 03 Jan	VietJet Air
24 Dec - 05 Jan	AirAsia X
23 Dec - 04 Jan	Korean Air
25 Dec - 06 Jan	Asiana Airlines

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 388€

Return flights