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

Return flights

02 Dec - 09 Dec	Turkish Airlines
04 Dec - 23 Dec	Turkish Airlines
04 Dec - 24 Dec	Turkish Airlines
05 Dec - 23 Dec	Turkish Airlines
01 Dec - 31 Jan	Turkish Airlines
11 Dec - 25 Dec	Turkish Airlines
10 Dec - 15 Dec	Turkish Airlines
09 Dec - 29 Dec	Turkish Airlines
31 Dec - 13 Jan	Air Canada
10 Dec - 09 Jan	Turkish Airlines
12 Dec - 26 Dec	Turkish Airlines
02 Dec - 09 Dec	Singapore Airlines	direct
14 Dec - 21 Dec	Lufthansa
25 Dec - 12 Jan	Turkish Airlines
28 Dec - 11 Jan	Air India
25 Dec - 11 Jan	Turkish Airlines
31 Dec - 09 Jan	Turkish Airlines
25 Dec - 10 Jan	Turkish Airlines
17 Dec - 07 Jan	Spirit Airlines
13 Dec - 10 Jan	Turkish Airlines

Also check the deals for one-way flights from Newark 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 Newark to Singapore in December from $829

Return flights