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

Return flights

10 Dec - 14 Dec	Arajet
11 Dec - 22 Dec	Air Canada
13 Dec - 20 Dec	Air Canada
06 Dec - 08 Dec	Air Canada
13 Dec - 20 Dec	United	direct
05 Dec - 09 Dec	Air Canada
01 Dec - 05 Dec	Air Canada
10 Dec - 15 Dec	Arajet
31 Dec - 10 Jan	Arajet
06 Dec - 13 Dec	Spirit Airlines
11 Dec - 15 Dec	Spirit Airlines
31 Dec - 05 Jan	Arajet
15 Dec - 01 Jan	Spirit Airlines
31 Dec - 04 Jan	Arajet
23 Dec - 05 Jan	Spirit Airlines
26 Dec - 01 Jan	Spirit Airlines
15 Dec - 03 Jan	Spirit Airlines
23 Dec - 04 Jan	Spirit Airlines
30 Dec - 02 Jan	Spirit Airlines
29 Dec - 04 Jan	United

Also check the deals for one-way flights from Newark to Willemstad 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 Willemstad in December from 362€

Return flights