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

Return flights

07 Dec - 14 Dec	Air Canada
10 Dec - 15 Dec	American Airlines
06 Dec - 13 Dec	American Airlines
11 Dec - 18 Dec	American Airlines
01 Dec - 05 Dec	Air Canada
06 Dec - 13 Dec	United	direct
12 Dec - 15 Dec	American Airlines
19 Dec - 24 Dec	American Airlines
24 Dec - 31 Dec	Arajet
24 Dec - 29 Dec	Arajet
29 Dec - 04 Jan	Spirit Airlines
30 Dec - 09 Jan	Delta
29 Dec - 03 Jan	Spirit Airlines
29 Dec - 02 Jan	Spirit Airlines
23 Dec - 03 Jan	Spirit Airlines
25 Dec - 02 Jan	Spirit Airlines
20 Dec - 03 Jan	Sun Country Airlines
14 Dec - 04 Jan	Delta

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 $364

Return flights