AirHint found the following cheapest return flights from Washington (IAD) to Oranjestad (AUA) in December 2025 (see full year).

Return flights

26 Dec - 02 Jan	Copa
05 Dec - 09 Dec	United	direct
17 Dec - 22 Dec	United	direct
24 Dec - 28 Dec	Frontier Airlines
24 Dec - 28 Dec	United	direct
19 Dec - 25 Dec	Allegiant Air
23 Dec - 28 Dec	United
21 Dec - 27 Dec	United
20 Dec - 25 Dec	Frontier Airlines
20 Dec - 27 Dec	Southwest Airlines
26 Dec - 01 Jan	Breeze Airways
20 Dec - 26 Dec	Copa
27 Dec - 02 Jan	Avianca
28 Dec - 04 Jan	Copa
24 Dec - 04 Jan	Copa

Also check the deals for one-way flights from Washington to Oranjestad 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 Washington to Oranjestad in December from 350€

Return flights