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

Return flights

01 Dec - 05 Dec	United	direct
13 Dec - 20 Dec	United
16 Dec - 23 Dec	United
05 Dec - 12 Dec	United
03 Dec - 06 Dec	Copa
24 Dec - 30 Dec	Frontier Airlines
17 Dec - 22 Dec	United
20 Dec - 24 Dec	Frontier Airlines
23 Dec - 27 Dec	United
22 Dec - 31 Dec	Allegiant Air
30 Dec - 05 Jan	United
25 Dec - 01 Jan	Frontier Airlines
25 Dec - 01 Jan	United	direct
28 Dec - 02 Jan	Frontier Airlines
28 Dec - 02 Jan	United	direct

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 299€

Return flights