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

Return flights

09 Dec - 13 Dec	United	direct
05 Dec - 09 Dec	Frontier Airlines
17 Dec - 22 Dec	Frontier Airlines
07 Dec - 12 Dec	Copa
31 Dec - 06 Jan	Frontier Airlines
09 Dec - 12 Dec	Copa
20 Dec - 25 Dec	Frontier Airlines
29 Dec - 06 Jan	Frontier Airlines
20 Dec - 24 Dec	Frontier Airlines
09 Dec - 12 Dec	United	direct
19 Dec - 24 Dec	Allegiant Air
27 Dec - 31 Dec	Frontier Airlines
30 Dec - 06 Jan	Frontier Airlines
27 Dec - 01 Jan	Frontier Airlines
25 Dec - 06 Jan	Copa
25 Dec - 01 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 300€

Return flights