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

Return flights

06 Dec - 14 Dec	Frontier Airlines
06 Dec - 07 Dec	Spirit Airlines
04 Dec - 07 Dec	Spirit Airlines
04 Dec - 14 Dec	Spirit Airlines
17 Dec - 25 Dec	Delta
30 Dec - 04 Jan	Spirit Airlines
20 Dec - 27 Dec	Spirit Airlines
19 Dec - 26 Dec	Southwest Airlines
20 Dec - 26 Dec	Southwest Airlines
20 Dec - 04 Jan	Spirit Airlines

Also check the deals for one-way flights from Philadelphia 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 Philadelphia to Oranjestad in December from 349€

Return flights