Cheapest return flights from Washington to Philipsburg in December from $401

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

Return flights

07 Dec - 13 Dec Frontier Airlines
19 Dec - 24 Dec Frontier Airlines
18 Dec - 22 Dec Frontier Airlines
13 Dec - 17 Dec Air Canada
19 Dec - 31 Dec Allegiant Air
02 Dec - 07 Dec Copa
09 Dec - 12 Dec Copa
18 Dec - 22 Dec United direct
23 Dec - 28 Dec United direct
20 Dec - 24 Dec Frontier Airlines
29 Dec - 02 Jan Porter Airlines (Canada) Ltd
28 Dec - 03 Jan Frontier Airlines
29 Dec - 02 Jan United direct

Also check the deals for one-way flights from Washington to Philipsburg in December.

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