Cheapest return flights from Washington to Philipsburg in April from $394

AirHint found the following cheapest return flights from Washington (IAD) to Philipsburg (SXM) in April 2026 (see full year).

Return flights

01 Apr - 06 Apr Air Canada
02 Apr - 06 Apr Air Canada
09 Apr - 13 Apr Air Canada
30 Apr - 05 May Frontier Airlines
29 Apr - 07 May Porter Airlines (Canada) Ltd
30 Apr - 04 May Copa
25 Apr - 29 Apr Copa
12 Apr - 15 Apr Copa
25 Apr - 29 Apr United direct
01 Apr - 08 Apr Frontier Airlines
09 Apr - 12 Apr Copa
24 Apr - 28 Apr American Airlines
23 Apr - 27 Apr United

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

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