Cheapest return IAD–SXM flights, May

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

Return flights

26 May - 05 Jun Copa
27 May - 03 Jun Copa
27 May - 05 Jun Copa
26 May - 05 Jun United direct
27 May - 05 Jun United direct
27 May - 03 Jun United direct
28 May - 01 Jun Copa
23 May - 27 May United direct
26 May - 30 May United direct
24 May - 30 May United direct
20 May - 25 May Copa
13 May - 17 May Copa
13 May - 14 May United
28 May - 01 Jun United direct
07 May - 14 May United
14 May - 14 May United
21 May - 25 May Porter Airlines (Canada) Ltd
13 May - 13 May United

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

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