Cheapest return PHL–SXM flights, May

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

Return flights

24 May - 04 Jun Spirit Airlines
24 May - 28 May Frontier Airlines
25 May - 28 May Southwest Airlines
25 May - 29 May Southwest Airlines
24 May - 07 Jun Spirit Airlines
24 May - 27 May Spirit Airlines
24 May - 29 May Southwest Airlines
28 May - 04 Jun Spirit Airlines
09 May - 16 May Air Canada
27 May - 30 May Air Canada
28 May - 07 Jun Spirit Airlines
23 May - 27 May Frontier Airlines
23 May - 30 May Air Canada
06 May - 13 May Frontier Airlines

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

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