Cheapest one-way flights from St. Louis to Philipsburg in April from $149

AirHint found the following cheapest one-way flights from St. Louis (STL) to Philipsburg (SXM) in April 2026 (see full year).

One-Way flights

09 Apr Air Canada
29 Apr Frontier Airlines
30 Apr Frontier Airlines
02 Apr American Airlines

Also check the deals for return flights from St. Louis to Philipsburg in April.

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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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