Cheapest one-way flights from Washington to Philipsburg in August from $89

AirHint found the following cheapest one-way flights from Washington (IAD) to Philipsburg (SXM) in August 2025 (see full year).

One-Way flights

03 Aug Frontier Airlines
08 Aug Frontier Airlines
01 Aug Frontier Airlines
28 Aug Copa
23 Aug Copa
04 Aug Allegiant Air
25 Aug Frontier Airlines
16 Aug Frontier Airlines
23 Aug United direct
16 Aug United direct

Also check the deals for return flights from Washington to Philipsburg in August.

Skyscanner

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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