Cheapest return flights from Newburgh to St. Thomas in July from $310

Best time to book flights for Newburgh (SWF) to St. Thomas (STT) flights at AirHint

AirHint found the following cheapest return flights from Newburgh (SWF) to St. Thomas (STT) in July 2025 (see full year).

Return flights

25 Jul - 28 Jul Allegiant Air
25 Jul - 01 Aug Allegiant Air
04 Jul - 13 Jul Allegiant Air
04 Jul - 07 Jul Allegiant Air
02 Jul - 07 Jul Allegiant Air
04 Jul - 06 Jul Allegiant Air
03 Jul - 07 Jul Breeze Airways

Also check the deals for one-way flights from Newburgh to St. Thomas in July.

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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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