Cheapest return SWF–GRU flights, September

AirHint found the following cheapest return flights from Newburgh (SWF) to Sao Paulo (GRU) in September 2026 (see full year).

Return flights

04 Sep - 13 Sep Allegiant Air
25 Sep - 04 Oct Breeze Airways

Also check the deals for one-way flights from Newburgh to Sao Paulo in September.

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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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