AirHint found the following cheapest return flights from Newburgh (SWF) to Cartagena (CTG) in August 2025 (see full year).

Return flights

01 Aug - 07 Aug	Allegiant Air
10 Aug - 14 Aug	Allegiant Air
06 Aug - 10 Aug	Allegiant Air
04 Aug - 08 Aug	Allegiant Air
15 Aug - 18 Aug	Allegiant Air
01 Aug - 08 Aug	Allegiant Air
09 Aug - 14 Aug	Breeze Airways

Also check the deals for one-way flights from Newburgh to Cartagena in August.

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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Cheapest return flights from Newburgh to Cartagena in August from $359

Return flights