AirHint found the following cheapest return flights from Newburgh (SWF) to San Juan (SJU) in June 2026 (see full year).

Return flights

05 Jun - 13 Jun	Allegiant Air
19 Jun - 27 Jun	Allegiant Air
29 Jun - 01 Jul	Breeze Airways
18 Jun - 27 Jun	Allegiant Air
17 Jun - 21 Jun	Breeze Airways
18 Jun - 22 Jun	Allegiant Air
11 Jun - 14 Jun	Allegiant Air
18 Jun - 21 Jun	Allegiant Air
28 Jun - 04 Jul	Breeze Airways
27 Jun - 04 Jul	Allegiant Air
25 Jun - 01 Jul	Allegiant Air

Also check the deals for one-way flights from Newburgh to San Juan in June.

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Cheapest return flights from Newburgh to San Juan in June from $508

Return flights