Cheapest return flights from Windsor Locks to San Juan in September from $223

AirHint found the following cheapest return flights from Windsor Locks (BDL) to San Juan (SJU) in September 2025 (see full year).

Return flights

04 Sep - 11 Sep Spirit Airlines
04 Sep - 08 Sep Spirit Airlines
11 Sep - 14 Sep Spirit Airlines
12 Sep - 15 Sep Frontier Airlines
02 Sep - 14 Sep Frontier Airlines
13 Sep - 21 Sep jetBlue direct
06 Sep - 21 Sep Southwest Airlines
04 Sep - 11 Sep jetBlue direct
02 Sep - 07 Sep Frontier Airlines
06 Sep - 21 Sep jetBlue direct

Also check the deals for one-way flights from Windsor Locks to San Juan in September.

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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