Cheapest return flights from Windsor Locks to San Juan in September from 224€

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

Return flights

26 Sep - 02 Oct United
26 Sep - 29 Sep Frontier Airlines
29 Sep - 06 Oct Frontier Airlines
20 Sep - 27 Sep Delta
19 Sep - 26 Sep Delta
22 Sep - 23 Sep Southwest Airlines
21 Sep - 24 Sep United
24 Sep - 28 Sep Southwest Airlines
25 Sep - 28 Sep Southwest Airlines
19 Sep - 22 Sep Frontier Airlines
19 Sep - 21 Sep Frontier Airlines
20 Sep - 28 Sep Spirit Airlines

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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