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

Return flights

12 Oct - 29 Oct	jetBlue	direct
12 Oct - 28 Oct	jetBlue	direct
26 Oct - 02 Nov	jetBlue	direct
24 Oct - 30 Oct	jetBlue	direct
15 Oct - 27 Oct	jetBlue	direct
24 Oct - 27 Oct	jetBlue
02 Oct - 09 Oct	jetBlue
17 Oct - 19 Oct	jetBlue
17 Oct - 20 Oct	jetBlue
23 Oct - 05 Nov	jetBlue
26 Oct - 25 Nov	jetBlue
25 Oct - 28 Oct	jetBlue
23 Oct - 05 Nov	jetBlue	direct
24 Oct - 27 Oct	jetBlue	direct
26 Oct - 25 Nov	jetBlue	direct
30 Oct - 29 Nov	jetBlue

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

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 Windsor Locks to San Juan in October from $233

Return flights