Cheapest return flights from Windsor Locks to San Juan in May from $191

AirHint found the following cheapest return flights from Windsor Locks (BDL) to San Juan (SJU) in May 2026 (see full year).

Return flights

09 May - 13 May Frontier Airlines
08 May - 13 May Frontier Airlines
01 May - 04 May Frontier Airlines
14 May - 19 May Frontier Airlines
01 May - 08 May Frontier Airlines
09 May - 13 May Frontier Airlines direct
01 May - 04 May Frontier Airlines direct
06 May - 12 May Frontier Airlines direct
01 May - 08 May Frontier Airlines direct
14 May - 19 May Frontier Airlines direct
15 May - 12 Jun Frontier Airlines
15 May - 12 Jun jetBlue direct
29 May - 01 Jun jetBlue direct

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

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