Cheapest return flights from Windsor Locks to San Juan in May from 171€

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

Return flights

08 May - 18 May Frontier Airlines
01 May - 04 May Frontier Airlines direct
08 May - 18 May Frontier Airlines direct
20 May - 27 May Frontier Airlines
20 May - 27 May Frontier Airlines direct
18 May - 23 May United
14 May - 21 May Frontier Airlines
15 May - 22 May Frontier Airlines
15 May - 12 Jun Frontier Airlines
15 May - 22 May Frontier Airlines direct
17 May - 24 May Frontier Airlines
29 May - 01 Jun Southwest Airlines
29 May - 01 Jun Frontier Airlines direct

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

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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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