AirHint found the following cheapest return flights from Windsor Locks (BDL) to San Juan (SJU) in March 2026 (see full year).
Return flights
| 04 Mar - 10 Mar | Frontier Airlines | direct | |
| 03 Mar - 08 Mar | Frontier Airlines | direct | |
| 21 Mar - 28 Mar | Frontier Airlines | direct | |
| 09 Mar - 14 Mar | Frontier Airlines | ||
| 26 Mar - 30 Mar | Frontier Airlines |
Also check the deals for one-way flights from Windsor Locks to San Juan in March.
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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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