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

Return flights

08 Jan - 15 Jan	jetBlue	direct
31 Jan - 09 Feb	jetBlue	direct
09 Jan - 16 Jan	Delta
07 Jan - 14 Jan	jetBlue	direct
10 Jan - 17 Jan	jetBlue	direct
10 Jan - 18 Jan	jetBlue	direct
03 Jan - 10 Jan	jetBlue
11 Jan - 18 Jan	jetBlue
15 Jan - 27 Jan	jetBlue
03 Jan - 10 Jan	jetBlue	direct
15 Jan - 27 Jan	jetBlue	direct

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

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 January from $280

Return flights