Cheapest one-way flights from Boston to San Juan in April from $109

Best time to book flights for Boston (BOS) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest one-way flights from Boston (BOS) to San Juan (SJU) in April 2025 (see full year).

One-Way flights

01 Apr Frontier Airlines direct
08 Apr Frontier Airlines direct
23 Apr Delta direct
10 Apr Frontier Airlines direct
12 Apr jetBlue direct
21 Apr jetBlue direct
16 Apr Delta direct
17 Apr Frontier Airlines direct
18 Apr jetBlue direct
07 Apr Frontier Airlines

Also check the deals for return flights from Boston to San Juan in April.

Skyscanner

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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