Cheapest one-way flights from Boston to San Juan in July from 181€

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 July 2025 (see full year).

One-Way flights

08 Jul United
12 Jul United
17 Jul Delta direct
20 Jul Delta direct
22 Jul Delta direct
01 Jul Delta direct
04 Jul Delta direct
05 Jul Delta direct
06 Jul Delta direct
07 Jul Delta direct

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

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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