Cheapest return flights from Boston to San Juan in July from $294

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

AirHint found the following cheapest return flights from Boston (BOS) to San Juan (SJU) in July 2025 (see full year).

Return flights

18 Jul - 22 Jul Delta direct
02 Jul - 09 Jul Delta direct
16 Jul - 23 Jul Delta direct
18 Jul - 23 Jul Delta direct
01 Jul - 07 Jul jetBlue
25 Jul - 30 Jul jetBlue direct
04 Jul - 09 Jul jetBlue
14 Jul - 14 Jul Delta direct
11 Jul - 18 Jul jetBlue direct
17 Jul - 23 Jul jetBlue direct
27 Jul - 02 Aug jetBlue
27 Jul - 02 Aug Delta direct
31 Jul - 04 Aug jetBlue direct

Also check the deals for one-way 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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