Cheapest return flights from Boston to San Juan in August from 150€

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

Return flights

03 Aug - 21 Aug Spirit Airlines
03 Aug - 08 Aug Spirit Airlines
03 Aug - 15 Aug Spirit Airlines
03 Aug - 07 Aug Spirit Airlines direct
26 Aug - 28 Aug Spirit Airlines
20 Aug - 28 Aug Spirit Airlines
20 Aug - 27 Aug Spirit Airlines
16 Aug - 28 Aug Spirit Airlines
16 Aug - 21 Aug Spirit Airlines
16 Aug - 27 Aug Spirit Airlines
26 Aug - 03 Sep Spirit Airlines
26 Aug - 13 Sep Spirit Airlines
26 Aug - 10 Sep Spirit Airlines
26 Aug - 16 Sep Spirit Airlines
26 Aug - 06 Sep Spirit Airlines
26 Aug - 12 Sep Spirit Airlines
26 Aug - 11 Sep Spirit Airlines
26 Aug - 09 Sep Spirit Airlines
20 Aug - 03 Sep Spirit Airlines
20 Aug - 10 Sep Spirit Airlines

Also check the deals for one-way flights from Boston to San Juan in August.

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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