Cheapest return flights from Boston to San Juan in August from 154€

AirHint found the following cheapest return flights from Boston (BOS) to San Juan (SJU) in August 2026 (see full year).

Return flights

25 Aug - 26 Aug Spirit Airlines direct
25 Aug - 02 Sep Spirit Airlines direct
29 Aug - 01 Sep Spirit Airlines direct
29 Aug - 02 Sep Spirit Airlines direct
30 Aug - 01 Sep Spirit Airlines direct
30 Aug - 02 Sep Spirit Airlines direct
25 Aug - 01 Sep Spirit Airlines direct
28 Aug - 01 Sep Spirit Airlines direct
29 Aug - 30 Aug Spirit Airlines direct
25 Aug - 30 Aug Spirit Airlines direct
29 Aug - 05 Sep Spirit Airlines direct
29 Aug - 08 Sep Spirit Airlines direct
28 Aug - 02 Sep Spirit Airlines direct
19 Aug - 26 Aug Spirit Airlines
19 Aug - 22 Aug Spirit Airlines
28 Aug - 30 Aug Spirit Airlines direct
20 Aug - 26 Aug Spirit Airlines direct
21 Aug - 22 Aug Spirit Airlines direct
25 Aug - 27 Aug Spirit Airlines direct
19 Aug - 25 Aug Spirit Airlines

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

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