Cheapest return flights from San Juan to Boston in August from 161€

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

Return flights

21 Aug - 25 Aug Spirit Airlines direct
19 Aug - 25 Aug Spirit Airlines direct
18 Aug - 25 Aug Spirit Airlines direct
21 Aug - 01 Sep Spirit Airlines direct
19 Aug - 01 Sep Spirit Airlines direct
18 Aug - 01 Sep Spirit Airlines direct
26 Aug - 01 Sep Spirit Airlines direct
25 Aug - 01 Sep Spirit Airlines direct
21 Aug - 28 Aug Spirit Airlines direct
19 Aug - 28 Aug Spirit Airlines direct
19 Aug - 21 Aug Spirit Airlines direct
18 Aug - 28 Aug Spirit Airlines direct
18 Aug - 21 Aug Spirit Airlines direct
26 Aug - 28 Aug Spirit Airlines direct
25 Aug - 28 Aug Spirit Airlines direct
23 Aug - 01 Sep Spirit Airlines direct
12 Aug - 01 Sep Spirit Airlines direct
20 Aug - 01 Sep Spirit Airlines direct
21 Aug - 07 Sep Spirit Airlines direct
19 Aug - 07 Sep Spirit Airlines direct

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

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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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