Cheapest return flights from Boston to San Juan in June from $153

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 June 2025 (see full year).

Return flights

15 Jun - 19 Jun Spirit Airlines direct
12 Jun - 19 Jun Spirit Airlines direct
23 Jun - 26 Jun Spirit Airlines
12 Jun - 16 Jun Spirit Airlines
17 Jun - 24 Jun Spirit Airlines
21 Jun - 07 Jul Spirit Airlines
21 Jun - 28 Jun Spirit Airlines
14 Jun - 18 Jun Spirit Airlines
13 Jun - 15 Jun jetBlue direct
09 Jun - 13 Jun jetBlue
15 Jun - 27 Jun Spirit Airlines direct
27 Jun - 05 Jul jetBlue direct
20 Jun - 07 Jul Spirit Airlines
29 Jun - 04 Jul Spirit Airlines direct
27 Jun - 07 Jul Delta direct
28 Jun - 02 Jul jetBlue
20 Jun - 07 Jul jetBlue direct
27 Jun - 01 Jul jetBlue
24 Jun - 01 Jul jetBlue
21 Jun - 07 Jul jetBlue direct

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

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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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