Cheapest return flights from Boston to San Juan in June from $243

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

Return flights

09 Jun - 13 Jun Delta direct
01 Jun - 03 Jun Spirit Airlines
02 Jun - 03 Jun Spirit Airlines
01 Jun - 02 Jun Spirit Airlines
05 Jun - 08 Jun jetBlue direct
15 Jun - 17 Jun Delta direct
23 Jun - 30 Jun Spirit Airlines
03 Jun - 23 Jun Spirit Airlines
13 Jun - 17 Jun Delta direct
01 Jun - 06 Jun Spirit Airlines
23 Jun - 06 Jul Spirit Airlines direct
23 Jun - 04 Jul Spirit Airlines direct
27 Jun - 04 Jul jetBlue
23 Jun - 07 Jul Spirit Airlines direct
28 Jun - 04 Jul jetBlue
27 Jun - 04 Jul Delta direct
27 Jun - 15 Jul Spirit Airlines
19 Jun - 04 Jul Spirit Airlines direct
28 Jun - 04 Jul Spirit Airlines direct
27 Jun - 15 Jul Spirit Airlines direct

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

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