Cheapest return flights from Boston to San Juan in June from 209€

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

Return flights

09 Jun - 16 Jun Spirit Airlines
15 Jun - 16 Jun Spirit Airlines
09 Jun - 10 Jun Spirit Airlines
13 Jun - 16 Jun Spirit Airlines
06 Jun - 16 Jun Spirit Airlines
06 Jun - 10 Jun Spirit Airlines
12 Jun - 16 Jun Spirit Airlines
11 Jun - 16 Jun Spirit Airlines
09 Jun - 13 Jun Frontier Airlines
13 Jun - 15 Jun Spirit Airlines
29 Jun - 08 Jul Frontier Airlines
26 Jun - 03 Jul Frontier Airlines
29 Jun - 17 Jul Spirit Airlines
30 Jun - 17 Jul Spirit Airlines
26 Jun - 01 Jul Frontier Airlines
24 Jun - 14 Jul Spirit Airlines
29 Jun - 14 Jul Spirit Airlines
25 Jun - 14 Jul Spirit Airlines
30 Jun - 20 Jul Spirit Airlines
30 Jun - 14 Jul Spirit Airlines

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

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