Cheapest return flights from Boston to San Juan in May from 152€

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

Return flights

20 May - 27 May Spirit Airlines
13 May - 20 May Spirit Airlines
12 May - 27 May Spirit Airlines
12 May - 20 May Spirit Airlines
13 May - 27 May Spirit Airlines
19 May - 20 May Spirit Airlines
06 May - 20 May Spirit Airlines
06 May - 12 May Spirit Airlines
06 May - 07 May Spirit Airlines
02 May - 10 May jetBlue direct
19 May - 04 Jun Spirit Airlines
20 May - 04 Jun Spirit Airlines
30 May - 10 Jun Spirit Airlines
28 May - 10 Jun Spirit Airlines
30 May - 04 Jun Spirit Airlines
30 May - 19 Jun Spirit Airlines
23 May - 10 Jun Spirit Airlines
28 May - 04 Jun Spirit Airlines
21 May - 10 Jun Spirit Airlines
23 May - 04 Jun Spirit Airlines

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

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