Cheapest return flights from San Juan to Boston in May from 159€

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

Return flights

06 May - 13 May Spirit Airlines
12 May - 13 May Spirit Airlines
14 May - 18 May Spirit Airlines
07 May - 13 May Spirit Airlines
20 May - 27 May jetBlue direct
01 May - 06 May Spirit Airlines
06 May - 15 May Spirit Airlines
12 May - 15 May Spirit Airlines
04 May - 06 May Spirit Airlines
19 May - 20 May Spirit Airlines
19 May - 09 Jun Spirit Airlines
19 May - 07 Jun Spirit Airlines
27 May - 07 Jun Spirit Airlines
27 May - 09 Jun Spirit Airlines
27 May - 10 Jun Spirit Airlines
18 May - 07 Jun Spirit Airlines
20 May - 07 Jun Spirit Airlines
20 May - 09 Jun Spirit Airlines
20 May - 10 Jun Spirit Airlines
21 May - 07 Jun Spirit Airlines

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

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