Cheapest return flights from San Juan to Boston in May from $135

Best time to book flights for San Juan (SJU) to Boston (BOS) flights at AirHint

AirHint found the following cheapest return flights from San Juan (SJU) to Boston (BOS) in May 2025 (see full year).

Return flights

10 May - 21 May Spirit Airlines
06 May - 29 May Spirit Airlines
11 May - 14 May jetBlue
29 May - 10 Jun jetBlue direct
23 May - 10 Jun Delta direct
06 May - 29 May jetBlue direct
11 May - 14 May jetBlue direct
10 May - 21 May Delta direct
16 May - 31 May Delta direct
30 May - 13 Jun jetBlue direct

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

Skyscanner

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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