Cheapest return flights from San Juan to Boston in April from $138

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 April 2025 (see full year).

Return flights

04 Apr - 12 Apr Frontier Airlines direct
16 Apr - 23 Apr Frontier Airlines
03 Apr - 06 Apr Frontier Airlines
16 Apr - 23 Apr Frontier Airlines direct
05 Apr - 12 Apr Frontier Airlines direct
03 Apr - 06 Apr jetBlue direct
12 Apr - 17 Apr Frontier Airlines

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

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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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