Cheapest one-way flights from San Juan to Boston in April from $68

AirHint found the following cheapest one-way flights from San Juan (SJU) to Boston (BOS) in April 2026 (see full year).

One-Way flights

28 Apr Spirit Airlines direct
29 Apr Spirit Airlines
21 Apr Spirit Airlines
07 Apr Spirit Airlines direct
21 Apr Spirit Airlines direct
30 Apr Spirit Airlines
12 Apr Frontier Airlines direct
27 Apr Spirit Airlines
17 Apr Spirit Airlines
13 Apr Spirit Airlines direct

Also check the deals for return 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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