Cheapest return flights from Boston to San Juan in April from $220

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

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

Return flights

30 Apr - 06 May Spirit Airlines direct
30 Apr - 07 May Spirit Airlines
28 Apr - 30 Apr Spirit Airlines
28 Apr - 06 May Spirit Airlines direct
28 Apr - 03 May Spirit Airlines
29 Apr - 03 May Spirit Airlines
30 Apr - 10 May Spirit Airlines
30 Apr - 03 May Spirit Airlines
30 Apr - 13 May Spirit Airlines
28 Apr - 30 Apr Spirit Airlines direct
30 Apr - 04 May Spirit Airlines direct
27 Apr - 03 May Spirit Airlines
27 Apr - 30 Apr Spirit Airlines direct

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