Cheapest one-way flights from Boston to San Juan in February from $59

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

One-Way flights

25 Feb Spirit Airlines direct
23 Feb Spirit Airlines direct
22 Feb Spirit Airlines
22 Feb Spirit Airlines direct
26 Feb Frontier Airlines direct
21 Feb jetBlue direct
20 Feb Frontier Airlines direct
19 Feb Spirit Airlines direct
18 Feb Frontier Airlines
27 Feb Frontier Airlines

Also check the deals for return flights from Boston to San Juan in February.

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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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