Cheapest one-way flights from Boston to San Juan in March from $88

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

One-Way flights

03 Mar Spirit Airlines direct
02 Mar jetBlue direct
04 Mar jetBlue direct
08 Mar jetBlue direct
09 Mar jetBlue direct
10 Mar jetBlue direct
13 Mar jetBlue direct
15 Mar jetBlue direct
16 Mar jetBlue direct
17 Mar jetBlue direct

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

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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