Cheapest one-way flights from Boston to San Juan in March from 55€

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

AirHint found the following cheapest one-way flights from Boston (BOS) to San Juan (SJU) in March 2025 (see full year).

One-Way flights

03 Mar Frontier Airlines
05 Mar Frontier Airlines
06 Mar Frontier Airlines
02 Mar Spirit Airlines direct
05 Mar Frontier Airlines direct
03 Mar Frontier Airlines direct
04 Mar Spirit Airlines direct
17 Mar Frontier Airlines direct
10 Mar Frontier Airlines direct
18 Mar Spirit Airlines

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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