Cheapest return flights from Boston to San Juan in March from 187€

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 March 2025 (see full year).

Return flights

18 Mar - 25 Mar Frontier Airlines direct
02 Mar - 05 Mar Frontier Airlines direct
04 Mar - 18 Mar Spirit Airlines
05 Mar - 10 Mar Frontier Airlines
05 Mar - 10 Mar Frontier Airlines direct
04 Mar - 11 Mar United
02 Mar - 10 Mar Frontier Airlines direct
03 Mar - 08 Mar Frontier Airlines direct
04 Mar - 04 Mar United
05 Mar - 17 Mar Frontier Airlines
28 Mar - 03 Apr Frontier Airlines

Also check the deals for one-way 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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