Cheapest return flights from Boston to San Juan in March from 94€

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

31 Mar - 09 Apr Frontier Airlines direct
05 Mar - 02 Apr Frontier Airlines direct
24 Mar - 09 Apr Frontier Airlines direct
05 Mar - 14 Mar Frontier Airlines direct
05 Mar - 07 Mar Frontier Airlines direct
24 Mar - 02 Apr Frontier Airlines direct
05 Mar - 12 Mar Frontier Airlines
03 Mar - 07 Mar Frontier Airlines
11 Mar - 17 Mar Frontier Airlines
10 Mar - 17 Mar Frontier Airlines
10 Mar - 12 Mar Frontier Airlines
24 Mar - 28 Mar Frontier Airlines direct
05 Mar - 11 Mar Frontier Airlines direct
03 Mar - 12 Mar Frontier Airlines
26 Mar - 02 Apr Spirit Airlines
26 Mar - 09 Apr Spirit Airlines
25 Mar - 07 Apr Frontier Airlines
24 Mar - 15 Apr Frontier Airlines
27 Mar - 02 Apr Frontier Airlines
24 Mar - 15 Apr Frontier Airlines direct

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

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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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