Cheapest return flights from Buffalo to San Juan in March from $193

AirHint found the following cheapest return flights from Buffalo (BUF) to San Juan (SJU) in March 2026 (see full year).

Return flights

03 Mar - 06 Mar Frontier Airlines
04 Mar - 10 Mar jetBlue
07 Mar - 12 Mar Frontier Airlines
19 Mar - 28 Mar Frontier Airlines
24 Mar - 31 Mar jetBlue
08 Mar - 14 Mar Frontier Airlines
05 Mar - 08 Mar Frontier Airlines
07 Mar - 14 Mar Frontier Airlines
10 Mar - 15 Mar jetBlue
07 Mar - 15 Mar Frontier Airlines
27 Mar - 01 Apr jetBlue
28 Mar - 01 Apr jetBlue
27 Mar - 03 Apr jetBlue
27 Mar - 04 Apr Frontier Airlines
27 Mar - 03 Apr jetBlue direct
27 Mar - 04 Apr jetBlue direct

Also check the deals for one-way flights from Buffalo 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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