Cheapest return flights from Buffalo to San Juan in April from $212

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

Return flights

24 Apr - 06 May Delta
25 Apr - 27 Apr Frontier Airlines
24 Apr - 26 Apr Frontier Airlines
11 Apr - 15 Apr jetBlue
10 Apr - 17 Apr Frontier Airlines
09 Apr - 17 Apr Frontier Airlines
10 Apr - 18 Apr Frontier Airlines
10 Apr - 18 Apr jetBlue direct
10 Apr - 17 Apr jetBlue direct
10 Apr - 14 Apr Frontier Airlines
10 Apr - 13 Apr Frontier Airlines

Also check the deals for one-way flights from Buffalo to San Juan in April.

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