Cheapest return flights from Buffalo to San Juan in August from 316€

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

Return flights

20 Aug - 29 Aug Southwest Airlines
19 Aug - 28 Aug Southwest Airlines
14 Aug - 24 Aug Southwest Airlines
14 Aug - 22 Aug Southwest Airlines
13 Aug - 22 Aug Frontier Airlines
08 Aug - 15 Aug Frontier Airlines
13 Aug - 23 Aug Frontier Airlines

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

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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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