Cheapest return flights from Buffalo to San Juan in July from 292€

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

Return flights

13 Jul - 20 Jul Frontier Airlines
16 Jul - 20 Jul Frontier Airlines
09 Jul - 14 Jul Frontier Airlines
22 Jul - 28 Jul Frontier Airlines
20 Jul - 25 Jul Southwest Airlines
19 Jul - 23 Jul Delta
19 Jul - 25 Jul Southwest Airlines
12 Jul - 18 Jul Southwest Airlines

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

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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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