Cheapest return flights from Buffalo to San Juan in June from 182€

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

Return flights

04 Jun - 07 Jun Frontier Airlines
05 Jun - 08 Jun Frontier Airlines
12 Jun - 20 Jun Frontier Airlines
10 Jun - 17 Jun Frontier Airlines
13 Jun - 17 Jun jetBlue direct
23 Jun - 03 Jul Frontier Airlines
27 Jun - 10 Jul Frontier Airlines
28 Jun - 11 Jul Frontier Airlines
27 Jun - 01 Jul Frontier Airlines
26 Jun - 30 Jun Frontier Airlines

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

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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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