Buffalo (BUF) to San Juan (SJU) flight deal from $195 USD in economy class

WNSouthwest Airlines

Round Trip•Economy

BUF

Buffalo Niagara International Airport

Buffalo, United States

SJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

$426 USD

-54%$195 USD

Verified Nov 29, 2025 at 7:24 AM

April 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$460 31$389 1$389 2$408 3$618 4$637 5$637 6$402 7$255 8$299 9$338 10$338 11$387 12$269 13$269 14$269 15$299 16$299 17$299 18$360 19$338 20$299 21$299 22$299 23$299 24$299 25$320 26$269 27$269 28$269 29$299 30$299 1 2 3

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Monday, April 6th, 2026

6 round-trip options

Returning

Sat, Apr 11, 2026•5 Day Trip

$790 USD

Google Flights

Returning

Sun, Apr 12, 2026•6 Day Trip

$1,120 USD

Google Flights

Returning

Tue, Apr 14, 2026•8 Day Trip

$423 USD

Google Flights

Returning

Sat, Apr 18, 2026•12 Day Trip

$402 USD

Google Flights

Returning

Sun, Apr 19, 2026•13 Day Trip

$441 USD

Google Flights

Returning

Mon, Apr 20, 2026•14 Day Trip

$471 USD

Google Flights