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

UAUnited Airlines

Round Trip•Economy

SJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

BUF

Buffalo Niagara International Airport

Buffalo, United States

$518 USD

-62%$195 USD

Verified Nov 29, 2025 at 7:23 AM

February 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

26 27 28 29 30 31 1$436 2$327 3$283 4$259 5$195 6$353 7$393 8$423 9$428 10$257 11$249 12$211 13$211 14$282 15$323 16$444 17$444 18$290 19$290 20$496 21$611 22$665 23$444 24$327 25$211 26$296 27$257 28$355 1$362

Extremely Rare Availability

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

Sunday, February 1st, 2026

10 round-trip options

Returning

Fri, Feb 6, 2026•5 Day Trip

$622 USD

Google Flights

Returning

Sat, Feb 7, 2026•6 Day Trip

$555 USD

Google Flights

Returning

Sun, Feb 8, 2026•7 Day Trip

$436 USD

Google Flights

Returning

Mon, Feb 9, 2026•8 Day Trip

$587 USD

Google Flights

Returning

Tue, Feb 10, 2026•9 Day Trip

$436 USD

Google Flights

Returning

Wed, Feb 11, 2026•10 Day Trip

$703 USD

Google Flights

Returning

Thu, Feb 12, 2026•11 Day Trip

$768 USD

Google Flights

Returning

Fri, Feb 13, 2026•12 Day Trip

$1,042 USD

Google Flights

Returning

Sat, Feb 14, 2026•13 Day Trip

$950 USD

Google Flights

Returning

Sun, Feb 15, 2026•14 Day Trip

$687 USD

Google Flights