San Juan (SJU) to Buffalo (BUF) cheap flight deal from $225 USD in economy class

WNSouthwest Airlines

Round Trip•Economy

SJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

BUF

Buffalo Niagara International Airport

Buffalo, United States

$477 USD

-53%$225 USD

Verified Sep 21, 2025 at 3:36 PM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$422 30$318 1$309 2$309 3$333 4$289 5$385 6$385 7$281 8$262 9$281 10$262 11$346 12$385 13$460 14$460 15$281 16$281 17$305 18$385 19$446 20$355 21$281 22$225 23$225 24$225 25$225 26$261 27$305 28$261 29$281 30$225 31$225 1 2

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Friday, October 10th, 2025

10 round-trip options

Returning

Wed, Oct 15, 2025•5 Day Trip

$342 USD

Google Flights

Returning

Thu, Oct 16, 2025•6 Day Trip

$342 USD

Google Flights

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Fri, Oct 17, 2025•7 Day Trip

$422 USD

Google Flights

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Sat, Oct 18, 2025•8 Day Trip

$298 USD

Google Flights

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Sun, Oct 19, 2025•9 Day Trip

$262 USD

Google Flights

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Mon, Oct 20, 2025•10 Day Trip

$262 USD

Google Flights

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Tue, Oct 21, 2025•11 Day Trip

$262 USD

Google Flights

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Wed, Oct 22, 2025•12 Day Trip

$298 USD

Google Flights

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Thu, Oct 23, 2025•13 Day Trip

$262 USD

Google Flights

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Fri, Oct 24, 2025•14 Day Trip

$262 USD

Google Flights