San Francisco (SFO) to San Juan (SJU) cheap flight deal from $356 USD in economy class

B6JetBlue Airways

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

SJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

$592 USD

-40%$356 USD

Verified Sep 20, 2025 at 7:33 PM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$587 30$588 1$560 2$528 3$517 4$409 5$475 6$425 7$409 8$448 9$669 10$566 11$413 12$505 13$420 14$404 15$436 16$556 17$505 18$356 19$413 20$356 21$356 22$356 23$545 24$413 25$356 26$408 27$356 28$356 29$356 30$455 31$406 1 2

Limited Availability

16% of dates checked are available within 10% of the lowest price

Thursday, October 2nd, 2025

10 round-trip options

Returning

Tue, Oct 7, 2025•5 Day Trip

$613 USD

Google Flights

Returning

Wed, Oct 8, 2025•6 Day Trip

$613 USD

Google Flights

Returning

Thu, Oct 9, 2025•7 Day Trip

$735 USD

Google Flights

Returning

Fri, Oct 10, 2025•8 Day Trip

$766 USD

Google Flights

Returning

Sat, Oct 11, 2025•9 Day Trip

$677 USD

Google Flights

Returning

Sun, Oct 12, 2025•10 Day Trip

$877 USD

Google Flights

Returning

Mon, Oct 13, 2025•11 Day Trip

$828 USD

Google Flights

Returning

Tue, Oct 14, 2025•12 Day Trip

$628 USD

Google Flights

Returning

Wed, Oct 15, 2025•13 Day Trip

$582 USD

Google Flights

Returning

Thu, Oct 16, 2025•14 Day Trip

$528 USD

Google Flights