Honolulu (HNL) to San Juan (SJU) cheap flight deal from $549 USD in economy class

UAUnited Airlines

Round Trip•Economy

HNL

Honolulu International Airport

Honolulu, United States

SJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

$879 USD

-38%$549 USD

Verified about 17 hours ago

September 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1$699 2$667 3$667 4$667 5$646 6$692 7$592 8$592 9$664 10$667 11$667 12$646 13$646 14$646 15$549 16$549 17$667 18$549 19$592 20$673 21$549 22$549 23$549 24$549 25$549 26$549 27$592 28$592 29$549 30$549 1$549 2$592 3$556 4$699 5$580

Fair Availability

22% of dates checked are available within 10% of the lowest price

Saturday, September 13th, 2025

7 round-trip options

Returning

Thu, Sep 18, 2025•5 Day Trip

$646 USD

Google Flights

Returning

Fri, Sep 19, 2025•6 Day Trip

$673 USD

Google Flights

Returning

Sat, Sep 20, 2025•7 Day Trip

$673 USD

Google Flights

Returning

Sun, Sep 21, 2025•8 Day Trip

$680 USD

Google Flights

Returning

Mon, Sep 22, 2025•9 Day Trip

$673 USD

Google Flights

Returning

Tue, Sep 23, 2025•10 Day Trip

$673 USD

Google Flights

Returning

Wed, Sep 24, 2025•11 Day Trip

$673 USD

Google Flights