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 20 hours ago

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$549 30$549 1$549 2$592 3$556 4$699 5$580 6$549 7$549 8$613 9$646 10$592 11$670 12$616 13$573 14$549 15$549 16$549 17$556 18$556 19$573 20$549 21$549 22$573 23$549 24$549 25$692 26$573 27$549 28$549 29$549 30$596 31$549 1$573 2$549

Fair Availability

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

Tuesday, October 21st, 2025

7 round-trip options

Returning

Sun, Oct 26, 2025•5 Day Trip

$798 USD

Google Flights

Returning

Mon, Oct 27, 2025•6 Day Trip

$549 USD

Google Flights

Returning

Tue, Oct 28, 2025•7 Day Trip

$549 USD

Google Flights

Returning

Wed, Oct 29, 2025•8 Day Trip

$549 USD

Google Flights

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Thu, Oct 30, 2025•9 Day Trip

$549 USD

Google Flights

Returning

Fri, Oct 31, 2025•10 Day Trip

$549 USD

Google Flights

Returning

Sat, Nov 1, 2025•11 Day Trip

$549 USD

Google Flights