Honolulu (HNL) to San Juan (SJU) cheap flight deal from $579 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

$870 USD

-33%$579 USD

Verified Sep 21, 2025 at 12:21 PM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$865 30$872 1$872 2$872 3$970 4$854 5$794 6$715 7$715 8$751 9$914 10$900 11$942 12$716 13$673 14$684 15$717 16$768 17$642 18$750 19$618 20$579 21$579 22$697 23$697 24$615 25$661 26$661 27$579 28$579 29$658 30$628 31$612 1 2

Rare Availability

9% of dates checked are available within 10% of the lowest price

Monday, October 20th, 2025

7 round-trip options

Returning

Sat, Oct 25, 2025•5 Day Trip

$588 USD

Google Flights

Returning

Sun, Oct 26, 2025•6 Day Trip

$804 USD

Google Flights

Returning

Mon, Oct 27, 2025•7 Day Trip

$633 USD

Google Flights

Returning

Tue, Oct 28, 2025•8 Day Trip

$579 USD

Google Flights

Returning

Wed, Oct 29, 2025•9 Day Trip

$579 USD

Google Flights

Returning

Thu, Oct 30, 2025•10 Day Trip

$579 USD

Google Flights

Returning

Fri, Oct 31, 2025•11 Day Trip

$594 USD

Google Flights