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

September 2025

Today

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Tue

Wed

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Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$958 22$928 23$891 24$891 25$891 26$909 27$874 28$839 29$865 30$872 1$872 2$872 3$970 4$854 5$794

Rare Availability

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

Sunday, September 21st, 2025

8 round-trip options

Returning

Fri, Sep 26, 2025•5 Day Trip

$1,028 USD

Google Flights

Returning

Sat, Sep 27, 2025•6 Day Trip

$983 USD

Google Flights

Returning

Sun, Sep 28, 2025•7 Day Trip

$1,023 USD

Google Flights

Returning

Mon, Sep 29, 2025•8 Day Trip

$958 USD

Google Flights

Returning

Tue, Sep 30, 2025•9 Day Trip

$958 USD

Google Flights

Returning

Wed, Oct 1, 2025•10 Day Trip

$1,040 USD

Google Flights

Returning

Thu, Oct 2, 2025•11 Day Trip

$958 USD

Google Flights

Returning

Sat, Oct 4, 2025•13 Day Trip

$1,450 USD

Google Flights