Washington (IAD) to Lihue, Kauai (LIH) flight deal from $445 USD in economy class

UAUnited Airlines

Round Trip•Economy

IAD

Washington Dulles International Airport

Washington, United States

LIH

Lihue Airport

Lihue, Kauai, United States

$731 USD

-39%$445 USD

Verified Nov 29, 2025 at 6:03 AM

January 2026

Today

Mon

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Wed

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Sun

29$644 30$572 31$445 1$445 2$480 3$475 4$475 5$445 6$491 7$488 8$507 9$510 10$475 11$475 12$445 13$492 14$445 15$512 16$510 17$475 18$483 19$445 20$445 21$445 22$445 23$510 24$475 25$483 26$445 27$445 28$507 29$445 30$510 31$475 1

Limited Availability

11% of dates checked are available within 10% of the lowest price

Saturday, January 31st, 2026

10 round-trip options

Returning

Thu, Feb 5, 2026•5 Day Trip

$475 USD

Google Flights

Returning

Fri, Feb 6, 2026•6 Day Trip

$505 USD

Google Flights

Returning

Sat, Feb 7, 2026•7 Day Trip

$510 USD

Google Flights

Returning

Sun, Feb 8, 2026•8 Day Trip

$505 USD

Google Flights

Returning

Mon, Feb 9, 2026•9 Day Trip

$475 USD

Google Flights

Returning

Tue, Feb 10, 2026•10 Day Trip

$475 USD

Google Flights

Returning

Wed, Feb 11, 2026•11 Day Trip

$475 USD

Google Flights

Returning

Thu, Feb 12, 2026•12 Day Trip

$475 USD

Google Flights

Returning

Fri, Feb 13, 2026•13 Day Trip

$505 USD

Google Flights

Returning

Sat, Feb 14, 2026•14 Day Trip

$539 USD

Google Flights