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

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United Airlines

UAUnited Airlines

Round Trip•Economy

Lihue Airport

Lihue, Kauai, United States

Washington Dulles International Airport

Washington, United States

$691 USD

-36%$445 USD

Verified Nov 29, 2025 at 6:06 AM

February 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

26$450 27$445 28$445 29$450 30$475 31$544 1$505 2$475 3$483 4$499 5$500 6$466 7$480 8$480 9$450 10$445 11$445 12$445 13$475 14$500 15$574 16$549 17$445 18$445 19$445 20$603 21$742 22$717 23$530 24$509 25$445 26$480 27$505 28$499 1

Fair Availability

20% of dates checked are available within 10% of the lowest price

Sunday, February 1st, 2026

5 round-trip options

Returning

Fri, Feb 6, 2026•5 Day Trip

$540 USD

Returning

Sat, Feb 7, 2026•6 Day Trip

$505 USD

Returning

Sun, Feb 8, 2026•7 Day Trip

$513 USD

Returning

Mon, Feb 9, 2026•8 Day Trip

$519 USD

Returning

Tue, Feb 10, 2026•9 Day Trip

$530 USD