Kailua-Kona (KOA) to Washington (IAD) flight deal from $504 USD in economy class

UAUnited Airlines

Round Trip•Economy

KOA

Kona International Airport

Kailua-Kona, United States

IAD

Washington Dulles International Airport

Washington, United States

$714 USD

-29%$504 USD

Verified Mar 23, 2026 at 5:23 PM

March 2026

Today

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23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23$667 24$661 25$661 26$641 27$671 28$671 29$660 30$627 31$627 1$627 2$615 3$762 4$893 5$891

Rare Availability

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

Friday, March 27th, 2026

6 round-trip options

Returning

Wed, Apr 1, 2026•5 Day Trip

$778 USD

Google Flights

Returning

Thu, Apr 2, 2026•6 Day Trip

$900 USD

Google Flights

Returning

Fri, Apr 3, 2026•7 Day Trip

$793 USD

Google Flights

Returning

Sat, Apr 4, 2026•8 Day Trip

$759 USD

Google Flights

Returning

Sun, Apr 5, 2026•9 Day Trip

$697 USD

Google Flights

Returning

Thu, Apr 9, 2026•13 Day Trip

$671 USD

Google Flights