Washington (IAD) to Kailua-Kona (KOA) cheap flight deal from $431 USD in economy class

UAUnited Airlines

Round Trip•Economy

IAD

Washington Dulles International Airport

Washington, United States

KOA

Kona International Airport

Kailua-Kona, United States

$1,245 USD

-65%$431 USD

Verified 2 days ago

July 2025

Today

Mon

Tue

Wed

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Fri

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Sun

30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16$583 17$555 18$555 19$530 20$593 21$618 22$593 23$593 24$655 25$598 26$598 27$598 28$613 29$613 30$529 31$554 1$559 2$694 3$603

Fair Availability

26% of dates checked are available within 10% of the lowest price

Friday, July 18th, 2025

10 round-trip options

Returning

Wed, Jul 23, 2025•5 Day Trip

$572 USD

Google Flights

Returning

Thu, Jul 24, 2025•6 Day Trip

$623 USD

Google Flights

Returning

Fri, Jul 25, 2025•7 Day Trip

$580 USD

Google Flights

Returning

Sat, Jul 26, 2025•8 Day Trip

$613 USD

Google Flights

Returning

Sun, Jul 27, 2025•9 Day Trip

$613 USD

Google Flights

Returning

Mon, Jul 28, 2025•10 Day Trip

$640 USD

Google Flights

Returning

Tue, Jul 29, 2025•11 Day Trip

$32,830 USD

Google Flights

Returning

Wed, Jul 30, 2025•12 Day Trip

$606 USD

Google Flights

Returning

Thu, Jul 31, 2025•13 Day Trip

$703 USD

Google Flights

Returning

Fri, Aug 1, 2025•14 Day Trip

$555 USD

Google Flights