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

$604 USD

-29%$431 USD

Verified about 2 hours ago

July 2025

Today

Mon

Tue

Wed

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Sun

30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18$613 19$550 20$613 21$618 22$613 23$525 24$613 25$630 26$630 27$636 28$630 29$485 30$571 31$571 1$577 2$610 3$600

Fair Availability

28% of dates checked are available within 10% of the lowest price

Sunday, July 20th, 2025

10 round-trip options

Returning

Fri, Jul 25, 2025•5 Day Trip

$613 USD

Google Flights

Returning

Sat, Jul 26, 2025•6 Day Trip

$613 USD

Google Flights

Returning

Sun, Jul 27, 2025•7 Day Trip

$675 USD

Google Flights

Returning

Mon, Jul 28, 2025•8 Day Trip

$638 USD

Google Flights

Returning

Tue, Jul 29, 2025•9 Day Trip

$613 USD

Google Flights

Returning

Wed, Jul 30, 2025•10 Day Trip

$675 USD

Google Flights

Returning

Thu, Jul 31, 2025•11 Day Trip

$740 USD

Google Flights

Returning

Fri, Aug 1, 2025•12 Day Trip

$714 USD

Google Flights

Returning

Sat, Aug 2, 2025•13 Day Trip

$714 USD

Google Flights

Returning

Sun, Aug 3, 2025•14 Day Trip

$655 USD

Google Flights