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

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$476 30$508 1$577 2$502 3$653 4$491 5$454 6$454 7$454 8$550 9$566 10$554 11$491 12$521 13$502 14$476 15$483 16$517 17$522 18$539 19$579 20$491 21$472 22$486 23$512 24$512 25$491 26$449 27$449 28$449 29$449 30$449 31$449 1$488 2$449

Fair Availability

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

Friday, October 10th, 2025

10 round-trip options

Returning

Wed, Oct 15, 2025•5 Day Trip

$582 USD

Google Flights

Returning

Thu, Oct 16, 2025•6 Day Trip

$592 USD

Google Flights

Returning

Fri, Oct 17, 2025•7 Day Trip

$592 USD

Google Flights

Returning

Sat, Oct 18, 2025•8 Day Trip

$640 USD

Google Flights

Returning

Sun, Oct 19, 2025•9 Day Trip

$620 USD

Google Flights

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Mon, Oct 20, 2025•10 Day Trip

$554 USD

Google Flights

Returning

Tue, Oct 21, 2025•11 Day Trip

$554 USD

Google Flights

Returning

Wed, Oct 22, 2025•12 Day Trip

$588 USD

Google Flights

Returning

Thu, Oct 23, 2025•13 Day Trip

$554 USD

Google Flights

Returning

Fri, Oct 24, 2025•14 Day Trip

$597 USD

Google Flights