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

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$440 30$472 1$582 2$555 3$621 4$494 5$449 6$454 7$449 8$604 9$566 10$547 11$521 12$516 13$502 14$486 15$490 16$517 17$512 18$521 19$542 20$512 21$482 22$496 23$512 24$512 25$512 26$449 27$449 28$449 29$449 30$449 31$449 1$502 2$449

Fair Availability

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

Thursday, October 2nd, 2025

10 round-trip options

Returning

Tue, Oct 7, 2025•5 Day Trip

$572 USD

Google Flights

Returning

Wed, Oct 8, 2025•6 Day Trip

$572 USD

Google Flights

Returning

Thu, Oct 9, 2025•7 Day Trip

$555 USD

Google Flights

Returning

Fri, Oct 10, 2025•8 Day Trip

$558 USD

Google Flights

Returning

Sat, Oct 11, 2025•9 Day Trip

$650 USD

Google Flights

Returning

Sun, Oct 12, 2025•10 Day Trip

$585 USD

Google Flights

Returning

Mon, Oct 13, 2025•11 Day Trip

$555 USD

Google Flights

Returning

Tue, Oct 14, 2025•12 Day Trip

$572 USD

Google Flights

Returning

Wed, Oct 15, 2025•13 Day Trip

$572 USD

Google Flights

Returning

Thu, Oct 16, 2025•14 Day Trip

$628 USD

Google Flights