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

September 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1$436 2$436 3$431 4$436 5$440 6$440 7$445 8$436 9$431 10$431 11$431 12$445 13$445 14$445 15$436 16$431 17$431 18$436 19$501 20$494 21$445 22$436 23$436 24$436 25$431 26$485 27$449 28$480 29$440 30$472 1$582 2$555 3$621 4$494 5$449

Fair Availability

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

Wednesday, September 10th, 2025

10 round-trip options

Returning

Mon, Sep 15, 2025•5 Day Trip

$431 USD

Google Flights

Returning

Tue, Sep 16, 2025•6 Day Trip

$431 USD

Google Flights

Returning

Wed, Sep 17, 2025•7 Day Trip

$431 USD

Google Flights

Returning

Thu, Sep 18, 2025•8 Day Trip

$431 USD

Google Flights

Returning

Fri, Sep 19, 2025•9 Day Trip

$477 USD

Google Flights

Returning

Sat, Sep 20, 2025•10 Day Trip

$537 USD

Google Flights

Returning

Sun, Sep 21, 2025•11 Day Trip

$440 USD

Google Flights

Returning

Mon, Sep 22, 2025•12 Day Trip

$431 USD

Google Flights

Returning

Tue, Sep 23, 2025•13 Day Trip

$431 USD

Google Flights

Returning

Wed, Sep 24, 2025•14 Day Trip

$436 USD

Google Flights