Kailua-Kona (KOA) to Washington (IAD) cheap flight deal from $437 USD in economy class – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Kona International Airport

Kailua-Kona, United States

Washington Dulles International Airport

Washington, United States

$609 USD

-28%$437 USD

Verified Sep 20, 2025 at 2:48 PM

September 2025

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20$570 21$570 22$540 23$540 24$540 25$520 26$510 27$496 28$500 29$496 30$496 1$546 2$547 3$541 4$521 5$511

Fair Availability

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

Sunday, September 28th, 2025

5 round-trip options

Returning

Fri, Oct 3, 2025•5 Day Trip

$531 USD

Returning

Sat, Oct 4, 2025•6 Day Trip

$511 USD

Returning

Sun, Oct 5, 2025•7 Day Trip

$500 USD

Returning

Mon, Oct 6, 2025•8 Day Trip

$550 USD

Returning

Tue, Oct 7, 2025•9 Day Trip

$573 USD