Washington (IAD) to Kailua-Kona (KOA) flight deal from $439 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

$609 USD

-28%$439 USD

Verified Nov 6, 2025 at 2:38 AM

December 2025

Today

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1$448 2$460 3$451 4$461 5$481 6$464 7$451 8$439 9$439 10$439 11$479 12$469 13$481 14$541 15$483 16$593 17$601 18$841 19$948 20$1,285 21$1,002 22$812 23$717 24$722 25$749 26$1,086 27$825 28$618 29$484 30$454 31$445 1 2 3 4

Fair Availability

24% of dates checked are available within 10% of the lowest price

Tuesday, December 23rd, 2025

10 round-trip options

Returning

Sun, Dec 28, 2025•5 Day Trip

$730 USD

Google Flights

Returning

Mon, Dec 29, 2025•6 Day Trip

$739 USD

Google Flights

Returning

Tue, Dec 30, 2025•7 Day Trip

$829 USD

Google Flights

Returning

Wed, Dec 31, 2025•8 Day Trip

$771 USD

Google Flights

Returning

Thu, Jan 1, 2026•9 Day Trip

$1,199 USD

Google Flights

Returning

Fri, Jan 2, 2026•10 Day Trip

$1,697 USD

Google Flights

Returning

Sat, Jan 3, 2026•11 Day Trip

$1,933 USD

Google Flights

Returning

Sun, Jan 4, 2026•12 Day Trip

$1,290 USD

Google Flights

Returning

Mon, Jan 5, 2026•13 Day Trip

$834 USD

Google Flights

Returning

Tue, Jan 6, 2026•14 Day Trip

$717 USD

Google Flights