Washington (IAD) to Kailua-Kona (KOA) flight deal in economy from $508
IADWashington Dulles International Airport
Washington, United States
KOAKona International Airport
Kailua-Kona, United States
$720 USD
-29%$508 USD
Verified 14 days agoAugust 2026
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Fair Availability
22% of dates checked are available within 10% of the lowest price
Friday, August 7th, 2026
8 round-trip options
Returning
Fri, Aug 14, 2026•7 Day Trip
$845 USD
Returning
Sat, Aug 15, 2026•8 Day Trip
$847 USD
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Sun, Aug 16, 2026•9 Day Trip
$724 USD
Returning
Mon, Aug 17, 2026•10 Day Trip
$648 USD
Returning
Tue, Aug 18, 2026•11 Day Trip
$642 USD
Returning
Wed, Aug 19, 2026•12 Day Trip
$587 USD
Returning
Thu, Aug 20, 2026•13 Day Trip
$587 USD
Returning
Fri, Aug 21, 2026•14 Day Trip
$617 USD