Kailua-Kona (KOA) to Washington (DCA) flight deal from $445 USD in economy class

UAUnited Airlines

Round Trip•Economy

KOA

Kona International Airport

Kailua-Kona, United States

DCA

Ronald Reagan Washington National Airport

Washington, United States

$646 USD

-31%$445 USD

Verified Nov 30, 2025 at 10:45 PM

March 2026

Today

Mon

Tue

Wed

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Sun

23$450 24$450 25$450 26$450 27$472 28$472 1$472 2$445 3$445 4$450 5$450 6$504 7$569 8$495 9$467 10$472 11 12 13 14$1,230 15$830 16 17 18 19 20 21 22 23 24$495 25 26 27 28 29 30 31 1 2 3 4 5

Fair Availability

33% of dates checked are available within 10% of the lowest price

Tuesday, March 10th, 2026

6 round-trip options

Returning

Sun, Mar 15, 2026•5 Day Trip

$626 USD

Google Flights

Returning

Mon, Mar 16, 2026•6 Day Trip

$472 USD

Google Flights

Returning

Tue, Mar 17, 2026•7 Day Trip

$482 USD

Google Flights

Returning

Wed, Mar 18, 2026•8 Day Trip

$506 USD

Google Flights

Returning

Thu, Mar 19, 2026•9 Day Trip

$614 USD

Google Flights

Returning

Mon, Mar 23, 2026•13 Day Trip

$690 USD

Google Flights