Kailua-Kona (KOA) to Boston (BOS) flight deal from $476 USD in economy class

UAUnited Airlines

Round Trip•Economy

KOA

Kona International Airport

Kailua-Kona, United States

BOS

Logan International Airport

Boston, United States

$765 USD

-38%$476 USD

Verified Mar 27, 2026 at 4:14 PM

April 2026

Today

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Sun

30$560 31$560 1$560 2$560 3$612 4$606 5$628 6$560 7$560 8$560 9$591 10$653 11$1,187 12$871 13$553 14$547 15$547 16$553 17$568 18$533 19$533 20$505 21$505 22$511 23$566 24$584 25$680 26$689 27$487 28$476 29$476 30$525 1 2 3

Rare Availability

5% of dates checked are available within 10% of the lowest price

Tuesday, April 14th, 2026

6 round-trip options

Returning

Sun, Apr 19, 2026•5 Day Trip

$605 USD

Google Flights

Returning

Mon, Apr 20, 2026•6 Day Trip

$562 USD

Google Flights

Returning

Tue, Apr 21, 2026•7 Day Trip

$639 USD

Google Flights

Returning

Wed, Apr 22, 2026•8 Day Trip

$547 USD

Google Flights

Returning

Thu, Apr 23, 2026•9 Day Trip

$547 USD

Google Flights

Returning

Fri, Apr 24, 2026•10 Day Trip

$575 USD

Google Flights