St. Louis (STL) to Kailua-Kona (KOA) flight deal from $444 USD in economy class

UAUnited Airlines

Round Trip•Economy

STL

Lambert-Saint Louis International Airport

St. Louis, United States

KOA

Kona International Airport

Kailua-Kona, United States

$672 USD

-34%$444 USD

Verified Mar 31, 2026 at 5:33 PM

April 2026

Today

Mon

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Sun

30 31$651 1$534 2$534 3$644 4$604 5$604 6$534 7$514 8$514 9$514 10$584 11$584 12$584 13$563 14$514 15$514 16$514 17$584 18$584 19$559 20$495 21$475 22$469 23$489 24$559 25$559 26$469 27$469 28$469 29$469 30$489 1 2 3

Rare Availability

7% of dates checked are available within 10% of the lowest price

Saturday, April 25th, 2026

10 round-trip options

Returning

Thu, Apr 30, 2026•5 Day Trip

$604 USD

Google Flights

Returning

Fri, May 1, 2026•6 Day Trip

$584 USD

Google Flights

Returning

Sat, May 2, 2026•7 Day Trip

$614 USD

Google Flights

Returning

Sun, May 3, 2026•8 Day Trip

$629 USD

Google Flights

Returning

Mon, May 4, 2026•9 Day Trip

$576 USD

Google Flights

Returning

Tue, May 5, 2026•10 Day Trip

$565 USD

Google Flights

Returning

Wed, May 6, 2026•11 Day Trip

$559 USD

Google Flights

Returning

Thu, May 7, 2026•12 Day Trip

$622 USD

Google Flights

Returning

Fri, May 8, 2026•13 Day Trip

$611 USD

Google Flights

Returning

Sat, May 9, 2026•14 Day Trip

$614 USD

Google Flights