STL to KOA from $257 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Lambert-Saint Louis International Airport

St. Louis, United States

Kona International Airport

Kailua-Kona, United States

$404 USD

-36%$257 USD

Verified 2 days ago

September 2026

Mon

Tue

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Thu

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Sun

31$257 1$263 2$263 3$399 4$433 5$322 6$263 7$277 8$303 9$331 10$273 11$322 12$329 13$344 14$319 15$277 16$283 17$290 18$322 19$329 20$344 21$326 22$307 23$263 24$352 25$335 26$329 27$339 28$324 29$263 30$350 1$365 2$462 3$443 4$384

Limited Availability

18% of dates checked are available within 10% of the lowest price

Thursday, September 24th, 2026

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