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

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United Airlines

UAUnited Airlines

One Way•Economy

Kona International Airport

Kailua-Kona, United States

Lambert-Saint Louis International Airport

St. Louis, United States

$388 USD

-34%$257 USD

Verified 1 day ago

September 2026

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Sun

31$273 1$257 2$257 3$303 4$257 5$316 6$322 7$273 8$308 9$317 10$283 11$263 12$382 13$343 14$294 15$257 16$263 17$277 18$349 19$382 20$322 21$267 22$257 23$263 24$283 25$309 26$322 27$378 28$267 29$257 30$317 1$360 2$283 3$389 4$382

Fair Availability

25% of dates checked are available within 10% of the lowest price

Thursday, September 10th, 2026

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