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 1 day ago

June 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2$394 3$338 4$338 5$408 6$445 7$408 8$338 9$332 10$338 11$338 12$402 13$408 14$426 15$399 16$338 17$399 18$406 19$418 20$445 21$416 22$343 23$293 24$355 25$358 26$418 27$439 28$349 29$349 30$389 1$389 2$404 3$378 4$322 5$484

Limited Availability

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

Monday, June 1st, 2026

No flight details available for this date.