Kailua-Kona (KOA) to St. Louis (STL) flight deal in economy from $242

UAUnited Airlines

One Way•Economy

KOA

Kona International Airport

Kailua-Kona, United States

STL

Lambert-Saint Louis International Airport

St. Louis, United States

$328 USD

-26%$242 USD

Verified 19 days ago

January 2027

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28$52829$55030$55531$5551$8682$1,3533$1,1034$7785$5586$4377$4388$4389$43810$38811$24812$24213$24214$24215$24816$24817$30718$31719$24820$24221$24222$34423$43224$30125$24226$24227$24228$24229$30930$34431$301

Good Availability

48% of dates checked are available within 10% of the lowest price

Friday, January 29th, 2027

Outbound Flights

12h 18m·1 stop

$309 USD

KOAJan 29 20:25

→

DENJan 30 06:25

UA 1759Boeing 757

3h 20m layover

DENJan 30 09:45

→

STLJan 30 12:43

UA 652Boeing 737

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