Kailua-Kona (KOA) to St. Louis (STL) flight deal in economy from $242
KOAKona International Airport
Kailua-Kona, United States
STLLambert-Saint Louis International Airport
St. Louis, United States
$328 USD
-26%$242 USD
Verified 19 days agoSeptember 2026
Mon
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Good Availability
48% of dates checked are available within 10% of the lowest price
Monday, September 28th, 2026
Outbound Flights
12h 5m·1 stop
$262 USD
KOASep 28 19:35
→DENSep 29 06:23
UA 1759Boeing 757
3h 12m layover
DENSep 29 09:35
→STLSep 29 12:40
UA 652Airbus A320
16h 2m·2 stops
$268 USDKOASep 28 13:08
→LAXSep 28 21:30
UA 2372Boeing 737MAX 9 Passenger
3h 21m layover·Overnight
LAXSep 29 00:51
→IAHSep 29 06:11
UA 491Boeing 737MAX 9 Passenger
1h 49m layover
IAHSep 29 08:00
→STLSep 29 10:10
UA 6214Embraer 175
12h 42m·2 stops
$268 USDKOASep 28 22:55
→SFOSep 29 07:01
UA 1724Boeing 757
1h 44m layover
SFOSep 29 08:45
→DENSep 29 12:36
UA 1469Boeing 757
54m layover
DENSep 29 13:30
→STLSep 29 16:37
UA 1639Airbus A319
14h 48m·1 stop
$324 USDKOASep 28 22:55
→SFOSep 29 07:01
UA 1724Boeing 757
5h 44m layover
SFOSep 29 12:45
→STLSep 29 18:43
UA 1905Boeing 737MAX 8 Passenger