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 agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
48% of dates checked are available within 10% of the lowest price
Tuesday, October 6th, 2026
Outbound Flights
16h 2m·2 stops
$223 USD
KOAOct 6 13:08
→LAXOct 6 21:30
UA 2372Boeing 737MAX 9 Passenger
3h 21m layover·Overnight
LAXOct 7 00:51
→IAHOct 7 06:11
UA 491Boeing 737MAX 9 Passenger
1h 49m layover
IAHOct 7 08:00
→STLOct 7 10:10
UA 6214Embraer 175
18h 35m·2 stops
$223 USDKOAOct 6 22:55
→SFOOct 7 07:01
UA 1724Boeing 757
3h 44m layover
SFOOct 7 10:45
→IAHOct 7 16:56
UA 1259Boeing 737MAX 9 Passenger
3h 19m layover
IAHOct 7 20:15
→STLOct 7 22:30
UA 1528Boeing 737MAX 8 Passenger
16h 41m·2 stops
$238 USDKOAOct 6 22:55
→SFOOct 7 07:01
UA 1724Boeing 757
3h 39m layover
SFOOct 7 10:40
→DENOct 7 14:24
UA 1604Boeing 757
3h 6m layover
DENOct 7 17:30
→STLOct 7 20:36
UA 1422Boeing 737
12h 42m·2 stops
$244 USDKOAOct 6 22:55
→SFOOct 7 07:01
UA 1724Boeing 757
1h 44m layover
SFOOct 7 08:45
→DENOct 7 12:36
UA 1469Boeing 757
54m layover
DENOct 7 13:30
→STLOct 7 16:37
UA 1639Airbus A319
13h 35m·2 stops
$317 USDKOAOct 6 19:35
→DENOct 7 06:23
UA 1759Boeing 757
1h 17m layover
DENOct 7 07:40
→IAHOct 7 11:08
UA 1720Boeing 757
50m layover
IAHOct 7 11:58
→STLOct 7 14:10
UA 2042Boeing 737MAX 8 Passenger
20h 1m·1 stop
$329 USDKOAOct 6 19:35
→DENOct 7 06:23
UA 1759Boeing 757
11h 7m layover
DENOct 7 17:30
→STLOct 7 20:36
UA 1422Boeing 737
12h 5m·1 stop
$338 USDKOAOct 6 19:35
→DENOct 7 06:23
UA 1759Boeing 757
3h 12m layover
DENOct 7 09:35
→STLOct 7 12:40
UA 652Airbus A319
14h 48m·1 stop
$338 USDKOAOct 6 22:55
→SFOOct 7 07:01
UA 1724Boeing 757
5h 44m layover
SFOOct 7 12:45
→STLOct 7 18:43
UA 1905Boeing 737