Cincinnati / Covington to St Louis (CVG–STL) — Airlines, Schedules & Connections

CVG Airport Page →
307 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 1 flight Verified 4h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
KII524
KII KII
734
8:22 AM
EDT
8:19 AM
CDT
0h 57m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Cincinnati / Covington to St Louis
1 carrier, 1 flights/week nonstop.
1 Airlines 1 Flights/wk 307 mi 0h 57m nonstop -1h behind 89 1-stop hubs

CVG–STL is served by 1 airline with nonstop service. KII leads the route. The flight covers 307 miles in approximately 0h 57m. Beyond nonstop, 89 hubs offer 1-stop connections.

Also explore CVG Routes STL Routes CVG Live Flights STL Live Flights CVG Delays STL Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop CVG–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
KII KII 1 734 0h57 90% – –
Aircraft on this route
734 Boeing 737-400 – KII
Alliance coverage
Unaffiliated: KII (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, CVG to STL direction.
Mon
1
flight
Tue
0
flights
Wed
0
flights
Thu
0
flights
Fri
0
flights
Sat
0
flights
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
1
Outbound / wk
0
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for CVG to STL.
1-STOP
One-Stop Connections
89
Hubs
~3h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,510
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Alternatives

Other ways to reach St Louis from Cincinnati / Covington

Nearby airports with service to St. Louis Lambert International Airport.
Metric CVG→STL LUK→STL DAY→STL
Distance from CVG – 14 mi 64 mi
Nonstop airlines 1 2 1
Weekly flights 1 – –
Flight time 0h 57m 23h 56m 1h 6m
Departure OTP 90% – –
Cincinnati (LUK) to St Louis flights · Dayton (DAY) to St Louis flights · Louisville (SDF) to St Louis flights
Airports within 200 miles of CVG with service to St. Louis Lambert International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1h
St Louis is 1 hour behind Cincinnati / Covington.
CVG: EDT · STL: CDT

When it's 6:00 PM in Cincinnati / Covington, it's 5:00 PM in St Louis.
Distance & Flight Time
307 mi / 495 km
Nonstop flight time is approximately 0h 57m.
Facts

CVG–STL Quick Facts

Key statistics for the Cincinnati / Covington to St Louis route.
Route details
Distance307 mi / 495 km
Flight time0h 57m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights1 out
1-stop connections89 hubs
Origin: CVG
Full nameCincinnati Northern Kentucky International Airport
IATA / ICAOCVG / KCVG
TimezoneAmerica/New_York
Passengers/yr9.0M
Elevation896 ft / 273 m
Destination: STL
Full nameSt. Louis Lambert International Airport
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
FAQ

Frequently Asked Questions

Common questions about CVG to STL flights.
Nonstop flights from Cincinnati Northern Kentucky International Airport to St. Louis Lambert International Airport take approximately 0h 57m. The route covers 307 miles.
1 airline operates nonstop service: KII.
There are approximately 1 nonstop flights per week from CVG to STL.
Yes, 1-stop connections are available through DSM, MCI, HHH, CHO, ROC, CID, CMH, MMU, PTK, OMA, GSO, PIT, DHN, TUL, PIE, JZI, CLE, PWA, TEB, HPN, ICT, BDL, EYW, OPF, HOU, AFW, JFK, APF, BED, TVC, PBI, MYR, TUS, SAT, YUL, CUN, YVR, VNY, MEM, SNA, SBD, VPS, SMF, AUS, PUJ, SJU, YYZ, DAY, DTW, MSY, ORD, DAL, CLT, BNA, SAV, MDW, IAD, DFW, MCO, MSP, RSW, CHS, ATL, EWR, IAH, DCA, LAS, MIA, PHX, RDU, SEA, SLC, LAX, BOS, BWI, PHL, FRA, DEN, SRQ, LGA, SFO, FLL, JAX, TPA, PDX, LHR, DPA, OKC and HND. These options provide additional schedule flexibility.
St Louis is 1 hour behind Cincinnati / Covington.
Yes, return flights from STL to CVG are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include LUK, DAY and SDF. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from CVG to STL

Cincinnati Northern Kentucky International Airport (CVG) and St. Louis Lambert International Airport (STL) are connected by nonstop service from KII. With 1 weekly departures, this is a regularly served route.

CVG to STL Flight Duration and Schedule

Nonstop flight time from CVG to STL ranges from 0 hours 57 minutes. The route covers a distance of 307 miles (495 km).

Connecting Options and Alternatives

89 one-stop connections are available, with the fastest taking approximately 3 hours via DSM. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Cincinnati (LUK), Dayton (DAY) and Louisville (SDF).