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 0 flights Verified 12h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Cincinnati / Covington to St Louis
1 carrier, 1 flights/week nonstop.
1 Airlines 1 Flights/wk 307 mi 1h 3m nonstop 58 1-stop hubs

CVG–STL is served by 1 airline with nonstop service. KII leads the route. The flight covers 307 miles in approximately 1h 3m. Beyond nonstop, 58 hubs offer 1-stop connections.

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 30%
Alliance coverage
Unaffiliated: KII (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for CVG to STL.
1-STOP
One-Stop Connections
58
Hubs
~3h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,398
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.

On-Time Performance

What to expect at each end of your journey.
Outbound
CVG → STL
30%
Frequent delays expected. Consider flexible booking.
Departing
30%
Arriving
90%
Return
STL → CVG
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
72%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. CVG delays → STL delays →

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 1 1
Weekly flights 1 1
Flight time 1h 3m 23h 56m 1h 6m
Departure OTP 30%
Airports within 200 miles of CVG with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
St Louis is 0 hours the same as Cincinnati / Covington.
CVG: EDT · STL: EDT

When it's 6:00 PM in Cincinnati / Covington, it's 6:00 PM in St Louis.
Distance & Flight Time
307 mi / 495 km
Nonstop flight time is approximately 1h 3m.

CVG–STL Quick Facts

Key statistics for the Cincinnati / Covington to St Louis route.
Route details
Distance307 mi / 495 km
Flight time1h 3m
Time difference0 hours
Airlines (nonstop)1
Weekly flights1 out
1-stop connections58 hubs
Origin: CVG
IATA / ICAOCVG / KCVG
TimezoneAmerica/Indiana/Vevay
Passengers/yr9.0M
Elevation896 ft / 273 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m

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 1h 3m. 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 MCI, TEB, BDL, TUL, PIE, OKC, JZI, AFW, MYR, CHS, YUL, DAL, EYW, PBI, SMF, CUN, SJU, SFO, AUS, SBD, SAV, PUJ, MSY, MEM, BNA, MDW, ORD, DFW, IAD, DTW, PHL, MCO, ATL, IAH, BWI, DCA, EWR, RSW, MIA, LAX, YYZ, MSP, CLT, RDU, FRA, PHX, TPA, FLL, LAS, DEN, LGA, SRQ, SLC, BOS, JAX, VPS, SEA and HND. These options provide additional schedule flexibility.
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 IND. 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 1 hours 3 minutes. The route covers a distance of 307 miles (495 km).

Connecting Options and Alternatives

58 one-stop connections are available, with the fastest taking approximately 3 hours via MCI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Cincinnati (LUK), Dayton (DAY) and Indianapolis (IND).