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

STL Airport Page →
307 mi airlines 0/wk
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Flight Schedule 1 flight Verified 3w ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
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KII524
KII KII
734
8:14 AM
EDT
8:07 AM+1
EDT
23h 53m
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Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
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St Louis to Cincinnati / Covington
Connecting service available through multiple hubs.
1 Airlines 307 mi 2h 10m nonstop 59 1-stop hubs

STL–CVG is served by 1 airline with nonstop service. American Airlines leads the route. The flight covers 307 miles in approximately 2h 10m. Beyond nonstop, 59 hubs offer 1-stop connections.

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

Airline Landscape

All carriers operating nonstop STL–CVG service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AA American Airlines 0 – – 68% Oneworld –
Alliance coverage
Oneworld: AA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to CVG.
1-STOP
One-Stop Connections
59
Hubs
~3h
Fastest
~29h
Longest
DAY ~3h 12m IND ~3h 25m OMA ~4h 0m CMH ~4h 4m MSN ~4h 16m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,372
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
STL → CVG
68%
Moderate delays possible. Allow buffer time.
Departing
68%
Arriving
55%
Return
CVG → STL
62%
Moderate delays possible. Allow buffer time.
Departing
62%
Arriving
73%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. STL delays → CVG delays →
Know before you go

Travel Essentials

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

When it's 6:00 PM in St Louis, it's 6:00 PM in Cincinnati / Covington.
Distance & Flight Time
307 mi / 495 km
Nonstop flight time is approximately 2h 10m.
Facts

STL–CVG Quick Facts

Key statistics for the St Louis to Cincinnati / Covington route.
Route details
Distance307 mi / 495 km
Flight time2h 10m
Time difference0 hours
Airlines (nonstop)1
1-stop connections59 hubs
Origin: STL
Full nameSt. Louis Lambert International Airport
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: CVG
Full nameCincinnati Northern Kentucky International Airport
IATA / ICAOCVG / KCVG
TimezoneAmerica/Indiana/Vevay
Passengers/yr9.0M
Elevation896 ft / 273 m
FAQ

Frequently Asked Questions

Common questions about STL to CVG flights.
Nonstop flights from St. Louis Lambert International Airport to Cincinnati Northern Kentucky International Airport take approximately 2h 10m. The route covers 307 miles.
1 airline operates nonstop service: American Airlines.
Yes, 1-stop connections are available through DAY, IND, OMA, CMH, MSN, RDU, PIT, MKE, ABE, MYR, DSM, YYZ, RIC, BDL, APF, ELP, CUN, IAD, SMF, SBD, SFO, VPS, MCI, ATL, BNA, MDW, MIA, PHL, ORD, BWI, MSP, SAV, CLT, CHS, DTW, DFW, MSY, IAH, DEN, AUS, FLL, MCO, RSW, JAX, LGA, LAS, BOS, DCA, TPA, FRA, EWR, LAX, SRQ, PHX, SLC, SEA, PBI, PUJ and SJU. These options provide additional schedule flexibility.
Yes, return flights from CVG to STL are available. Use the direction toggle at the top to view the return schedule.
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 STL to CVG

St. Louis Lambert International Airport (STL) and Cincinnati Northern Kentucky International Airport (CVG) are connected by nonstop service from American Airlines.

STL to CVG Flight Duration and Schedule

Nonstop flight time from STL to CVG ranges from 2 hours 10 minutes. The route covers a distance of 307 miles (495 km).

Connecting Options and Alternatives

59 one-stop connections are available, with the fastest taking approximately 3 hours via DAY. Two-stop connections are also available via intermediate hubs.