Ontario to Cincinnati / Covington (ONT–CVG) — Airlines, Schedules & Connections

ONT Airport Page →
1,850 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 1 flight Verified 2d ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
←
AS2605
AS Alaska
333
1:10 AM
EDT
3:04 AM
PDT
4h 54m
—
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
Ontario to Cincinnati / Covington
1 carrier, 1 flights/week nonstop.
1 Airlines 1 Flights/wk 1,850 mi 3h 35m nonstop +3h ahead 34 1-stop hubs

ONT–CVG is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 1,850 miles in approximately 3h 35m. Beyond nonstop, 34 hubs offer 1-stop connections.

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

Airline Landscape

All carriers operating nonstop ONT–CVG service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 1 – – 88% Oneworld –
Alliance coverage
Oneworld: AS (1 flights/wk, 100%)
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 ONT to CVG.
1-STOP
One-Stop Connections
34
Hubs
~5h
Fastest
~25h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,087
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 Cincinnati / Covington from Ontario

Nearby airports with service to Cincinnati Northern Kentucky International Airport.
Metric ONT→CVG SBD→CVG SNA→CVG
Distance from ONT – 21 mi 30 mi
Nonstop airlines 1 2 1
Weekly flights 1 1 2
Flight time 3h 35m 3h 32m 4h 14m
Departure OTP 88% – –
San Bernardino (SBD) to Cincinnati / Covington flights · Santa Ana (SNA) to Cincinnati / Covington flights · Long Beach (LGB) to Cincinnati / Covington flights
Airports within 200 miles of ONT with service to Cincinnati Northern Kentucky International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+3h
Cincinnati / Covington is 3 hours ahead of Ontario.
ONT: PDT · CVG: EDT

When it's 6:00 PM in Ontario, it's 9:00 PM in Cincinnati / Covington.
Distance & Flight Time
1,850 mi / 2,977 km
Nonstop flight time is approximately 3h 35m.
Facts

ONT–CVG Quick Facts

Key statistics for the Ontario to Cincinnati / Covington route.
Route details
Distance1,850 mi / 2,977 km
Flight time3h 35m
Time difference+3 hours
Airlines (nonstop)1
Weekly flights1 out / 4 return
1-stop connections34 hubs
Origin: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: CVG
Full nameCincinnati Northern Kentucky International Airport
IATA / ICAOCVG / KCVG
TimezoneAmerica/New_York
Passengers/yr9.0M
Elevation896 ft / 273 m
FAQ

Frequently Asked Questions

Common questions about ONT to CVG flights.
Nonstop flights from Ontario International Airport to Cincinnati Northern Kentucky International Airport take approximately 3h 35m. The route covers 1,850 miles.
1 airline operates nonstop service: Alaska Airlines.
There are approximately 1 nonstop flights per week from ONT to CVG. The return direction has about 4 weekly flights.
Yes, 1-stop connections are available through ILN, VNY, DAL, SMF, SNA, BOI, OKC, ABE, SAV, GDL, HPN, MCO, EWR, MIA, FLL, BWI, PDX, SLC, MDW, ANC, JFK, ORD, HNL, CLT, LAS, ATL, DFW, DEN, IAH, PHX, SEA, BNA, SFO and AUS. These options provide additional schedule flexibility.
Cincinnati / Covington is 3 hours ahead of Ontario.
Yes, return flights from CVG to ONT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SBD, SNA and LGB. 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 ONT to CVG

Ontario International Airport (ONT) and Cincinnati Northern Kentucky International Airport (CVG) are connected by nonstop service from Alaska Airlines. With 1 weekly departures, this is a regularly served route.

ONT to CVG Flight Duration and Schedule

Nonstop flight time from ONT to CVG ranges from 3 hours 35 minutes. The route covers a distance of 1,850 miles (2,977 km). There are approximately 1 weekly flights outbound and 4 return, totaling 5 flights per week in both directions.

Connecting Options and Alternatives

34 one-stop connections are available, with the fastest taking approximately 5 hours via ILN. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Bernardino (SBD), Santa Ana (SNA) and Long Beach (LGB).