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

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1,850 mi airlines 4/wk
On-time Some delays Frequent delays
Flight Schedule 1 flight Verified 9h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
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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
Cincinnati / Covington to Ontario
1 carrier, 4 flights/week nonstop.
1 Airlines 4 Flights/wk 1,850 mi 4h 39m nonstop -3h behind 45 1-stop hubs

CVG–ONT is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 1,850 miles in approximately 4h 39m. Beyond nonstop, 45 hubs offer 1-stop connections.

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

Airline Landscape

All carriers operating nonstop CVG–ONT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 2 333 4h54 100% Oneworld –
Aircraft on this route
333 Airbus A330-300 – AS
Alliance coverage
Oneworld: AS (2 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 ONT direction.
Mon
0
flights
Tue
1
flight
Wed
1
flight
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
4
Outbound / wk
1
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for CVG to ONT.
1-STOP
One-Stop Connections
45
Hubs
~5h
Fastest
~26h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,273
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 Ontario from Cincinnati / Covington

Nearby airports with service to Ontario International Airport.
Metric CVG→ONT LEX→ONT SDF→ONT
Distance from CVG – 70 mi 84 mi
Nonstop airlines 1 1 2
Weekly flights 4 – 2
Flight time 4h 39m 4h 14m 3h 36m
Departure OTP 100% – –
Lexington (LEX) to Ontario flights · Louisville (SDF) to Ontario flights · Indianapolis (IND) to Ontario flights
Airports within 200 miles of CVG with service to Ontario International Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Cincinnati / Covington, it's 3:00 PM in Ontario.
Distance & Flight Time
1,850 mi / 2,977 km
Nonstop flight time is approximately 4h 39m to 4h 54m.
Facts

CVG–ONT Quick Facts

Key statistics for the Cincinnati / Covington to Ontario route.
Route details
Distance1,850 mi / 2,977 km
Flight time4h 39m to 4h 54m
Time difference-3 hours
Airlines (nonstop)1
Weekly flights4 out / 1 return
1-stop connections45 hubs
Origin: CVG
Full nameCincinnati Northern Kentucky International Airport
IATA / ICAOCVG / KCVG
TimezoneAmerica/New_York
Passengers/yr9.0M
Elevation896 ft / 273 m
Destination: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
FAQ

Frequently Asked Questions

Common questions about CVG to ONT flights.
Nonstop flights from Cincinnati Northern Kentucky International Airport to Ontario International Airport take approximately 4h 39m to 4h 54m. The route covers 1,850 miles.
1 airline operates nonstop service: Alaska Airlines.
There are approximately 4 nonstop flights per week from CVG to ONT. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through SDF, MEM, VNY, LEX, AFW, RFD, SBD, GSO, BFL, STL, HOU, MSP, SMF, STS, LAL, MCO, YUL, PHL, MLB, PBI, EWR, FLL, BOS, GDL, DAL, MIA, AUS, ANC, IAH, MDW, ATL, CLT, JFK, ORD, DFW, SFO, LAS, SLC, PDX, HNL, PHX, BNA, DEN, SEA and BWI. These options provide additional schedule flexibility.
Ontario is 3 hours behind Cincinnati / Covington.
Yes, return flights from ONT to CVG are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include LEX, SDF 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 ONT

Cincinnati Northern Kentucky International Airport (CVG) and Ontario International Airport (ONT) are connected by nonstop service from Alaska Airlines. With 4 weekly departures, this is a regularly served route.

CVG to ONT Flight Duration and Schedule

Nonstop flight time from CVG to ONT ranges from 4 hours 39 minutes to 4 hours 54 minutes. The route covers a distance of 1,850 miles (2,977 km). There are approximately 4 weekly flights outbound and 1 return, totaling 5 flights per week in both directions.

Connecting Options and Alternatives

45 one-stop connections are available, with the fastest taking approximately 5 hours via SDF. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Lexington (LEX), Louisville (SDF) and Indianapolis (IND).