United States
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ONT - CVG

$96 Find Cheap Flights from Ontario to Cincinnati - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$193
Typical prices: $301-$491
Frontier
Sun 11/4Wed 11/7
ONT - CVG • 1 stop
Cheapest one-way
$96
Typical prices: $151-$312
Frontier
Sun 10/28
ONT - CVG • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Ontario and Cincinnati. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
9 weeks
in advance
Our data shows that travelers who book at least 9 weeks in advance save around 36% compared to booking last minute.
Insights
Insights
When to travel
November
Cheapest • 19% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $229 (round-trip)
Salt Lake City (SLC)
Shortest trip • 6h 41m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Cincinnati (ONT-CVG)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Cincinnati

Wed, Nov 4 - Sat, Nov 7
Frontier Logo
6:25 am - 3:22 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
5h 57m1 stop Denver Intl
Frontier Logo
4:32 pm - 11:51 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
10h 19m1 stop Denver Intl
$193Frontier
Mon, Nov 2 - Sat, Nov 7
Frontier Logo
6:25 am - 3:22 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
5h 57m1 stop Denver Intl
Frontier Logo
4:32 pm - 11:51 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
10h 19m1 stop Denver Intl
$198Frontier
Mon, Nov 23 - Mon, Nov 30
Multiple Airlines Logo
7:15 am - 7:17 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
33h 02m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:48 pm - 11:32 amCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
16h 44m1 stop Las Vegas Harry Reid Intl
$322Multiple Airlines
Mon, Oct 19 - Thu, Oct 22
Multiple Airlines Logo
6:56 pm - 9:09 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
23h 13m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
8:34 pm - 10:29 amCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
16h 55m1 stop Denver Intl
$347Multiple Airlines
Thu, Nov 5 - Wed, Nov 11
American Airlines Logo
11:59 pm - 10:50 amONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
7h 51m1 stop Dallas/Fort Worth
American Airlines Logo
7:54 am - 11:52 amCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
6h 58m1 stop Dallas/Fort Worth
$385American Airlines
Sat, Oct 17 - Wed, Oct 21
Delta Logo
7:07 am - 7:18 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
9h 11m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:30 pm - 11:55 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
7h 25m1 stop Salt Lake City
$385Delta
Wed, Nov 4 - Thu, Nov 12
Delta Logo
6:00 am - 3:24 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
6h 24m1 stop Salt Lake City
Delta Logo
5:09 pm - 9:57 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
7h 48m1 stop Atlanta Hartsfield-Jackson
$385Delta
Thu, Nov 5 - Wed, Nov 11
American Airlines Logo
1:27 pm - 10:59 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
6h 32m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 12:38 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
9h 38m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
$390American Airlines
Mon, Nov 23 - Fri, Nov 27
United Airlines Logo
5:00 am - 5:25 pmONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
9h 25m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
7:00 am - 12:29 pmCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
8h 29m1 stop San Francisco
$398United Airlines
Mon, Dec 21 - Tue, Dec 29
United Airlines Logo
11:52 pm - 9:25 amONT  Ontario-CVG Cincinnati Cinci./N. Kentucky
6h 33m1 stop Chicago O'Hare Intl
United Airlines Logo
7:07 am - 11:58 amCVG  Cincinnati Cinci./N. Kentucky-ONT Ontario
7h 51m1 stop San Francisco
$403United Airlines
Booking Insights

Price, demand and travel trends for Ontario to Cincinnati flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Ontario to Cincinnati?

Round-trip flights from Ontario to Cincinnati typically range from $301 to $491. The lowest price found in the past 5 days was $193, on Frontier.

What's the cheapest day of the week to fly from Ontario to Cincinnati?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Ontario to Cincinnati. It’s 18% cheaper than the average day, while Sunday is the most expensive, with prices 34% higher.

What’s the cheapest month to fly from Ontario to Cincinnati?

•November is the cheapest month to fly from Ontario to Cincinnati at $318 round-trip.
•December ($528) and February ($512) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ontario to Cincinnati the cheapest?

Flights from Ontario to Cincinnati are cheapest 9 weeks before departure. Booking in this window typically costs about 36% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Ontario to Cincinnati flights

Low season

January

Cheapest flight

$96
Beat the crowds with an average 33% drop in travelers.
The most popular month to fly with an average 66% increase in travelers.
One-way flight from Ontario to Cincinnati

When to book flights from Ontario to Cincinnati

Are your dates flexible? Find out the best times to travel from Ontario to Cincinnati based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Cincinnati flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Ontario to Cincinnati?

    Two cabin classes are available on flights from Ontario to Cincinnati:

    • Economy Class
    • First Class

  • How long is a flight from Ontario to Cincinnati?

    A nonstop flight from Ontario to Cincinnati takes 00m, covering 1,849 miles.

  • Do I need a passport to fly from Ontario to Cincinnati?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Ontario to Cincinnati flight?

    Round-trip flights from Ontario to Cincinnati range from $301 to $491, with an average of $393 over the past 12 months. Anything below $301 counts as a good deal.

  • How expensive are last-minute Ontario to Cincinnati flights?

    Last-minute fares on this route (booked within two weeks of departure) are 3% below the route average of $393. Booking late can sometimes save you money, but inventory is limited.

  • Have flight prices from Ontario to Cincinnati changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $193 to $1,928. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from Ontario to Cincinnati looking right now?

    One-way fares from Ontario to Cincinnati are currently lower than usual. Average one-way flight prices are about $172, which is 16% below the typical average for this route.

  • What car rental options are available at Cincinnati Cinci./N. Kentucky Airport (CVG)?

    Cincinnati Cinci./N. Kentucky Airport (CVG) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include:

    • Hertz
    • Dollar
    • Thrifty
    • Alamo
    • Budget

  • Which airports can I use when flying from Ontario to Cincinnati?

    Flights from Ontario to Cincinnati usually depart from Ontario (ONT) and arrive at Cincinnati Cinci./N. Kentucky (CVG).

  • Which airports do connecting flights from Ontario to Cincinnati pass through?

    One-stop flights from Ontario to Cincinnati most commonly connect through:

    • Denver Intl (DEN) - 24% of one-stop connections
    • Dallas/Fort Worth (DFW) - 18% of one-stop connections
    • Salt Lake City (SLC) - 15% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Ontario to Cincinnati?

    Yes. Flexible dates can save you up to 39% on flights from Ontario to Cincinnati. Friday is the cheapest departure day at $325 round-trip on average, while Sunday is the most expensive at $528, a difference of $203.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Ontario to Cincinnati?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 41m, compared with 6h 50m via Phoenix Sky Harbor Intl (PHX) and 7h 10m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Ontario and Cincinnati?

    Cincinnati is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Cincinnati?

    Some of the most popular sights in Cincinnati are Great American Ballpark, Paycor Stadium and Heritage Bank Center. These are among the most viewed places in Cincinnati on KAYAK.

Your guide to booking Ontario to Cincinnati flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Sunday. On this route, Friday flights average $325, about $203 less than Sunday fares (38% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 36% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ontario to Cincinnati trip for November. Fares historically average $318 round-trip in that month - typically $210 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Ontario to Cincinnati

Complete your trip to Cincinnati with a hotel stay or car rental

Car rentals in Cincinnati
Hotels in Cincinnati
Vacations in Cincinnati