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$74+ Cheap flights from Ohio to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — ONT
mar. 26 — apr. 21
to. 3/26
to. 4/2
1 adult, Economy
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Cheap flight deals from Ohio to Ontario

Cheapest flights from Ohio to Ontario
Explore the most affordable flight options available from Ohio to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on februar 24, 2026.

This Trip.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lø. 4/185:21 pm
CLE
-
ONT
1 stop9h 34m
Frontier
ti. 4/2112:59 am
ONT
-
CLE
1 stop15h 24m
Frontier
Deal found 2/24$169
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
on. 4/84:22 pm
DTW
-
ONT
1 stop10h 34m
Frontier
to. 4/165:33 pm
ONT
-
DTW
1 stop14h 25m
Frontier
Deal found 2/23$179
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 4/147:00 pm
CLE
-
ONT
2 stops26h 49m
Frontier
ma. 4/2012:59 am
ONT
-
CLE
1 stop15h 24m
Frontier
Deal found 2/23$183
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 4/1412:00 pm
CLE
-
ONT
1 stop14h 55m
Frontier
sø. 4/1912:59 am
ONT
-
CLE
1 stop20h 58m
Frontier
Deal found 2/23$184
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 4/2010:27 pm
DTW
-
ONT
1 stop28h 28m
Frontier
ma. 4/2712:59 am
ONT
-
DTW
2 stops31h 39m
Frontier
Deal found 2/20$185
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 4/2010:27 pm
DTW
-
ONT
1 stop28h 28m
Multiple Airlines
ti. 4/2812:59 am
ONT
-
DTW
2 stops20h 20m
Multiple Airlines
Deal found 2/20$186
This Expedia deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fr. 4/178:38 pm
CVG
-
ONT
1 stop25h 11m
Frontier
lø. 4/1812:59 am
ONT
-
CVG
1 stop15h 13m
Frontier
Deal found 2/21$190
This Frontier deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 4/2010:05 am
DTW
-
ONT
1 stop9h 33m
Frontier
lø. 4/2512:59 am
ONT
-
DTW
1 stop6h 59m
Frontier
Deal found 2/20$190
This Frontier deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 4/168:18 pm
CMH
-
ONT
1 stop14h 13m
Frontier
on. 4/2212:59 am
ONT
-
CMH
1 stop15h 21m
Frontier
Deal found 2/21$191
This Booking.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 4/2310:27 pm
DTW
-
ONT
1 stop28h 28m
Frontier
to. 4/3012:59 am
ONT
-
DTW
1 stop6h 59m
Frontier
Deal found 2/23$191
This Booking.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fr. 4/178:38 pm
CVG
-
ONT
1 stop17h 06m
Frontier
to. 4/2311:47 am
ONT
-
CVG
1 stop15h 06m
Frontier
Deal found 2/23$192
This Mytrip deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti. 4/77:45 am
DTW
-
ONT
1 stop9h 41m
Frontier
fr. 4/106:20 am
ONT
-
DTW
1 stop25h 38m
Frontier
Deal found 2/23$196

Find flight deals from Ohio to Ontario

Keep the following information in mind while searching for Ohio to Ontario flight deals. Data was last updated februar 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$169
(Trip.com)

One-way from

$81
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$389
Provider with most accurate pricing for Cleveland Hopkins Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cleveland Hopkins Intl-Los Angeles flights.
Search Deals
From Ohio to Ontario
Search Deals
One-way flight from Ohio to Ontario
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ohio to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated februar 24, 2026.
Use the filters below to find and compare flights from Ohio to Ontario that are best for you.

Fly from

Ohio

Fly to

Ontario

Route

Depart

Return

Price

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

ma. 4/27

6:58 pm-9:45 am

1 stop17h 47m

Ontario

fr. 5/1

3:26 pm-5:58 pm

1 stop23h 32m

$265

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

fr. 4/17

7:29 pm-11:59 pm

1 stop31h 30m

Ontario

ti. 4/21

6:00 am-6:29 pm

1 stop9h 29m

$303

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

ma. 3/16

11:58 am-11:59 pm

1 stop15h 01m

Ontario

fr. 3/20

11:17 am-5:42 am

1 stop15h 25m

$311

ColumbusOntario

CMH - ONT

CMHONT

Columbus

ti. 3/31

7:05 am-12:23 pm

1 stop8h 18m

Ontario

on. 4/15

12:49 pm-12:43 am

1 stop8h 54m

$317

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

lø. 4/18

1:52 pm-9:00 pm

1 stop10h 08m

Ontario

lø. 4/25

10:15 pm-9:15 am

1 stop8h 00m

$317

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

on. 3/25

5:46 pm-11:51 pm

1 stop9h 05m

Ontario

lø. 3/28

1:20 pm-11:59 pm

1 stop7h 39m

$317

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

to. 3/26

7:29 pm-11:59 pm

1 stop31h 30m

Ontario

to. 4/2

6:00 am-6:29 pm

1 stop9h 29m

$324

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

on. 3/18

7:24 pm-9:39 am

1 stop17h 15m

Ontario

on. 3/25

6:00 am-6:28 pm

1 stop9h 28m

$333

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

on. 3/18

8:25 am-5:13 pm

1 stop11h 48m

Ontario

ma. 3/23

10:25 pm-9:20 am

1 stop7h 55m

$340

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

ti. 5/5

5:14 pm-10:32 pm

1 stop8h 18m

Ontario

lø. 5/16

4:03 pm-5:49 am

1 stop10h 46m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Showing 1-10 of 60 results
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Best time to book a flight from Ohio to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Ohio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ohio to Ontario

What is the cheapest month to book a flight from Ohio to Ontario?

Currently, October is the cheapest month in which you can book a flight from Ohio to Ontario (average of $109). Flying from Ohio to Ontario in April is currently the most expensive (average of $178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ohio to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Ohio?

    Ontario (ONT) is the airport you will fly into if you book a flight from Ohio to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • How long is the flight from Ohio to Ontario?

    A quick flight from Ohio to Ontario can take about 8h 18m. Alaska Airlines provides one of the quickest options available for as low as $317. There are 1944 mi between Ohio and Ontario. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ohio to Ontario one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $76. American Airlines flights start at $78 while deals on Southwest start at $109 one-way.

  • What are the most popular routes from Ohio to Ontario?

    Most travelers choose Detroit Metropolitan Wayne County - Ontario, Cleveland Hopkins Intl - Ontario or Cincinnati Cinci./N. Kentucky - Ontario when deciding on the best route from Ohio to Ontario.

  • Can I find deals for flights from Ohio to Ontario that include hotel bookings?

    Yes. In addition to deals on Ohio to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ohio to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ohio to Ontario.

  • Can I find deals for business class flights from Ohio to Ontario?

    Yes. Cheapflights offers flight deals from Ohio to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ohio to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Ohio to Ontario (average of $109). Flying from Ohio to Ontario in April is currently the most expensive (average of $178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ohio to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ohio to Ontario

Discover the top 5 airlines that operate flights from Ohio to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated februar 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$281FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$375FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$427FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$244Average$429FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$279Average$460FlexibilityNo cancel feeOn-time63%

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