What is the cheapest airline to fly from Cincinnati to Ontario round-trip?

According to our current data, Frontier ($196), offers the cheapest pricing from Cincinnati to Ontario. You may be able to fly from Cincinnati to Ontario for 51% less than the average price by searching for this airline.

What are the cheapest airlines to fly from Cincinnati 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 $121. United Airlines flights start at $218 while deals on American Airlines start at $241 one-way.

What are the most popular airlines that fly from Cincinnati to Ontario?

American Airlines, Delta and Frontier are the most popular airlines when flying from Cincinnati to Ontario.

Can I find flights from Cincinnati to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from Cincinnati to Ontario for under $200. The cheapest flight booked recently is on Multiple Airlines for just $144, but on average you can expect to pay $221.

Are there last-minute flights available from Cincinnati to Ontario for under $300?

There are currently 20+ open flights from Cincinnati to Ontario within the next 7 days for less than $300.

Which airlines flying from Cincinnati Cinci./N. Kentucky to Ontario have flexible cancellations due to COVID-19?

Frontier, American Airlines, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What is the cheapest day to fly round-trip from Cincinnati to Ontario?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 129% when planning your travel around this day of the week.

How far in advance should I book a flight from Cincinnati to Ontario?

To save on the cost of your flight from Cincinnati to Ontario, book at least 31 days before your planned departure. Booking around this time can save you about 58% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $479 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $643.

What is the cheapest month to fly from Cincinnati to Ontario?

The best pricing can be found in the month of September. Prices to Ontario from Cincinnati average $383. You can even find prices in September for less than $383, as users have found deals to Ontario from as low as $199. The month of June appears to be one of the more expensive times to travel to Ontario from Cincinnati. Flying in the targeted month can save you up to 26%.

When is the cheapest time to fly from Cincinnati to Ontario (CVG - ONT)?

A simple way to save on the total cost of your ticket is to fly from Cincinnati to Ontario in the afternoon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.

What does CVG to ONT mean?

Cincinnati Cinci./N. Kentucky Airport is CVG and Ontario Airport is ONT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

Flights from Cincinnati, OH to Ontario, CA from $121

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CVG — ONT

Jun 11 — Jun 181

Round-tripOne-way

1 adult, Economy

We work with more than 300 partners to bring you better travel deals

The best prices from Cincinnati Cinci./N. Kentucky to Ontario are usually found in January or August, booked 44 days in advance, depart on a Wednesday or Thursday and return on a Thursday

How to find the cheapest flight from Cincinnati (CVG) to Ontario (ONT)

Popular in	May
Cheapest in	January
Average price	$424
Round-trip from	$217

High demand for flights, 28% potential price rise

Search Deals

Best time to find cheap flights, 37% potential price drop

Search Deals

Average for round-trip flights in June 2023

Search Deals

From Cincinnati Cinci./N. Kentucky to Ontario

Search Deals

CVG - LAX Price	$217 - $502
LAX Temperature	57.2 - 73.4 °F
LAX Rainfall	0 - 3.4 inches

CVG - LAX

Price

$217 - $502

LAX

Temperature

57.2 - 73.4 °F

LAX

Rainfall

0 - 3.4 inches

Cheap flights from Cincinnati to Ontario in June, July 2023

These are some of the most attractive deals on flights from Cincinnati to Ontario in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Jun 19 - Jun 27

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

17h 02m

$144

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

8h 00m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

23h 59m

$179

Multiple Airlines

Deal found 6/5

Jun 19 - Jun 27

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

2 stops

13h 16m

$193

Multiple Airlines

Deal found 6/5

Jul 12 - Jul 18

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

8h 00m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

6h 55m

$205

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

8h 00m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

2 stops

21h 00m

$211

Multiple Airlines

Deal found 6/5

Jun 19 - Jun 23

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

19h 54m

$213

Multiple Airlines

Deal found 6/5

Jul 12 - Jul 18

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

18h 08m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

14h 13m

$218

Frontier

Deal found 6/5

Jun 26 - Jul 17

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

2 stops

20h 34m

$219

Multiple Airlines

Deal found 6/6

Jun 19 - Jul 3

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

23h 27m

$223

Multiple Airlines

Deal found 6/5

Cincinnati to Ontario 2023 flight deals

These are some of the most attractive deals on flights from Cincinnati to Ontario in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Jun 19 - Jun 27

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

17h 02m

$144

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

8h 00m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

23h 59m

$179

Multiple Airlines

Deal found 6/5

Jun 19 - Jun 27

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

2 stops

13h 16m

$193

Multiple Airlines

Deal found 6/5

Sep 13 - Sep 20

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

20h 06m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

7h 25m

$196

Frontier

Deal found 6/5

Jul 12 - Jul 18

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

8h 00m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

6h 55m

$205

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

8h 00m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

2 stops

21h 00m

$211

Multiple Airlines

Deal found 6/5

Jun 19 - Jun 23

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

19h 54m

$213

Multiple Airlines

Deal found 6/5

Jul 12 - Jul 18

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

18h 08m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

14h 13m

$218

Frontier

Deal found 6/5

Jun 26 - Jul 17

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

2 stops

20h 34m

$219

Multiple Airlines

Deal found 6/6

Cheap Frontier flights from Cincinnati to Ontario

Peruse some of the lowest-priced Frontier flights we've found from Cincinnati to Ontario. Deals update often to give you more flight options matching your criteria

Sep 13 - Sep 20

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

20h 06m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

7h 25m

$196

Frontier

Deal found 6/5

Jul 12 - Jul 18

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

18h 08m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

14h 13m

$218

Frontier

Deal found 6/5

Sep 13 - Sep 20

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

2 stops

10h 45m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

7h 25m

$226

Frontier

Deal found 6/5

Jun 20 - Jun 23

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

26h 27m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

19h 54m

$239

Frontier

Deal found 6/5

Jun 19 - Jun 20

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

19h 14m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

14h 02m

$248

Frontier

Deal found 6/5

Jun 19 - Jun 26

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

19h 14m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

13h 16m

$250

Frontier

Deal found 6/5

Jun 13 - Jun 24

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

19h 19m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

16h 27m

$258

Frontier

Deal found 6/4

Aug 1 - Aug 3

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

10h 55m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

2 stops

19h 44m

$259

Frontier

Deal found 6/5

Jun 20 - Jul 3

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

26h 27m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

23h 27m

$261

Frontier

Deal found 6/5

Cheap United Airlines flights from Cincinnati to Ontario

Some of the lowest-priced United Airlines flights we've found at this time heading from Cincinnati to Ontario. Deals frequently update to provide users with more options.

Jun 13 - Jun 14

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

14h 27m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

13h 57m

$619

United Airlines

Deal found 6/5

Jun 13 - Jun 14

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

2 stops

17h 26m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

13h 57m

$668

United Airlines

Deal found 6/5

Jun 11 - Jun 20

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

14h 27m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

13h 57m

$796

United Airlines

Deal found 6/5

Last minute flights from Cincinnati to Ontario

Users seeking a last-minute flight from Cincinnati to Ontario should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

Jun 12 - Jun 19

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

14h 02m

$225

Multiple Airlines

Deal found 6/5

Jun 12 - Jun 19

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

21h 29m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

2 stops

16h 31m

$233

Multiple Airlines

Deal found 6/5

Jun 13 - Jun 24

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

19h 19m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

16h 27m

$258

Frontier

Deal found 6/4

Jun 12 - Jun 14

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

19h 14m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

13h 25m

$268

Frontier

Deal found 6/5

Jun 13 - Jun 15

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

19h 19m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

20h 16m

$278

Frontier

Deal found 6/5

Jun 13 - Jun 15

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

2 stops

12h 30m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

20h 16m

$282

Frontier

Deal found 6/5

Jun 15 - Jun 19

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

13h 22m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

14h 02m

$318

Frontier

Deal found 6/5

Jun 11 - Jun 19

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

7h 15m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

14h 02m

$328

Frontier

Deal found 6/5

Jun 11 - Jun 18

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

7h 15m

ONT

Ontario

CVG

Cincinnati Cinci./N. Kentucky

1 stop

16h 29m

$340

Frontier

Deal found 6/4

One-way flights to Ontario from Cincinnati

Take a look at some of the one-way flights we've detected from Cincinnati to Ontario. Users needing a return flight from Cincinnati to Ontario should utilize the search form above.

Oct 16

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

19h 16m

$121

Frontier

Deal found 6/5

Oct 28

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

9h 12m

$124

Frontier

Deal found 6/5

Jun 19

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

17h 35m

$130

Frontier

Deal found 6/5

Jun 15

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

8h 50m

$134

Frontier

Deal found 6/5

Jun 19

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

17h 35m

$138

Frontier

Deal found 6/5

Jun 12

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

19h 14m

$140

Frontier

Deal found 6/5

Jun 23

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

17h 14m

$150

Frontier

Deal found 6/4

Aug 17

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

10h 27m

$154

Frontier

Deal found 6/5

Jun 13

CVG

Cincinnati Cinci./N. Kentucky

ONT

Ontario

1 stop

19h 19m

$170

Frontier

Deal found 6/5

Find flights from Cincinnati to Ontario within your budget

Fly from

Fly to

Budget

$144 - $239

Route

Depart

Return

Price

Cincinnati Cinci./N. KentuckyOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 6/19

1 stop21h 29m

Ontario

Tue 6/27

1 stop17h 02m

$144

Pick Dates

Cincinnati Cinci./N. KentuckyOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 7/5

1 stop8h 00m

Ontario

Wed 7/12

1 stop23h 59m

$179

Pick Dates

Cincinnati Cinci./N. KentuckyOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Mon 6/19

1 stop21h 29m

Ontario

Tue 6/27

2 stops13h 16m

$193

Pick Dates

Cincinnati Cinci./N. KentuckyOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 9/13

1 stop20h 06m

Ontario

Wed 9/20

1 stop7h 25m

$196

Pick Dates

Cincinnati Cinci./N. KentuckyOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 7/12

1 stop8h 00m

Ontario

Tue 7/18

1 stop6h 55m

$205

Pick Dates

Cincinnati Cinci./N. KentuckyOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 7/5

1 stop8h 00m

Ontario

Wed 7/12

2 stops21h 00m

$211

Pick Dates

Cincinnati Cinci./N. KentuckyOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 7/12

1 stop18h 08m

Ontario

Tue 7/18

1 stop14h 13m

$218

Pick Dates

Cincinnati Cinci./N. KentuckyOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Wed 9/13

2 stops10h 45m

Ontario

Wed 9/20

1 stop7h 25m

$226

Pick Dates

Cincinnati Cinci./N. KentuckyOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 6/20

1 stop26h 27m

Ontario

Fri 6/23

1 stop19h 54m

$239

Pick Dates

Flights are sorted by cheapest first

Deals found on 6/5

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Frontier, United Airlines and American Airlines from Cincinnati to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

2,393 reviews

Check prices

Reviews

1 / 10

Flight got delayed. The baggage delivery at destination, Buffalo, was late, and also confusing, bags first arrived at Caorusel belt 4 and then it was announced that the bag would arrive at Belt 3 .

Delta

8.0

Very good

2,393 reviews

Delta

8.0

Very good

2,393 reviews

Check prices

Reviews

1 / 10

Flight got delayed. The baggage delivery at destination, Buffalo, was late, and also confusing, bags first arrived at Caorusel belt 4 and then it was announced that the bag would arrive at Belt 3 .

United Airlines

7.6

Good

1,559 reviews

Delta

8.0

Very good

2,393 reviews

Check prices

Reviews

1 / 10

Flight got delayed. The baggage delivery at destination, Buffalo, was late, and also confusing, bags first arrived at Caorusel belt 4 and then it was announced that the bag would arrive at Belt 3 .

American Airlines

7.3

Good

2,149 reviews

Delta

8.0

Very good

2,393 reviews

Check prices

Reviews

1 / 10

Flight got delayed. The baggage delivery at destination, Buffalo, was late, and also confusing, bags first arrived at Caorusel belt 4 and then it was announced that the bag would arrive at Belt 3 .

Frontier

5.9

Fair

682 reviews

Delta

8.0

Very good

2,393 reviews

Check prices

Reviews

1 / 10

Flight got delayed. The baggage delivery at destination, Buffalo, was late, and also confusing, bags first arrived at Caorusel belt 4 and then it was announced that the bag would arrive at Belt 3 .

Related info for your journey

Alternative routes for Cincinnati to Ontario

Cleveland to San Diegofrom $66 pp

Cincinnati to Santa Anafrom $112 pp

Cincinnati to Los Angelesfrom $115 pp

Cleveland to Los Angelesfrom $194 pp

Cincinnati to San Franciscofrom $212 pp

Cleveland to San Franciscofrom $246 pp

Top 4 airlines flying from Cincinnati to Ontario

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Frontier	Cheapest$160	Average$263	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search Frontier flights
United Airlines	Cheapest$287	Average$519	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
Delta	Cheapest$325	Average$556	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
American Airlines	Cheapest$363	Average$551	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights

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Cheap flights from Cincinnati to Ontario (CVG - ONT) from $121

This is the cheapest one-way flight price, found on 6/5. Prices may vary by date and flight preferences.

The best prices from Cincinnati Cinci./N. Kentucky to Ontario are usually found in January or August, booked 44 days in advance, depart on a Wednesday or Thursday and return on a Thursday

How to find the cheapest flight from Cincinnati (CVG) to Ontario (ONT)

All the information you need to plan the best CVG to ONT flight in 2023: compare Cincinnati to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

Popular in

Cheapest in

Average price

Round-trip from

What is the cheapest day to fly round-trip from Cincinnati to Ontario?

How far in advance should I book a flight from Cincinnati to Ontario?

What is the cheapest month to fly from Cincinnati to Ontario?

When is the cheapest time to fly from Cincinnati to Ontario (CVG - ONT)?

Cheap flights from Cincinnati to Ontario in June, July 2023

The best prices found for CVG to ONT flights for June, July

These are some of the most attractive deals on flights from Cincinnati to Ontario in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Cincinnati to Ontario 2023 flight deals

Cheap flights to Ontario from Cincinnati found for this year

These are some of the most attractive deals on flights from Cincinnati to Ontario in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Cheap Frontier flights from Cincinnati to Ontario

Peruse some of the lowest-priced Frontier flights we've found from Cincinnati to Ontario. Deals update often to give you more flight options matching your criteria

Cheap United Airlines flights from Cincinnati to Ontario

Some of the lowest-priced United Airlines flights we've found at this time heading from Cincinnati to Ontario. Deals frequently update to provide users with more options.

Last minute flights from Cincinnati to Ontario

Late deals on return flights to Ontario from Cincinnati, departing today and this week

Users seeking a last-minute flight from Cincinnati to Ontario should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Ontario from Cincinnati

The cheapest one-way flights from Cincinnati to Ontario

Take a look at some of the one-way flights we've detected from Cincinnati to Ontario. Users needing a return flight from Cincinnati to Ontario should utilize the search form above.

Find flights from Cincinnati to Ontario within your budget

Use the slider to find flights from Cincinnati to Ontario that fit your budget.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Frontier, United Airlines and American Airlines from Cincinnati to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Useful info, stats and facts about Cincinnati to Ontario flights.

Which airlines flying from Cincinnati Cinci./N. Kentucky to Ontario have flexible cancellations due to COVID-19?

Can I find flights from Cincinnati to Ontario for under $200 on Cheapflights?

Are there last-minute flights available from Cincinnati to Ontario for under $300?

What is the cheapest airline to fly from Cincinnati to Ontario round-trip?

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

What are the most popular airlines that fly from Cincinnati to Ontario?

What does CVG to ONT mean?

Other flights from Cincinnati

Other flights to Ontario

Flights to Ontario from Cincinnati

Rent a Car

Alternative routes for Cincinnati to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Cincinnati to Ontario

The chart below displays the airlines Cheapflights users traveling from Cincinnati to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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