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$91+ Cheap flights from North Carolina 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from North Carolina to Ontario

Keep the following information in mind while searching for North Carolina to Ontario flight deals. Data was last updated September 16, 2025.

Round-trip from

$151
(Priceline)

One-way from

$91
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$354

Good round-trip deal

$327 or less

Good one-way deal

$179 or less
From North Carolina to Ontario
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One-way flight from North Carolina to Ontario
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from North Carolina to Ontario.
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Price to beat on a one-way flight from North Carolina to Ontario.
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Find flight deals from North Carolina to Ontario

Cheapest flights from North Carolina to Ontario
Explore the most affordable flight options available from North Carolina to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:17 pmTYS - ONT
1 stop6h 33mFrontier
Sun 10/266:53 amONT - TYS
1 stop9h 39mFrontier
Deal found 9/16$151
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:07 pmCLT - ONT
1 stop8h 43mFrontier
Sun 11/166:53 amONT - CLT
1 stop7h 24mFrontier
Deal found 9/14$153
This Booking.com deal was found by Cheapflights users on 9/14. 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.
Fri 11/79:57 amCLT - ONT
1 stop11h 52mFrontier
Mon 11/176:53 amONT - CLT
1 stop7h 24mFrontier
Deal found 9/14$154
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:51 pmRDU - ONT
1 stop27h 58mFrontier
Sun 11/91:46 pmONT - RDU
1 stop28h 25mFrontier
Deal found 9/14$158
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:42 pmRDU - ONT
1 stop24h 46mFrontier
Mon 10/276:53 amONT - RDU
1 stop6h 51mFrontier
Deal found 9/14$159
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:23 pmRDU - ONT
1 stop29h 31mFrontier
Sun 10/57:15 pmONT - RDU
1 stop11h 48mFrontier
Deal found 9/14$160
This Frontier deal was found by Cheapflights users on 9/14. 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.
Thu 10/238:17 pmTYS - ONT
1 stop6h 33mFrontier
Mon 10/276:53 amONT - TYS
1 stop9h 39mFrontier
Deal found 9/14$161
This Frontier deal was found by Cheapflights users on 9/15. 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.
Thu 10/28:55 amCLT - ONT
1 stop12h 40mFrontier
Sun 10/57:15 pmONT - CLT
1 stop12h 37mFrontier
Deal found 9/15$163
This Frontier deal was found by Cheapflights users on 9/15. 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.
Thu 10/235:39 pmRDU - ONT
1 stop9h 11mFrontier
Sat 10/257:04 amONT - RDU
1 stop7h 00mFrontier
Deal found 9/15$170
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:38 pmCLT - ONT
1 stop29h 16mFrontier
Sat 10/118:34 amONT - CLT
1 stop22h 21mFrontier
Deal found 9/14$173
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:51 pmRDU - ONT
1 stop24h 58mFrontier
Sat 10/188:34 amONT - RDU
1 stop22h 48mFrontier
Deal found 9/15$179
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:38 pmCLT - ONT
1 stop29h 16mFrontier
Thu 10/28:59 pmONT - CLT
1 stop16h 44mFrontier
Deal found 9/16$179

Cheapflights Fare Finder

 
Customize your flight search to find flights from North Carolina 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 September 16, 2025.
Use the filters below to find and compare flights from North Carolina to Ontario that are best for you.

Fly from

North Carolina

Fly to

Ontario

Route

Depart

Return

Price

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 11/13

5:51 pm-6:49 pm

1 stop27h 58m

Ontario

Sat 11/15

12:05 pm-4:36 pm

1 stop25h 31m

$159

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 10/23

6:42 pm-4:28 pm

1 stop24h 46m

Ontario

Sat 10/25

7:04 am-5:04 pm

1 stop7h 00m

$159

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 11/6

5:51 pm-6:49 pm

1 stop27h 58m

Ontario

Fri 11/14

8:24 am-11:55 pm

1 stop12h 31m

$159

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Thu 10/23

8:17 pm-11:50 pm

1 stop6h 33m

Ontario

Sun 10/26

6:53 am-7:32 pm

1 stop9h 39m

$161

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fri 10/17

8:17 pm-11:50 pm

1 stop6h 33m

Ontario

Sun 10/19

6:53 am-7:32 pm

1 stop9h 39m

$191

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Sat 10/11

9:29 pm-7:49 am

2 stops37h 20m

Ontario

Sat 10/18

8:34 am-10:22 am

1 stop22h 48m

$212

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Fri 10/17

5:34 pm-11:50 pm

1 stop9h 16m

Ontario

Mon 10/20

6:53 am-4:39 pm

1 stop6h 46m

$245

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Fri 10/10

5:39 pm-11:50 pm

1 stop9h 11m

Ontario

Sat 10/18

7:04 am-5:04 pm

1 stop7h 00m

$247

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Wed 10/22

3:42 pm-10:22 pm

1 stop9h 40m

Ontario

Sat 10/25

11:36 am-8:56 pm

1 stop6h 20m

$297

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Tue 11/11

5:15 am-10:40 am

1 stop8h 25m

Ontario

Wed 11/19

6:00 am-5:32 pm

1 stop8h 32m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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

Have a flexible travel schedule? Discover the best time to fly to Ontario from North Carolina 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 North Carolina to Ontario

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

Currently, August is the cheapest month in which you can book a flight from North Carolina to Ontario (average of $246). Flying from North Carolina to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from NC to ONT?

Find hourly flight availability from North Carolina to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from North Carolina to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from North Carolina 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 North Carolina?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from North Carolina to Ontario.

  • How long is the flight from North Carolina to Ontario?

    A quick flight from North Carolina to Ontario can take about 8h 24m. Frontier provides one of the quickest options available for as low as $297. North Carolina and Ontario are separated by a distance of 1981 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $91 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and Delta, with prices starting from $169 and $189, respectively.

  • What are the most popular routes from North Carolina to Ontario?

    While some choose either Charlotte Douglas - Ontario or Knoxville McGhee Tyson - Ontario, Raleigh-Durham - Ontario is the most popular route from North Carolina to Ontario.

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

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

  • How can I find direct flights from North Carolina to Ontario?

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

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

    Yes. Cheapflights offers flight deals from North Carolina 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 North Carolina to Ontario?

    Currently, August is the cheapest month in which you can book a flight from North Carolina to Ontario (average of $246). Flying from North Carolina to Ontario in March is currently the most expensive (average of $328). 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

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Alternative routes for North Carolina to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from North Carolina to Ontario

Discover the top 6 airlines that operate flights from North Carolina 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$263FlexibilityNo cancel feeOn-time65%
FrontierCheapest$148Average$282FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$216Average$441FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$485FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$449FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$322Average$418FlexibilityNo cancel feeOn-time63%

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