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$81+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:14 pmCLT - ONT
1 stop9h 45mFrontier
Wed 12/316:45 amONT - CLT
1 stop25h 37mFrontier
Deal found 12/16$228
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:14 pmCLT - ONT
1 stop9h 45mFrontier
Thu 12/256:45 amONT - CLT
1 stop25h 37mFrontier
Deal found 12/16$254
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:17 pmCLT - ONT
1 stop14h 42mFrontier
Mon 12/296:45 amONT - CLT
1 stop25h 37mFrontier
Deal found 12/16$279
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:22 pmCLT - ONT
1 stop12h 02mFrontier
Mon 12/226:45 amONT - CLT
1 stop25h 37mFrontier
Deal found 12/16$285
This Frontier deal was found by Cheapflights users on 12/15. 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.
Sat 12/2010:22 pmCLT - ONT
1 stop12h 02mFrontier
Wed 12/316:45 amONT - CLT
1 stop6h 34mFrontier
Deal found 12/15$308
This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/245:14 pmCLT - ONT
1 stop9h 45mFrontier
Mon 1/58:14 amONT - CLT
1 stop8h 30mFrontier
Deal found 12/15$312
This Gotogate deal was found by Cheapflights users on 12/16. 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.
Mon 12/228:39 pmCLT - ONT
1 stop13h 45mFrontier
Thu 12/256:45 amONT - CLT
1 stop25h 37mFrontier
Deal found 12/16$324
This CheapOair deal was found by Cheapflights users on 12/18. 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.
Mon 12/228:39 pmCLT - ONT
1 stop13h 45mFrontier
Wed 12/246:45 amONT - CLT
1 stop25h 37mFrontier
Deal found 12/18$325
This CheapOair deal was found by Cheapflights users on 12/17. 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 12/2512:17 pmCLT - ONT
1 stop14h 42mFrontier
Fri 12/266:20 pmONT - CLT
1 stop24h 33mFrontier
Deal found 12/17$334
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:22 pmCLT - ONT
1 stop12h 02mFrontier
Fri 12/266:20 pmONT - CLT
1 stop24h 33mFrontier
Deal found 12/16$354
This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/247:36 pmRDU - ONT
1 stop7h 23mFrontier
Mon 1/56:45 amONT - RDU
1 stop8h 56mFrontier
Deal found 12/15$383
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:23 amORF - ONT
1 stop7h 37mDelta
Tue 1/612:41 pmONT - ORF
1 stop8h 35mDelta
Deal found 12/16$406

Find 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 December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$166
(CheapOair)

One-way from

$81
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$473

Good round-trip deal

$410 or less
Provider with most accurate pricing for Raleigh-Durham-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Los Angeles flights.
Search Deals
From North Carolina to Ontario
Search Deals
One-way flight from North Carolina to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from North Carolina to Ontario.
Search Deals

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 December 18, 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

Mon 2/23

5:11 pm-11:59 pm

1 stop9h 48m

Ontario

Thu 2/26

6:05 am-4:00 pm

1 stop6h 55m

$182

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Mon 1/12

7:36 pm-11:56 pm

1 stop7h 20m

Ontario

Thu 1/15

6:10 am-6:44 pm

1 stop9h 34m

$182

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mon 1/26

4:30 pm-12:20 am

1 stop10h 50m

Ontario

Fri 1/30

6:20 am-3:30 pm

1 stop6h 10m

$217

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Sun 1/11

7:36 pm-11:56 pm

1 stop7h 20m

Ontario

Thu 1/15

6:10 am-6:44 pm

1 stop9h 34m

$217

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Fri 2/20

11:13 am-8:48 pm

1 stop12h 35m

Ontario

Wed 2/25

7:30 am-4:00 pm

1 stop29h 30m

$218

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Thu 1/15

8:48 am-7:01 pm

1 stop13h 13m

Ontario

Sun 1/18

6:10 am-5:58 pm

1 stop8h 48m

$218

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Fri 1/9

5:10 am-10:08 am

1 stop7h 58m

Ontario

Tue 1/13

12:57 pm-11:34 pm

1 stop7h 37m

$237

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Tue 1/20

4:44 pm-9:59 pm

1 stop8h 15m

Ontario

Fri 1/23

5:05 am-3:05 pm

1 stop7h 00m

$237

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Fri 1/9

8:03 am-5:43 pm

2 stops12h 40m

Ontario

Tue 1/13

5:05 am-3:05 pm

1 stop7h 00m

$242

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Wed 1/14

7:36 am-1:56 pm

1 stop9h 20m

Ontario

Thu 1/22

10:30 pm-8:52 am

1 stop7h 22m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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, June is the cheapest month in which you can book a flight from North Carolina to Ontario (average of $105). Flying from North Carolina to Ontario in November is currently the most expensive (average of $195). 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 December 18, 2025.

When flying from North Carolina to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight in the morning.

What is the cheapest day to fly from North Carolina to Ontario?

Use this chart to determine the cheapest time to fly round-trip from North Carolina to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their North Carolina to Ontario flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 7h 58m. Frontier provides one of the quickest options available for as low as $237. North Carolina and Ontario are separated by a distance of 2185 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?

    $78 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $128 and $138, respectively.

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

    While some choose either Raleigh-Durham - Ontario or Knoxville McGhee Tyson - Ontario, Charlotte Douglas - 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, June is the cheapest month in which you can book a flight from North Carolina to Ontario (average of $105). Flying from North Carolina to Ontario in November is currently the most expensive (average of $195). 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

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$263FlexibilityNo cancel feeOn-time65%
FrontierCheapest$159Average$277FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$266Average$443FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$425FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$437FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$293Average$427FlexibilityNo cancel feeOn-time63%

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