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Ontario

$119+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$247
(Frontier)

One-way from

$119
(Frontier)

Popular in

March

Cheapest in

August

Average price

$369

Good round-trip deal

$395 or less

Good one-way deal

$197 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. 10% potential increase in price ($40 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 July 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 July 31, 2025.

This Frontier deal was found by Cheapflights users on 7/29. 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.
Sun 8/105:25 pmTYS - ONT
1 stop9h 25mFrontier
Sat 8/165:21 pmONT - TYS
1 stop20h 08mFrontier
Deal found 7/29$247
This Frontier deal was found by Cheapflights users on 7/30. 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 8/97:30 amRDU - ONT
1 stop11h 50mFrontier
Wed 8/137:22 pmONT - RDU
1 stop8h 13mFrontier
Deal found 7/30$258
This Frontier deal was found by Cheapflights users on 7/29. 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.
Tue 8/125:31 pmCLT - ONT
1 stop9h 19mFrontier
Wed 8/1312:59 amONT - CLT
1 stop12h 27mFrontier
Deal found 7/29$258
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:16 pmRDU - ONT
1 stop7h 08mAmerican Airlines
Sat 9/131:10 pmONT - RDU
1 stop6h 26mAmerican Airlines
Deal found 7/29$277
This Delta deal was found by Cheapflights users on 7/31. 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 12/46:10 pmTYS - ONT
1 stop7h 31mDelta
Mon 12/810:59 pmONT - TYS
1 stop7h 12mDelta
Deal found 7/31$289
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:04 pmAVL - ONT
1 stop8h 35mAmerican Airlines
Sat 8/3011:59 pmONT - AVL
1 stop7h 26mAmerican Airlines
Deal found 7/30$289
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:36 amRDU - ONT
1 stop9h 36mAlaska Airlines
Mon 9/153:06 pmONT - RDU
1 stop11h 54mAlaska Airlines
Deal found 7/31$292
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:50 amRDU - ONT
1 stop8h 45mSouthwest
Mon 9/86:20 amONT - RDU
1 stop8h 35mSouthwest
Deal found 7/30$293
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 8/305:49 amAVL - ONT
1 stop7h 31mDelta
Sat 9/67:05 amONT - AVL
1 stop9h 07mDelta
Deal found 7/30$293
This Delta deal was found by Cheapflights users on 7/29. 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.
Sat 9/131:52 pmRDU - ONT
1 stop8h 23mDelta
Sat 9/2011:55 amONT - RDU
1 stop6h 40mDelta
Deal found 7/29$295
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2212:20 pmTYS - ONT
2 stops8h 32mAmerican Airlines
Sun 8/2411:59 pmONT - TYS
2 stops10h 04mAmerican Airlines
Deal found 7/30$299
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:27 pmCLT - ONT
Nonstop4h 57mAmerican Airlines
Sat 10/410:35 pmONT - CLT
Nonstop4h 33mAmerican Airlines
Deal found 7/30$305

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 July 31, 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

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sun 8/10

5:25 pm-11:50 pm

1 stop9h 25m

Ontario

Sat 8/16

5:21 pm-4:29 pm

1 stop20h 08m

$247

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Sat 8/9

7:30 am-4:20 pm

1 stop11h 50m

Ontario

Wed 8/13

7:22 pm-6:35 am

1 stop8h 13m

$258

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Tue 8/12

5:31 pm-11:50 pm

1 stop9h 19m

Ontario

Wed 8/13

12:59 am-4:26 pm

1 stop12h 27m

$258

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Sat 9/6

5:16 pm-9:24 pm

1 stop7h 08m

Ontario

Sat 9/13

1:10 pm-10:36 pm

1 stop6h 26m

$277

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fri 8/22

6:14 pm-10:20 pm

1 stop7h 06m

Ontario

Sun 8/24

11:45 am-11:48 pm

1 stop9h 03m

$289

AshevilleOntario

AVL - ONT

AVLONT

Asheville Regional

Sat 8/23

4:04 pm-9:39 pm

1 stop8h 35m

Ontario

Sat 8/30

11:59 pm-10:25 am

1 stop7h 26m

$289

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 9/11

7:36 am-2:12 pm

1 stop9h 36m

Ontario

Mon 9/15

3:06 pm-6:00 am

1 stop11h 54m

$292

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Mon 9/1

5:50 am-11:35 am

1 stop8h 45m

Ontario

Mon 9/8

6:20 am-5:55 pm

1 stop8h 35m

$293

AshevilleOntario

AVL - ONT

AVLONT

Asheville Regional

Sat 8/30

5:49 am-10:20 am

1 stop7h 31m

Ontario

Sat 9/6

7:05 am-7:12 pm

1 stop9h 07m

$293

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Sat 9/13

1:52 pm-7:15 pm

1 stop8h 23m

Ontario

Sat 9/20

11:55 am-9:35 pm

1 stop6h 40m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 31, 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from North Carolina to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $119 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 $153 and $163, respectively.

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

    While some choose either Charlotte Douglas - Ontario or Norfolk - 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$263FlexibilityNo cancel feeOn-time65%
FrontierCheapest$148Average$254FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$216Average$422FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$484FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$453FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$324Average$415FlexibilityNo cancel feeOn-time63%

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