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Ontario

$106+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$209
(Frontier)

One-way from

$106
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$360

Good round-trip deal

$397 or less

Good one-way deal

$198 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. 11% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Frontier deal was found by Cheapflights users on 6/10. 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 7/107:30 amRDU - ONT
1 stop11h 49mFrontier
Thu 7/175:14 pmONT - RDU
1 stop10h 21mFrontier
Deal found 6/10$209
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 9/106:30 amCLT - ONT
2 stops11h 10mSouthwest
Wed 9/176:45 amONT - CLT
1 stop6h 50mSouthwest
Deal found 6/11$278
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/95:57 pmTYS - ONT
1 stop7h 30mDelta
Mon 7/1410:05 pmONT - TYS
1 stop8h 45mDelta
Deal found 6/10$289
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/67:01 amAVL - ONT
1 stop7h 55mAmerican Airlines
Sat 9/1312:46 pmONT - AVL
1 stop6h 48mAmerican Airlines
Deal found 6/12$289
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 9/247:25 amRDU - ONT
1 stop6h 59mDelta
Tue 9/3010:59 pmONT - RDU
1 stop6h 52mDelta
Deal found 6/11$297
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 10/214:25 pmORF - ONT
1 stop9h 16mDelta
Wed 12/1010:59 pmONT - ORF
1 stop7h 03mDelta
Deal found 6/10$297
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 7/186:48 pmAVL - ONT
1 stop6h 39mDelta
Sun 7/2010:05 pmONT - AVL
1 stop8h 00mDelta
Deal found 6/10$297
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/95:05 amTYS - ONT
2 stops9h 55mAmerican Airlines
Tue 7/1512:55 pmONT - TYS
2 stops7h 57mAmerican Airlines
Deal found 6/9$299
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Sun 8/248:33 pmTYS - ONT
1 stop15h 12mFrontier
Sat 8/3012:59 amONT - TYS
1 stop15h 42mFrontier
Deal found 6/10$301
This Frontier deal was found by Cheapflights users on 6/11. 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.
Mon 8/411:26 amCLT - ONT
1 stop10h 01mFrontier
Sun 8/2412:59 amONT - CLT
1 stop12h 38mFrontier
Deal found 6/11$305
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 10/215:12 amORF - ONT
2 stops9h 23mAmerican Airlines
Wed 12/106:40 amONT - ORF
2 stops9h 27mAmerican Airlines
Deal found 6/12$308
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 9/162:15 pmGSO - ONT
1 stop8h 27mDelta
Tue 9/307:00 amONT - GSO
1 stop7h 59mDelta
Deal found 6/12$309

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 June 12, 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 7/10

7:30 am-4:19 pm

1 stop11h 49m

Ontario

Thu 7/17

5:14 pm-6:35 am

1 stop10h 21m

$209

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Wed 9/10

6:30 am-2:40 pm

2 stops11h 10m

Ontario

Wed 9/17

6:45 am-4:35 pm

1 stop6h 50m

$278

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 7/9

5:57 pm-10:27 pm

1 stop7h 30m

Ontario

Mon 7/14

10:05 pm-9:50 am

1 stop8h 45m

$289

AshevilleOntario

AVL - ONT

AVLONT

Asheville Regional

Sat 9/6

7:01 am-11:56 am

1 stop7h 55m

Ontario

Sat 9/13

12:46 pm-10:34 pm

1 stop6h 48m

$289

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 8/7

6:39 pm-11:42 pm

1 stop8h 03m

Ontario

Sat 8/9

7:05 am-7:10 pm

1 stop9h 05m

$297

NorfolkOntario

ORF - ONT

ORFONT

Norfolk

Tue 10/21

4:25 pm-10:41 pm

1 stop9h 16m

Ontario

Wed 12/10

10:59 pm-9:02 am

1 stop7h 03m

$297

AshevilleOntario

AVL - ONT

AVLONT

Asheville Regional

Fri 7/18

6:48 pm-10:27 pm

1 stop6h 39m

Ontario

Sun 7/20

10:05 pm-9:05 am

1 stop8h 00m

$297

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 7/9

5:05 am-12:00 pm

2 stops9h 55m

Ontario

Tue 7/15

12:55 pm-11:52 pm

2 stops7h 57m

$299

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sun 8/24

8:33 pm-8:45 am

1 stop15h 12m

Ontario

Sat 8/30

12:59 am-7:41 pm

1 stop15h 42m

$301

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Mon 8/4

11:26 am-6:27 pm

1 stop10h 01m

Ontario

Sun 8/24

12:59 am-4:37 pm

1 stop12h 38m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from North Carolina to Ontario to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

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?

    $106 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $139 and $145, respectively.

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

    While some choose either Raleigh-Durham - Ontario or Norfolk - 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, 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 5 airlines flying from North Carolina to Ontario

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$253FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$216Average$431FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$243Average$499FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$462FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$327Average$405FlexibilityNo cancel feeOn-time63%

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