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$88+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$181
(CheapOair)

One-way from

$88
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$375

Good round-trip deal

$397 or less

Good one-way deal

$198 or less
Provider with most accurate pricing for Charlotte Douglas-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Charlotte Douglas-Los Angeles flights.
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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. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This CheapOair deal was found by Cheapflights users on 4/22. 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 5/245:17 pmRDU - ONT
1 stop18h 58mFrontier
Sat 5/315:15 pmONT - RDU
1 stop9h 45mFrontier
Deal found 4/22$181
This CheapOair deal was found by Cheapflights users on 4/23. 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 4/264:52 pmCLT - ONT
1 stop10h 07mFrontier
Thu 5/16:47 pmONT - CLT
1 stop11h 59mFrontier
Deal found 4/23$191
This Delta deal was found by Cheapflights users on 4/23. 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 7/224:00 pmTYS - ONT
1 stop6h 29mDelta
Sat 8/307:00 amONT - TYS
1 stop7h 16mDelta
Deal found 4/23$289
This American Airlines deal was found by Cheapflights users on 4/23. 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 9/62:32 pmAVL - ONT
1 stop8h 29mAmerican Airlines
Sat 9/1311:09 pmONT - AVL
1 stop8h 04mAmerican Airlines
Deal found 4/23$289
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/206:28 pmTYS - ONT
1 stop8h 15mAmerican Airlines
Tue 5/277:25 pmONT - TYS
2 stops9h 59mAmerican Airlines
Deal found 4/23$294
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
Tue 8/197:36 amRDU - ONT
1 stop10h 10mAlaska Airlines
Sat 9/273:00 pmONT - RDU
1 stop11h 49mAlaska Airlines
Deal found 4/22$296
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/294:52 pmCLT - ONT
1 stop10h 07mMultiple Airlines
Sat 5/31:15 pmONT - CLT
1 stop13h 30mMultiple Airlines
Deal found 4/23$297
This Delta deal was found by Cheapflights users on 4/23. 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 6/35:21 pmRDU - ONT
1 stop8h 08mDelta
Tue 6/1011:49 amONT - RDU
1 stop7h 26mDelta
Deal found 4/23$307
This Delta deal was found by Cheapflights users on 4/22. 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.
Mon 8/46:55 pmGSO - ONT
1 stop6h 34mDelta
Fri 8/1510:59 pmONT - GSO
1 stop7h 34mDelta
Deal found 4/22$309
This Delta deal was found by Cheapflights users on 4/23. 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 8/65:45 pmILM - ONT
1 stop7h 44mDelta
Sun 8/1010:59 pmONT - ILM
1 stop7h 47mDelta
Deal found 4/23$309
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/19:23 amRDU - ONT
2 stops11h 20mUnited Airlines
Wed 7/26:39 pmONT - RDU
1 stop7h 10mUnited Airlines
Deal found 4/22$312
This Delta deal was found by Cheapflights users on 4/22. 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.
Sun 5/255:35 amORF - ONT
1 stop8h 33mDelta
Tue 6/37:05 amONT - ORF
2 stops13h 19mDelta
Deal found 4/22$318

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 April 24, 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

Sat 5/24

5:17 pm-9:15 am

1 stop18h 58m

Ontario

Sat 5/31

5:15 pm-6:00 am

1 stop9h 45m

$181

CharlotteOntario

CLT - ONT

CLTONT

Charlotte Douglas

Sun 5/4

5:06 pm-11:59 pm

1 stop9h 53m

Ontario

Thu 5/8

6:47 pm-9:46 am

1 stop11h 59m

$198

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Tue 7/22

4:00 pm-7:29 pm

1 stop6h 29m

Ontario

Wed 8/27

10:59 pm-9:13 am

1 stop7h 14m

$289

AshevilleOntario

AVL - ONT

AVLONT

Asheville Regional

Sat 9/6

2:32 pm-8:01 pm

1 stop8h 29m

Ontario

Sat 9/13

11:09 pm-10:13 am

1 stop8h 04m

$289

KnoxvilleOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Tue 5/20

6:28 pm-11:43 pm

1 stop8h 15m

Ontario

Tue 5/27

7:25 pm-8:24 am

2 stops9h 59m

$294

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Tue 8/19

7:36 am-2:46 pm

1 stop10h 10m

Ontario

Sat 9/27

3:00 pm-5:49 am

1 stop11h 49m

$296

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Tue 6/3

5:21 pm-10:29 pm

1 stop8h 08m

Ontario

Wed 6/11

6:00 am-5:25 pm

1 stop8h 25m

$307

GreensboroOntario

GSO - ONT

GSOONT

Greensboro/H. Point

Mon 8/4

6:55 pm-10:29 pm

1 stop6h 34m

Ontario

Fri 8/15

10:59 pm-9:33 am

1 stop7h 34m

$309

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Wed 8/6

5:45 pm-10:29 pm

1 stop7h 44m

Ontario

Sun 8/10

10:59 pm-9:46 am

1 stop7h 47m

$309

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Tue 7/1

9:23 am-5:43 pm

2 stops11h 20m

Ontario

Wed 7/2

6:39 pm-4:49 am

1 stop7h 10m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

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 April 24, 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 April 24, 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
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,393 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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?

    $88 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 $115 and $149, 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 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$253FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$243Average$489FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$275Average$537FlexibilityNo cancel feeOn-time69%
DeltaCheapest$276Average$462FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$327Average$402FlexibilityNo cancel feeOn-time63%

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