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$73+ Cheap flights from Ontario to Raleigh (ONT - RDU)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Find cheap flights from Ontario to Raleigh with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Ontario to Raleigh-Durham are usually found in August or October, booked 37 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Ontario to Raleigh

Cheapest flights from Ontario to Raleigh
Explore the most affordable flight options available from Ontario to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

This Frontier deal was found by Cheapflights users on 12/7. 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 12/256:45 amONT - RDU
1 stop8h 56mFrontier
Thu 1/17:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/7$232
This Delta deal was found by Cheapflights users on 12/8. 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 12/2511:15 amONT - RDU
1 stop6h 56mDelta
Wed 1/77:36 amRDU - ONT
1 stop9h 20mDelta
Deal found 12/8$269
This Frontier deal was found by Cheapflights users on 12/8. 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 12/296:45 amONT - RDU
1 stop8h 56mFrontier
Thu 1/87:36 pmRDU - ONT
1 stop7h 20mFrontier
Deal found 12/8$275
This Frontier deal was found by Cheapflights users on 12/7. 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 12/236:45 amONT - RDU
1 stop8h 56mFrontier
Thu 1/17:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/7$278
This Frontier deal was found by Cheapflights users on 12/8. 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 12/117:33 pmONT - RDU
1 stop10h 40mFrontier
Mon 12/1510:09 amRDU - ONT
1 stop10h 23mFrontier
Deal found 12/8$284
This Frontier deal was found by Cheapflights users on 12/8. 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 12/296:45 amONT - RDU
1 stop8h 56mFrontier
Fri 1/97:36 pmRDU - ONT
1 stop7h 20mFrontier
Deal found 12/8$289
This Frontier deal was found by Cheapflights users on 12/7. 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 12/256:45 amONT - RDU
1 stop8h 56mFrontier
Wed 12/317:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/7$307
This Frontier deal was found by Cheapflights users on 12/8. 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 12/256:45 amONT - RDU
1 stop8h 56mFrontier
Mon 1/57:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/8$324
This Frontier deal was found by Cheapflights users on 12/8. 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 12/226:45 amONT - RDU
1 stop8h 56mFrontier
Mon 1/127:36 pmRDU - ONT
1 stop7h 20mFrontier
Deal found 12/8$333

Find flight deals from Ontario to Raleigh

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Raleigh (RDU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$149
(CheapOair)

One-way from

$73
(Super.com)

Popular in

January

Cheapest in

August

Average price

$444
Provider with most accurate pricing for Ontario-Raleigh-Durham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Raleigh-Durham flights.
Search Deals
From Ontario to Raleigh-Durham
Search Deals
One-way flight from Ontario to Raleigh-Durham
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Raleigh 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 9, 2025.
Use the filters below to find and compare flights from Ontario to Raleigh that are best for you.

Fly from

Ontario

Fly to

Raleigh

Route

Depart

Return

Price

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 1/29

2:06 pm-4:27 pm

1 stop23h 21m

Raleigh-Durham

Thu 2/12

10:44 am-6:01 pm

1 stop10h 17m

$232

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 12/25

11:15 am-9:11 pm

1 stop6h 56m

Raleigh-Durham

Tue 1/6

7:36 am-1:56 pm

1 stop9h 20m

$269

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 1/10

1:11 pm-11:48 pm

1 stop7h 37m

Raleigh-Durham

Mon 1/12

7:36 am-1:56 pm

1 stop9h 20m

$302

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 1/22

4:03 pm-6:04 pm

1 stop23h 01m

Raleigh-Durham

Mon 1/26

7:04 pm-3:08 pm

1 stop23h 04m

$306

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 1/15

1:11 pm-11:48 pm

1 stop7h 37m

Raleigh-Durham

Sat 1/17

7:36 am-1:56 pm

1 stop9h 20m

$311

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 1/29

7:30 am-11:48 pm

2 stops13h 18m

Raleigh-Durham

Sun 2/1

7:36 am-1:56 pm

1 stop9h 20m

$312

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 12/18

6:45 am-6:41 pm

1 stop8h 56m

Raleigh-Durham

Thu 1/8

7:36 pm-11:56 pm

1 stop7h 20m

$333

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 12/25

11:15 am-9:11 pm

1 stop6h 56m

Raleigh-Durham

Fri 1/9

6:59 pm-11:31 am

2 stops19h 32m

$337

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 1/10

5:05 am-5:14 pm

2 stops9h 09m

Raleigh-Durham

Mon 1/12

4:07 pm-8:58 pm

1 stop7h 51m

$342

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 2/18

10:39 pm-10:36 am

1 stop8h 57m

Raleigh-Durham

Mon 2/23

3:00 pm-9:29 pm

1 stop9h 29m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 21 results
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Compare providers for flights from Ontario to Raleigh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Raleigh in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Raleigh flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Raleigh flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Raleigh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Raleigh flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Raleigh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Raleigh

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

How far ahead should I book a flight from Ontario to Raleigh?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Raleigh. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Raleigh, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $126). Flying from Ontario to Raleigh in December is currently the most expensive (average of $289). 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 ONT to RDU?

Find hourly flight availability from Ontario to Raleigh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 9, 2025.

It’s optimal to fly from Ontario to Raleigh in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Raleigh

Get insights into the airlines that provide service to Raleigh. 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 Raleigh. Reviews last updated December 9, 2025.
Read through reviews of airlines operating flights from Ontario to Raleigh, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,011 reviews
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,089 reviews
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,085 reviews
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Raleigh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Raleigh?

    For as low as $269, Frontier can have you in Raleigh from Ontario in 6h 56m. Ontario and Raleigh are separated by a distance of 2185 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Ontario to Raleigh round-trip?

    Frontier, at $150, was found to be the cheapest airline from Ontario to Raleigh.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Frontier is priced at 61% lower than the current average price of a flight leaving 3 months from now.

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

    $77 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 United Airlines, with prices starting from $144 and $144, respectively.

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

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

  • How can I find direct flights from Ontario to Raleigh?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Raleigh 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 Ontario to Raleigh?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $126). Flying from Ontario to Raleigh in December is currently the most expensive (average of $289). 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

Traveling to a place near Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Rocky Mount
Smithfield
Cary
Garner
Dunn
Danville
Chapel Hill
Selma
Goldsboro
Henderson
Morrisville
Wilson
Pinehurst
Wake Forest
South Hill
Holly Springs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Ontario to Raleigh

Discover the top 5 airlines that operate flights from Ontario to Raleigh. 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 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$151Average$279FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$278Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$292Average$388FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$382FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$315Average$441FlexibilityNo cancel feeOn-time63%

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