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$71+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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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 21, 2025.

This Frontier deal was found by Cheapflights users on 12/20. 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 12/20$284
This CheapOair deal was found by Cheapflights users on 12/21. 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.
Fri 12/266:20 pmONT - RDU
1 stop21h 21mFrontier
Mon 1/57:36 pmRDU - ONT
1 stop29h 36mFrontier
Deal found 12/21$334
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.
Sun 12/216:45 amONT - RDU
1 stop8h 56mFrontier
Sun 1/48:43 pmRDU - ONT
1 stop23h 47mFrontier
Deal found 12/18$378
This Frontier deal was found by Cheapflights users on 12/19. 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
Fri 12/267:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/19$393
This CheapOair deal was found by Cheapflights users on 12/21. 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 12/276:45 amONT - RDU
1 stop6h 38mFrontier
Wed 12/317:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/21$394
This Priceline 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 Priceline 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 1/237:39 pmRDU - ONT
1 stop7h 41mFrontier
Deal found 12/18$397
This Frontier deal was found by Cheapflights users on 12/19. 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
Fri 1/27:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/19$413
This Delta deal was found by Cheapflights users on 12/20. 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 12/316:00 amONT - RDU
1 stop8h 11mDelta
Sat 1/36:57 pmRDU - ONT
1 stop7h 26mDelta
Deal found 12/20$429
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:20 pmONT - RDU
1 stop22h 36mFrontier
Fri 1/237:39 pmRDU - ONT
1 stop7h 41mFrontier
Deal found 12/18$447
This Delta deal was found by Cheapflights users on 12/19. 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 12/316:00 amONT - RDU
1 stop8h 11mDelta
Fri 1/26:30 amRDU - ONT
2 stops12h 42mDelta
Deal found 12/19$455

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 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$166
(CheapOair)

One-way from

$71
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$456
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. 16% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 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 21, 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 2/26

6:05 am-4:00 pm

1 stop6h 55m

Raleigh-Durham

Mon 3/2

5:11 pm-11:59 pm

1 stop9h 48m

$182

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Tue 1/20

7:15 am-11:51 pm

2 stops37h 36m

Raleigh-Durham

Mon 1/26

7:39 pm-3:07 pm

1 stop22h 28m

$184

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 1/8

6:00 am-6:41 pm

1 stop9h 41m

Raleigh-Durham

Fri 1/9

7:36 pm-11:56 pm

1 stop7h 20m

$217

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Fri 2/6

6:20 am-6:44 pm

1 stop9h 24m

Raleigh-Durham

Sun 2/22

3:08 pm-2:30 pm

2 stops26h 22m

$225

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 2/12

2:08 pm-1:39 pm

1 stop20h 31m

Raleigh-Durham

Tue 2/17

6:20 am-9:34 pm

2 stops42h 14m

$230

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 1/17

4:03 pm-6:04 pm

1 stop23h 01m

Raleigh-Durham

Sun 1/25

7:04 pm-11:56 pm

1 stop31h 52m

$246

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 2/5

6:00 am-6:04 pm

1 stop9h 04m

Raleigh-Durham

Mon 2/9

7:04 pm-3:08 pm

1 stop23h 04m

$246

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Fri 2/6

4:03 pm-6:04 pm

1 stop23h 01m

Raleigh-Durham

Sun 2/8

7:04 pm-10:59 am

1 stop18h 55m

$246

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 2/5

11:53 am-6:04 pm

1 stop27h 11m

Raleigh-Durham

Sun 2/8

7:04 pm-10:59 am

1 stop18h 55m

$246

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 1/29

4:03 pm-6:04 pm

1 stop23h 01m

Raleigh-Durham

Sun 2/1

7:04 pm-11:56 pm

1 stop31h 52m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

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 19, 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 $267). 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 21, 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 21, 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

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

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

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

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
8,014 reviews
Southwest
8.0
Very good
4,254 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

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
9,102 reviews
Southwest
8.0
Very good
4,254 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

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
11,052 reviews
Southwest
8.0
Very good
4,254 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

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
3,078 reviews
Southwest
8.0
Very good
4,254 reviews

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

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 $182, Frontier can have you in Raleigh from Ontario in 6h 55m. Ontario and Raleigh are separated by a distance of 2185 mi.

  • 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 62% 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 $267). 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
Danville
Chapel Hill
Selma
Garner
Goldsboro
Henderson
Morrisville
Wilson
Pinehurst
Dunn
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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$278FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$278Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$380FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$383FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$306Average$446FlexibilityNo cancel feeOn-time63%

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