HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Raleigh

$98+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Ontario to Raleigh-Durham are usually found in May or February, booked 11 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap 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 mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$206
(Cheapflightsfares)

One-way from

$98
(Cheapflightsfares)

Popular in

November

Cheapest in

May

Average price

$367
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. 15% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find 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 mayo 1, 2025.

This Frontier deal was found by Cheapflights users on 4/30. 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.
mar. 5/2012:59 amONT - RDU
1 stop12h 48mFrontier
sáb. 5/317:30 amRDU - ONT
1 stop11h 50mFrontier
Deal found 4/30$198
This Delta deal was found by Cheapflights users on 4/30. 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.
mar. 6/311:44 amONT - RDU
1 stop9h 15mDelta
mar. 6/175:20 pmRDU - ONT
1 stop8h 05mDelta
Deal found 4/30$307
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/286:41 pmONT - RDU
1 stop7h 13mUnited Airlines
mié. 6/410:20 amRDU - ONT
2 stops10h 19mUnited Airlines
Deal found 4/30$312
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1711:39 amONT - RDU
1 stop15h 21mAlaska Airlines
lun. 9/227:36 amRDU - ONT
1 stop9h 33mAlaska Airlines
Deal found 4/30$324
This American Airlines deal was found by Cheapflights users on 4/30. 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.
sáb. 6/2110:28 pmONT - RDU
1 stop6h 32mAmerican Airlines
sáb. 6/282:52 pmRDU - ONT
1 stop9h 21mAmerican Airlines
Deal found 4/30$347
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/317:20 amONT - RDU
2 stops12h 40mSouthwest
mié. 6/45:40 amRDU - ONT
2 stops9h 40mSouthwest
Deal found 4/29$372
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/3012:59 amONT - RDU
1 stop12h 33mMultiple Airlines
mié. 6/47:20 amRDU - ONT
1 stop11h 30mMultiple Airlines
Deal found 4/29$431

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 mayo 1, 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

mié. 5/28

7:37 pm-6:00 am

1 stop7h 23m

Raleigh-Durham

vie. 5/30

7:30 am-11:43 am

1 stop7h 13m

$206

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mar. 6/3

4:45 pm-5:41 am

1 stop9h 56m

Raleigh-Durham

dom. 6/8

5:18 pm-11:50 pm

1 stop9h 32m

$287

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mié. 10/1

6:00 am-6:00 am

1 stop21h 00m

Raleigh-Durham

mar. 10/7

5:20 pm-10:39 am

1 stop20h 19m

$306

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mar. 6/3

6:00 am-5:40 pm

1 stop8h 40m

Raleigh-Durham

mar. 6/17

6:25 am-10:38 am

1 stop7h 13m

$307

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mié. 5/28

6:41 pm-4:54 am

1 stop7h 13m

Raleigh-Durham

mié. 6/4

10:20 am-5:39 pm

2 stops10h 19m

$312

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

vie. 6/20

12:59 am-11:00 am

1 stop7h 01m

Raleigh-Durham

sáb. 6/28

4:25 pm-9:13 pm

1 stop7h 48m

$347

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

vie. 6/13

3:20 pm-12:55 am

1 stop6h 35m

Raleigh-Durham

mar. 6/17

6:05 am-12:25 pm

2 stops9h 20m

$357

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mié. 5/28

7:37 pm-6:00 am

1 stop7h 23m

$98

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mar. 6/3

4:45 pm-5:41 am

1 stop9h 56m

$148

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mar. 9/30

1:15 pm-10:45 pm

1 stop6h 30m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 results
1
2

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Raleigh flight deals on Cheapflights vs. FlightHub >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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Raleigh, you should look to book at least 11 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, August is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $206). Flying from Ontario to Raleigh in March is currently the most expensive (average of $294). 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 mayo 1, 2025.

It’s optimal to fly from Ontario to Raleigh in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Ontario to Raleigh?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Raleigh. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Raleigh flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Raleigh by month

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

In terms of precipitation, rainfall in Raleigh ranges from 2.9 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. April is typically the driest time to visit Raleigh when rainfall is around 2.9 in.

Temperature in Raleigh by month

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

If weather is an important factor for your trip to Raleigh, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 mayo 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to Raleigh. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.9

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 Ontario to Raleigh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Frontier, at $206, was found to be the cheapest airline from Ontario to Raleigh.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. Frontier is priced at 51% 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?

    $98 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $153 and $154, 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, August is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $206). Flying from Ontario to Raleigh in March is currently the most expensive (average of $294). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Morrisville
Dunn
Smithfield
Cary
Chapel Hill
Apex
Wilson
Rocky Mount
Garner
Wake Forest
Henderson
Goldsboro
Danville
Oxford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Raleigh

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Raleigh flights
San Francisco to Raleigh flights
San Francisco to Charlotte flights
Ontario to Charlotte flights
Los Angeles to Charlotte flights
Los Angeles to Asheville flights
Santa Ana to Charlotte flights
Burbank to Charlotte flights
Oakland to Charlotte flights
San Diego to Charlotte flights
Sacramento to Charlotte flights
Los Angeles to Knoxville flights
Los Angeles to Norfolk flights
San Francisco to Norfolk flights
Ontario to Asheville flights
San Diego to Raleigh flights
Los Angeles to Wilmington flights
Ontario to Knoxville flights
Los Angeles to Myrtle Beach flights
San Jose to Charlotte flights
San Diego to Knoxville flights
San Francisco to Knoxville flights
San Diego to Norfolk flights
Las Vegas to Raleigh flights
San Francisco to Asheville flights
San Francisco to Myrtle Beach flights
Santa Ana to Raleigh flights
Las Vegas to Charlotte flights
Oakland to Raleigh flights
San Jose to Raleigh flights
Ontario to Norfolk flights
Sacramento to Knoxville flights
Santa Ana to Asheville flights
Las Vegas to Norfolk flights
Los Angeles to Greensboro flights
Ontario to Wilmington flights
Fresno to Charlotte flights
Las Vegas to Myrtle Beach flights
Long Beach to Charlotte flights
Burbank to Raleigh flights
Santa Ana to Norfolk flights
Santa Ana to Knoxville flights
Las Vegas to Knoxville flights
Ontario to Myrtle Beach flights
Sacramento to Raleigh flights
Burbank to Asheville flights
Burbank to Norfolk flights
San Diego to Asheville flights
Reno to Knoxville flights

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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$283FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$242Average$550FlexibilityNo cancel feeOn-time69%
DeltaCheapest$317Average$461FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$332Average$452FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$351Average$451FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.