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$67+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
1 adult, Economy
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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 May 4, 2026.

This Trip.com deal was found by Cheapflights users on 5/3. 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.
Wed 5/276:00 am
ONT
-
RDU
1 stop26h 31m
Frontier
Fri 5/2912:58 pm
RDU
-
ONT
1 stop9h 13m
Frontier
Deal found 5/3$180
This Expedia deal was found by Cheapflights users on 5/2. 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.
Sun 5/246:00 am
ONT
-
RDU
1 stop26h 31m
Frontier
Sun 5/3112:26 pm
RDU
-
ONT
1 stop24h 39m
Frontier
Deal found 5/2$190
This Booking.com deal was found by Cheapflights users on 5/1. 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 5/246:00 am
ONT
-
RDU
1 stop26h 31m
Frontier
Fri 5/2912:58 pm
RDU
-
ONT
1 stop9h 13m
Frontier
Deal found 5/1$197
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
-
RDU
1 stop14h 26m
Frontier
Sat 5/3010:16 am
RDU
-
ONT
1 stop23h 52m
Frontier
Deal found 4/30$201
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
-
RDU
1 stop14h 26m
Frontier
Sun 5/3112:26 pm
RDU
-
ONT
1 stop24h 39m
Frontier
Deal found 4/30$202
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.
Sat 5/2310:50 am
ONT
-
RDU
1 stop21h 41m
Frontier
Tue 5/2610:16 am
RDU
-
ONT
1 stop24h 19m
Frontier
Deal found 4/29$205
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.
Tue 6/210:50 am
ONT
-
RDU
1 stop21h 41m
Frontier
Tue 6/912:26 pm
RDU
-
ONT
1 stop14h 23m
Frontier
Deal found 4/29$210
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.
Mon 6/18:06 pm
ONT
-
RDU
1 stop14h 31m
Frontier
Tue 6/912:26 pm
RDU
-
ONT
1 stop14h 23m
Frontier
Deal found 4/29$215
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:06 pm
ONT
-
RDU
1 stop14h 31m
Frontier
Sun 5/3112:26 pm
RDU
-
ONT
1 stop24h 39m
Frontier
Deal found 4/29$226

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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Trip.com)

One-way from

$67
(Trip.com)

Popular in

January

Cheapest in

February

Average price

$378
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. 5% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 4, 2026.
Use the filters below to find and compare flights from Ontario to Raleigh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Tue 8/11

12:55 pm-11:57 pm

1 stop8h 02m

Raleigh-Durham

Tue 8/25

6:23 am-10:42 am

1 stop7h 19m

$387

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 5/27

9:50 am-10:52 pm

2 stops10h 02m

Raleigh-Durham

Wed 6/3

1:17 pm-10:32 pm

2 stops12h 15m

$397

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Tue 6/2

11:55 pm-12:50 pm

2 stops9h 55m

Raleigh-Durham

Mon 6/8

4:55 pm-11:30 pm

2 stops9h 35m

$403

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 5/30

10:00 pm-10:27 am

1 stop9h 27m

Raleigh-Durham

Sat 6/6

6:00 am-12:19 pm

2 stops9h 19m

$404

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Fri 8/14

11:56 am-12:42 am

1 stop9h 46m

Raleigh-Durham

Tue 8/25

6:23 am-10:42 am

1 stop7h 19m

$414

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Mon 6/1

12:40 pm-12:20 am

2 stops8h 40m

Raleigh-Durham

Tue 6/9

4:10 pm-10:15 pm

2 stops9h 05m

$425

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 8/1

5:40 am-4:10 pm

1 stop7h 30m

Raleigh-Durham

Tue 8/4

6:45 am-12:30 pm

2 stops8h 45m

$446

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 6/6

9:50 am-11:15 pm

2 stops10h 25m

Raleigh-Durham

Thu 6/11

5:15 am-11:20 am

2 stops9h 05m

$452

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Fri 7/24

12:45 pm-12:40 am

2 stops8h 55m

Raleigh-Durham

Sun 7/26

6:10 pm-12:05 am

1 stop8h 55m

$456

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 5/27

5:00 am-11:16 pm

1 stop15h 16m

Raleigh-Durham

Sat 5/30

5:12 pm-10:51 pm

1 stop8h 39m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 20 resultsSorted by cheapest first
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*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice 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 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 FlightHub the most. FlightHub 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?

To ensure you get the cheapest price possible for a flight from Ontario to Raleigh, you should look to book at least 10 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, February is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $291). Flying from Ontario to Raleigh in January is currently the most expensive (average of $497). 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.

How much does it cost to fly round-trip from Ontario to Raleigh?

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 May 4, 2026.
Read through reviews of airlines operating flights from Ontario to Raleigh, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,307 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

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
7.9
Good
4,307 reviews
Southwest
7.9
Good
4,307 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

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
8,460 reviews
Southwest
7.9
Good
4,307 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

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
9,680 reviews
Southwest
7.9
Good
4,307 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

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
7.1
Good
11,672 reviews
Southwest
7.9
Good
4,307 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

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
5.6
Fair
2,965 reviews
Southwest
7.9
Good
4,307 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

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 $387, Delta can have you in Raleigh from Ontario in 8h 02m. 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 $160, was found to be the cheapest airline from Ontario to Raleigh.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Frontier is priced at 57% 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 Delta and United Airlines, with prices starting from $111 and $118, 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, February is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $291). Flying from Ontario to Raleigh in January is currently the most expensive (average of $497). 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
Goldsboro
Garner
Selma
Danville
Cary
Henderson
Morrisville
Wilson
Pinehurst
Dunn
Chapel Hill
Wake Forest
South Hill
Holly Springs

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.

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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$290FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$222Average$369FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$401FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$264Average$446FlexibilityNo cancel feeOn-time63%
DeltaCheapest$296Average$396FlexibilityNo cancel feeOn-timeN/A

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