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$55+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Raleigh-Durham are usually found in August or June, booked 85 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 June 30, 2025.

Round-trip from

$150
(Priceline)

One-way from

$55
(Priceline)

Popular in

November

Cheapest in

August

Average price

$378
From Ontario to Raleigh-Durham
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One-way flight from Ontario to Raleigh-Durham
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Highest demand for flights based on searches. 15% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 30, 2025.

This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:22 pmONT - RDU
1 stop8h 13mFrontier
Thu 8/215:32 pmRDU - ONT
1 stop9h 18mFrontier
Deal found 6/29$150
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 8/1610:29 pmONT - RDU
1 stop7h 35mAmerican Airlines
Wed 8/207:13 amRDU - ONT
1 stop7h 39mAmerican Airlines
Deal found 6/30$297
This Delta deal was found by Cheapflights users on 6/30. 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.
Sat 8/167:05 amONT - RDU
1 stop9h 12mDelta
Sat 8/235:20 amRDU - ONT
1 stop8h 15mDelta
Deal found 6/30$298

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 June 30, 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

Wed 8/13

7:22 pm-6:35 am

1 stop8h 13m

Raleigh-Durham

Thu 8/21

5:32 pm-11:50 pm

1 stop9h 18m

$150

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 8/16

10:29 pm-9:04 am

1 stop7h 35m

Raleigh-Durham

Wed 8/20

7:13 am-11:52 am

1 stop7h 39m

$297

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 8/16

7:05 am-7:17 pm

1 stop9h 12m

Raleigh-Durham

Sat 8/23

5:20 am-10:35 am

1 stop8h 15m

$298

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 7/17

5:14 pm-6:35 am

1 stop10h 21m

$55

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 9/27

1:15 pm-10:50 pm

1 stop6h 35m

$144

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 9/13

11:50 am-11:58 pm

1 stop9h 08m

$149

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Fri 9/5

10:56 pm-10:32 am

1 stop8h 36m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

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 June 27, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Raleigh, you should look to book at least 85 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 June 30, 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.

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 June 30, 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
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,852 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,920 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 $150, was found to be the cheapest airline from Ontario to Raleigh.Alternate airlines to your destination round-trip include American Airlines and Delta. Frontier is priced at 64% 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?

    $55 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $144 and $149, 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
Rocky Mount
Chapel Hill
Goldsboro
Apex
Garner
Wilson
Wake Forest
Danville
Henderson
Holly Springs
Oxford

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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$278FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$242Average$426FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$316Average$418FlexibilityNo cancel feeOn-time71%
DeltaCheapest$326Average$449FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$342Average$451FlexibilityNo cancel feeOn-time63%

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