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£171 Cheap Flights from Ontario Intl. Airport (ONT) to Raleigh (RDU)

View £171 flight on Sat, 29 Aug 2026Opens in a new window

Popular airlines from Ontario Intl. Airport (ONT) to Raleigh-Durham International Airport (RDU)

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Cheap Flights from Ontario Intl. Airport (ONT) to Raleigh (RDU)

Prices were available within the past 7 days and start at £171 for one-way flights and £250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 29 Aug - Sat, 5 Sept
ONT
Ontario
RDU
Raleigh
£250 Return, found 6 days ago
£250
Return
found 6 days ago
Select Delta flight, departing Sat, 29 Aug from Ontario to Raleigh, returning Sat, 5 Sept, priced at £250 found 6 days ago
Delta
Sat, 29 Aug - Wed, 2 Sept
ONT
Ontario
RDU
Raleigh
£259 Return, found 6 days ago
£259
Return
found 6 days ago
Select Delta flight, departing Sat, 29 Aug from Ontario to Raleigh, returning Wed, 2 Sept, priced at £259 found 6 days ago
Delta
Fri, 28 Aug - Sat, 5 Sept
ONT
Ontario
RDU
Raleigh
£276 Return, found 6 days ago
£276
Return
found 6 days ago
Select Delta flight, departing Fri, 28 Aug from Ontario to Raleigh, returning Sat, 5 Sept, priced at £276 found 6 days ago
Delta
Fri, 28 Aug - Wed, 2 Sept
ONT
Ontario
RDU
Raleigh
£286 Return, found 6 days ago
£286
Return
found 6 days ago
Select Delta flight, departing Fri, 28 Aug from Ontario to Raleigh, returning Wed, 2 Sept, priced at £286 found 6 days ago
Delta
Sun, 30 Aug - Sat, 5 Sept
ONT
Ontario
RDU
Raleigh
£325 Return, found 6 days ago
£325
Return
found 6 days ago
Select Delta flight, departing Sun, 30 Aug from Ontario to Raleigh, returning Sat, 5 Sept, priced at £325 found 6 days ago
Delta
Mon, 31 Aug - Sat, 5 Sept
ONT
Ontario
RDU
Raleigh
£330 Return, found 6 days ago
£330
Return
found 6 days ago
Select Delta flight, departing Mon, 31 Aug from Ontario to Raleigh, returning Sat, 5 Sept, priced at £330 found 6 days ago
United
Wed, 26 Aug - Sun, 6 Sept
ONT
Ontario
RDU
Raleigh
£332 Return, found 6 days ago
£332
Return
found 6 days ago
Select United flight, departing Wed, 26 Aug from Ontario to Raleigh, returning Sun, 6 Sept, priced at £332 found 6 days ago
Delta
Sun, 30 Aug - Wed, 2 Sept
ONT
Ontario
RDU
Raleigh
£334 Return, found 6 days ago
£334
Return
found 6 days ago
Select Delta flight, departing Sun, 30 Aug from Ontario to Raleigh, returning Wed, 2 Sept, priced at £334 found 6 days ago
Delta
Tue, 1 Sept - Thu, 3 Sept
ONT
Ontario
RDU
Raleigh
£338 Return, found 6 days ago
£338
Return
found 6 days ago
Select Delta flight, departing Tue, 1 Sept from Ontario to Raleigh, returning Thu, 3 Sept, priced at £338 found 6 days ago
Delta
Sun, 30 Aug - Thu, 3 Sept
ONT
Ontario
RDU
Raleigh
£413 Return, found 6 days ago
£413
Return
found 6 days ago
Select Delta flight, departing Sun, 30 Aug from Ontario to Raleigh, returning Thu, 3 Sept, priced at £413 found 6 days ago
United
Mon, 31 Aug - Fri, 4 Sept
ONT
Ontario
RDU
Raleigh
£416 Return, found 6 days ago
£416
Return
found 6 days ago
Select United flight, departing Mon, 31 Aug from Ontario to Raleigh, returning Fri, 4 Sept, priced at £416 found 6 days ago

Find the cheapest month to fly from Ontario (ONT) to Raleigh (RDU)

February is typically the cheapest month to fly

From £146 - £591 per traveller.

Frequently asked questions

How much does a flight from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.) cost?
You can find one-way and return flights from ONT to RDU with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ONT to RDU ticket fares go up or down.
What is the cheapest month to fly from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU)?
The cheapest months to fly from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU)?
Enter ONT to RDU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
To find a cheap flight from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The cheapest months to fly from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU) are typically January and August, with average return flights costing around £262. While these months offer the best value, they might not always align with the most popular travel times. If you're flexible, aiming for these months can help you find more affordable fares.
How many flights per day from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
There are approximately 60 connecting flights per day from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.). Some common connection points include Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), and Denver Intl. (DEN).
What is the earliest flight from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
You'll generally find the most flights from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.) on a Thursday, with around 43 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and Alaska Airlines. Looking at the week, Thursdays offer notably more flight options compared to other days, ensuring you have plenty of choices.
What are the most popular departure times for flights from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The most popular departure time for flights from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.) is in the morning, between 6am and 9am. Many major carriers, including Southwest Airlines, American Airlines and United, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to spare, whether for business or leisure.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
A flight from ONT to RDU with a layover takes around 7 hours, with the route covering approximately 3,518 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
You can fly business class or first class between ONT and RDU. Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Delta
First class cabins are available on:
  • Alaska Airlines
  • Delta
  • United
  • American Airlines
How do I earn miles on a Ontario Intl. Airport (ONT) to Raleigh, NC (RDU) flight with Expedia?
It's easy to earn miles on a Ontario Intl. Airport (ONT) to Raleigh, NC (RDU) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU) at the last minute?
Typically, booking a last minute flight from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ontario Intl. Airport (ONT) to Raleigh, NC (RDU) flight and hotel package?
Securing a Ontario Intl. Airport (ONT) to Raleigh, NC (RDU) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
If you booked your Ontario Intl. Airport (ONT) to Raleigh, NC (RDU-Raleigh - Durham Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Raleigh - Durham Intl.
Return price
£250
Distance
3497 km

Book with confidence

Compare flights from Ontario Intl. Airport to Raleigh easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Ontario Intl. Airport to Raleigh. Operating between them flights per day, 18 airlines cover the route. And fly direct, getting you to Raleigh - Durham Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Ontario Intl. Airport to Raleigh - Durham Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Ontario Intl. Airport (ONT) to Raleigh - Durham Intl. (RDU)

The easiest way to view the best deals on flights from Ontario Intl. Airport to Raleigh today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Ontario Intl. Airport to Raleigh - Durham Intl. start at just £250 and range up to £4,600.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Ontario Intl. Airport and Raleigh
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Ontario Intl. Airport to Raleigh flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ontario Intl. Airport to Raleigh - Durham Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Ontario Intl. Airport to Raleigh easily and book with confidence

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