£291 Cheap Flights from Raleigh (RDU) to Ontario Intl. Airport (ONT)

View £291 flight on Sat, 31 Oct 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £291 for one-way flights and £553 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 31 Oct - Sat, 7 Nov
RDU
Raleigh
ONT
Ontario
£553 Return, found 2 days ago
£553
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 31 Oct from Raleigh to Ontario, returning Sat, 7 Nov, priced at £553 found 2 days ago
Alaska Airlines
Sat, 31 Oct - Sat, 7 Nov
RDU
Raleigh
ONT
Ontario
£566 Return, found 2 days ago
£566
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 31 Oct from Raleigh to Ontario, returning Sat, 7 Nov, priced at £566 found 2 days ago
Alaska Airlines
Sat, 31 Oct - Sat, 7 Nov
RDU
Raleigh
ONT
Ontario
£594 Return, found 2 days ago
£594
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 31 Oct from Raleigh to Ontario, returning Sat, 7 Nov, priced at £594 found 2 days ago
Alaska Airlines
Sat, 31 Oct - Sat, 7 Nov
RDU
Raleigh
ONT
Ontario
£607 Return, found 2 days ago
£607
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 31 Oct from Raleigh to Ontario, returning Sat, 7 Nov, priced at £607 found 2 days ago
American Airlines
Wed, 13 May - Wed, 20 May
RDU
Raleigh
ONT
Ontario
£629 Return, found 2 hours ago
£629
Return
found 2 hours ago
Select American Airlines flight, departing Wed, 13 May from Raleigh to Ontario, returning Wed, 20 May, priced at £629 found 2 hours ago
Delta
Wed, 13 May - Wed, 20 May
RDU
Raleigh
ONT
Ontario
£630 Return, found 2 hours ago
£630
Return
found 2 hours ago
Select Delta flight, departing Wed, 13 May from Raleigh to Ontario, returning Wed, 20 May, priced at £630 found 2 hours ago
United
Wed, 13 May - Wed, 20 May
RDU
Raleigh
ONT
Ontario
£630 Return, found 2 hours ago
£630
Return
found 2 hours ago
Select United flight, departing Wed, 13 May from Raleigh to Ontario, returning Wed, 20 May, priced at £630 found 2 hours ago
American Airlines
Wed, 13 May - Wed, 20 May
RDU
Raleigh
ONT
Ontario
£691 Return, found 2 hours ago
£691
Return
found 2 hours ago
Select American Airlines flight, departing Wed, 13 May from Raleigh to Ontario, returning Wed, 20 May, priced at £691 found 2 hours ago
Alaska Airlines
Sat, 31 Oct - Sat, 7 Nov
RDU
Raleigh
ONT
Ontario
£722 Return, found 2 days ago
£722
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 31 Oct from Raleigh to Ontario, returning Sat, 7 Nov, priced at £722 found 2 days ago
Delta
Wed, 13 May - Wed, 20 May
RDU
Raleigh
ONT
Ontario
£725 Return, found 2 hours ago
£725
Return
found 2 hours ago
Select Delta flight, departing Wed, 13 May from Raleigh to Ontario, returning Wed, 20 May, priced at £725 found 2 hours ago

Frequently asked questions

What is the cheapest month to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
January is typically the cheapest month to fly from Raleigh - Durham Intl. (RDU) to Los Angeles - Ontario Intl. (ONT), with average return fares of approximately £240. This is about 23% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. August and September are also good months to find deals on this route.
How do I find cheap flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
To find a cheap flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The best time to fly from Raleigh - Durham Intl. (RDU) to Los Angeles - Ontario Intl. (ONT) is typically January or August. Based on booking data from the past year, these months offer the lowest average prices, around £240 for a return flight. While these might not be the absolute busiest travel times, flying during these months can help you save money, giving you more to spend on your trip.
How many flights per day from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
There are approximately 68 connecting flights per day from Raleigh - Durham Intl. (RDU) to Los Angeles - Ontario Intl. (ONT). Some common connection points include Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW), and O'Hare Intl. (ORD).
What is the earliest flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The earliest flight from Raleigh - Durham Intl. (RDU) to Los Angeles - Ontario Intl. (ONT) typically departs at approximately 5:00 AM local time. This service is operated by American Airlines and is seasonal, active in January, May, June, November, and December. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
You'll typically find the most flights from Raleigh - Durham Intl. (RDU) to Los Angeles - Ontario Intl. (ONT) on a Friday, with around 62 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Southwest Airlines. Flight options on Friday are notably more than other days, offering you a good selection.
What are the most popular departure times for flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The most popular departure times for flights from Raleigh - Durham Intl. (RDU) to Los Angeles - Ontario Intl. (ONT) are in the early morning, from 6am to 9am. This accounts for around 29% of total traffic. Many major carriers, including Southwest Airlines, American Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Flying from RDU to ONT with a connection usually takes about 7 hours 30 minutes, traveling roughly 2,186 miles. 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Select the "Business class" and "First class" filters when looking for RDU to ONT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight with Expedia?
It's easy to earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) 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.
What airports do you fly into for Ontario from Raleigh - Durham Intl. (RDU)?
From Raleigh - Durham Intl. (RDU), you can fly directly into Los Angeles - Ontario Intl. (ONT) to reach Ontario. Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), Nashville Intl. (BNA) before reaching Ontario. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) at the last minute?
Typically, booking a last minute flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package?
Securing a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
If you booked your Raleigh, NC (RDU-Raleigh - Durham Intl.) to Ontario, CA (ONT-Los Angeles - Ontario 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
Raleigh - Durham Intl.
Destination airport
Ontario Intl. Airport
Return price
£552
Distance
3497 km

Book with confidence

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

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Raleigh to Ontario Intl. Airport. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Ontario Intl. Airport in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Raleigh - Durham Intl. to Ontario Intl. Airport.  

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 Raleigh - Durham Intl. (RDU) to Ontario Intl. Airport (ONT)

The easiest way to view the best deals on flights from Raleigh to Ontario Intl. Airport 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 Raleigh - Durham Intl. to Ontario Intl. Airport start at just £553 and range up to £725.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Raleigh - Durham Intl. to Ontario Intl. Airport 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 Raleigh to Ontario Intl. Airport easily and book with confidence

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