$70 Cheap Flights from Raleigh (RDU) to Ontario (ONT)

View $70 flight on Thu, Jan 22, 2026Opens in a new window

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Raleigh to Ontario (RDU-ONT)

Prices were available within the past 7 days and start at $70 for one-way flights and $144 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Dec 5 - Sat, Dec 13
RDU
Raleigh
ONT
Ontario
$144 Roundtrip, found 18 hours ago
$144
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Raleigh to Ontario, returning Sat, Dec 13, priced at $144 found 18 hours ago
Frontier Airlines
Fri, Nov 14 - Mon, Nov 17
RDU
Raleigh
ONT
Ontario
$147 Roundtrip, found 9 hours ago
$147
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Raleigh to Ontario, returning Mon, Nov 17, priced at $147 found 9 hours ago
Frontier Airlines
Mon, Nov 10 - Mon, Nov 17
RDU
Raleigh
ONT
Ontario
$186 Roundtrip, found 20 hours ago
$186
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Mon, Nov 10 from Raleigh to Ontario, returning Mon, Nov 17, priced at $186 found 20 hours ago
Frontier Airlines
Fri, Dec 5 - Sat, Dec 6
RDU
Raleigh
ONT
Ontario
$193 Roundtrip, found 10 hours ago
$193
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Raleigh to Ontario, returning Sat, Dec 6, priced at $193 found 10 hours ago
Frontier Airlines
Fri, Dec 5 - Sat, Dec 13
RDU
Raleigh
ONT
Ontario
$202 Roundtrip, found 18 hours ago
$202
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Raleigh to Ontario, returning Sat, Dec 13, priced at $202 found 18 hours ago
Frontier Airlines
Thu, Nov 6 - Thu, Nov 13
RDU
Raleigh
ONT
Ontario
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Raleigh to Ontario, returning Thu, Nov 13, priced at $216 found 1 day ago
American Airlines
Wed, Jan 14 - Thu, Jan 15
RDU
Raleigh
ONT
Ontario
$287 Roundtrip, found 1 day ago
$287
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jan 14 from Raleigh to Ontario, returning Thu, Jan 15, priced at $287 found 1 day ago
United
Wed, Dec 17 - Wed, Dec 31
RDU
Raleigh
ONT
Ontario
$287 Roundtrip, found 6 hours ago
$287
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Dec 17 from Raleigh to Ontario, returning Wed, Dec 31, priced at $287 found 6 hours ago
JetBlue Airways
Wed, May 6 - Tue, May 12
RDU
Raleigh
ONT
Ontario
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, May 6 from Raleigh to Ontario, returning Tue, May 12, priced at $295 found 1 day ago
Delta
Thu, Nov 27 - Wed, Dec 3
RDU
Raleigh
ONT
Ontario
$297 Roundtrip, found 3 hours ago
$297
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Nov 27 from Raleigh to Ontario, returning Wed, Dec 3, priced at $297 found 3 hours ago

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

April is typically the cheapest month to fly

From $160 - $428 per traveler.

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Average driving time to city center is 42 minutes. Flights from $552
SNA
John Wayne
Average driving time to city center42 min
Flights from $552
Select flight to San Bernardino Intl. SBD. Average driving time to city center is 32 minutes. Flights from $892
SBD
San Bernardino Intl.
Average driving time to city center32 min
Flights from $892

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Lock in a cheap one-way flight from $70 or cheap return flight from $144 from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT)?
The cheapest month to fly from RDU to ONT is December, when there's less demand. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from RDU to ONT. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT)?
Direct flights from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RDU to ONT?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT)?
To land at Los Angeles - Ontario Intl. Airport (ONT) without delays, select a flight that leaves from Raleigh - Durham Intl. Airport (RDU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Ontario from Raleigh - Durham Intl. Airport (RDU)?
Los Angeles Intl. Airport (LAX) is the only airport in Ontario with direct flights from Raleigh - Durham Intl. Airport (RDU). Explore the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute bookings from RDU to ONT are usually more expensive. For the best prices, start looking for flights early. That being said, if you're flexible with your travel plans, you may land a cheap fare right before you leave.
Is it cheaper to book a RDU to ONT flight and hotel package?
Securing a RDU to ONT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT)?
In most cases, you can reschedule or cancel your RDU to ONT flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$134
Distance
2185 mi

Book with confidence

Raleigh to Ontario Flights

The cheapest times to fly from Raleigh to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to Ontario are during the month of December. You can find some of the cheapest flights from Raleigh to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to Ontario

Sunday is one of the best days to book for cheap flights from Raleigh to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Raleigh to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Raleigh to Ontario Flights

Explore a world of travel with Expedia

*Available to One Key members.