£141 Cheap Flights from Raleigh (RDU) to Ontario (ONT)

View £141 flight on Fri, 5 Dec 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 25% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £141 for one-way flights and £295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£295 Return, found 3 days ago
£295
Return
found 3 days ago
Select American Airlines flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £295 found 3 days ago
Delta
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£296 Return, found 3 days ago
£296
Return
found 3 days ago
Select Delta flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £296 found 3 days ago
American Airlines
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£310 Return, found 3 days ago
£310
Return
found 3 days ago
Select American Airlines flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £310 found 3 days ago
American Airlines
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£314 Return, found 3 days ago
£314
Return
found 3 days ago
Select American Airlines flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £314 found 3 days ago
Delta
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£319 Return, found 3 days ago
£319
Return
found 3 days ago
Select Delta flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £319 found 3 days ago
American Airlines
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£329 Return, found 3 days ago
£329
Return
found 3 days ago
Select American Airlines flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £329 found 3 days ago
United
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£332 Return, found 3 days ago
£332
Return
found 3 days ago
Select United flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £332 found 3 days ago
American Airlines
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£347 Return, found 3 days ago
£347
Return
found 3 days ago
Select American Airlines flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £347 found 3 days ago
American Airlines
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£348 Return, found 3 days ago
£348
Return
found 3 days ago
Select American Airlines flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £348 found 3 days ago
United
Fri, 5 Dec - Thu, 11 Dec
RDU
Raleigh
ONT
Ontario
£355 Return, found 3 days ago
£355
Return
found 3 days ago
Select United flight, departing Fri, 5 Dec from Raleigh to Ontario, returning Thu, 11 Dec, priced at £355 found 3 days ago

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

October is typically the cheapest month to fly

From £116 - £328 per traveller.

Graph displaying average flight prices per month

Flight from Raleigh to Ontario route information
Origin airport
Raleigh - Durham Intl.
Destination airport
Los Angeles - Ontario Intl.
Return price
£294
Distance
3497 km

Compare flights from Raleigh to Ontario easily and book with confidence

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

The easiest way to view the best deals on flights from Raleigh to Ontario 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 Los Angeles - Ontario Intl. start at just £295 and range up to £355.  

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
  • booking your flight during December, 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 flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Raleigh - Durham Intl. to Los Angeles - Ontario 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.  

Frequently asked questions

How much is a flight from Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT)?
The lowest price advertised for a round-trip flight from RDU to Ontario Airport is £295. But you better act fast. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from RDU to Ontario Airport?
The majority of flights can be conveniently cancelled online, but whether you are charged a fee all comes down to your airline. If you do need to cancel your holiday, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Raleigh - Durham Intl. Airport (RDU) to Ontario Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for RDU to Ontario Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Raleigh--Durham Airport to Los Angeles - Ontario Intl. Airport (ONT)?
The flight distance between Raleigh--Durham Airport (RDU) and ONT (ONT) is 3,500 kilometres. Listen to some music or read a good book and the journey will whiz by.
Which airlines fly direct from Raleigh--Durham Airport to ONT?
Unfortunately, there aren't any airlines that fly directly between Raleigh--Durham Airport and Ontario Airport. You'll need to book a flight with one or more stops.
Are Raleigh - Durham Intl. Airport (RDU) to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes score a bargain, with some of the cheapest fares from Raleigh--Durham Airport to ONT cropping up a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continuously --- as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines release prices so far in advance.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Raleigh to Los Angeles Intl.
£198.90

Orange County

Raleigh to John Wayne
£257.60

Burbank

*Available to Expedia members.