$105 Cheap Frontier Airlines flights Ontario (ONT) to Raleigh (RDU)

Scoring cheap one-way Frontier Airlines flights from ONT to RDU from $105 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $210 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines flights to Raleigh tend to be cheaper in the quieter months of January and December. Whether you’re in search of a round-trip or one-way ticket, you could find a better deal then.

To find cheap Frontier Airlines fares from Los Angeles - Ontario Intl. Airport (ONT) to Raleigh - Durham Intl. Airport (RDU), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, hit search and use the “Nonstop” filter on Expedia to browse any direct flights from ONT to RDU with Frontier Airlines or other carriers.

Filter your results by “Morning” and “Early Morning” to see the earliest departures from ONT to RDU. Setting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Raleigh - Durham Intl. Airport (RDU) is the main Raleigh gateway for Frontier Airlines flights from Los Angeles - Ontario Intl. Airport (ONT).

Depart from ONT to RDU with Frontier Airlines and enjoy a range of perks starting with a rewarding loyalty program. When you book through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of making your booking, but your airline may charge you after that. For more details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your itinerary without additional costs, apply the “Changes included” and “No cancel fee” filters when organizing your next adventure.