rdu-to-ont

 

The cheapest times to fly from RDU to ONT are

  • January 1st to February 25th
  • April 23rd to May 6th
  • August 6th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from RDU to ONT is late October to early November. Prices can be as high as $982 for Sunday flights during early April, or as low as $292 for Tuesday flights around late October to early November.

 

When to Fly to Ontario

Flying from Raleigh/Durham, NC (RDU) to Ontario, CA (ONT) will usually cost between $313 to $641 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $312. Due to high demand the most expensive time to fly is early April, with an average price of $589. Planning your trip to low-cost times can easily save you $277 on economy flights and even more on first-class flights. Generally, any price below $423 can be considered a good price for a round-trip RDU to ONT flight.

See below for a graph of average weekly prices for the RDU to ONT route. All prices are for round-trip tickets in USD.

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RDU to ONT Flight Prices

Compared to other flights, the RDU to ONT flight is much cheaper than the average and costs much less than the average flight leaving from Raleigh. The average price per mile (for a direct flight) is $0.12, which is far below average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $128 (24%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $395. Return trip prices are from the ONT to RDU flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from RDU to ONT can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 55 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from RDU to ONT while comparing.

Destination alternative #1: Los Angeles International Airport (LAX) in Los Angeles, CA

  • 47 miles (76 km) away from ONT
  • Usually 23.40% less expensive than ONT
  • Nonstop flights available

See RDU to LAX flights

Destination alternative #2: Bob Hope Airport (BUR) in Burbank, CA

  • 44 miles (71 km) away from ONT
  • Usually 9.22% less expensive than ONT
  • 1-layover flights available

See RDU to BUR flights

Destination alternative #3: San Diego International Airport (SAN) in San Diego, CA

  • 94 miles (151 km) away from ONT
  • Usually 8.39% less expensive than ONT
  • Nonstop flights available

See RDU to SAN flights

Destination alternative #4: John Wayne-Orange County Airport (SNA) in Santa Ana, CA

  • 30 miles (48 km) away from ONT
  • Usually 6.86% less expensive than ONT
  • 1-layover flights available

See RDU to SNA flights

Destination alternative #5: Meadows Field Airport (BFL) in Bakersfield, CA

  • 126 miles (203 km) away from ONT
  • Usually 3.66% less expensive than ONT
  • 1-layover flights available

See RDU to BFL flights

 

Flight Questions Answered

Still have questions about flying from RDU to ONT? We’ve got answers.

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Alaska, American, Delta, Frontier, JetBlue, Qatar Airways, Southwest, United, and potentially more during busy seasons.

How far away is it from Ontario International Airport to Raleigh-Durham International Airport?

The distance between the two airports is roughly 2186 miles or 3518 kilometers.

How long does it take to fly from RDU to ONT?

The real-world flight time for a nonstop RDU to ONT flight is about 4 hour 55 minutes.

How many flights go between Raleigh/Durham, NC and Ontario, CA?

It depends on the day of the week and the date, but a typical day might have around 78 available flights from RDU to ONT.

 

Airport Location Info

 

Departing Airport

Origination code RDU
Origination airport name Raleigh-Durham International Airport
City Raleigh/Durham, NC
Country the United States
Latitude 35.9
Longitude -78.8

Return Airport

Destination code ONT
Destination airport name Ontario International Airport
City Ontario, CA
Country the United States
Latitude 34.1
Longitude -117.6

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.