CA $250 Cheap Flights from Wilmington (ILM) to Ontario (ONT)

View CA $250 flight on Wed, Aug. 13, 2025Opens in a new window

Popular airlines from Wilmington Intl. Airport (ILM) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap flights from Wilmington (ILM) to Ontario (ONT)

Prices were available within the past 7 days and start at CA $250 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Wilmington (ILM) to Ontario (ONT)

February is typically the cheapest month to fly

From CA $395 - CA $848 per traveller.

Graph displaying average flight prices per month

Flight from Wilmington to Ontario (ILM - ONT) route information
Origin airport
Wilmington Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
3605 km

Wilmington to Los Angeles Flights

The easy way to book your flights from Wilmington to Ontario 

With Expedia, it’s simple to find and book flights to Ontario from Wilmington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Wilmington to Ontario today, tomorrow, or this week.  

 

Save dollars with cheap flights from Wilmington Intl., ILM to Los Angeles - Ontario Intl., ONT 

Sort your search results by price to find great deals on your flight from Wilmington to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Wilmington currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ontario  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Ontario from Wilmington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today.

Frequently asked questions

How much is a flight from ILM to Los Angeles - Ontario Intl. Airport (ONT)?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from ILM to Ontario Airport start from . Book now to secure the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Wilmington Intl. Airport to ONT?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from ILM to Ontario Airport that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from Wilmington Intl. Airport (ILM) to ONT. This allows you to secure a great price in advance and still have the freedom to make changes without any extra fees. If the new flight costs more, you'll just cover the difference.
How many hours is the flight from Wilmington Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT)?
There are lots of ways to make the 6 hours and 47 minutes between Wilmington Intl. Airport and Los Angeles - Ontario Intl. Airport (ONT) fly by. If you want to be productive, sort through your camera roll or delete all those unwanted emails. A snooze also helps pass the time!
How far is the flight from Wilmington Intl. Airport (ILM) to Los Angeles - Ontario Intl. Airport (ONT)?
The flight distance between Wilmington Intl. Airport (ILM) and ONT is 3,600 kilometres. Pack yourself a snack, a drink and an interesting novel to read. Keep yourself busy in the air and time will zip by.
Which airlines fly direct from Wilmington Intl. Airport (ILM) to Los Angeles - Ontario Intl. Airport (ONT)?
There are no direct flights, so you'll have to make at least one stop between Wilmington Intl. Airport and Los Angeles - Ontario Intl. Airport (ONT). Take advantage of the layover time to stretch your legs and grab a bite to eat.
Are ILM to ONT flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally find a bargain, with some super cheap airfares from ILM to Los Angeles - Ontario Intl. Airport (ONT) popping up a few weeks before the date of departure. If you'd rather plan ahead, Expedia compares and updates the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance.

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