$290 Cheap Flights from Crescent City (CEC) to Ontario (ONT)

View $290 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Crescent City, CA (CEC-Del Norte County) to Los Angeles - Ontario Intl. Airport (ONT)

Cheap Flights from Crescent City to Ontario (CEC-ONT)

Prices were available within the past 7 days and start at $290 for one-way flights and $539 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Advanced Air
Wed, Jan 21 - Tue, Feb 3
CEC
Crescent City
ONT
Ontario
$539 Roundtrip, found 5 days ago
$539
Roundtrip
found 5 days ago
Select Advanced Air flight, departing Wed, Jan 21 from Crescent City to Ontario, returning Tue, Feb 3, priced at $539 found 5 days ago
Advanced Air
Wed, Jan 21 - Thu, Feb 5
CEC
Crescent City
ONT
Ontario
$549 Roundtrip, found 5 days ago
$549
Roundtrip
found 5 days ago
Select Advanced Air flight, departing Wed, Jan 21 from Crescent City to Ontario, returning Thu, Feb 5, priced at $549 found 5 days ago
Advanced Air
Wed, Jan 21 - Tue, Feb 3
CEC
Crescent City
ONT
Ontario
$559 Roundtrip, found 1 day ago
$559
Roundtrip
found 1 day ago
Select Advanced Air flight, departing Wed, Jan 21 from Crescent City to Ontario, returning Tue, Feb 3, priced at $559 found 1 day ago
Advanced Air
Wed, Jan 7 - Mon, Jan 26
CEC
Crescent City
ONT
Ontario
$569 Roundtrip, found 1 day ago
$569
Roundtrip
found 1 day ago
Select Advanced Air flight, departing Wed, Jan 7 from Crescent City to Ontario, returning Mon, Jan 26, priced at $569 found 1 day ago
Advanced Air
Fri, Feb 20 - Tue, Mar 3
CEC
Crescent City
ONT
Ontario
$579 Roundtrip, found 1 day ago
$579
Roundtrip
found 1 day ago
Select Advanced Air flight, departing Fri, Feb 20 from Crescent City to Ontario, returning Tue, Mar 3, priced at $579 found 1 day ago
Advanced Air
Wed, Jan 14 - Tue, Jan 27
CEC
Crescent City
ONT
Ontario
$581 Roundtrip, found 5 days ago
$581
Roundtrip
found 5 days ago
Select Advanced Air flight, departing Wed, Jan 14 from Crescent City to Ontario, returning Tue, Jan 27, priced at $581 found 5 days ago
Advanced Air
Wed, Jan 21 - Fri, Feb 6
CEC
Crescent City
ONT
Ontario
$589 Roundtrip, found 1 day ago
$589
Roundtrip
found 1 day ago
Select Advanced Air flight, departing Wed, Jan 21 from Crescent City to Ontario, returning Fri, Feb 6, priced at $589 found 1 day ago
Advanced Air
Wed, Jan 14 - Sun, Feb 1
CEC
Crescent City
ONT
Ontario
$591 Roundtrip, found 5 days ago
$591
Roundtrip
found 5 days ago
Select Advanced Air flight, departing Wed, Jan 14 from Crescent City to Ontario, returning Sun, Feb 1, priced at $591 found 5 days ago
Advanced Air
Wed, Jan 21 - Mon, Feb 9
CEC
Crescent City
ONT
Ontario
$599 Roundtrip, found 1 day ago
$599
Roundtrip
found 1 day ago
Select Advanced Air flight, departing Wed, Jan 21 from Crescent City to Ontario, returning Mon, Feb 9, priced at $599 found 1 day ago
Advanced Air
Tue, Jan 13 - Tue, Jan 27
CEC
Crescent City
ONT
Ontario
$601 Roundtrip, found 1 day ago
$601
Roundtrip
found 1 day ago
Select Advanced Air flight, departing Tue, Jan 13 from Crescent City to Ontario, returning Tue, Jan 27, priced at $601 found 1 day ago

Alternative airports near Ontario

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

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $879
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $879
Flights from Crescent City (CEC) to Ontario (ONT)
Origin airport
Del Norte County
Destination airport
Los Angeles - Ontario Intl.
Roundtrip price
$539
Distance
644 mi

Crescent City to Ontario Flights

The cheapest times to fly from Crescent City 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 Crescent City to Ontario are during the month of January. You can find some of the cheapest flights from Crescent City to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Crescent City to Ontario

Sunday is one of the best days to book for cheap flights from Crescent City 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 Crescent City 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 Crescent City to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $290 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 Crescent City 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 Crescent City 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.

 

Frequently asked questions

How much does a flight from Jack McNamara Field Airport (CEC) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Secure a cheap one-way flight from $290 or cheap return flight from $539 from Jack McNamara Field Airport (CEC) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Jack McNamara Field Airport (CEC) to Los Angeles - Ontario Intl. Airport (ONT)?
The cheapest month to fly from CEC to ONT is January, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Jack McNamara Field Airport (CEC) to Los Angeles - Ontario Intl. Airport (ONT)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from CEC to ONT. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Jack McNamara Field Airport (CEC) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll have to hop on a flight with a layover if you're traveling from Jack McNamara Field Airport (CEC) to Los Angeles - Ontario Intl. Airport (ONT). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from CEC to ONT?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Jack McNamara Field Airport (CEC) to Los Angeles - Ontario Intl. Airport (ONT)?
To arrive at Los Angeles - Ontario Intl. Airport (ONT) on schedule, pick a flight that leaves Jack McNamara Field Airport (CEC) before 3 PM. The chance 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 Jack McNamara Field Airport (CEC)?
If you've booked a direct flight from Jack McNamara Field Airport (CEC) to Ontario, Hawthorne Municipal Airport (HHR) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Jack McNamara Field Airport (CEC) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute fares from CEC to ONT are generally more expensive. For the best prices, start looking for flights well in advance. That said, if you can play around with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a CEC to ONT flight and hotel package?
You can save money by booking a CEC to ONT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your preferred accommodations and flights, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Jack McNamara Field Airport (CEC) to Los Angeles - Ontario Intl. Airport (ONT)?
Typically, you're able to cancel or reschedule your CEC to ONT flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.