Cheap Flights from Dublin (DUB) to Ontario Intl. Airport (ONT)

Popular airlines from Dublin Airport (DUB) to Los Angeles - Ontario Intl. Airport (ONT)

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Frequently asked questions

How do I find cheap flights from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
To find a cheap flight from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
There are approximately 33 connecting flights per day from Dublin (DUB) to Los Angeles - Ontario Intl. (ONT). Some common connection points include Heathrow (LHR), Pearson Intl. (YYZ), and Frankfurt Intl. (FRA).
What is the earliest flight from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The earliest flight from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) (ONT) typically departs at approximately 5:55 AM local time. This service is operated by Air France and Delta. This is a seasonal service active in April. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
You'll typically find the most flights from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) on a Tuesday, with around 43 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Aer Lingus, United Airlines, and Delta Air Lines.
What are the most popular departure times for flights from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The most popular departure times for flights from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) are between 9am and 12pm. This accounts for around 51% of total traffic. Many major carriers, including United Airlines, American Airlines and Aer Lingus, offer flights during this window. Many travelers prefer these morning flights as they allow for an early start to your journey, getting you to your destination with plenty of time left in the day.
How long does it take to fly from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Flights from DUB to ONT with one stop typically take around 19 hours, covering approximately 5,136 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Select the "Business class" and "First class" filters when looking for DUB to ONT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ontario from DUB (DUB)?
If you're planning to travel to Ontario from DUB (DUB), you can fly directly into Los Angeles - Ontario Intl. (ONT) Some flights may connect through major hubs like Heathrow (LHR), O'Hare Intl. (ORD), Liberty Intl. (EWR) before reaching Ontario. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package?
Securing a Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
If you booked your Dublin (DUB) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dublin
Destination airport
Ontario Intl. Airport
Distance
8216 km

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Dublin to Los Angeles Flights

The easy way to book your flights from Dublin to Ontario Intl. Airport 

With Expedia, it’s simple to find and book flights to Ontario Intl. Airport from Dublin whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Ontario Intl. Airport, 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 Dublin to Ontario Intl. Airport today, tomorrow, or this week.  

 

Save dollars with cheap flights from Dublin, DUB to Ontario Intl. Airport, ONT 

Sort your search results by price to find great deals on your flight from Dublin to Ontario Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario Intl. Airport from Dublin 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 Intl. Airport  
  • 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 Intl. Airport from Dublin 

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 Intl. Airport with Expedia today.

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