Cheap Flights from Belfast (BFS) to Ontario (ONT)

Popular airlines from Belfast International Airport (BFS) to Los Angeles - Ontario Intl. Airport (ONT)

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Frequently asked questions

How much does a flight from Belfast Intl. Airport (BFS) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Secure a cheap one-way flight or cheap return flight from Belfast Intl. Airport (BFS) 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 Belfast Intl. Airport (BFS) to Los Angeles - Ontario Intl. Airport (ONT)?
The cheapest month to fly from BFS to ONT is , when demand is low. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Belfast Intl. Airport (BFS) to Los Angeles - Ontario Intl. Airport (ONT)?
To find the cheapest airline that'll fly you from BFS to ONT, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Belfast Intl. Airport (BFS) to Los Angeles - Ontario Intl. Airport (ONT)?
There aren't any daily nonstop flights available from Belfast Intl. Airport (BFS) to Los Angeles - Ontario Intl. Airport (ONT). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from BFS to ONT?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Belfast Intl. Airport (BFS) to Los Angeles - Ontario Intl. Airport (ONT)?
To land at Los Angeles - Ontario Intl. Airport (ONT) on time, opt for a flight that leaves from Belfast Intl. Airport (BFS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from Belfast Intl. Airport (BFS) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Waiting until just before your trip to book a ticket from BFS to ONT often results in higher prices. While you may come across some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a BFS to ONT flight and hotel package?
Securing a BFS to ONT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Belfast Intl. Airport (BFS) to Los Angeles - Ontario Intl. Airport (ONT)?
Typically, you can cancel or modify your BFS to ONT flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Origin airport
Belfast Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
5085 mi

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Belfast to Ontario Flights

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

 

The best time to book a flight from Belfast to Ontario

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

 

Belfast to Ontario Flights

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*Available to One Key members.