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Cheap flights from Belfast to Ontario from £707

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ONT
26 Aug — 2 Sep1
1 adult

Cheap flight deals from Belfast to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 August 2025.

Popular in

August

Cheapest in

June

Average price

£1,072
Highest demand for flights based on searches. 9% potential increase in price (£50 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£29 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Belfast to Ontario

Cheapest flights from Belfast to Ontario
Explore the most affordable flight options available from Belfast to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2025.

Tue 19/820:20BHD - ONT
2 stops27h 46mMultiple Airlines
Tue 26/810:50ONT - BHD
2 stops18h 10mMultiple Airlines
Deal found 19/8£1,632

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 August 2025.
Use the filters below to find and compare flights from Belfast to Ontario that are best for you.

Fly from

Belfast

Fly to

Ontario

Route

Depart

Return

Price

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Tue 28/10

11:25-22:42

2 stops18h 17m

£707

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Sat 10/1

11:35-22:02

2 stops18h 27m

£1,106

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 19/9

06:30-15:57

2 stops17h 27m

£1,178

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Best time to book a flight from Belfast to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Belfast with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast to Ontario

What is the cheapest month to book a flight from Belfast to Ontario?

Currently, March is the cheapest month in which you can book a flight from Belfast to Ontario (average of £516). Flying from Belfast to Ontario in August is currently the most expensive (average of £827). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Belfast?

    For a flight from Belfast to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from Belfast per day. 0 airlines have flights to Ontario from Belfast on a regular basis.

  • Can I find deals for flights from Belfast to Ontario that include hotel bookings?

    Yes. In addition to deals on Belfast to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Ontario.

  • Can I find deals for business class flights from Belfast to Ontario?

    Yes. Cheapflights offers flight deals from Belfast to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Belfast to Ontario?

    Currently, March is the cheapest month in which you can book a flight from Belfast to Ontario (average of £516). Flying from Belfast to Ontario in August is currently the most expensive (average of £827). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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How does Cheapflights help users find flights from Belfast to Ontario?

Cheapflights helps you search for flights from Belfast to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Belfast to Ontario?

Cheapflights simply makes it quick and affordable to book flights from Belfast to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Belfast to Ontario with no change fees?

Yes, we can. To see specific flights from Belfast to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Belfast to Ontario become cheaper?

Of course! You can now track prices for flights from Belfast to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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