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Cheap flights from Belfast Intl Airport to Ontario from C$ 404

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
5 Aug — 12 Aug1
1 adult

Cheap flight deals from Belfast Intl to Ontario

Keep the following information in mind while searching for Belfast Intl to Ontario flight deals. Data was last updated 31 July 2025.

Round-trip from

C$ 778

One-way from

C$ 404

Popular in

August

Cheapest in

May

Average price

C$ 1,180
14/9-21/9
  • 14/9-21/9
  • 2 total stops
  • 40h 00m total
  • Belfast to Ontario
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15/9
  • 15/9
  • 2 total stops
  • 36h 50m total
  • Belfast to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 239 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 64 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Belfast Intl to Ontario

Cheapest flights from Belfast Intl to Ontario
Explore the most affordable flight options available from Belfast Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Sun 14/97:45 a.m.BFS - YYZ
1 stop11h 25mMultiple Airlines
Sun 21/910:15 p.m.YYZ - BFS
1 stop28h 35mMultiple Airlines
Deal found 31/7C$ 778
Thu 4/96:10 a.m.BFS - YUL
1 stop13h 05mMultiple Airlines
Tue 9/911:05 a.m.YUL - BFS
2 stops27h 15mMultiple Airlines
Deal found 30/7C$ 793
Sun 14/99:55 a.m.BFS - YTZ
2 stops15h 15mMultiple Airlines
Sun 21/96:55 p.m.YTZ - BFS
2 stops20h 25mMultiple Airlines
Deal found 31/7C$ 1,218

Cheapflights Fare Finder

 
Customize your flight search to find flights from Belfast Intl 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 629,999 searches. Data last updated 31 July 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Ontario that are best for you.

Fly from

Belfast Intl

Fly to

Ontario

Route

Depart

Return

Price

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sun 14/9

7:45 a.m.-2:10 p.m.

1 stop11h 25m

Toronto Pearson Intl

Sun 21/9

10:15 p.m.-7:50 a.m.

1 stop28h 35m

C$ 778

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Thu 4/9

6:10 a.m.-2:15 p.m.

1 stop13h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

11:05 a.m.-7:20 p.m.

2 stops27h 15m

C$ 793

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Sun 14/9

9:55 a.m.-8:10 p.m.

2 stops15h 15m

Toronto Island

Sun 21/9

6:55 p.m.-8:20 p.m.

2 stops20h 25m

C$ 1,218

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 15/9

6:20 a.m.-2:10 p.m.

2 stops36h 50m

C$ 404

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Best time to book a flight from Belfast Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Belfast Intl with our price prediction graph.
Estimated round-trip 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 Intl Airport to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What are the most popular routes from Belfast Intl Airport to Region of Ontario?

    When deciding which route to take from Belfast Intl Airport to Region of Ontario consider Belfast Intl - Toronto Pearson Intl, Belfast Intl - Montreal Pierre Elliott Trudeau Intl or Belfast Intl - Toronto Island as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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 Intl Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Region of Ontario (average of C$ 167). Flying from Belfast Intl Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Intl to Ontario?

Cheapflights makes it easy to find Belfast Intl to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Ontario from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Ontario from Belfast Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Belfast Intl today and book when prices fit your budget.

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