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Cheap flights from Belfast Intl Airport to Ontario from C$ 352

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — YYZ
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Ontario

Enter your travel dates to find the best prices.

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 1 August 2026.

Mon 14/93:35 p.m.
BFS
-
YUL
1 stop25h 00m
Multiple Airlines
Mon 28/96:50 p.m.
YUL
-
BFS
1 stop19h 15m
Multiple Airlines
Deal found 28/7C$ 686
Tue 8/910:30 a.m.
BFS
-
YYZ
3 stops33h 30m
Multiple Airlines
Wed 23/99:35 p.m.
YYZ
-
BFS
2 stops19h 45m
Multiple Airlines
Deal found 29/7C$ 722
Tue 8/910:30 a.m.
BFS
-
YYZ
3 stops33h 30m
Multiple Airlines
Tue 15/99:55 p.m.
YYZ
-
BFS
1 stop13h 25m
Multiple Airlines
Deal found 28/7C$ 735
Mon 21/96:10 a.m.
BFS
-
YUL
2 stops18h 20m
Multiple Airlines
Sun 27/910:05 p.m.
YUL
-
BFS
1 stop19h 30m
Multiple Airlines
Deal found 30/7C$ 763
Mon 7/99:25 p.m.
BFS
-
YYZ
2 stops29h 20m
Multiple Airlines
Sun 13/99:55 p.m.
YYZ
-
BFS
1 stop15h 55m
Multiple Airlines
Deal found 30/7C$ 768
Thu 8/109:35 p.m.
BFS
-
YYZ
1 stop23h 25m
Multiple Airlines
Thu 15/1011:50 p.m.
YYZ
-
BFS
1 stop27h 10m
Multiple Airlines
Deal found 28/7C$ 785
Wed 26/89:50 p.m.
BFS
-
YYZ
3 stops41h 10m
Multiple Airlines
Wed 2/97:15 p.m.
YYZ
-
BFS
1 stop15h 40m
Multiple Airlines
Deal found 29/7C$ 791
Tue 15/95:55 a.m.
BFS
-
YYZ
2 stops14h 05m
Multiple Airlines
Wed 30/910:15 p.m.
YYZ
-
BFS
1 stop16h 00m
Multiple Airlines
Deal found 27/7C$ 802
Mon 7/98:55 p.m.
BFS
-
YTZ
2 stops27h 00m
Multiple Airlines
Sun 13/94:55 p.m.
YTZ
-
BFS
2 stops22h 20m
Multiple Airlines
Deal found 30/7C$ 830
Tue 8/96:15 a.m.
BFS
-
YTZ
2 stops15h 15m
Multiple Airlines
Tue 15/97:00 a.m.
YTZ
-
BFS
2 stops26h 00m
Multiple Airlines
Deal found 28/7C$ 836
Fri 11/96:05 a.m.
BFS
-
YTZ
2 stops33h 10m
Multiple Airlines
Fri 25/94:55 p.m.
YTZ
-
BFS
3 stops18h 35m
Multiple Airlines
Deal found 27/7C$ 1,144
Fri 21/86:05 a.m.
BFS
-
YTZ
2 stops33h 13m
Multiple Airlines
Fri 28/811:55 a.m.
YTZ
-
BFS
2 stops22h 10m
Multiple Airlines
Deal found 30/7C$ 1,288

Find 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 1 August 2026.

Round-trip from

C$ 686

One-way from

C$ 352
14/9-28/9
  • 14/9-28/9
  • 2 total stops
  • 44h 15m total
  • Belfast to Ontario
Search Deals
7/9
  • 7/9
  • 2 total stops
  • 44h 25m total
  • Belfast to Ontario
Search Deals

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 1 August 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 14/9

3:35 p.m.-11:35 a.m.

1 stop25h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

6:50 p.m.-7:05 p.m.

1 stop19h 15m

C$ 686

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 8/9

4:45 p.m.-11:00 a.m.

1 stop23h 15m

Toronto Pearson Intl

Tue 15/9

7:15 p.m.-4:20 p.m.

1 stop16h 05m

C$ 760
Quickest round-trip

BelfastMontreal

BFS - YUL

BFSYUL

Belfast Intl

Mon 21/9

6:10 a.m.-7:30 p.m.

2 stops18h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

10:05 p.m.-10:35 p.m.

1 stop19h 30m

C$ 763

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Tue 15/9

4:45 p.m.-11:00 a.m.

1 stop23h 15m

Toronto Pearson Intl

Wed 30/9

7:15 p.m.-9:10 p.m.

1 stop20h 55m

C$ 768

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Mon 7/9

9:25 p.m.-9:45 p.m.

2 stops29h 20m

Toronto Pearson Intl

Sun 13/9

9:55 p.m.-6:50 p.m.

1 stop15h 55m

C$ 768

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Thu 8/10

9:35 p.m.-4:00 p.m.

1 stop23h 25m

Toronto Pearson Intl

Thu 15/10

11:50 p.m.-8:00 a.m.

1 stop27h 10m

C$ 785

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Mon 7/9

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

2 stops27h 00m

Toronto Island

Sun 13/9

4:55 p.m.-8:15 p.m.

2 stops22h 20m

C$ 830

BelfastToronto

BFS - YTZ

BFSYTZ

Belfast Intl

Tue 8/9

6:15 a.m.-4:30 p.m.

2 stops15h 15m

Toronto Island

Tue 15/9

7:00 a.m.-2:00 p.m.

2 stops26h 00m

C$ 836

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Wed 26/8

9:50 p.m.-9:45 p.m.

3 stops28h 55m

Toronto Pearson Intl

Wed 2/9

7:15 p.m.-8:15 p.m.

2 stops20h 00m

C$ 843

BelfastToronto

BFS - YYZ

BFSYYZ

Belfast Intl

Sat 29/8

9:15 p.m.-9:45 p.m.

2 stops29h 30m

Toronto Pearson Intl

Tue 29/9

7:15 p.m.-4:20 p.m.

1 stop16h 05m

C$ 911

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 19 resultsSorted by cheapest first
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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 - Toronto Island or Belfast Intl - Montreal Pierre Elliott Trudeau Intl 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.

See more FAQs

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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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