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Cheap flights from Ontario to Belfast Intl Airport 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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
2 Sep — 9 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Belfast Intl
Explore the most affordable flight options available from Ontario to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 August 2026.

Mon 31/87:35 a.m.
YYZ
-
BFS
2 stops32h 05m
Multiple Airlines
Mon 7/99:25 p.m.
BFS
-
YYZ
2 stops22h 35m
Multiple Airlines
Deal found 1/8C$ 765
Fri 9/1010:15 p.m.
YYZ
-
BFS
1 stop17h 30m
Multiple Airlines
Wed 14/104:55 p.m.
BFS
-
YYZ
2 stops33h 30m
Multiple Airlines
Deal found 30/7C$ 772
Tue 15/99:55 p.m.
YYZ
-
BFS
1 stop16h 45m
Multiple Airlines
Tue 22/95:50 p.m.
BFS
-
YYZ
2 stops27h 00m
Multiple Airlines
Deal found 29/7C$ 779
Sun 13/99:55 p.m.
YYZ
-
BFS
1 stop18h 05m
Multiple Airlines
Sun 20/910:10 p.m.
BFS
-
YYZ
2 stops22h 40m
Multiple Airlines
Deal found 29/7C$ 810
Sun 13/95:45 p.m.
YUL
-
BFS
2 stops22h 15m
Multiple Airlines
Sun 20/98:20 p.m.
BFS
-
YUL
2 stops29h 40m
Multiple Airlines
Deal found 30/7C$ 870
Sat 12/94:15 p.m.
YUL
-
BFS
2 stops23h 10m
Multiple Airlines
Sat 19/96:20 a.m.
BFS
-
YUL
1 stop12h 55m
Multiple Airlines
Deal found 30/7C$ 911
Sun 27/910:05 p.m.
YUL
-
BFS
1 stop17h 10m
Multiple Airlines
Tue 6/104:00 p.m.
BFS
-
YUL
1 stop27h 15m
Multiple Airlines
Deal found 2/8C$ 915
Thu 10/94:00 p.m.
YOW
-
BFS
2 stops23h 35m
Multiple Airlines
Tue 15/96:15 a.m.
BFS
-
YOW
1 stop11h 25m
Multiple Airlines
Deal found 30/7C$ 919
Tue 15/98:19 a.m.
YTZ
-
BFS
2 stops24h 41m
Multiple Airlines
Tue 22/96:15 a.m.
BFS
-
YTZ
2 stops15h 15m
Multiple Airlines
Deal found 31/7C$ 931
Fri 16/107:20 p.m.
YUL
-
BFS
2 stops20h 25m
Multiple Airlines
Sat 24/108:20 a.m.
BFS
-
YUL
2 stops21h 05m
Multiple Airlines
Deal found 30/7C$ 1,032
Sun 30/83:35 p.m.
YUL
-
BFS
2 stops21h 50m
Multiple Airlines
Sun 6/98:20 p.m.
BFS
-
YUL
2 stops29h 40m
Multiple Airlines
Deal found 2/8C$ 1,087
Fri 31/712:20 p.m.
YTZ
-
BFS
3 stops19h 50m
Multiple Airlines
Sun 2/810:10 p.m.
BFS
-
YTZ
3 stops42h 50m
Multiple Airlines
Deal found 29/7C$ 2,166

Find flight deals from Ontario to Belfast Intl

Keep the following information in mind while searching for Ontario to Belfast Intl flight deals. Data was last updated 3 August 2026.

Round-trip from

C$ 765

One-way from

C$ 352
31/8-7/9
  • 31/8-7/9
  • 4 total stops
  • 54h 40m total
  • Ontario to Belfast
Search Deals
26/9
  • 26/9
  • 2 total stops
  • 29h 40m total
  • Ontario to Belfast
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Belfast Intl 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 3 August 2026.
Use the filters below to find and compare flights from Ontario to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 15/9

9:55 p.m.-11:20 p.m.

2 stops20h 25m

Belfast Intl

Tue 22/9

8:15 p.m.-3:50 p.m.

2 stops24h 35m

C$ 802

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 13/9

9:55 p.m.-9:00 p.m.

1 stop18h 05m

Belfast Intl

Sun 20/9

10:10 p.m.-3:50 p.m.

2 stops22h 40m

C$ 810
Quickest round-trip

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 31/8

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

1 stop16h 00m

Belfast Intl

Mon 7/9

9:35 p.m.-11:00 a.m.

1 stop18h 25m

C$ 837

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

5:45 p.m.-9:00 p.m.

2 stops22h 15m

Belfast Intl

Sun 20/9

8:20 p.m.-9:00 p.m.

2 stops29h 40m

C$ 870

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Fri 9/10

10:15 p.m.-11:20 p.m.

2 stops20h 05m

Belfast Intl

Wed 14/10

4:20 p.m.-9:25 p.m.

3 stops34h 05m

C$ 891

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

4:15 p.m.-8:25 p.m.

2 stops23h 10m

Belfast Intl

Sat 19/9

6:20 a.m.-2:15 p.m.

1 stop12h 55m

C$ 911

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

10:05 p.m.-8:15 p.m.

1 stop17h 10m

Belfast Intl

Tue 6/10

4:00 p.m.-2:15 p.m.

1 stop27h 15m

C$ 915

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Thu 10/9

4:00 p.m.-8:35 p.m.

2 stops23h 35m

Belfast Intl

Tue 15/9

6:15 a.m.-12:40 p.m.

1 stop11h 25m

C$ 919

TorontoBelfast

YTZ - BFS

YTZBFS

Toronto Island

Tue 15/9

8:19 a.m.-2:00 p.m.

2 stops24h 41m

Belfast Intl

Tue 22/9

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

2 stops15h 15m

C$ 931

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

7:20 p.m.-8:45 p.m.

2 stops20h 25m

Belfast Intl

Sat 24/10

8:20 a.m.-12:25 a.m.

2 stops21h 05m

C$ 1,032

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 29 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Ontario 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 Ontario to Belfast Intl Airport

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 Ontario to Belfast Intl. 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 Region of Ontario to Belfast Intl Airport?

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Belfast Intl 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Belfast Intl

Discover the top airline that operate flights from Ontario to Belfast Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 August 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 1,066AverageC$ 1,543FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

When you search for this flight from Ontario to Belfast Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Belfast Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Belfast Intl from Ontario 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 Ontario to Belfast Intl become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Belfast Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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