Cheap flights from Ontario to Northern Ireland from C$ 459

YYZ — BFS
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Northern Ireland

Sun 15/115:55 p.m. -
1 stop10h 15m
Mon 30/115:15 p.m. -
1 stop27h 25m
Deal found 8/11C$ 1,050
Sun 22/118:15 p.m. -
1 stop34h 15m
Sat 5/1211:00 p.m. -
2 stops44h 05m
Deal found 9/11C$ 1,058
Sun 22/1112:15 p.m. -
2 stops15h 55m
Sat 5/125:15 p.m. -
1 stop27h 25m
Deal found 9/11C$ 1,091
Mon 16/119:35 p.m. -
1 stop15h 20m
Mon 23/116:20 a.m. -
1 stop13h 40m
Deal found 11/11C$ 1,139
Sun 15/119:35 p.m. -
1 stop17h 55m
Mon 30/118:45 p.m. -
2 stops27h 15m
Deal found 8/11C$ 1,151
Sat 14/119:35 p.m. -
1 stop12h 10m
Sat 21/118:10 a.m. -
1 stop11h 50m
Deal found 11/11C$ 1,171
Mon 16/119:35 p.m. -
1 stop11h 00m
Mon 23/117:20 a.m. -
1 stop12h 40m
Deal found 11/11C$ 1,179
Fri 25/125:55 p.m. -
1 stop10h 15m
Fri 15/15:05 p.m. -
1 stop27h 35m
Deal found 10/11C$ 1,186
Wed 9/128:50 p.m. -
1 stop17h 15m
Wed 16/126:55 a.m. -
1 stop12h 50m
Deal found 11/11C$ 1,191
Sat 14/119:35 p.m. -
1 stop10h 50m
Sat 21/117:25 a.m. -
1 stop12h 35m
Deal found 11/11C$ 1,191
Tue 10/113:15 p.m. -
2 stops20h 30m
Tue 17/116:45 a.m. -
2 stops22h 01m
Deal found 9/11C$ 1,220
Fri 25/129:35 p.m. -
1 stop30h 20m
Fri 15/16:30 a.m. -
1 stop13h 30m
Deal found 10/11C$ 1,223

Find flight deals from Ontario to Northern Ireland

Round-trip from

C$ 1,050

One-way from

C$ 459
KLM
  • KLM
  • 22/11-5/12
  • 2 total stops
  • 37h 40m total
  • Ontario to Northern Ireland
9/12-31/12
  • 9/12-31/12
  • 3 total stops
  • 35h 35m total
  • Ontario to Northern Ireland

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ontario to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Wed 9/12

2:50 p.m.-6:55 a.m.

2 stops35h 05m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 478

TorontoBelfast

YYZ Toronto Pearson Intl - BHD Belfast City

YYZBHD

Toronto Pearson Intl

Wed 9/12

2:50 p.m.-4:40 p.m.

3 stops20h 50m

Belfast City

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 502

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Sat 12/12

11:10 p.m.-4:00 p.m.

3 stops35h 50m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 531

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Mon 12/4

10:35 p.m.-7:30 a.m.

1 stop27h 55m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 558

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Fri 11/12

9:35 p.m.-6:35 p.m.

1 stop16h 00m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 558

TorontoBelfast

YYZ Toronto Pearson Intl - BHD Belfast City

YYZBHD

Toronto Pearson Intl

Fri 11/12

9:35 p.m.-7:00 p.m.

1 stop16h 25m

Belfast City

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 605

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Thu 10/12

9:05 p.m.-7:50 p.m.

3 stops17h 45m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 616

TorontoBelfast

YYZ Toronto Pearson Intl - BFS Belfast Intl

YYZBFS

Toronto Pearson Intl

Thu 24/12

9:35 p.m.-7:40 a.m.

1 stop29h 05m

Belfast Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 834

TorontoBelfast

YYZ Toronto Pearson Intl - BHD Belfast City

YYZBHD

Toronto Pearson Intl

Tue 15/12

3:22 p.m.-11:30 a.m.

2 stops15h 08m

Belfast City

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 900

TorontoBelfast

YYZ Toronto Pearson Intl - BHD Belfast City

YYZBHD

Toronto Pearson Intl

Sun 22/11

5:55 p.m.-9:10 a.m.

1 stop10h 15m

Belfast City

Sat 5/12

5:15 p.m.-3:40 p.m.

1 stop27h 25m

C$ 1,050

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 41 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to Northern Ireland

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Northern Ireland

Check out reviews from past customers who have flown with British Airways from Ontario to Northern Ireland to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.5

Comfort

6.8

Overall

6.7

Boarding

7.0

Crew

7.7

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2026

ATH - LHR

There was no food service because of issues before the flight, but they did send a email about it at least a hour before

Entertainment

6.5

Comfort

6.8

Overall

6.7

Boarding

7.0

Crew

7.7

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2026

ATH - LHR

There was no food service because of issues before the flight, but they did send a email about it at least a hour before

Related info for your journey

  • How long is the flight from Region of Ontario to Northern Ireland?

    For as low as C$ 1,050, KLM can have you in Northern Ireland from Region of Ontario in 10h 15m. There are 5237 km between Region of Ontario and Northern Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

  • How can I find direct flights from Ontario to Northern Ireland?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Northern Ireland 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Northern Ireland

Top airline flying from Ontario to Northern Ireland

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 925AverageC$ 1,621FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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