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Cheap flights from Ontario to Northern Ireland from C$ 282

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
15 Jun — 22 Jun1
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
Explore the most affordable flight options available from Ontario to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 May 2026.

Tue 9/610:15 p.m.
YYZ
-
BFS
1 stop16h 35m
Multiple Airlines
Tue 16/67:35 a.m.
BFS
-
YYZ
2 stops34h 45m
Multiple Airlines
Deal found 14/5C$ 597
Tue 2/610:15 p.m.
YYZ
-
BFS
1 stop19h 30m
Multiple Airlines
Tue 16/64:40 p.m.
BFS
-
YYZ
2 stops25h 40m
Multiple Airlines
Deal found 13/5C$ 635
Mon 1/610:15 p.m.
YYZ
-
BFS
1 stop19h 50m
Multiple Airlines
Mon 15/69:55 p.m.
BFS
-
YYZ
2 stops44h 25m
Multiple Airlines
Deal found 14/5C$ 645
Wed 10/610:15 p.m.
YYZ
-
BFS
2 stops17h 45m
Multiple Airlines
Wed 17/63:40 p.m.
BFS
-
YYZ
3 stops35h 05m
Multiple Airlines
Deal found 12/5C$ 702
Thu 11/610:15 p.m.
YYZ
-
BFS
1 stop29h 50m
Multiple Airlines
Thu 18/610:45 p.m.
BFS
-
YYZ
2 stops45h 10m
Multiple Airlines
Deal found 14/5C$ 720
Wed 10/610:15 p.m.
YYZ
-
BHD
1 stop11h 45m
Multiple Airlines
Wed 17/66:20 p.m.
BHD
-
YYZ
3 stops44h 40m
Multiple Airlines
Deal found 12/5C$ 770
Sat 13/66:15 p.m.
YYZ
-
BHD
2 stops17h 45m
Multiple Airlines
Sat 20/67:00 a.m.
BHD
-
YYZ
1 stop12h 10m
Multiple Airlines
Deal found 16/5C$ 817
Sat 6/611:50 p.m.
YYZ
-
BHD
1 stop28h 10m
Multiple Airlines
Sat 13/65:10 p.m.
BHD
-
YYZ
1 stop27h 50m
Multiple Airlines
Deal found 12/5C$ 844
Fri 5/610:15 p.m.
YYZ
-
BHD
1 stop17h 35m
Multiple Airlines
Thu 18/66:55 a.m.
BHD
-
YYZ
2 stops13h 55m
Multiple Airlines
Deal found 13/5C$ 848
Thu 11/610:15 p.m.
YYZ
-
BHD
1 stop17h 35m
Multiple Airlines
Thu 18/66:55 a.m.
BHD
-
YYZ
2 stops13h 55m
Multiple Airlines
Deal found 14/5C$ 907
Fri 12/66:45 a.m.
YUL
-
BFS
2 stops28h 45m
Multiple Airlines
Thu 18/612:45 p.m.
BFS
-
YUL
3 stops33h 00m
Multiple Airlines
Deal found 15/5C$ 916
Wed 15/710:10 p.m.
YYZ
-
BHD
1 stop10h 10m
Multiple Airlines
Tue 28/76:35 p.m.
BHD
-
YYZ
1 stop24h 35m
Multiple Airlines
Deal found 11/5C$ 920

Find flight deals from Ontario to Northern Ireland

Keep the following information in mind while searching for Ontario to Northern Ireland flight deals. Data was last updated 16 May 2026.

Round-trip from

C$ 597

One-way from

C$ 282
9/6-16/6
  • 9/6-16/6
  • 3 total stops
  • 51h 20m total
  • Ontario to Northern Ireland
Search Deals
3/6
  • 3/6
  • 1 total stop
  • 11h 45m total
  • Ontario to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Northern Ireland 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 16 May 2026.
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 - BFS

YYZBFS

Toronto Pearson Intl

Tue 9/6

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

1 stop16h 35m

Belfast Intl

Tue 16/6

7:35 a.m.-1:20 p.m.

2 stops34h 45m

C$ 597

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 1/6

7:35 a.m.-8:40 p.m.

2 stops32h 05m

Belfast Intl

Mon 15/6

9:25 p.m.-3:00 p.m.

2 stops22h 35m

C$ 756

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 2/6

7:35 a.m.-3:15 p.m.

3 stops26h 40m

Belfast Intl

Tue 16/6

4:40 p.m.-5:15 p.m.

3 stops29h 35m

C$ 763

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 10/6

10:15 p.m.-3:00 p.m.

1 stop11h 45m

Belfast City

Wed 17/6

6:20 p.m.-10:00 a.m.

3 stops44h 40m

C$ 770

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 8/6

7:35 a.m.-11:15 a.m.

2 stops22h 40m

Belfast Intl

Mon 15/6

9:55 p.m.-3:50 p.m.

2 stops22h 55m

C$ 782

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 10/6

10:15 p.m.-3:00 p.m.

1 stop11h 45m

Belfast Intl

Wed 17/6

5:55 a.m.-2:10 p.m.

1 stop13h 15m

C$ 792

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Fri 5/6

10:15 p.m.-8:50 p.m.

1 stop17h 35m

Belfast City

Thu 18/6

6:55 a.m.-3:50 p.m.

2 stops13h 55m

C$ 848

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

6:45 a.m.-4:30 p.m.

2 stops28h 45m

Belfast Intl

Thu 18/6

12:45 p.m.-4:45 p.m.

3 stops33h 00m

C$ 916

OttawaBelfast

YOW - BFS

YOWBFS

Ottawa

Thu 10/9

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

2 stops31h 00m

Belfast Intl

Thu 24/9

12:45 p.m.-12:20 a.m.

3 stops40h 35m

C$ 975

TorontoBelfast

YTZ - BFS

YTZBFS

Toronto Island

Sun 31/5

4:00 p.m.-8:15 p.m.

2 stops23h 15m

Belfast Intl

Fri 5/6

6:05 a.m.-6:58 p.m.

2 stops17h 53m

C$ 1,085

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/5

Showing 1-10 of 51 resultsSorted by cheapest first
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6

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

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 16 May 2026.
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.
British Airways
6.7
Okay
7,982 reviews
Check prices

Entertainment

6.4

Crew

7.7

Boarding

6.9

Comfort

6.8

Food

6.4

Overall

6.7

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

NCE - LHR

I was transferred to AA airlines with seating far away from my wif.
British Airways
6.7
Okay
7,982 reviews
British Airways
6.7
Okay
7,982 reviews
Check prices

Entertainment

6.4

Crew

7.7

Boarding

6.9

Comfort

6.8

Food

6.4

Overall

6.7

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

NCE - LHR

I was transferred to AA airlines with seating far away from my wif.

Related info for your journey

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

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

    For as low as C$ 1,366, British Airways can have you in Northern Ireland from Region of Ontario in 15h 45m. There are 4752 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

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Alternative routes for Ontario to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Heathrow flights
Pearson Intl to Gatwick flights
Vancouver Intl to Heathrow flights
Pearson Intl to London City flights
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Pearson Intl to Luton flights
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Pearson Intl to Edinburgh flights
Calgary to Heathrow flights
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Pierre Elliott Trudeau Intl to London City flights
Halifax to Heathrow flights
Abbotsford to Heathrow flights
Pierre Elliott Trudeau Intl to Stansted flights
Pearson Intl to Manchester flights
Ottawa to Heathrow flights
Pierre Elliott Trudeau Intl to Luton flights
Vancouver Intl to Luton flights
Calgary to Gatwick flights
Pearson Intl to Glasgow Intl flights
Vancouver Intl to Edinburgh flights
Pierre Elliott Trudeau Intl to Edinburgh flights
Calgary to London City flights
Pierre Elliott Trudeau Intl to Southend flights
Calgary to Stansted flights
Edmonton to Heathrow flights
Halifax to Gatwick flights
Edmonton to Gatwick flights
Calgary to Luton flights
Ottawa to London City flights
Toronto Island to Edinburgh flights
Calgary to Edinburgh flights
Halifax to Stansted flights
Ottawa to Stansted flights
Edmonton to Stansted flights
St. John's to Heathrow flights
Ottawa to Gatwick flights
Vancouver Intl to Manchester flights
Pierre Elliott Trudeau Intl to Glasgow Intl flights
Halifax to London City flights
St. John's to Gatwick flights
Edmonton to London City flights
Abbotsford to Gatwick flights
Winnipeg to Heathrow flights

Top airline flying from Ontario to Northern Ireland

Discover the top airline that operate flights from Ontario to Northern Ireland. 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 16 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 817AverageC$ 1,221FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Northern Ireland?

Deals for Ontario to Northern Ireland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Northern Ireland 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 Northern Ireland with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Northern Ireland with no change fees.

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

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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