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Cheap flights from Ontario to Northern Ireland from C$ 426

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
11 Jan — 18 Jan1
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 12 December 2025.

Thu 11/126:24 p.m.YYZ - BHD
2 stops18h 36mMultiple Airlines
Mon 15/129:15 a.m.BHD - YYZ
2 stops17h 43mMultiple Airlines
Deal found 9/12C$ 1,172
Thu 11/127:05 a.m.YYZ - BFS
3 stops31h 30mMultiple Airlines
Fri 19/128:45 a.m.BFS - YYZ
2 stops32h 45mMultiple Airlines
Deal found 10/12C$ 1,426
Wed 31/125:50 p.m.YYZ - BHD
1 stop18h 00mDelta
Wed 7/15:20 p.m.BHD - YYZ
1 stop30h 55mDelta
Deal found 11/12C$ 1,572
Wed 31/126:45 p.m.YYZ - BHD
2 stops17h 05mMultiple Airlines
Wed 7/15:20 p.m.BHD - YYZ
1 stop30h 55mMultiple Airlines
Deal found 11/12C$ 1,608
Sun 14/1211:20 a.m.YUL - BFS
2 stops30h 05mMultiple Airlines
Tue 16/128:35 a.m.BFS - YUL
2 stops32h 35mMultiple Airlines
Deal found 10/12C$ 1,640
Thu 11/127:05 a.m.YYZ - BFS
3 stops31h 30mMultiple Airlines
Sat 20/1210:25 p.m.BFS - YYZ
3 stops26h 25mMultiple Airlines
Deal found 10/12C$ 1,722
Fri 12/125:25 p.m.YYZ - BFS
2 stops18h 10mMultiple Airlines
Sat 20/1210:25 p.m.BFS - YYZ
3 stops26h 25mMultiple Airlines
Deal found 10/12C$ 1,742
Sat 27/129:35 p.m.YYZ - BHD
1 stop18h 15mMultiple Airlines
Wed 31/127:25 a.m.BHD - YYZ
1 stop12h 35mMultiple Airlines
Deal found 10/12C$ 1,771
Sat 27/125:50 p.m.YYZ - BHD
1 stop22h 10mKLM
Wed 31/126:30 a.m.BHD - YYZ
2 stops19h 10mKLM
Deal found 10/12C$ 2,013
Sun 14/1211:25 a.m.YUL - BHD
3 stops28h 25mMultiple Airlines
Tue 16/1211:05 a.m.BHD - YUL
2 stops27h 30mMultiple Airlines
Deal found 10/12C$ 2,189
Sun 14/1211:00 p.m.YUL - BHD
2 stops17h 00mKLM
Tue 16/125:20 p.m.BHD - YUL
1 stop29h 00mKLM
Deal found 11/12C$ 2,441

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 12 December 2025.

Round-trip from

C$ 825

One-way from

C$ 426

Popular in

July

Cheapest in

October

Average price

C$ 1,772
7/4-14/4
  • 7/4-14/4
  • 4 total stops
  • 54h 00m total
  • Ontario to Northern Ireland
Search Deals
5/2
  • 5/2
  • 2 total stops
  • 32h 20m total
  • Ontario to Northern Ireland
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 857 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (C$ 347 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 2025.
Use the filters below to find and compare flights from Ontario to Northern Ireland that are best for you.

Fly from

Ontario

Fly to

Northern Ireland

Route

Depart

Return

Price

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sat 24/1

9:35 p.m.-5:40 p.m.

1 stop15h 05m

Belfast Intl

Sat 31/1

8:10 a.m.-3:00 p.m.

1 stop11h 50m

C$ 905

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 4/3

5:40 p.m.-9:10 a.m.

1 stop10h 30m

Belfast City

Sun 8/3

8:25 p.m.-9:59 p.m.

2 stops29h 34m

C$ 947

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Tue 7/4

8:15 p.m.-9:20 p.m.

1 stop20h 05m

Belfast Intl

Tue 14/4

4:05 p.m.-12:40 p.m.

1 stop25h 35m

C$ 986

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Sun 25/1

7:40 p.m.-6:55 p.m.

2 stops18h 15m

Belfast Intl

Sun 1/2

12:25 p.m.-9:15 p.m.

3 stops37h 50m

C$ 996

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Tue 7/4

7:29 p.m.-8:50 a.m.

2 stops32h 21m

Belfast City

Tue 14/4

1:40 p.m.-8:10 p.m.

1 stop11h 30m

C$ 1,008

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

8:40 p.m.-2:50 p.m.

1 stop13h 10m

Belfast City

Thu 22/1

3:05 p.m.-6:45 p.m.

1 stop32h 40m

C$ 1,021

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

8:40 p.m.-7:30 a.m.

1 stop29h 50m

Belfast City

Sun 25/1

9:10 a.m.-6:45 p.m.

1 stop14h 35m

C$ 1,084

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Sat 11/4

6:05 p.m.-10:10 a.m.

1 stop11h 05m

Belfast City

Sat 25/4

7:05 a.m.-6:35 p.m.

2 stops16h 30m

C$ 1,088

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Thu 8/1

9:35 p.m.-10:20 p.m.

1 stop19h 45m

Belfast Intl

Thu 15/1

6:55 p.m.-3:00 p.m.

1 stop25h 05m

C$ 1,109

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 7/1

7:55 p.m.-7:20 p.m.

1 stop18h 25m

Belfast Intl

Wed 14/1

6:00 a.m.-9:15 p.m.

2 stops20h 15m

C$ 1,123

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 26 results
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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
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

What is the cheapest month to book a flight from Region of Ontario to Northern Ireland?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Northern Ireland (average of C$ 819). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of C$ 1,380). 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.

What is the cheapest time of day to fly from ON to NIR?

Find hourly flight availability from Ontario to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

It’s typically best to fly out from Region of Ontario to Northern Ireland in the evening. Doing so could potentially save you 35% on the flight price compared to flying at noon, which is usually more expensive.

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 12 December 2025.
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
7,571 reviews
Check prices

Comfort

6.7

Crew

7.6

Overall

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

Reviews

1 / 20
10.0
Excellent

Amit,Nov 2025

BOM - LHR

Food and presentation were excellent. Staff was very courteous. On time boarding, on time flight. Comfortable seats (lie flats) and clear announcements and updates.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews
Check prices

Comfort

6.7

Crew

7.6

Overall

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

Reviews

1 / 20
10.0
Excellent

Amit,Nov 2025

BOM - LHR

Food and presentation were excellent. Staff was very courteous. On time boarding, on time flight. Comfortable seats (lie flats) and clear announcements and updates.

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$ 947, British Airways can have you in Northern Ireland from Region of Ontario in 10h 30m. There are 5237 km between Region of Ontario and Northern Ireland.

  • 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.

  • What is the cheapest month to book a flight from Region of Ontario to Northern Ireland?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Northern Ireland (average of C$ 819). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of C$ 1,380). 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.

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.
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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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 824AverageC$ 1,274FlexibilityNo 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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