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Cheap flights from Ontario to Northern Ireland from C$ 404

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BFS
8 Jan — 15 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 9 December 2025.

Mon 8/124:44 p.m.YYZ - BHD
2 stops16h 31mBritish Airways
Mon 15/126:35 a.m.BHD - YYZ
2 stops20h 23mBritish Airways
Deal found 7/12C$ 1,113
Thu 11/129:35 p.m.YYZ - BFS
1 stop18h 30mMultiple Airlines
Mon 15/122:40 p.m.BFS - YYZ
3 stops34h 10mMultiple Airlines
Deal found 9/12C$ 1,256
Mon 8/129:35 p.m.YYZ - BFS
1 stop29h 20mMultiple Airlines
Mon 15/128:55 p.m.BFS - YYZ
1 stop23h 05mMultiple Airlines
Deal found 7/12C$ 1,294
Wed 31/125:50 p.m.YYZ - BHD
1 stop18h 00mDelta
Wed 7/15:20 p.m.BHD - YYZ
1 stop30h 55mDelta
Deal found 8/12C$ 1,582
Wed 31/1210:55 p.m.YYZ - BHD
2 stops17h 05mKLM
Wed 7/15:20 p.m.BHD - YYZ
1 stop30h 55mKLM
Deal found 8/12C$ 1,619
Mon 8/129:35 p.m.YYZ - BHD
1 stop11h 00mMultiple Airlines
Mon 15/122:15 p.m.BHD - YYZ
1 stop29h 45mMultiple Airlines
Deal found 7/12C$ 1,700
Wed 31/127:14 a.m.YYZ - BHD
2 stops20h 01mMultiple Airlines
Wed 7/13:40 p.m.BHD - YYZ
2 stops34h 43mMultiple Airlines
Deal found 8/12C$ 1,743
Mon 8/126:45 p.m.YYZ - BHD
2 stops17h 05mKLM
Mon 15/125:20 p.m.BHD - YYZ
1 stop30h 55mKLM
Deal found 7/12C$ 1,882
Thu 18/129:15 p.m.YYZ - BHD
1 stop14h 35mMultiple Airlines
Tue 16/69:50 a.m.BHD - YYZ
1 stop15h 05mMultiple Airlines
Deal found 7/12C$ 1,903
Sat 20/129:30 a.m.YTZ - BFS
2 stops24h 35mMultiple Airlines
Sat 27/126:00 a.m.BFS - YTZ
3 stops43h 50mMultiple Airlines
Deal found 7/12C$ 2,240
Sat 20/127:55 p.m.YYZ - BFS
1 stop12h 35mMultiple Airlines
Sat 27/128:10 a.m.BFS - YYZ
1 stop11h 50mMultiple Airlines
Deal found 7/12C$ 2,527

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 9 December 2025.

Round-trip from

C$ 830

One-way from

C$ 404

Popular in

July

Cheapest in

October

Average price

C$ 1,777
19/1-3/2
  • 19/1-3/2
  • 4 total stops
  • 54h 15m total
  • Ontario to Northern Ireland
Search Deals
26/1
  • 26/1
  • 2 total stops
  • 45h 55m total
  • Ontario to Northern Ireland
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 862 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (C$ 349 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 9 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 - BHD

YYZBHD

Toronto Pearson Intl

Mon 19/1

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

2 stops19h 15m

Belfast City

Tue 3/2

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

2 stops35h 00m

C$ 830

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Mon 19/1

7:40 p.m.-9:30 p.m.

2 stops20h 50m

Belfast Intl

Tue 3/2

1:55 p.m.-6:15 p.m.

2 stops33h 20m

C$ 845

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 11/3

10:35 p.m.-1:45 p.m.

1 stop11h 10m

Belfast Intl

Sun 15/3

8:45 p.m.-4:00 p.m.

1 stop23h 15m

C$ 873

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 11/3

10:35 p.m.-7:20 p.m.

1 stop16h 45m

Belfast City

Sun 15/3

3:05 p.m.-4:00 p.m.

1 stop28h 55m

C$ 906

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Wed 11/3

10:35 p.m.-7:00 p.m.

1 stop16h 25m

Belfast City

Wed 18/3

7:25 a.m.-4:00 p.m.

1 stop12h 35m

C$ 909

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 11/3

10:35 p.m.-1:45 p.m.

1 stop11h 10m

Belfast Intl

Wed 18/3

6:30 a.m.-4:00 p.m.

1 stop13h 30m

C$ 913

TorontoBelfast

YYZ - BHD

YYZBHD

Toronto Pearson Intl

Mon 19/1

7:04 p.m.-4:05 p.m.

2 stops16h 01m

Belfast City

Tue 3/2

8:45 a.m.-2:50 p.m.

1 stop11h 05m

C$ 935

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$ 954

MontrealBelfast

YUL - BHD

YULBHD

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

8:40 p.m.-2:15 p.m.

1 stop12h 35m

Belfast City

Mon 2/2

6:35 a.m.-6:45 p.m.

1 stop17h 10m

C$ 956

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

8:40 p.m.-9:30 p.m.

1 stop19h 50m

Belfast Intl

Mon 2/2

6:00 a.m.-6:45 p.m.

1 stop17h 45m

C$ 976

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Showing 1-10 of 37 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$ 821). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of C$ 1,384). 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 9 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 9 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
7,573 reviews
Check prices

Comfort

6.7

Food

6.4

Crew

7.6

Entertainment

6.4

Boarding

6.9

Overall

6.7

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
7,573 reviews
British Airways
6.7
Okay
7,573 reviews
Check prices

Comfort

6.7

Food

6.4

Crew

7.6

Entertainment

6.4

Boarding

6.9

Overall

6.7

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$ 954, American Airlines can have you in Northern Ireland from Region of Ontario in 10h 30m. 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.

  • 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$ 821). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of C$ 1,384). 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 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 826AverageC$ 1,277FlexibilityNo 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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