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Cheap flights from Ontario to Northern Ireland from C$ 439
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
27 Nov — 4 Dec1
Cheap 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 28 October 2025.
Find flight deals from Ontario to Northern Ireland
Cheapest flights from Ontario to Northern IrelandExplore 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 28 October 2025.
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 28 October 2025.
Sun 23/1110:45 p.m.YYZ - BFS
2 stops16h 25mMultiple Airlines
Mon 8/126:30 a.m.BFS - YYZ
2 stops37h 50mMultiple Airlines
Deal found 27/10C$ 919
Thu 11/127:35 p.m.YUL - BFS
1 stop13h 35mMultiple Airlines
Thu 18/127:15 a.m.BFS - YUL
1 stop33h 55mMultiple Airlines
Deal found 27/10C$ 971
Sun 23/1110:05 p.m.YYZ - BHD
1 stop10h 10mBritish Airways
Mon 8/125:45 p.m.BHD - YYZ
1 stop26h 05mBritish Airways
Deal found 27/10C$ 983
Sun 23/117:30 a.m.YYZ - BHD
2 stops24h 45mAmerican Airlines
Mon 8/122:40 p.m.BHD - YYZ
1 stop29h 10mAmerican Airlines
Deal found 27/10C$ 999
Sun 23/119:35 p.m.YYZ - BHD
1 stop17h 55mMultiple Airlines
Sun 30/117:25 a.m.BHD - YYZ
1 stop12h 35mMultiple Airlines
Deal found 26/10C$ 1,070
Tue 9/129:35 p.m.YYZ - BFS
1 stop19h 15mMultiple Airlines
Tue 16/128:35 a.m.BFS - YYZ
1 stop11h 25mMultiple Airlines
Deal found 26/10C$ 1,073
Sun 23/119:35 p.m.YYZ - BFS
1 stop17h 35mMultiple Airlines
Sun 30/116:30 a.m.BFS - YYZ
2 stops30h 47mMultiple Airlines
Deal found 26/10C$ 1,101
Sun 23/117:40 p.m.YYZ - BHD
2 stops20h 10mMultiple Airlines
Mon 8/127:00 a.m.BHD - YYZ
2 stops16h 15mMultiple Airlines
Deal found 27/10C$ 1,141
Sun 23/115:25 p.m.YYZ - BHD
2 stops15h 25mAer Lingus
Sun 30/114:55 p.m.BHD - YYZ
2 stops52h 00mAer Lingus
Deal found 26/10C$ 1,213
Wed 10/124:30 p.m.YTZ - BFS
3 stops25h 20mMultiple Airlines
Wed 17/128:20 a.m.BFS - YTZ
3 stops40h 30mMultiple Airlines
Deal found 26/10C$ 1,305
Tue 9/123:45 p.m.YTZ - BFS
3 stops16h 00mMultiple Airlines
Tue 16/128:35 a.m.BFS - YTZ
3 stops18h 35mMultiple Airlines
Deal found 26/10C$ 1,415
Fri 19/1210:15 a.m.YUL - BFS
3 stops30h 45mMultiple Airlines
Mon 5/18:50 p.m.BFS - YUL
3 stops40h 42mMultiple Airlines
Deal found 27/10C$ 1,895
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 28 October 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
Sun 23/11
10:45 p.m.-8:10 p.m.
2 stops16h 25m
Belfast Intl
Mon 8/12
6:30 a.m.-3:20 p.m.
2 stops37h 50m
C$ 919
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Mon 6/4
6:05 p.m.-8:50 a.m.
1 stop9h 45m
Belfast City
Mon 20/4
6:40 a.m.-4:05 p.m.
1 stop14h 25m
C$ 938
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Wed 18/3
11:05 p.m.-2:15 p.m.
1 stop11h 10m
Belfast City
Wed 25/3
9:15 a.m.-9:15 p.m.
1 stop16h 00m
C$ 955
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Wed 18/3
10:35 p.m.-1:45 p.m.
1 stop11h 10m
Belfast Intl
Wed 25/3
6:30 a.m.-4:00 p.m.
1 stop13h 30m
C$ 965
MontrealBelfast
YUL - BFS
YULBFS
Montreal Pierre Elliott Trudeau Intl
Thu 11/12
7:35 p.m.-2:10 p.m.
1 stop13h 35m
Belfast Intl
Thu 18/12
7:15 a.m.-12:10 p.m.
1 stop33h 55m
C$ 971
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Mon 6/4
10:00 p.m.-10:25 p.m.
2 stops19h 25m
Belfast Intl
Mon 20/4
6:10 p.m.-2:00 p.m.
2 stops24h 50m
C$ 975
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Sun 23/11
10:05 p.m.-1:15 p.m.
1 stop10h 10m
Belfast City
Mon 8/12
5:45 p.m.-2:50 p.m.
1 stop26h 05m
C$ 983
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Wed 18/3
6:40 p.m.-9:10 a.m.
1 stop10h 30m
Belfast City
Wed 25/3
6:35 a.m.-9:51 p.m.
2 stops19h 16m
C$ 994
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Thu 2/4
10:00 p.m.-3:30 p.m.
1 stop12h 30m
Belfast City
Wed 15/4
10:00 a.m.-8:10 p.m.
1 stop15h 10m
C$ 999
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Mon 6/4
3:50 p.m.-12:55 p.m.
2 stops16h 05m
Belfast City
Mon 20/4
6:40 a.m.-6:25 p.m.
2 stops16h 45m
C$ 1,008
Showing 1-10 of 49 results
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$ 831). Flying from Region of Ontario to Northern Ireland in December is currently the most expensive (average of C$ 1,463). 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 28 October 2025.
It’s typically best to fly out from Region of Ontario to Northern Ireland in the evening. Doing so could potentially save you 19% 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 28 October 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.
Boarding
6.9
Entertainment
6.4
Crew
7.6
Comfort
6.7
Overall
6.7
Food
6.3
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
ALG - LGW
Boarding
6.9
Entertainment
6.4
Crew
7.6
Comfort
6.7
Overall
6.7
Food
6.3
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
ALG - LGW
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.
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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.
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 28 October 2025.
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.