Cheap flights from Ontario to Northern Ireland from £175
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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
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 30 April 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 30 April 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 30 April 2025.
Cheapflights Fare Finder
Customise 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 858,174 searches. Data last updated 30 April 2025.
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
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Mon 16/6
22:15-22:30
1 stop19h 15m
Belfast Intl
Sat 21/6
05:45-14:10
1 stop13h 25m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Thu 28/8
22:15-17:40
1 stop14h 25m
Belfast City
Sat 6/9
17:50-14:10
1 stop25h 20m
MontrealBelfast
YUL - BHD
YULBHD
Montreal Pierre Elliott Trudeau Intl
Wed 8/10
18:50-16:55
1 stop17h 05m
Belfast City
Tue 21/10
17:25-16:55
1 stop28h 30m
MontrealBelfast
YUL - BHD
YULBHD
Montreal Pierre Elliott Trudeau Intl
Mon 13/10
22:05-13:45
1 stop10h 40m
Belfast City
Thu 16/10
07:05-14:15
1 stop12h 10m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Wed 8/10
22:00-13:30
1 stop10h 30m
Belfast City
Mon 20/10
06:40-20:10
1 stop18h 30m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Sat 11/10
18:25-10:10
1 stop10h 45m
Belfast City
Sat 18/10
09:35-20:10
1 stop15h 35m
MontrealBelfast
YUL - BHD
YULBHD
Montreal Pierre Elliott Trudeau Intl
Thu 9/10
22:05-15:30
1 stop12h 25m
Belfast City
Tue 21/10
13:40-20:15
1 stop11h 35m
MontrealBelfast
YUL - BHD
YULBHD
Montreal Pierre Elliott Trudeau Intl
Fri 10/10
22:00-15:30
1 stop12h 30m
Belfast City
Fri 17/10
14:00-20:15
1 stop11h 15m
OttawaBelfast
YOW - BFS
YOWBFS
Ottawa
Fri 13/6
05:55-20:05
3 stops33h 10m
Belfast Intl
Fri 20/6
08:35-00:22
2 stops20h 47m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Sun 8/6
18:14-16:55
2 stops17h 41m
Belfast City
Sun 15/6
17:25-14:41
2 stops26h 16m
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.
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, January is the cheapest month in which you can book a flight from Region of Ontario to Northern Ireland (average of £67). Flying from Region of Ontario to Northern Ireland in July is currently the most expensive (average of £90). 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.
Rainfall in Northern Ireland by month
Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.
Temperature in Northern Ireland by month
Plan your trip to Northern Ireland by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).
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 30 April 2025.
See what other customers who have flown with Delta, KLM and American Airlines from Ontario to Northern Ireland have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Comfort
Boarding
Overall
Crew
Food
Reviews
Aaron,Oct 2024
LAX - LHR
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.
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How does Cheapflights help users find flights from Ontario to Northern Ireland?
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Why should you use Cheapflights to find cheap flight tickets from Ontario to Northern Ireland?
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Can Cheapflights find flights from Ontario to Northern Ireland with no change fees?
Need flexible booking options for your flight to Northern Ireland from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Ontario to Northern Ireland become cheaper?
Not ready to book yet? You can track prices for flights from Ontario to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.