Cheap flights from Ontario to Belfast from C$ 538
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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Belfast
Keep the following information in mind while searching for Ontario to Belfast flight deals. Data was last updated 2 April 2025.
Find flight deals from Ontario to Belfast
Cheapest flights from Ontario to BelfastExplore the most affordable flight options available from Ontario to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.
Explore the most affordable flight options available from Ontario to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Belfast 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 2 April 2025.
Use the filters below to find and compare flights from Ontario to Belfast that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Tue 17/6
10:15 p.m.-2:35 p.m.
1 stop11h 20m
Belfast Intl
Mon 30/6
8:20 a.m.-2:10 p.m.
1 stop10h 50m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Sun 11/5
10:45 p.m.-8:25 p.m.
1 stop16h 40m
Belfast City
Tue 20/5
7:05 a.m.-3:40 p.m.
1 stop13h 35m
MontrealBelfast
YUL - BHD
YULBHD
Montreal Pierre Elliott Trudeau Intl
Sat 3/5
10:05 p.m.-3:55 p.m.
1 stop12h 50m
Belfast City
Sun 11/5
7:05 a.m.-2:15 p.m.
1 stop12h 10m
MontrealBelfast
YUL - BFS
YULBFS
Montreal Pierre Elliott Trudeau Intl
Sat 3/5
10:05 p.m.-7:40 p.m.
1 stop16h 35m
Belfast Intl
Fri 9/5
6:05 a.m.-2:15 p.m.
1 stop13h 10m
MontrealBelfast
YUL - BHD
YULBHD
Montreal Pierre Elliott Trudeau Intl
Mon 28/4
10:10 p.m.-3:40 p.m.
1 stop12h 30m
Belfast City
Wed 7/5
10:00 a.m.-8:15 p.m.
1 stop15h 15m
MontrealBelfast
YUL - BHD
YULBHD
Montreal Pierre Elliott Trudeau Intl
Wed 30/4
10:10 p.m.-1:30 p.m.
1 stop10h 20m
Belfast City
Tue 6/5
4:25 p.m.-11:44 a.m.
2 stops48h 19m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Sun 8/6
6:05 p.m.-11:30 a.m.
1 stop12h 25m
Belfast City
Sun 15/6
11:00 a.m.-9:30 p.m.
2 stops15h 30m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Wed 30/4
10:00 p.m.-3:35 p.m.
1 stop12h 35m
Belfast City
Sat 10/5
7:05 a.m.-4:00 p.m.
1 stop13h 55m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Mon 28/4
5:25 p.m.-2:35 p.m.
2 stops16h 10m
Belfast City
Mon 5/5
6:50 p.m.-3:40 p.m.
2 stops25h 50m
TorontoBelfast
YYZ - BHD
YYZBHD
Toronto Pearson Intl
Sun 8/6
1:20 p.m.-2:40 p.m.
2 stops20h 20m
Belfast City
Sun 15/6
3:50 p.m.-11:28 p.m.
2 stops36h 38m
Best time to book a flight from Ontario to Belfast
Have a flexible travel schedule? Discover the best time to fly to Belfast from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Belfast
What is the cheapest time of day to fly from ON to BFS?
Find hourly flight availability from Ontario to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 April 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Belfast as you normally would.
Rainfall in Belfast by month
Plan your trip to Belfast by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 mm per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.
Temperature in Belfast by month
Plan your trip to Belfast by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Belfast, 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 Belfast
Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated 2 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air France from Ontario to Belfast to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Crew
Overall
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Boarding
Crew
Overall
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Boarding
Crew
Overall
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Boarding
Crew
Overall
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Boarding
Crew
Overall
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Boarding
Crew
Overall
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Belfast. 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 Belfast
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Ontario to Belfast
Discover the top 2 airlines that operate flights from Ontario to Belfast. 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 2 April 2025.
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How does Cheapflights help users find flights from Ontario to Belfast?
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Why should you use Cheapflights to find cheap flight tickets from Ontario to Belfast?
Cheapflights helps you find that perfect flight to Belfast from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ontario to Belfast with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Belfast flexibly with Cheapflights today.
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Yes! Start tracking prices for Ontario to Belfast flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.