Cheap flights from Ontario to Ireland from C$ 259
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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Ireland
Keep the following information in mind while searching for Ontario to Ireland flight deals. Data was last updated 2 July 2025.
Round-trip from | C$ 526 |
---|---|
One-way from | C$ 318 |
Popular in | December |
Cheapest in | November |
Average price | C$ 808 |
Good round-trip deal | C$ 608 or less |
Good one-way deal | C$ 364 or less |
Find flight deals from Ontario to Ireland
Cheapest flights from Ontario to IrelandExplore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.
Explore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to 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 2 July 2025.
Use the filters below to find and compare flights from Ontario to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TorontoDublin
YYZ - DUB
YYZDUB
Toronto Pearson Intl
Mon 15/9
5:20 p.m.-4:55 a.m.
Nonstop6h 35m
Dublin
Wed 24/9
1:15 p.m.-3:50 p.m.
Nonstop7h 35m
TorontoDublin
YYZ - DUB
YYZDUB
Toronto Pearson Intl
Thu 2/10
11:55 p.m.-11:30 a.m.
Nonstop6h 35m
Dublin
Sat 11/10
1:15 p.m.-3:50 p.m.
Nonstop7h 35m
TorontoDublin
YYZ - DUB
YYZDUB
Toronto Pearson Intl
Fri 3/10
11:55 p.m.-11:30 a.m.
Nonstop6h 35m
Dublin
Sat 18/10
1:15 p.m.-3:50 p.m.
Nonstop7h 35m
TorontoDublin
YYZ - DUB
YYZDUB
Toronto Pearson Intl
Fri 3/10
10:10 p.m.-10:00 a.m.
Nonstop6h 50m
Dublin
Thu 9/10
10:00 a.m.-5:10 p.m.
1 stop12h 10m
TorontoDublin
YYZ - DUB
YYZDUB
Toronto Pearson Intl
Thu 2/10
11:55 p.m.-11:30 a.m.
Nonstop6h 35m
Dublin
Tue 7/10
10:10 a.m.-5:10 p.m.
1 stop12h 00m
TorontoDublin
YTZ - DUB
YTZDUB
Toronto Island
Sun 28/9
4:20 p.m.-7:45 a.m.
2 stops10h 25m
Dublin
Tue 7/10
9:20 a.m.-2:45 p.m.
1 stop10h 25m
TorontoDublin
YTZ - DUB
YTZDUB
Toronto Island
Thu 9/10
10:20 a.m.-7:10 a.m.
2 stops15h 50m
Dublin
Mon 13/10
10:40 a.m.-9:34 p.m.
2 stops15h 54m
TorontoShannon
YYZ - SNN
YYZSNN
Toronto Pearson Intl
Wed 8/10
10:00 p.m.-4:10 p.m.
1 stop13h 10m
Shannon
Wed 15/10
9:15 p.m.-4:00 p.m.
1 stop23h 45m
TorontoShannon
YYZ - SNN
YYZSNN
Toronto Pearson Intl
Wed 8/10
5:20 p.m.-11:20 a.m.
2 stops13h 00m
Shannon
Wed 15/10
9:15 p.m.-3:50 p.m.
2 stops23h 35m
TorontoShannon
YYZ - SNN
YYZSNN
Toronto Pearson Intl
Sat 27/9
10:15 p.m.-12:40 p.m.
1 stop9h 25m
Shannon
Sat 4/10
7:30 p.m.-2:10 p.m.
2 stops23h 40m
Best time to book a flight from Ontario to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Ireland
What is the cheapest month to book a flight from Region of Ontario to Ireland?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Ireland (average of C$ 458). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 760). 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 IE?
Find hourly flight availability from Ontario to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.
When flying from Region of Ontario to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Region of Ontario to Ireland
Explore weekly flight availability from Ontario to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 July 2025.
The most flights from CAON to IE0 are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).
Reviews of airlines servicing Ireland
Get insights into the airlines that provide service to 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 Ireland. Reviews last updated 2 July 2025.
See what other customers who have flown with Delta,Porter Airlines, andKLM from Ontario to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
Colin,Sep 2024
LHR - BOS
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
Colin,Sep 2024
LHR - BOS
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
Colin,Sep 2024
LHR - BOS
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
Colin,Sep 2024
LHR - BOS
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
Colin,Sep 2024
LHR - BOS
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
Colin,Sep 2024
LHR - BOS
Related info for your journey
Find useful and relevant information for your journey from Ontario to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ontario to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Ontario to Ireland
Discover the top 10 airlines that operate flights from Ontario to 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 2 July 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 Ireland?
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Why should you use Cheapflights to find cheap flight tickets from Ontario to Ireland?
Cheapflights helps you find that perfect flight to Ireland 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 Ireland with no change fees?
Need flexible booking options for your flight to 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 Ireland become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ireland from Ontario today and book when prices fit your budget.