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Cheap flights from Ireland to Ontario from C$ 306
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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
14 Oct — 21 Oct1
Cheap flight deals from Ireland to Ontario
Keep the following information in mind while searching for Ireland to Ontario flight deals. Data was last updated 14 September 2025.
Find flight deals from Ireland to Ontario
Cheapest flights from Ireland to OntarioExplore the most affordable flight options available from Ireland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2025.
Explore the most affordable flight options available from Ireland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2025.
Wed 8/1012:15 p.m.DUB - YYZ
1 stop14h 40mIcelandair
Mon 13/1011:00 p.m.YYZ - DUB
1 stop31h 05mIcelandair
Deal found 13/9C$ 540
Thu 9/102:15 p.m.DUB - YYZ
1 stop12h 40mIcelandair
Fri 17/1011:00 p.m.YYZ - DUB
1 stop31h 05mIcelandair
Deal found 13/9C$ 541
Wed 24/1210:20 a.m.DUB - YYZ
1 stop33h 30mMultiple Airlines
Tue 30/126:05 p.m.YYZ - DUB
1 stop13h 05mMultiple Airlines
Deal found 13/9C$ 552
Thu 25/91:15 p.m.DUB - YYZ
Nonstop7h 35mAir Transat
Thu 16/1011:55 p.m.YYZ - DUB
Nonstop6h 35mAir Transat
Deal found 13/9C$ 554
Fri 28/115:10 a.m.DUB - YYZ
1 stop16h 05mLufthansa
Fri 30/17:35 p.m.YYZ - DUB
Nonstop6h 35mLufthansa
Deal found 13/9C$ 556
Thu 27/1111:30 a.m.DUB - YYZ
1 stop11h 45mIcelandair
Sun 30/117:40 p.m.YYZ - DUB
1 stop9h 35mIcelandair
Deal found 14/9C$ 558
Mon 24/1111:30 a.m.DUB - YYZ
1 stop11h 45mIcelandair
Fri 28/117:40 p.m.YYZ - DUB
1 stop9h 35mIcelandair
Deal found 13/9C$ 562
Mon 3/115:10 a.m.DUB - YYZ
1 stop16h 05mLufthansa
Sun 9/116:15 p.m.YYZ - DUB
1 stop11h 45mLufthansa
Deal found 13/9C$ 563
Fri 7/115:10 a.m.DUB - YYZ
1 stop16h 05mLufthansa
Tue 11/116:15 p.m.YYZ - DUB
1 stop11h 45mLufthansa
Deal found 12/9C$ 566
Wed 24/123:10 p.m.DUB - YYZ
1 stop28h 40mAmerican Airlines
Thu 1/15:40 p.m.YYZ - DUB
1 stop11h 10mAmerican Airlines
Deal found 14/9C$ 569
Fri 7/119:25 a.m.DUB - YYZ
1 stop11h 50mMultiple Airlines
Thu 13/117:35 p.m.YYZ - DUB
Nonstop6h 35mMultiple Airlines
Deal found 13/9C$ 570
Thu 6/116:00 a.m.ORK - YYZ
1 stop18h 15mKLM
Thu 13/119:15 p.m.YYZ - ORK
1 stop21h 10mKLM
Deal found 14/9C$ 642
Cheapflights Fare Finder
Customize your flight search to find flights from Ireland to Ontario 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 14 September 2025.
Use the filters below to find and compare flights from Ireland to Ontario that are best for you.
Fly from
Ireland
Fly to
Ontario
Route
Depart
Return
Price
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Mon 24/11
11:30 a.m.-6:15 p.m.
1 stop11h 45m
Toronto Pearson Intl
Fri 28/11
7:40 p.m.-10:15 a.m.
1 stop9h 35m
C$ 562
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Mon 3/11
5:10 a.m.-4:15 p.m.
1 stop16h 05m
Toronto Pearson Intl
Sun 9/11
6:15 p.m.-11:00 a.m.
1 stop11h 45m
C$ 563
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Fri 28/11
5:10 a.m.-4:15 p.m.
1 stop16h 05m
Toronto Pearson Intl
Thu 29/1
8:25 p.m.-4:25 p.m.
2 stops15h 00m
C$ 623
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Thu 25/9
8:35 a.m.-9:30 p.m.
2 stops17h 55m
Toronto Pearson Intl
Sat 4/10
11:44 a.m.-9:35 a.m.
2 stops16h 51m
C$ 645
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Sun 28/9
12:15 p.m.-7:10 p.m.
1 stop11h 55m
Toronto Pearson Intl
Sat 11/10
8:50 p.m.-11:05 a.m.
1 stop9h 15m
C$ 657
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Sat 13/12
11:30 a.m.-10:56 p.m.
1 stop16h 26m
Toronto Pearson Intl
Sat 27/12
4:06 p.m.-8:40 a.m.
1 stop11h 34m
C$ 667
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Sun 21/12
11:30 a.m.-5:29 p.m.
1 stop10h 59m
Toronto Pearson Intl
Sun 28/12
6:15 p.m.-8:40 a.m.
1 stop9h 25m
C$ 667
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Mon 3/11
1:35 p.m.-7:17 p.m.
1 stop10h 42m
Toronto Pearson Intl
Sun 9/11
2:57 p.m.-7:30 a.m.
1 stop11h 33m
C$ 669
DublinToronto
DUB - YTZ
DUBYTZ
Dublin
Mon 3/11
1:35 p.m.-9:42 a.m.
2 stops25h 07m
Toronto Island
Sun 9/11
10:25 a.m.-7:30 a.m.
2 stops16h 05m
C$ 669
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Wed 14/1
9:30 a.m.-6:57 p.m.
2 stops14h 27m
Toronto Pearson Intl
Mon 19/1
11:00 a.m.-8:10 a.m.
1 stop16h 10m
C$ 669
Showing 1-10 of 60 results
Best time to book a flight from Ireland to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Ireland 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 Ireland to Ontario
What is the cheapest month to book a flight from Ireland to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Ireland to Region of Ontario (average of C$ 169). Flying from Ireland to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 IE to ON?
Find hourly flight availability from Ireland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 September 2025.
When flying from Ireland to Region of Ontario, 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 Ireland to Region of Ontario
Explore weekly flight availability from Ireland to Ontario. 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 14 September 2025.
The most flights from IE0 to CAON 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 Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 14 September 2025.
Check out reviews from past customers who have flown with Air Transat,Aer Lingus, andAir Canada from Ireland to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.9
Overall
7.7
Comfort
7.3
Crew
8.4
Entertainment
7.0
Food
6.7
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Boarding
7.9
Overall
7.7
Comfort
7.3
Crew
8.4
Entertainment
7.0
Food
6.7
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Boarding
7.9
Overall
7.7
Comfort
7.3
Crew
8.4
Entertainment
7.0
Food
6.7
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Boarding
7.9
Overall
7.7
Comfort
7.3
Crew
8.4
Entertainment
7.0
Food
6.7
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Boarding
7.9
Overall
7.7
Comfort
7.3
Crew
8.4
Entertainment
7.0
Food
6.7
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Boarding
7.9
Overall
7.7
Comfort
7.3
Crew
8.4
Entertainment
7.0
Food
6.7
Reviews
1 / 20
10.0
ExcellentLiam,Jun 2025
GLA - YYZ
Related info for your journey
Find useful and relevant information for your journey from Ireland to Ontario. 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 Ireland to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Ireland to Ontario
Discover the top 6 airlines that operate flights from Ireland to Ontario. 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 14 September 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 Ireland to Ontario?
Cheapflights helps you search for flights from Ireland to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Ireland to Ontario?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Ireland.
Can Cheapflights find flights from Ireland to Ontario with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Ontario flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Ireland to Ontario become cheaper?
Of course! You can now track prices for flights from Ireland to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.