Find flights
Deals
When to book
Airlines
FAQs
English
Cheap flights from Ireland to Ontario from C$ 309
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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
5 Aug — 12 Aug1
Round-trip
1 adult
Economy
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 31 July 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 31 July 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 31 July 2025.
Tue 14/108:35 a.m.DUB - YYZ
1 stop12h 25mBritish Airways
Tue 21/1010:15 p.m.YYZ - DUB
1 stop11h 30mBritish Airways
Deal found 30/7C$ 629
Thu 28/89:20 a.m.DUB - YTZ
2 stops16h 21mAir Canada
Wed 10/93:25 p.m.YTZ - DUB
1 stop11h 20mAir Canada
Deal found 30/7C$ 629
Thu 27/115:00 a.m.DUB - YYZ
1 stop13h 05mLufthansa
Sun 30/117:35 p.m.YYZ - DUB
Nonstop6h 35mLufthansa
Deal found 29/7C$ 630
Fri 12/95:55 a.m.DUB - YTZ
2 stops18h 54mMultiple Airlines
Fri 19/96:25 p.m.YTZ - DUB
1 stop8h 20mMultiple Airlines
Deal found 29/7C$ 630
Thu 28/89:50 a.m.DUB - YYZ
Nonstop7h 05mAir Canada
Wed 10/98:40 p.m.YYZ - DUB
Nonstop6h 35mAir Canada
Deal found 30/7C$ 639
Wed 27/86:40 p.m.DUB - YYZ
1 stop23h 10mMultiple Airlines
Wed 3/95:00 p.m.YYZ - DUB
1 stop9h 45mMultiple Airlines
Deal found 30/7C$ 648
Thu 28/82:15 p.m.DUB - YYZ
1 stop9h 55mIcelandair
Fri 5/911:00 p.m.YYZ - DUB
1 stop31h 05mIcelandair
Deal found 29/7C$ 651
Fri 26/91:15 p.m.DUB - YYZ
Nonstop7h 35mAir Transat
Sun 28/911:55 p.m.YYZ - DUB
Nonstop6h 35mAir Transat
Deal found 29/7C$ 652
Mon 22/91:05 p.m.DUB - YUL
1 stop12h 55mMultiple Airlines
Mon 29/911:00 p.m.YUL - DUB
1 stop13h 00mMultiple Airlines
Deal found 30/7C$ 684
Fri 29/812:30 p.m.SNN - YYZ
1 stop11h 30mAir Canada
Fri 19/96:00 p.m.YYZ - SNN
1 stop11h 15mAir Canada
Deal found 31/7C$ 720
Sun 14/99:30 a.m.SNN - YYZ
2 stops25h 57mUnited Airlines
Sun 21/92:00 p.m.YYZ - SNN
2 stops15h 15mUnited Airlines
Deal found 31/7C$ 724
Fri 29/812:30 p.m.SNN - YTZ
2 stops26h 01mAir Canada
Fri 19/97:20 p.m.YTZ - SNN
2 stops33h 55mAir Canada
Deal found 31/7C$ 732
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 31 July 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
Tue 14/10
8:35 a.m.-4:00 p.m.
1 stop12h 25m
Toronto Pearson Intl
Tue 21/10
10:15 p.m.-2:45 p.m.
1 stop11h 30m
C$ 629
DublinToronto
DUB - YTZ
DUBYTZ
Dublin
Thu 28/8
9:20 a.m.-8:41 p.m.
2 stops16h 21m
Toronto Island
Wed 10/9
3:25 p.m.-7:45 a.m.
1 stop11h 20m
C$ 629
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Thu 27/11
5:00 a.m.-1:05 p.m.
1 stop13h 05m
Toronto Pearson Intl
Sun 30/11
7:35 p.m.-7:10 a.m.
Nonstop6h 35m
C$ 630
DublinToronto
DUB - YTZ
DUBYTZ
Dublin
Fri 12/9
5:55 a.m.-7:49 p.m.
2 stops18h 54m
Toronto Island
Fri 19/9
6:25 p.m.-7:45 a.m.
1 stop8h 20m
C$ 630
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Thu 28/8
9:50 a.m.-11:55 a.m.
Nonstop7h 05m
Toronto Pearson Intl
Wed 10/9
8:40 p.m.-8:15 a.m.
Nonstop6h 35m
C$ 639
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Wed 27/8
6:40 p.m.-12:50 p.m.
1 stop23h 10m
Toronto Pearson Intl
Wed 3/9
5:00 p.m.-7:45 a.m.
1 stop9h 45m
C$ 648
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Thu 28/8
2:15 p.m.-7:10 p.m.
1 stop9h 55m
Toronto Pearson Intl
Fri 5/9
11:00 p.m.-11:05 a.m.
1 stop31h 05m
C$ 651
DublinToronto
DUB - YYZ
DUBYYZ
Dublin
Fri 26/9
1:15 p.m.-3:50 p.m.
Nonstop7h 35m
Toronto Pearson Intl
Sun 28/9
11:55 p.m.-11:30 a.m.
Nonstop6h 35m
C$ 652
DublinMontreal
DUB - YUL
DUBYUL
Dublin
Mon 22/9
1:05 p.m.-9:00 p.m.
1 stop12h 55m
Montreal Pierre Elliott Trudeau Intl
Mon 29/9
11:00 p.m.-5:00 p.m.
1 stop13h 00m
C$ 684
ShannonToronto
SNN - YYZ
SNNYYZ
Shannon
Fri 29/8
12:30 p.m.-7:00 p.m.
1 stop11h 30m
Toronto Pearson Intl
Fri 19/9
6:00 p.m.-10:15 a.m.
1 stop11h 15m
C$ 720
Showing 1-10 of 50 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$ 167). 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 31 July 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 31 July 2025.
The most flights from IE0 to CAON are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 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 31 July 2025.
Check out reviews from past customers who have flown with Delta,KLM, andAir Transat 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.
Entertainment
7.9
Comfort
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Overall
8.0
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Entertainment
7.9
Comfort
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Overall
8.0
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Entertainment
7.9
Comfort
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Overall
8.0
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Entertainment
7.9
Comfort
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Overall
8.0
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Entertainment
7.9
Comfort
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Overall
8.0
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
Entertainment
7.9
Comfort
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Overall
8.0
Reviews
1 / 20
4.0
OkayPeter,Oct 2023
MSP - GEG
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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 31 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 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.