Cheap flights from Dublin to Ontario from £435
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Dublin to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 July 2025.
Round-trip from | £508 |
---|---|
One-way from | £455 |
Popular in | July |
Cheapest in | February |
Average price | £632 |
Find flight deals from Dublin to Ontario
Cheapest flights from Dublin to OntarioExplore the most affordable flight options available from Dublin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.
Explore the most affordable flight options available from Dublin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Dublin 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 858,174 searches. Data last updated 3 July 2025.
Use the filters below to find and compare flights from Dublin to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinOntario
DUB - ONT
DUBONT
Dublin
Mon 27/10
14:05-22:18
1 stop15h 13m
Ontario
Fri 7/11
08:46-07:15
1 stop14h 29m
DublinOntario
DUB - ONT
DUBONT
Dublin
Mon 1/12
09:45-22:41
1 stop20h 56m
Ontario
Mon 15/12
07:00-07:45
1 stop16h 45m
DublinOntario
DUB - ONT
DUBONT
Dublin
Thu 14/8
09:20-20:54
2 stops19h 34m
Ontario
Thu 21/8
13:42-07:10
2 stops33h 28m
DublinOntario
DUB - ONT
DUBONT
Dublin
Mon 25/8
11:30-21:59
1 stop18h 29m
Ontario
Sun 7/9
22:56-08:20
1 stop25h 24m
DublinOntario
DUB - ONT
DUBONT
Dublin
Fri 22/8
12:40-22:48
1 stop18h 08m
Ontario
Sun 31/8
10:50-09:45
1 stop14h 55m
DublinOntario
DUB - ONT
DUBONT
Dublin
Wed 16/7
11:10-22:47
2 stops19h 37m
Ontario
Sun 20/7
22:05-08:45
1 stop26h 40m
DublinOntario
DUB - ONT
DUBONT
Dublin
Sun 17/8
07:30-18:25
2 stops18h 55m
Ontario
Mon 1/9
10:50-13:25
2 stops18h 35m
DublinOntario
DUB - ONT
DUBONT
Dublin
Fri 15/8
11:30-22:10
1 stop18h 40m
DublinOntario
DUB - ONT
DUBONT
Dublin
Sun 14/9
10:55-22:16
2 stops19h 21m
DublinOntario
DUB - ONT
DUBONT
Dublin
Thu 6/11
13:05-23:45
2 stops18h 40m
Best time to book a flight from Dublin to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Dublin with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Dublin to Ontario
What is the cheapest month to book a flight from Dublin to Ontario?
Currently, March is the cheapest month in which you can book a flight from Dublin to Ontario (average of £516). Flying from Dublin to Ontario in August is currently the most expensive (average of £827). 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.
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 3 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andUnited Airlines from Dublin to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Food
Boarding
Overall
Crew
Comfort
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Dublin 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 Dublin to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Dublin to Ontario?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dublin to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Dublin 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 Dublin.
Can Cheapflights find flights from Dublin to Ontario with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Dublin to Ontario, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Dublin to Ontario become cheaper?
Of course! You can now track prices for flights from Dublin 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.