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Cheap flights from Dublin to Ontario from £125

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
11 May — 18 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Ontario
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 11 April 2026.

Sun 10/510:40
DUB
-
YYZ
Nonstop7h 40m
WestJet
Tue 19/521:35
YYZ
-
DUB
Nonstop6h 45m
WestJet
Deal found 10/4£335
Thu 16/414:15
DUB
-
YYZ
1 stop9h 55m
Icelandair
Wed 27/119:40
YYZ
-
DUB
1 stop9h 35m
Icelandair
Deal found 8/4£338
Fri 22/513:15
DUB
-
YYZ
Nonstop7h 35m
Multiple Airlines
Sun 24/507:35
YYZ
-
DUB
1 stop19h 45m
Multiple Airlines
Deal found 7/4£341
Wed 15/412:15
DUB
-
YYZ
1 stop11h 55m
Icelandair
Wed 24/320:40
YYZ
-
DUB
1 stop9h 35m
Icelandair
Deal found 7/4£345
Fri 8/512:15
DUB
-
YYZ
1 stop14h 50m
Icelandair
Sun 6/1219:40
YYZ
-
DUB
1 stop9h 35m
Icelandair
Deal found 9/4£347
Sat 16/511:20
DUB
-
YYZ
Nonstop7h 40m
WestJet
Sun 24/521:35
YYZ
-
DUB
Nonstop6h 45m
WestJet
Deal found 7/4£347
Thu 14/509:40
DUB
-
YYZ
1 stop12h 35m
Multiple Airlines
Tue 26/522:05
YYZ
-
DUB
2 stops20h 15m
Multiple Airlines
Deal found 11/4£351
Wed 29/412:15
DUB
-
YYZ
1 stop11h 55m
Icelandair
Wed 13/523:10
YYZ
-
DUB
1 stop30h 55m
Icelandair
Deal found 10/4£356
Thu 7/514:15
DUB
-
YYZ
1 stop12h 50m
Icelandair
Mon 11/523:10
YYZ
-
DUB
1 stop9h 05m
Icelandair
Deal found 6/4£356
Tue 16/610:10
DUB
-
YYZ
1 stop12h 00m
WestJet
Thu 20/823:05
YYZ
-
DUB
Nonstop6h 50m
WestJet
Deal found 9/4£360
Sat 23/509:20
DUB
-
YTZ
1 stop10h 02m
Air Canada
Sat 30/520:55
YTZ
-
DUB
2 stops29h 50m
Air Canada
Deal found 8/4£360
Wed 17/609:40
DUB
-
YOW
2 stops19h 40m
WestJet
Sat 20/606:55
YOW
-
DUB
2 stops44h 25m
WestJet
Deal found 9/4£361

Find flight deals from Dublin to Ontario

Keep the following information in mind while searching for Dublin to Ontario flight deals. Data was last updated 11 April 2026.

Round-trip from

£335

One-way from

£125

Popular in

June

Cheapest in

November

Average price

£408

Good round-trip deal

£401 or less

Good one-way deal

£287 or less
WestJet
  • WestJet
  • 10/5-19/5
  • Nonstop
  • 14h 25m total
  • Dublin to Ontario
Search Deals
WestJet
  • WestJet
  • 27/4
  • 1 total stop
  • 12h 35m total
  • Dublin to Ontario
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£163 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (£51 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Dublin to Ontario.
Search Deals
Price to beat on a one-way flight from Dublin to Ontario.
Search Deals

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 11 April 2026.
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

Cheapest return flight

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Tue 5/5

08:50-20:09

2 stops16h 19m

Toronto Island

Tue 12/5

14:20-07:30

1 stop12h 10m

£424

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Sat 23/5

08:50-20:09

2 stops16h 19m

Toronto Island

Sat 30/5

14:20-10:40

2 stops15h 20m

£425

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 22/5

12:30-19:02

1 stop11h 32m

Toronto Pearson Intl

Fri 29/5

12:25-07:30

2 stops14h 05m

£431

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 22/5

08:50-19:02

1 stop15h 12m

Toronto Pearson Intl

Sun 24/5

12:25-07:30

2 stops14h 05m

£431

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 1/7

09:40-00:20

2 stops19h 40m

Ottawa

Sat 1/8

06:55-09:20

1 stop21h 25m

£431

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sat 23/5

08:50-17:10

2 stops13h 20m

Toronto Pearson Intl

Sat 30/5

16:00-10:40

2 stops13h 40m

£431

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 10/7

13:15-20:00

1 stop11h 45m

Ottawa

Wed 26/8

08:40-11:30

1 stop21h 50m

£492

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 22/5

19:50-15:40

2 stops24h 50m

Toronto Pearson Intl

Fri 29/5

17:10-08:00

2 stops33h 50m

£501

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 15/9

19:05-15:40

1 stop25h 35m

Toronto Pearson Intl

Tue 29/9

17:10-10:25

2 stops36h 15m

£502
Fastest return journey

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 18/8

13:15-15:50

Nonstop7h 35m

Toronto Pearson Intl

Wed 26/8

23:55-11:30

Nonstop6h 35m

£504

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 57 resultsSorted by cheapest first
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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.
Estimated return 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 Dublin to Ontario

What is the cheapest month to book a flight from Dublin to Region of Ontario?

Currently, March is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of £191). Flying from Dublin to Region of Ontario in July is currently the most expensive (average of £368). 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 DUB to ON?

Find hourly flight availability from Dublin 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 11 April 2026.

When flying from Dublin 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 Dublin to Region of Ontario

Explore weekly flight availability from Dublin 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 11 April 2026.

The most flights from DUB to CAON are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost for a return flight from Dublin to Region of Ontario?

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 11 April 2026.
Read reviews from past customers who have flown with Air Transat,Aer Lingus, andWestJet from Dublin to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
535 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
535 reviews
Air Transat
7.7
Good
535 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Aer Lingus
7.2
Good
1,503 reviews
Air Transat
7.7
Good
535 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
WestJet
7.2
Good
3,320 reviews
Air Transat
7.7
Good
535 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,916 reviews
Air Transat
7.7
Good
535 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Icelandair
7.0
Good
632 reviews
Air Transat
7.7
Good
535 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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.

  • What airport do you fly from for flights from Dublin to Ontario?

    Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Ontario. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.

  • How long is the flight from Dublin to Region of Ontario?

    For as low as £424, United Airlines can have you in Region of Ontario from Dublin in 16h 19m. Dublin and Region of Ontario are separated by a distance of 3260 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Dublin to Region of Ontario one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £85. Users have also found prices from £158 and £260 on Air Transat and Lufthansa, respectively.

  • What are the most popular routes from Dublin to Region of Ontario?

    The most popular flight routes from Dublin to Region of Ontario are Dublin - Toronto Pearson Intl, Dublin - Toronto Island and Dublin - Ottawa.

  • What are the most reliable airlines from Dublin to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from Dublin to Region of Ontario consider choosing WestJet (77%), American Airlines (74%) or Aer Lingus (74%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Dublin to Region of Ontario?

    Looking at all options, your cheapest flight can be booked for £156. While the most popular route (Dublin - Toronto Pearson Intl) can be booked for £322 on average, our data indicates £935 when flying from Dublin to Region of Ontario.

  • Can I find deals for flights from Dublin to Ontario that include hotel bookings?

    Yes. In addition to deals on Dublin to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Ontario.

  • Can I find deals for business class flights from Dublin to Ontario?

    Yes. Cheapflights offers flight deals from Dublin to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to Region of Ontario?

    Currently, March is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of £191). Flying from Dublin to Region of Ontario in July is currently the most expensive (average of £368). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Dublin to Ontario

Discover the top 6 airlines that operate flights from Dublin 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 858,174 searches. Data last updated 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£188Average£359FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapest£272Average£337FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£297Average£408FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapest£319Average£381FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£321Average£422FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£330Average£473FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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?

Deals for Dublin to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dublin to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Dublin to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Dublin? 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 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.

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