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Cheap flights from Dublin to Ontario from £293

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
7 12月 — 14 12月1
1 adult
1 adult, Economy, 0 bags

Find 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 7 11月 2025.

週五 5/1213:00DUB - YYZ
Nonstop7h 55mAer Lingus
週一 8/1217:25YYZ - DUB
Nonstop6h 50mAer Lingus
Deal found 6/11£338
週三 3/1211:30DUB - YYZ
1 stop11h 45mIcelandair
週六 6/1219:40YYZ - DUB
1 stop9h 35mIcelandair
Deal found 6/11£339
週六 6/1211:30DUB - YYZ
1 stop11h 45mIcelandair
週日 7/1219:40YYZ - DUB
1 stop9h 35mIcelandair
Deal found 6/11£357
週五 14/1111:30DUB - YYZ
1 stop10h 53mMultiple Airlines
週三 19/1112:34YYZ - DUB
1 stop15h 06mMultiple Airlines
Deal found 6/11£388
週五 14/1111:30DUB - YYZ
1 stop10h 53mMultiple Airlines
週一 17/1112:34YYZ - DUB
1 stop15h 06mMultiple Airlines
Deal found 5/11£389
週二 2/1211:30DUB - YYZ
1 stop10h 53mMultiple Airlines
週日 14/1218:15YYZ - DUB
1 stop9h 25mMultiple Airlines
Deal found 5/11£390
週日 7/1211:30DUB - YYZ
1 stop10h 57mMultiple Airlines
週日 14/1218:15YYZ - DUB
1 stop9h 25mMultiple Airlines
Deal found 7/11£390
週五 21/1111:30DUB - YYZ
1 stop11h 45mIcelandair
週四 27/1119:40YYZ - DUB
1 stop9h 35mIcelandair
Deal found 5/11£393
週五 14/1113:00DUB - YYZ
Nonstop7h 55mMultiple Airlines
週二 18/1109:00YYZ - DUB
1 stop19h 00mMultiple Airlines
Deal found 6/11£425
週六 22/1113:00DUB - YYZ
Nonstop7h 55mMultiple Airlines
週一 24/1109:00YYZ - DUB
1 stop15h 10mMultiple Airlines
Deal found 5/11£425
週五 21/1113:00DUB - YYZ
Nonstop7h 55mMultiple Airlines
週一 24/1111:00YYZ - DUB
1 stop17h 00mMultiple Airlines
Deal found 7/11£426
週四 4/1205:00DUB - YYZ
1 stop13h 05mLufthansa
週二 9/1219:35YYZ - DUB
Nonstop6h 35mLufthansa
Deal found 6/11£429

Cheap flight deals from Dublin to Ontario

Keep the following information in mind while searching for Dublin to Ontario flight deals. Data was last updated 7 11月 2025.

Round-trip from

£338

One-way from

£293

Popular in

June

Cheapest in

February

Average price

£342

Good round-trip deal

£388 or less

Good one-way deal

£491 or less
Aer Lingus
  • Aer Lingus
  • 5/12-8/12
  • Nonstop
  • 14h 45m total
  • Dublin to Ontario
Search Deals
2/12
  • 2/12
  • 3 total stops
  • 28h 10m total
  • Dublin to Ontario
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (£166 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£52 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 7 11月 2025.
Use the filters below to find and compare flights from Dublin to Ontario that are best for you.

Fly from

Dublin

Fly to

Ontario

Route

Depart

Return

Price

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

週六 6/12

11:30-18:15

1 stop11h 45m

Toronto Pearson Intl

週三 10/12

19:40-10:15

1 stop9h 35m

£357

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

週四 15/1

11:30-22:59

1 stop16h 29m

Toronto Pearson Intl

週三 21/1

22:05-17:00

1 stop13h 55m

£357

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

週五 5/12

11:30-17:27

1 stop10h 57m

Toronto Pearson Intl

週二 9/12

18:15-08:40

1 stop9h 25m

£389

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

週一 17/11

11:30-17:23

1 stop10h 53m

Toronto Pearson Intl

週日 23/11

18:15-08:40

1 stop9h 25m

£389

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

週六 13/12

11:30-22:56

1 stop16h 26m

Toronto Pearson Intl

週二 30/12

16:05-08:40

1 stop11h 35m

£389

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

週五 26/12

11:30-17:29

1 stop10h 59m

Toronto Pearson Intl

週日 4/1

12:34-08:40

1 stop15h 06m

£390

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

週日 7/12

11:30-17:27

1 stop10h 57m

Toronto Pearson Intl

週日 14/12

18:15-08:40

1 stop9h 25m

£390

DublinOttawa

DUB - YOW

DUBYOW

Dublin

週三 6/5

13:15-08:05

1 stop23h 50m

Ottawa

週日 10/5

17:05-11:30

1 stop13h 25m

£409

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

週五 21/11

13:00-15:55

Nonstop7h 55m

Toronto Pearson Intl

週一 24/11

11:00-09:00

1 stop17h 00m

£426

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

週三 29/4

19:05-15:40

1 stop25h 35m

Toronto Pearson Intl

週日 3/5

17:10-11:50

1 stop13h 40m

£428

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 53 results
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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, May is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of £173). Flying from Dublin to Region of Ontario in August is currently the most expensive (average of £353). 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 7 11月 2025.

It’s optimal to fly from Dublin to Region of Ontario in the afternoon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the morning.

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 7 11月 2025.

The most flights from DUB to CAON are scheduled on a Wednesday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 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 7 11月 2025.
Read reviews from past customers who have flown with Air Transat, Aer Lingus, andAir Canada from Dublin to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Food

6.8

Overall

7.8

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
470 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Food

6.8

Overall

7.8

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Aer Lingus
7.2
Good
1,365 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Food

6.8

Overall

7.8

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,416 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Food

6.8

Overall

7.8

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Icelandair
7.1
Good
572 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Food

6.8

Overall

7.8

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,558 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Food

6.8

Overall

7.8

Boarding

7.9

Comfort

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 £357, Icelandair can have you in Region of Ontario from Dublin in 11h 45m. Dublin and Region of Ontario are separated by a distance of 3267 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 Air Canada (92%), United Airlines (92%) or Lufthansa (92%) 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 £311. While the most popular route (Dublin - Toronto Pearson Intl) can be booked for £303 on average, our data indicates £883 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, May is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of £173). Flying from Dublin to Region of Ontario in August is currently the most expensive (average of £353). 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

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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 7 11月 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£246Average£342FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£278Average£391FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapest£284Average£417FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£300Average£383FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapest£306Average£449FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£322Average£487FlexibilityNo 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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