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Cheap flights from Dublin to Ontario from £164

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
2 Jul — 9 Jul1
1 adult

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 27 June 2025.

Round-trip from

£328

One-way from

£164

Popular in

June

Cheapest in

November

Average price

£1,143

Good round-trip deal

£372 or less

Good one-way deal

£221 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 19/10-9/11
  • 2 total stops
  • 47h 50m total
  • Dublin to Ontario
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WestJet
  • WestJet
  • 16/8
  • Nonstop
  • 7h 40m total
  • Dublin to Ontario
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (£152 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£47 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Dublin to Ontario.
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Price to beat on a one-way flight from Dublin to Ontario.
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Find flight deals from Dublin to Ontario

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 27 June 2025.

Sun 19/1017:00DUB - YYZ
1 stop27h 40mScandinavian Airlines
Sun 9/1117:10YYZ - DUB
1 stop20h 10mScandinavian Airlines
Deal found 26/6£328
Thu 4/913:15DUB - YYZ
Nonstop7h 35mAer Lingus
Thu 25/917:20YYZ - DUB
Nonstop6h 35mAer Lingus
Deal found 26/6£329
Thu 28/809:20DUB - YTZ
1 stop13h 26mAir Canada
Sun 31/810:20YTZ - DUB
2 stops16h 25mAir Canada
Deal found 25/6£330
Thu 28/809:00DUB - YTZ
2 stops17h 31mMultiple Airlines
Sun 31/810:20YTZ - DUB
2 stops16h 25mMultiple Airlines
Deal found 25/6£331
Thu 27/1109:20DUB - YYZ
1 stop11h 55mLufthansa
Sun 30/1119:35YYZ - DUB
Nonstop6h 35mLufthansa
Deal found 25/6£332
Tue 14/1011:10DUB - YYZ
1 stop13h 45mKLM
Sat 8/1121:15YYZ - DUB
1 stop10h 25mKLM
Deal found 25/6£334
Thu 21/813:15DUB - YYZ
Nonstop7h 35mAir Transat
Sun 12/1023:55YYZ - DUB
Nonstop6h 35mAir Transat
Deal found 26/6£338
Sat 20/914:15DUB - YYZ
1 stop12h 40mIcelandair
Fri 26/923:00YYZ - DUB
1 stop31h 05mIcelandair
Deal found 26/6£340
Mon 18/812:00DUB - YYZ
Nonstop7h 40mMultiple Airlines
Fri 22/823:55YYZ - DUB
Nonstop6h 35mMultiple Airlines
Deal found 25/6£346
Tue 21/1018:40DUB - YYZ
2 stops28h 54mSWISS
Wed 12/1120:30YYZ - DUB
1 stop16h 15mSWISS
Deal found 26/6£348
Tue 9/911:30DUB - YYZ
Nonstop7h 40mWestJet
Sat 27/922:10YYZ - DUB
Nonstop6h 50mWestJet
Deal found 25/6£350
Mon 13/1008:45DUB - YYZ
1 stop12h 15mAmerican Airlines
Sat 8/1115:50YYZ - DUB
2 stops15h 50mAmerican Airlines
Deal found 25/6£355

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 27 June 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

Sun 19/10

17:00-15:40

1 stop27h 40m

Toronto Pearson Intl

Sun 9/11

17:10-18:20

1 stop20h 10m

£328

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 4/9

13:15-15:50

Nonstop7h 35m

Toronto Pearson Intl

Thu 25/9

17:20-04:55

Nonstop6h 35m

£329

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Thu 28/8

09:20-17:46

1 stop13h 26m

Toronto Island

Sun 31/8

10:20-07:45

2 stops16h 25m

£330

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Thu 28/8

09:00-21:31

2 stops17h 31m

Toronto Island

Sun 31/8

10:20-07:45

2 stops16h 25m

£331

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 27/11

09:20-16:15

1 stop11h 55m

Toronto Pearson Intl

Sun 30/11

19:35-07:10

Nonstop6h 35m

£332

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 14/10

11:10-19:55

1 stop13h 45m

Toronto Pearson Intl

Sat 8/11

21:15-12:40

1 stop10h 25m

£334

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 21/8

13:15-15:50

Nonstop7h 35m

Toronto Pearson Intl

Sun 12/10

23:55-11:30

Nonstop6h 35m

£338

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sat 20/9

14:15-21:55

1 stop12h 40m

Toronto Pearson Intl

Fri 26/9

23:00-11:05

1 stop31h 05m

£340

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 18/8

12:00-14:40

Nonstop7h 40m

Toronto Pearson Intl

Fri 22/8

23:55-11:30

Nonstop6h 35m

£346

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 21/10

18:40-18:34

2 stops28h 54m

Toronto Pearson Intl

Sun 9/11

20:30-17:45

1 stop16h 15m

£348

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 35 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, January is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of £490). Flying from Dublin to Region of Ontario in July is currently the most expensive (average of £708). 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 27 June 2025.

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 27 June 2025.

The most flights from DUB 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).

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 27 June 2025.
Read reviews from past customers who have flown with KLM, Air Transat, andAustrian Airlines from Dublin to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,365 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,365 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Transat
7.8
Good
401 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
805 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,649 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,838 reviews
KLM
7.8
Good
1,365 reviews
Check prices

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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 £164. Users have also found prices from £246 and £291 on Air Transat and Icelandair, 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 - Hamilton.

  • 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 (87%), Air Canada (84%) or United Airlines (84%) 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 £95. While the most popular route (Dublin - Toronto Pearson Intl) can be booked for £308 on average our data indicates £831 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, January is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of £490). Flying from Dublin to Region of Ontario in July is currently the most expensive (average of £708). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 27 June 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£233Average£331FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£268Average£406FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapest£271Average£408FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£275Average£362FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapest£288Average£384FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£302Average£467FlexibilityNo 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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