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Cheap flights from Dublin to Ontario from £171

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£332

One-way from

£171

Popular in

June

Cheapest in

November

Average price

£1,155

Good round-trip deal

£372 or less

Good one-way deal

£223 or less
Icelandair
  • Icelandair
  • 14/10-19/10
  • 2 total stops
  • 21h 20m total
  • Dublin to Ontario
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WestJet
  • WestJet
  • 23/6
  • Nonstop
  • 7h 40m total
  • Dublin to Ontario
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (£156 potential increase over avg. return price).
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Cheapest flight prices on average. 17% potential price decrease (£48 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 13 June 2025.

Tue 14/1014:15DUB - YYZ
1 stop9h 55mIcelandair
Sun 19/1020:50YYZ - DUB
1 stop11h 25mIcelandair
Deal found 12/6£332
Thu 18/909:20DUB - YTZ
1 stop13h 25mAir Canada
Wed 24/912:25YTZ - DUB
1 stop14h 20mAir Canada
Deal found 11/6£333
Thu 26/609:20DUB - YTZ
1 stop12h 26mMultiple Airlines
Sun 29/618:25YTZ - DUB
1 stop8h 20mMultiple Airlines
Deal found 12/6£333
Fri 10/1005:55DUB - YYZ
1 stop11h 30mLufthansa
Thu 16/1020:40YYZ - DUB
Nonstop6h 35mLufthansa
Deal found 12/6£334
Thu 26/609:20DUB - YYZ
1 stop11h 15mMultiple Airlines
Tue 1/716:35YYZ - DUB
1 stop14h 35mMultiple Airlines
Deal found 11/6£340
Thu 18/913:15DUB - YYZ
Nonstop7h 35mAer Lingus
Thu 25/917:20YYZ - DUB
Nonstop6h 35mAer Lingus
Deal found 11/6£345
Sun 21/910:15DUB - YYZ
1 stop34h 25mScandinavian Airlines
Sun 28/917:10YYZ - DUB
2 stops13h 20mScandinavian Airlines
Deal found 11/6£347
Tue 26/813:15DUB - YYZ
Nonstop7h 35mAir Transat
Fri 29/823:55YYZ - DUB
Nonstop6h 35mAir Transat
Deal found 11/6£350
Tue 8/709:30DUB - YYZ
1 stop12h 45mAmerican Airlines
Fri 25/718:05YYZ - DUB
1 stop10h 35mAmerican Airlines
Deal found 12/6£354
Sat 9/813:35DUB - YYZ
1 stop24h 44mAir Canada
Sun 10/820:40YYZ - DUB
Nonstop6h 35mAir Canada
Deal found 11/6£364
Fri 10/1018:40DUB - YYZ
1 stop23h 10mSWISS
Sat 18/1017:45YYZ - DUB
2 stops37h 25mSWISS
Deal found 12/6£369
Wed 17/908:30DUB - YYZ
1 stop16h 40mBritish Airways
Tue 23/912:45YYZ - DUB
2 stops16h 05mBritish Airways
Deal found 11/6£380

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 13 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

Tue 14/10

14:15-19:10

1 stop9h 55m

Toronto Pearson Intl

Sun 19/10

20:50-13:15

1 stop11h 25m

£332

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Thu 18/9

09:20-17:45

1 stop13h 25m

Toronto Island

Wed 24/9

12:25-07:45

1 stop14h 20m

£333

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Thu 26/6

09:20-16:46

1 stop12h 26m

Toronto Island

Sun 29/6

18:25-07:45

1 stop8h 20m

£333

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 10/10

09:00-16:20

1 stop12h 20m

Toronto Pearson Intl

Sun 19/10

20:40-08:15

Nonstop6h 35m

£334

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 26/6

09:20-15:35

1 stop11h 15m

Toronto Pearson Intl

Tue 1/7

16:35-12:10

1 stop14h 35m

£340

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 18/9

13:15-15:50

Nonstop7h 35m

Toronto Pearson Intl

Thu 25/9

17:20-04:55

Nonstop6h 35m

£345

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sun 21/9

10:15-15:40

1 stop34h 25m

Toronto Pearson Intl

Sun 28/9

17:10-11:30

2 stops13h 20m

£347

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 26/8

13:15-15:50

Nonstop7h 35m

Toronto Pearson Intl

Fri 29/8

23:55-11:30

Nonstop6h 35m

£350

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 8/7

09:30-17:15

1 stop12h 45m

Toronto Pearson Intl

Fri 25/7

18:05-09:40

1 stop10h 35m

£354

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sat 9/8

13:35-09:19

1 stop24h 44m

Toronto Pearson Intl

Sun 10/8

20:40-08:15

Nonstop6h 35m

£364

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 38 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 13 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 13 June 2025.

The most flights from DUB to CAON are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 13 June 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air Transat 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.
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
Delta
8.0
Very Good
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.

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 £171. Users have also found prices from £233 and £284 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 Air Canada (84%), United Airlines (84%) or Lufthansa (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 £147. While the most popular route (Dublin - Toronto Pearson Intl) can be booked for £319 on average our data indicates £852 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£236Average£337FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£271Average£420FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapest£274Average£413FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£278Average£365FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£305Average£470FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapest£320Average£395FlexibilityNo cancel feeOn-time50%
Search Air Transat 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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