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Cheap flights from Dublin to Ontario from £80

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
30 Jan — 6 Feb1
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 31 December 2025.

Tue 30/1212:05DUB - YYZ
1 stop11h 52mUnited Airlines
Sun 4/108:15YYZ - DUB
1 stop18h 55mUnited Airlines
Deal found 29/12£766
Mon 29/1205:55DUB - YYZ
1 stop14h 45mKLM
Thu 8/121:15YYZ - DUB
1 stop29h 50mKLM
Deal found 28/12£787
Wed 31/1211:30DUB - YYZ
2 stops28h 26mMultiple Airlines
Fri 9/122:05YYZ - DUB
1 stop30h 45mMultiple Airlines
Deal found 29/12£830
Mon 29/1209:00DUB - YYZ
Nonstop7h 15mLufthansa
Fri 2/119:35YYZ - DUB
Nonstop6h 35mLufthansa
Deal found 29/12£844
Tue 30/1212:05DUB - YYZ
2 stops28h 43mUnited Airlines
Tue 6/114:15YYZ - DUB
1 stop12h 55mUnited Airlines
Deal found 29/12£852
Tue 30/1218:30DUB - YYZ
1 stop25h 20mBritish Airways
Sat 3/118:05YYZ - DUB
1 stop13h 40mBritish Airways
Deal found 30/12£1,277
Mon 29/1211:30DUB - YTZ
2 stops15h 40mMultiple Airlines
Thu 8/113:10YTZ - DUB
2 stops16h 05mMultiple Airlines
Deal found 28/12£1,837

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 31 December 2025.

Round-trip from

£351

One-way from

£80

Popular in

June

Cheapest in

February

Average price

£532

Good round-trip deal

£420 or less

Good one-way deal

£462 or less
Lufthansa
  • Lufthansa
  • 11/4-27/4
  • 2 total stops
  • 36h 45m total
  • Dublin to Ontario
Search Deals
WestJet
  • WestJet
  • 10/3
  • Nonstop
  • 7h 45m total
  • Dublin to Ontario
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£148 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (£48 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 31 December 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 12/4

05:55-12:30

1 stop11h 35m

Toronto Pearson Intl

Sat 25/4

20:20-16:55

1 stop15h 35m

£351

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 16/4

05:55-16:20

1 stop15h 25m

Toronto Pearson Intl

Sun 3/5

20:20-16:55

1 stop15h 35m

£351

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sat 18/4

05:55-19:35

1 stop18h 40m

Toronto Pearson Intl

Sun 3/5

20:20-16:55

1 stop15h 35m

£351

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 17/4

08:45-16:20

1 stop12h 35m

Toronto Pearson Intl

Mon 4/5

16:40-11:40

1 stop14h 00m

£353

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 16/4

09:50-11:50

Nonstop7h 00m

Toronto Pearson Intl

Mon 4/5

20:45-08:15

Nonstop6h 30m

£354

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 17/4

09:50-11:50

Nonstop7h 00m

Toronto Pearson Intl

Sun 3/5

20:20-16:55

1 stop15h 35m

£357

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 10/3

10:50-20:50

2 stops14h 00m

Toronto Pearson Intl

Mon 16/3

20:45-17:10

1 stop16h 25m

£366

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Wed 21/1

05:10-16:40

2 stops16h 30m

Toronto Pearson Intl

Tue 27/1

14:00-12:00

2 stops17h 00m

£375

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sun 12/4

05:55-13:20

1 stop12h 25m

Toronto Pearson Intl

Sat 18/4

23:30-15:25

1 stop10h 55m

£383

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 17/3

11:30-16:40

2 stops33h 10m

Toronto Pearson Intl

Tue 24/3

18:10-18:20

1 stop20h 10m

£386

Flights are sorted by cheapest return flights first.

Deals found on 30/12

Showing 1-10 of 60 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, February is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of £240). Flying from Dublin to Region of Ontario in July is currently the most expensive (average of £365). 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 31 December 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 31 December 2025.

The most flights from DUB to CAON are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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 31 December 2025.
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
490 reviews
Check prices

Comfort

7.3

Overall

7.7

Crew

8.4

Food

6.7

Boarding

7.9

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
490 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Comfort

7.3

Overall

7.7

Crew

8.4

Food

6.7

Boarding

7.9

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
1,418 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Comfort

7.3

Overall

7.7

Crew

8.4

Food

6.7

Boarding

7.9

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
3,228 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Comfort

7.3

Overall

7.7

Crew

8.4

Food

6.7

Boarding

7.9

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
10,571 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Comfort

7.3

Overall

7.7

Crew

8.4

Food

6.7

Boarding

7.9

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
7.1
Good
593 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Comfort

7.3

Overall

7.7

Crew

8.4

Food

6.7

Boarding

7.9

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 £351, Lufthansa can have you in Region of Ontario from Dublin in 11h 35m. 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 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 £96. Users have also found prices from £147 and £309 on Air Transat and Aer Lingus, 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 - Hamilton 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 £221. While the most popular route (Dublin - Toronto Pearson Intl) can be booked for £308 on average, our data indicates £870 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, February is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of £240). Flying from Dublin to Region of Ontario in July is currently the most expensive (average of £365). 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 31 December 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£235Average£338FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£270Average£379FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapest£289Average£401FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£290Average£373FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapest£296Average£438FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£327Average£478FlexibilityNo 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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