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Cheap flights from Dublin to Ontario from £316

DUB — YYZ
8 Dec — 15 Dec1
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

Thu 12/1109:00 -
Nonstop7h 10m
Sat 21/1119:45 -
Nonstop6h 25m
Deal found 3/11£395
Mon 16/1109:00 -
Nonstop7h 10m
Sun 22/1119:45 -
Nonstop6h 25m
Deal found 4/11£397
Mon 16/1109:00 -
Nonstop7h 10m
Sun 22/1120:25 -
1 stop16h 20m
Deal found 4/11£405
Mon 16/1118:35 -
1 stop26h 10m
Sun 22/1120:25 -
1 stop16h 20m
Deal found 4/11£407
Thu 12/1109:00 -
Nonstop7h 10m
Sat 21/1112:00 -
2 stops18h 20m
Deal found 3/11£410
Sat 21/1109:00 -
Nonstop7h 10m
Sun 22/1120:25 -
1 stop16h 20m
Deal found 5/11£410
Sat 21/1109:00 -
Nonstop7h 10m
Sun 22/1119:45 -
Nonstop6h 25m
Deal found 5/11£412
Thu 3/1209:00 -
1 stop11h 48m
Thu 10/1220:25 -
1 stop29h 45m
Deal found 5/11£577
Thu 3/1219:05 -
3 stops29h 12m
Thu 10/1215:15 -
3 stops22h 05m
Deal found 5/11£585
Mon 16/1118:35 -
2 stops29h 10m
Sun 29/1117:40 -
2 stops20h 30m
Deal found 6/11£608
Fri 27/1113:35 -
2 stops29h 34m
Mon 14/1214:00 -
2 stops14h 55m
Deal found 2/11£631
Wed 16/1212:05 -
2 stops14h 51m
Wed 30/1214:00 -
2 stops12h 30m
Deal found 5/11£633

Find flight deals from Dublin to Ontario

Round-trip from

£386

One-way from

£316

Popular in

December

Cheapest in

February

Average price

£401

Good round-trip deal

£501 or less

Good one-way deal

£388 or less
Lufthansa
  • Lufthansa
  • 21/1-31/1
  • Nonstop
  • 13h 35m total
  • Dublin to Ontario
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1/5-31/12
  • 1/5-31/12
  • 2 total stops
  • 32h 20m total
  • Dublin to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£21 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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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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Cheapflights Fare Finder

 
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 Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Thu 25/3

05:45-16:40

1 stop14h 55m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£335

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Tue 16/3

08:50-20:15

1 stop15h 25m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£337
Fastest return journey

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Thu 8/4

05:55-13:55

1 stop13h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£338

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Fri 23/4

05:55-13:55

1 stop13h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£338

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Wed 21/4

11:10-19:55

1 stop13h 45m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£338

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Thu 15/4

05:55-13:55

1 stop13h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£338

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Fri 16/4

11:10-19:55

1 stop13h 45m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£338

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Sat 10/4

11:10-19:55

1 stop13h 45m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£339

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Thu 22/4

05:55-13:55

1 stop13h 00m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£340

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Mon 30/11

09:15-23:40

3 stops43h 25m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£360

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 32 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

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 £373). Flying from Dublin to Region of Ontario in December is currently the most expensive (average of £550). 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?

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

The most flights from DUB to CAON are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, 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?

Airfare is typical for this route at the moment.
Dublin to Region of Ontario flights typically cost between £370 and £491 in January.
The cheapest return price found within the last 5 days was £386 on Lufthansa (21 Jan–31 Jan).

How far ahead should I book a flight from Dublin to Region of Ontario?

To ensure you get the cheapest price possible for a flight from Dublin to Region of Ontario, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Ontario

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
585 reviews
Check prices

Entertainment

7.0

Overall

7.7

Food

6.7

Comfort

7.3

Crew

8.5

Boarding

7.9

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
7.7
Good
585 reviews
Air Transat
7.7
Good
585 reviews
Check prices

Entertainment

7.0

Overall

7.7

Food

6.7

Comfort

7.3

Crew

8.5

Boarding

7.9

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
7.3
Good
1,881 reviews
Air Transat
7.7
Good
585 reviews
Check prices

Entertainment

7.0

Overall

7.7

Food

6.7

Comfort

7.3

Crew

8.5

Boarding

7.9

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.
WestJet
7.2
Good
3,442 reviews
Air Transat
7.7
Good
585 reviews
Check prices

Entertainment

7.0

Overall

7.7

Food

6.7

Comfort

7.3

Crew

8.5

Boarding

7.9

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
11,870 reviews
Air Transat
7.7
Good
585 reviews
Check prices

Entertainment

7.0

Overall

7.7

Food

6.7

Comfort

7.3

Crew

8.5

Boarding

7.9

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
8,297 reviews
Air Transat
7.7
Good
585 reviews
Check prices

Entertainment

7.0

Overall

7.7

Food

6.7

Comfort

7.3

Crew

8.5

Boarding

7.9

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

  • 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 £438, KLM 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 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 £90. Users have also found prices from £163 and £261 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 Island, Dublin - Toronto Pearson Intl 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 (81%), United Airlines (81%) or Lufthansa (81%) 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 £367. While the most popular route (Dublin - Toronto Island) can be booked for £413 on average, our data indicates £1,024 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 £373). Flying from Dublin to Region of Ontario in December is currently the most expensive (average of £550). 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

Top 6 airlines flying from Dublin to Ontario

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£92Average£442FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
WestJetCheapest£242Average£363FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapest£278Average£365FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£296Average£462FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapest£330Average£430FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£355Average£437FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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