What are the cheapest airlines to fly from Dublin to Region of Ontario one-way?

For one-way options, check prices for Air Transat. According to our data, you can fly for as low as £173. Users have also found prices from £224 and £519 on WestJet and United Airlines, respectively.

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.

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).

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 cheapest flights from Dublin to Region of Ontario?

Looking at all options, your cheapest flight can be booked for £169. While the most popular route (Dublin - Toronto Pearson Intl) can be booked for £392 on average our data indicates £827 when flying from Dublin to Region of Ontario.

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 (88%), Air Canada (77%) or United Airlines (77%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Dublin to Region of Ontario?

Before booking your flight from Dublin to Region of Ontario check out the most popular airlines for this route: Air Canada, Aer Lingus or Icelandair.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 53 days in advance, which can save you up to 66% on flights from Dublin to Region of Ontario compared to booking the week you need them. Waiting 53 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £286. For sooner than that we have options available in the next 3 days from £444.

What is the cheapest month to fly from Dublin to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, November can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from Dublin in November are about £441 on average during November, but can be found for as low as £231.

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.

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.

£173+ Flights from Dublin to Ontario

Q: How much does it cost for a return flight from Dublin to Region of Ontario?

Airfare is below average for this route at the moment. Dublin to Region of Ontario flights typically cost between £390 and £532 in November. The cheapest return flight price found within the last 3 days was £327 on Scandinavian Airlines (27 Nov-30 Nov).

Cheap flight deals from Dublin to Ontario

Round-trip from	£327
One-way from	£173
Popular in	June
Cheapest in	November
Average price	£421
Good round-trip deal	£391 or less
Good one-way deal	£253 or less

Scandinavian Airlines
27/11-30/11
3 total stops
39h 10m total
Dublin to Ontario

Search Deals

Air Transat
5/9
Nonstop
7h 35m total
Dublin to Ontario

Search Deals

Highest demand for flights based on searches. 32% potential increase in price (£155 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 17% potential price decrease (£49 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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

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 15 August 2025.

Thu 27/1119:05DUB - YYZ

1 stop25h 35mScandinavian Airlines

Sun 30/1117:10YYZ - DUB

2 stops13h 35mScandinavian Airlines

Deal found 13/8£327

Sat 11/1010:40DUB - YYZ

1 stop12h 50mLufthansa

Wed 15/1020:40YYZ - DUB

Nonstop6h 35mLufthansa

Deal found 13/8£330

Thu 2/1019:05DUB - YYZ

1 stop25h 35mScandinavian Airlines

Thu 9/1017:10YYZ - DUB

1 stop13h 40mScandinavian Airlines

Deal found 14/8£330

Thu 18/909:20DUB - YTZ

1 stop10h 25mAir Canada

Mon 29/917:25YTZ - DUB

1 stop9h 20mAir Canada

Deal found 14/8£334

Thu 30/1009:20DUB - YYZ

1 stop15h 30mLufthansa

Tue 4/1119:35YYZ - DUB

Nonstop6h 35mLufthansa

Deal found 13/8£337

Fri 19/909:00DUB - YYZ

1 stop12h 20mLufthansa

Sat 27/920:20YYZ - DUB

1 stop30h 25mLufthansa

Deal found 13/8£339

Wed 10/905:55DUB - YYZ

1 stop15h 25mLufthansa

Wed 17/920:40YYZ - DUB

Nonstop6h 35mLufthansa

Deal found 13/8£340

Tue 21/1009:00DUB - YYZ

1 stop15h 45mLufthansa

Mon 27/1022:30YYZ - DUB

1 stop13h 55mLufthansa

Deal found 13/8£343

Wed 17/909:00DUB - YTZ

2 stops17h 34mMultiple Airlines

Tue 30/912:25YTZ - DUB

2 stops18h 45mMultiple Airlines

Deal found 14/8£344

Wed 22/1009:00DUB - YTZ

2 stops17h 34mMultiple Airlines

Mon 27/1010:30YTZ - DUB

2 stops21h 35mMultiple Airlines

Deal found 13/8£344

Mon 20/1009:00DUB - YYZ

1 stop15h 45mLufthansa

Mon 27/1022:30YYZ - DUB

1 stop13h 55mLufthansa

Deal found 12/8£345

Sat 27/909:20DUB - YYZ

1 stop10h 14mMultiple Airlines

Sat 4/1016:35YYZ - DUB

1 stop14h 35mMultiple Airlines

Deal found 13/8£347

Best flights from Dublin to Ontario
Discover carefully curated flight deals from Dublin to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2025.

Thu 27/1119:05DUB - YYZ

1 stop25h 35mScandinavian Airlines

Sun 30/1117:10YYZ - DUB

2 stops13h 35mScandinavian Airlines

Deal found 13/8£327

Sat 11/1010:40DUB - YYZ

1 stop12h 50mLufthansa

Wed 15/1020:40YYZ - DUB

Nonstop6h 35mLufthansa

Deal found 13/8£330

Thu 18/909:20DUB - YTZ

1 stop10h 25mAir Canada

Mon 29/917:25YTZ - DUB

1 stop9h 20mAir Canada

Deal found 14/8£334

Wed 24/912:15DUB - YYZ

1 stop11h 55mIcelandair

Thu 2/1020:50YYZ - DUB

1 stop9h 15mIcelandair

Deal found 15/8£339

Wed 17/909:00DUB - YTZ

2 stops17h 34mMultiple Airlines

Tue 30/912:25YTZ - DUB

2 stops18h 45mMultiple Airlines

Deal found 14/8£344

Sun 28/913:15DUB - YOW

1 stop12h 55mAir Transat

Sun 5/1010:45YOW - DUB

1 stop19h 45mAir Transat

Deal found 14/8£456

Mon 20/1013:00DUB - YTZ

2 stops33h 45mSWISS

Mon 27/1012:30YTZ - DUB

2 stops19h 35mSWISS

Deal found 12/8£459

Wed 10/912:30DUB - YOW

2 stops14h 35mUnited Airlines

Wed 17/912:30YOW - DUB

2 stops13h 40mUnited Airlines

Deal found 13/8£493

Thu 2/1019:05DUB - YYZ

1 stop25h 35mScandinavian Airlines

Thu 9/1017:10YYZ - DUB

1 stop13h 40mScandinavian Airlines

Deal found 14/8£330

Thu 30/1009:20DUB - YYZ

1 stop15h 30mLufthansa

Tue 4/1119:35YYZ - DUB

Nonstop6h 35mLufthansa

Deal found 13/8£337

Mon 22/914:15DUB - YYZ

1 stop12h 40mIcelandair

Fri 3/1020:50YYZ - DUB

1 stop11h 25mIcelandair

Deal found 15/8£339

Wed 22/1009:00DUB - YTZ

2 stops17h 34mMultiple Airlines

Mon 27/1010:30YTZ - DUB

2 stops21h 35mMultiple Airlines

Deal found 13/8£344

Direct flights from Dublin to Ontario
Explore direct flight options from Dublin to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 August 2025.

Fri 12/913:15DUB - YYZ

Nonstop7h 35mAir Transat

Mon 22/923:55YYZ - DUB

Nonstop6h 35mAir Transat

Deal found 13/8£375

Fri 12/909:50DUB - YYZ

Nonstop7h 05mLufthansa

Sun 21/920:40YYZ - DUB

Nonstop6h 35mLufthansa

Deal found 13/8£409

Sun 14/909:50DUB - YYZ

Nonstop7h 05mAir Canada

Wed 17/920:40YYZ - DUB

Nonstop6h 35mAir Canada

Deal found 14/8£417

Thu 2/1009:50DUB - YYZ

Nonstop7h 05mAir Canada

Thu 9/1020:40YYZ - DUB

Nonstop6h 35mAir Canada

Deal found 14/8£422

Fri 5/909:50DUB - YYZ

Nonstop7h 05mLufthansa

Wed 29/420:40YYZ - DUB

Nonstop6h 35mLufthansa

Deal found 13/8£430

Sat 11/1013:15DUB - YYZ

Nonstop7h 35mAer Lingus

Wed 15/1017:20YYZ - DUB

Nonstop6h 35mAer Lingus

Deal found 13/8£434

Tue 21/1013:15DUB - YYZ

Nonstop7h 35mAer Lingus

Mon 27/1018:25YYZ - DUB

Nonstop6h 50mAer Lingus

Deal found 13/8£440

Tue 2/910:00DUB - YYZ

Nonstop7h 00mLufthansa

Tue 28/420:40YYZ - DUB

Nonstop6h 35mLufthansa

Deal found 13/8£452

Sun 12/1009:50DUB - YYZ

Nonstop7h 05mAir Canada

Sat 18/1020:40YYZ - DUB

Nonstop6h 35mAir Canada

Deal found 14/8£454

Fri 12/913:15DUB - YYZ

Nonstop7h 35mAir Transat

Sat 20/923:55YYZ - DUB

Nonstop6h 35mAir Transat

Deal found 13/8£468

Sun 12/1009:50DUB - YYZ

Nonstop7h 05mLufthansa

Sat 18/1020:40YYZ - DUB

Nonstop6h 35mLufthansa

Deal found 13/8£479

Last-minute flights from Dublin to Ontario
Discover last-minute flight deals from Dublin to Ontario. Data last updated 15 August 2025 and is based on user searches.

Wed 20/808:50DUB - YYZ

2 stops18h 33mUnited Airlines

Thu 18/911:00YYZ - DUB

2 stops15h 10mUnited Airlines

Deal found 13/8£426

Wed 20/808:50DUB - YYZ

1 stop10h 29mAir Canada

Mon 25/818:00YYZ - DUB

1 stop8h 45mAir Canada

Deal found 13/8£452

Wed 20/808:50DUB - YTZ

2 stops16h 51mMultiple Airlines

Mon 25/808:25YTZ - DUB

1 stop18h 20mMultiple Airlines

Deal found 13/8£462

Thu 21/809:20DUB - YTZ

1 stop10h 26mAir Canada

Mon 25/817:25YTZ - DUB

1 stop9h 20mAir Canada

Deal found 13/8£403

Thu 21/809:20DUB - YYZ

1 stop11h 15mAir Canada

Mon 25/818:00YYZ - DUB

1 stop8h 45mAir Canada

Deal found 13/8£408

Thu 21/812:30DUB - YYZ

2 stops16h 28mUnited Airlines

Mon 25/818:00YYZ - DUB

1 stop12h 10mUnited Airlines

Deal found 13/8£469

Thu 21/813:35DUB - YYZ

2 stops21h 49mUnited Airlines

Thu 28/819:47YYZ - DUB

1 stop9h 33mUnited Airlines

Deal found 14/8£471

Sat 23/812:30DUB - YYZ

1 stop11h 35mMultiple Airlines

Mon 1/916:00YYZ - DUB

1 stop10h 45mMultiple Airlines

Deal found 14/8£465

Sat 23/811:35DUB - YYZ

1 stop16h 35mUnited Airlines

Fri 5/914:30YYZ - DUB

1 stop11h 40mUnited Airlines

Deal found 13/8£476

Sat 23/808:50DUB - YYZ

2 stops18h 33mUnited Airlines

Sat 30/816:00YYZ - DUB

2 stops13h 20mUnited Airlines

Deal found 13/8£477

Sat 23/808:50DUB - YYZ

2 stops13h 14mUnited Airlines

Mon 1/914:30YYZ - DUB

1 stop14h 50mUnited Airlines

Deal found 14/8£480

Sat 23/808:50DUB - YYZ

2 stops19h 20mUnited Airlines

Wed 27/812:15YYZ - DUB

2 stops17h 55mUnited Airlines

Deal found 13/8£499

One-way flights from Dublin to Ontario
Search for one-way flight options from Dublin to Ontario. Find affordable one-way fares based on user searches. Data last updated 15 August 2025.

Fri 5/913:15DUB - YYZ

Nonstop7h 35mAir Transat

Deal found 13/8£173

Sat 13/909:45DUB - YTZ

2 stops28h 53mMultiple Airlines

Deal found 14/8£199

Thu 21/810:00DUB - YYZ

1 stop12h 10mWestJet

Deal found 14/8£224

Fri 12/912:50DUB - YYZ

2 stops37h 23mWestJet

Deal found 14/8£312

Sat 13/909:45DUB - YYZ

2 stops43h 46mWestJet

Deal found 14/8£319

Sat 13/909:45DUB - YHM

2 stops43h 55mWestJet

Deal found 14/8£323

Fri 19/1211:30DUB - YYZ

1 stop11h 30mIcelandair

Deal found 14/8£335

Sun 12/1012:15DUB - YYZ

1 stop11h 55mIcelandair

Deal found 13/8£339

Wed 10/912:15DUB - YYZ

1 stop11h 55mIcelandair

Deal found 14/8£344

Thu 16/1011:30DUB - YYZ

Nonstop7h 40mWestJet

Deal found 13/8£358

Thu 4/909:45DUB - YYZ

2 stops37h 16mWestJet

Deal found 14/8£360

Sat 18/1009:50DUB - YYZ

Nonstop7h 05mLufthansa

Deal found 13/8£371

Fly from

Fly to

Route

Depart

Return

Price

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 27/11

19:05-15:40

1 stop25h 35m

Toronto Pearson Intl

Sun 30/11

17:10-11:45

2 stops13h 35m

£327

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sat 11/10

10:40-18:30

1 stop12h 50m

Toronto Pearson Intl

Wed 15/10

20:40-08:15

Nonstop6h 35m

£330

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 2/10

19:05-15:40

1 stop25h 35m

Toronto Pearson Intl

Thu 9/10

17:10-11:50

1 stop13h 40m

£330

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Thu 18/9

09:20-14:45

1 stop10h 25m

Toronto Island

Mon 29/9

17:25-07:45

1 stop9h 20m

£334

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 30/10

09:20-20:50

1 stop15h 30m

Toronto Pearson Intl

Tue 4/11

19:35-07:10

Nonstop6h 35m

£337

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Wed 24/9

12:15-19:10

1 stop11h 55m

Toronto Pearson Intl

Thu 2/10

20:50-11:05

1 stop9h 15m

£339

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 22/9

14:15-21:55

1 stop12h 40m

Toronto Pearson Intl

Fri 3/10

20:50-13:15

1 stop11h 25m

£339

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 26/9

12:15-21:55

1 stop14h 40m

Toronto Pearson Intl

Thu 2/10

20:50-11:05

1 stop9h 15m

£339

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 22/9

14:15-21:55

1 stop12h 40m

Toronto Pearson Intl

Tue 30/9

20:50-11:05

1 stop9h 15m

£339

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 23/9

14:15-19:10

1 stop9h 55m

Toronto Pearson Intl

Thu 2/10

20:50-11:05

1 stop9h 15m

£339

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 56 results

...

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?

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 (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost for a return flight from Dublin to Region of Ontario?

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown with Air Transat, Air Canada, andAer Lingus 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

427 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Air Transat

7.7

Good

427 reviews

Air Transat

7.7

Good

427 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Air Canada

7.1

Good

9,956 reviews

Air Transat

7.7

Good

427 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Aer Lingus

7.1

Good

1,214 reviews

Air Transat

7.7

Good

427 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Icelandair

7.0

Good

526 reviews

Air Transat

7.7

Good

427 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Lufthansa

6.8

Okay

7,321 reviews

Air Transat

7.7

Good

427 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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.
What are the cheapest airlines to fly from Dublin to Region of Ontario one-way?
For one-way options, check prices for Air Transat. According to our data, you can fly for as low as £173. Users have also found prices from £224 and £519 on WestJet and United Airlines, 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 - 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 WestJet (88%), Air Canada (77%) or United Airlines (77%) 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 £169. While the most popular route (Dublin - Toronto Pearson Intl) can be booked for £392 on average our data indicates £827 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

Alternative routes for Dublin to Ontario

Cork to Kelowna flights

Dublin to Vancouver Intl flights

Dublin to Pearson Intl flights

Dublin to Toronto Island flights

Dublin to Calgary flights

Dublin to Ottawa flights

Dublin to St. John's flights

Dublin to Edmonton flights

Dublin to Kelowna flights

Dublin to Kamloops flights

Complete your trip

Region of Ontario car hire

Toronto Pearson Intl Airport car hire

Ottawa Airport car hire

Toronto Island Airport car hire

Hamilton Airport car hire

London Airport car hire

Toronto Region of Waterloo Intl Airport car hire

Thunder Bay Airport car hire

Sault Ste Marie Airport car hire

Kingston Airport car hire

Timmins Airport car hire

North Bay Airport car hire

Top 6 airlines flying from Dublin to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£236	Average£326	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
WestJet	Cheapest£269	Average£376	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Lufthansa	Cheapest£274	Average£415	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aer Lingus	Cheapest£283	Average£365	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air Transat	Cheapest£295	Average£397	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Air Canada	Cheapest£311	Average£472	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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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Cheap flights from Dublin to Ontario from £173

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dublin to Ontario

Cheapest flights from Dublin to OntarioExplore 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 15 August 2025.

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 15 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin to Ontario that are best for you.

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.

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?

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 15 August 2025.

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 15 August 2025.

How much does it cost for a return flight from Dublin to Region of Ontario?

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown with Air Transat, Air Canada, andAer Lingus from Dublin to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines to fly from Dublin to Region of Ontario one-way?

What are the most popular routes from Dublin to Region of Ontario?

What are the most reliable airlines from Dublin to Region of Ontario?

What are the cheapest flights from Dublin to Region of Ontario?

Can I find deals for flights from Dublin to Ontario that include hotel bookings?

How can I find direct flights from Dublin to Ontario?

Can I find deals for business class flights from Dublin to Ontario?

What is the cheapest month to book a flight from Dublin to Region of Ontario?

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Alternative routes for Dublin to Ontario

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Top 6 airlines flying from Dublin to Ontario

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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 15 August 2025.