How long is the flight from Region of Ontario to Ireland?

Departing from Region of Ontario to Ireland will take you 10h 25m. There are 5258 km between Region of Ontario and Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

The cheapest airlines for a one-way flight from Region of Ontario to Ireland are Air Transat (C$ 218), Porter Airlines (C$ 228), and WestJet (C$ 238).

In terms of precipitation, rainfall in Ireland ranges from 49.0 - 79.0 mm per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.

If weather is an important factor for your trip to Ireland, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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

Yes. In addition to deals on Ontario to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Ireland.

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

Yes. Cheapflights offers flight deals from Ontario to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 253+ Cheap Flights from Ontario to Ireland

Cheap flight deals from Ontario to Ireland

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ontario to Ireland
Explore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Thu 15/1011:55 p.m. -

Nonstop6h 35m

Wed 21/101:15 p.m. -

Nonstop7h 35m

Deal found 8/9C$ 486

Tue 13/1011:55 p.m. -

Nonstop6h 35m

Mon 19/101:15 p.m. -

Nonstop7h 35m

Deal found 8/9C$ 513

Tue 13/1011:55 p.m. -

Nonstop6h 35m

Wed 21/101:15 p.m. -

Nonstop7h 35m

Deal found 8/9C$ 524

Thu 1/1011:55 p.m. -

Nonstop6h 35m

Mon 5/101:15 p.m. -

Nonstop7h 35m

Deal found 7/9C$ 531

Mon 9/112:45 p.m. -

2 stops16h 40m

Mon 16/116:45 p.m. -

2 stops28h 20m

Deal found 10/9C$ 703

Fri 27/115:55 p.m. -

1 stop17h 45m

Fri 4/125:40 a.m. -

1 stop15h 00m

Deal found 8/9C$ 735

Sat 17/101:20 p.m. -

1 stop16h 30m

Tue 20/101:00 p.m. -

1 stop21h 35m

Deal found 9/9C$ 742

Sat 28/119:00 p.m. -

2 stops14h 40m

Fri 4/125:15 p.m. -

1 stop27h 25m

Deal found 9/9C$ 745

Mon 14/96:10 a.m. -

1 stop24h 00m

Sun 20/91:05 p.m. -

1 stop27h 20m

Deal found 7/9C$ 750

Wed 14/106:10 p.m. -

2 stops15h 30m

Wed 28/1011:15 a.m. -

1 stop13h 00m

Deal found 8/9C$ 750

Mon 5/109:55 p.m. -

1 stop19h 40m

Tue 20/1010:50 a.m. -

2 stops17h 39m

Deal found 7/9C$ 754

Thu 19/118:20 p.m. -

1 stop21h 30m

Thu 26/1112:50 p.m. -

2 stops31h 20m

Deal found 7/9C$ 761

Best flights from Ontario to Ireland
Discover carefully curated flight deals from Ontario to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Wed 28/1010:15 p.m. -

1 stop10h 25m

Fri 6/118:50 a.m. -

1 stop11h 50m

Deal found 7/9C$ 713

Thu 12/1110:20 p.m. -

1 stop10h 40m

Mon 30/118:45 a.m. -

1 stop16h 30m

Deal found 11/9C$ 746

Wed 14/106:10 p.m. -

2 stops15h 30m

Wed 28/1011:15 a.m. -

1 stop13h 00m

Deal found 8/9C$ 750

Sun 24/15:15 p.m. -

2 stops16h 30m

Sat 30/16:00 a.m. -

2 stops15h 04m

Deal found 10/9C$ 790

Tue 22/95:05 p.m. -

1 stop12h 35m

Tue 29/98:50 a.m. -

2 stops13h 29m

Deal found 6/9C$ 883

Sun 4/106:10 p.m. -

1 stop35h 40m

Sun 11/101:00 p.m. -

1 stop33h 15m

Deal found 6/9C$ 963

Sun 25/103:25 p.m. -

1 stop10h 45m

Sun 1/119:00 a.m. -

1 stop28h 37m

Deal found 10/9C$ 993

Sun 24/16:30 p.m. -

1 stop15h 15m

Sat 30/16:00 a.m. -

1 stop14h 40m

Deal found 9/9C$ 718

Sun 24/16:30 p.m. -

1 stop15h 15m

Sat 30/111:15 a.m. -

2 stops16h 45m

Deal found 8/9C$ 756

Thu 3/126:30 p.m. -

2 stops13h 10m

Thu 7/19:55 a.m. -

2 stops14h 20m

Deal found 8/9C$ 794

Fri 27/1112:15 p.m. -

1 stop15h 30m

Fri 8/15:45 a.m. -

2 stops22h 06m

Deal found 8/9C$ 742

Fri 27/115:55 p.m. -

1 stop11h 45m

Fri 4/125:40 a.m. -

2 stops22h 27m

Deal found 8/9C$ 774

Fri 25/99:45 a.m. -

2 stops16h 35m

Fri 2/108:50 a.m. -

2 stops13h 29m

Deal found 9/9C$ 886

Mon 8/36:30 p.m. -

1 stop18h 55m

Sun 14/38:55 a.m. -

1 stop11h 45m

Deal found 8/9C$ 742

Sat 28/119:00 p.m. -

2 stops14h 40m

Fri 4/125:40 a.m. -

2 stops22h 27m

Deal found 9/9C$ 783

Sun 11/106:10 p.m. -

1 stop35h 40m

Tue 20/101:00 p.m. -

1 stop33h 15m

Deal found 9/9C$ 971

Wed 7/101:05 p.m. -

2 stops17h 05m

Wed 14/109:30 a.m. -

1 stop15h 49m

Deal found 9/9C$ 886

Sun 4/1012:15 p.m. -

1 stop16h 00m

Tue 13/1011:10 a.m. -

2 stops17h 19m

Deal found 6/9C$ 749

Fri 23/103:30 p.m. -

1 stop11h 45m

Fri 30/108:00 a.m. -

1 stop15h 52m

Deal found 8/9C$ 1,004

Wed 7/107:00 a.m. -

2 stops32h 25m

Mon 12/106:25 a.m. -

2 stops23h 00m

Deal found 8/9C$ 963

Thu 8/106:00 a.m. -

2 stops20h 20m

Mon 12/109:30 a.m. -

2 stops30h 53m

Deal found 10/9C$ 887

Sun 27/912:08 p.m. -

1 stop16h 52m

Wed 7/101:25 p.m. -

2 stops15h 04m

Deal found 10/9C$ 750

Sun 18/106:10 p.m. -

1 stop35h 40m

Tue 20/101:00 p.m. -

1 stop33h 15m

Deal found 9/9C$ 999

Mon 28/910:05 a.m. -

2 stops16h 40m

Wed 7/108:50 a.m. -

2 stops13h 53m

Deal found 7/9C$ 1,025

Wed 30/96:10 p.m. -

2 stops17h 00m

Thu 8/109:15 p.m. -

1 stop27h 55m

Deal found 8/9C$ 1,154

Wed 7/101:10 p.m. -

1 stop13h 20m

Thu 15/109:30 a.m. -

1 stop12h 47m

Deal found 10/9C$ 887

Thu 22/1011:55 p.m. -

2 stops15h 30m

Thu 29/1011:15 a.m. -

1 stop32h 45m

Deal found 7/9C$ 978

Thu 26/113:10 p.m. -

1 stop13h 45m

Thu 17/129:00 a.m. -

2 stops31h 37m

Deal found 8/9C$ 1,028

Sat 26/911:30 p.m. -

1 stop10h 55m

Fri 2/108:55 a.m. -

2 stops16h 45m

Deal found 10/9C$ 772

Mon 30/117:40 p.m. -

1 stop16h 00m

Sun 6/126:00 a.m. -

2 stops22h 33m

Deal found 6/9C$ 944

Find flight deals from Ontario to Ireland

Round-trip from	C$ 486
One-way from	C$ 253
Popular in	December
Cheapest in	January
Average price	C$ 685
Good round-trip deal	C$ 630 or less
Good one-way deal	C$ 476 or less

Porter Airlines
15/10-21/10
Nonstop
14h 10m total
Ontario to Ireland

Search Deals

Air Transat
17/10-31/12
Nonstop
6h 35m total
Ontario to Ireland

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 111 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Ontario to Ireland.

Search Deals

Price to beat on a one-way flight from Ontario to Ireland.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Sun 18/10

10:15 p.m.-3:35 p.m.

1 stop12h 20m

Shannon

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 296

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Tue 13/10

6:55 a.m.-11:30 a.m.

1 stop23h 35m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 329

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Sun 18/10

10:15 p.m.-12:05 a.m.

2 stops20h 50m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 330

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Thu 1/10

6:55 a.m.-11:30 a.m.

1 stop23h 35m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 348

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Sat 3/10

6:25 p.m.-11:30 a.m.

1 stop12h 05m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 354

HamiltonDublin

YHM Hamilton - DUB Dublin

YHMDUB

Hamilton

Mon 12/10

7:00 a.m.-8:40 a.m.

3 stops20h 40m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 381

HamiltonDublin

YHM Hamilton - DUB Dublin

YHMDUB

Hamilton

Mon 5/10

8:35 a.m.-11:00 p.m.

2 stops33h 25m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 388

HamiltonDublin

YHM Hamilton - DUB Dublin

YHMDUB

Hamilton

Fri 25/9

8:35 a.m.-8:20 a.m.

1 stop18h 45m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 391

TorontoShannon

YTZ Toronto Island - SNN Shannon

YTZSNN

Toronto Island

Thu 1/10

4:55 p.m.-5:20 p.m.

3 stops43h 25m

Shannon

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 408

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Sun 27/9

7:40 p.m.-10:15 a.m.

1 stop33h 35m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 421

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ontario to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Ontario with our price prediction graph.

YYZ-DUB

YUL-DUB

YYZ-SNN

YOW-DUB

YYZ-ORK

Estimated round-trip 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 Ontario to Ireland

CAON-IE0

YYZ-DUB

YUL-DUB

YYZ-SNN

YOW-DUB

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Ireland (average of C$ 651). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,082). 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 ON to IE?

When flying from Region of Ontario to Ireland, 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 Region of Ontario to Ireland

The most flights from CAON to IE0 are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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

The price you pay for your flight from Region of Ontario to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

How long is the flight from Region of Ontario to Ireland?
Departing from Region of Ontario to Ireland will take you 10h 25m. There are 5258 km between Region of Ontario and Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from Region of Ontario to Ireland one-way?
The cheapest airlines for a one-way flight from Region of Ontario to Ireland are Air Transat (C$ 218), Porter Airlines (C$ 228), and WestJet (C$ 238).
Can I find deals for flights from Ontario to Ireland that include hotel bookings?
Yes. In addition to deals on Ontario to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Ireland.
Can I find deals for business class flights from Ontario to Ireland?
Yes. Cheapflights offers flight deals from Ontario to Ireland 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 Region of Ontario to Ireland?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Ireland (average of C$ 651). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,082). 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

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Top regions

Alternative routes for Ontario to Ireland

Pierre Elliott Trudeau Intl to Charles de Gaulle flights

Pearson Intl to Heathrow flights

Vancouver Intl to Heathrow flights

Pearson Intl to Gatwick flights

Pearson Intl to Istanbul flights

Pearson Intl to Charles de Gaulle flights

Vancouver Intl to Charles de Gaulle flights

Vancouver Intl to Frankfurt flights

Pearson Intl to Lisbon flights

Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights

Pearson Intl to Leonardo da Vinci/Fiumicino flights

Pierre Elliott Trudeau Intl to Orly flights

Pearson Intl to London City flights

Toronto Island to Heathrow flights

Pierre Elliott Trudeau Intl to Lisbon flights

Pierre Elliott Trudeau Intl to Heathrow flights

Pierre Elliott Trudeau Intl to Beauvais-Tille flights

Pearson Intl to Stansted flights

Pearson Intl to Frankfurt flights

Pearson Intl to Dublin flights

Pierre Elliott Trudeau Intl to Istanbul flights

Pierre Elliott Trudeau Intl to Barcelona-El Prat flights

Pearson Intl to Orly flights

Pearson Intl to Luton flights

Vancouver Intl to Istanbul flights

Pierre Elliott Trudeau Intl to Athens flights

Vancouver Intl to Gatwick flights

Toronto Island to Charles de Gaulle flights

Pearson Intl to Barcelona-El Prat flights

Vancouver Intl to Orly flights

Pearson Intl to Athens flights

Calgary to Heathrow flights

Vancouver Intl to London City flights

Pearson Intl to Frederic Chopin flights

Québec City to Charles de Gaulle flights

Vancouver Intl to Dublin flights

Pearson Intl to Amsterdam flights

Pearson Intl to Madrid flights

Pierre Elliott Trudeau Intl to Málaga flights

Pierre Elliott Trudeau Intl to Madrid flights

Toronto Island to Frankfurt flights

Vancouver Intl to Stansted flights

Toronto Island to Lisbon flights

Pearson Intl to Sabiha Gokcen flights

Pierre Elliott Trudeau Intl to Gatwick flights

Pierre Elliott Trudeau Intl to Bruxelles-National flights

Pearson Intl to Munich flights

Toronto Island to Leonardo da Vinci/Fiumicino flights

Abbotsford to Charles de Gaulle flights

Abbotsford to Heathrow flights

Top 10 airlines flying from Ontario to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	CheapestC$ 225	AverageC$ 708	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
WestJet	CheapestC$ 479	AverageC$ 716	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Icelandair	CheapestC$ 497	AverageC$ 609	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air Transat	CheapestC$ 557	AverageC$ 761	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Porter Airlines	CheapestC$ 563	AverageC$ 792	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Lufthansa	CheapestC$ 598	AverageC$ 967	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	CheapestC$ 615	AverageC$ 857	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	CheapestC$ 670	AverageC$ 881	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	CheapestC$ 702	AverageC$ 849	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
American Airlines	CheapestC$ 709	AverageC$ 948	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Ireland?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ireland from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Ireland?

Cheapflights helps you find that perfect flight to Ireland from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Ireland with no change fees?

Need flexible booking options for your flight to Ireland from Ontario? 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 Ontario to Ireland become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ireland from Ontario today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to Ireland from C$ 253

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Ireland

Cheapest flights from Ontario to IrelandExplore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Explore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from Ontario to IrelandDiscover carefully curated flight deals from Ontario to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from Ontario to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from Ontario to IrelandExplore direct flight options from Ontario to Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Explore direct flight options from Ontario to Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from Ontario to IrelandDiscover last-minute flight deals from Ontario to Ireland. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Ireland. Data last updated 11 September 2026 and is based on user searches.

One-way flights from Ontario to IrelandSearch for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Find flight deals from Ontario to Ireland

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Ontario with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from ON to IE?

Find hourly flight availability from Ontario to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2026.

When flying from Region of Ontario to Ireland, 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 Region of Ontario to Ireland

Explore weekly flight availability from Ontario to Ireland. 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 11 September 2026.

The most flights from CAON to IE0 are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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

The price you pay for your flight from Region of Ontario to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

How long is the flight from Region of Ontario to Ireland?

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

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

How can I find direct flights from Ontario to Ireland?

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

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

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.

Alternative routes for Ontario to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Ontario to Ireland by cabin class

Find flights from Ontario to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Ireland flights

Browse other Ontario and Ireland flight options. Last updated on 11 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Ireland

Find the right flight back to Ontario after your stay in Ireland

Ontario to Ireland flights

Consider these flights travelling from Ontario to Ireland.

Fly to Ireland regions

Consider these flights travelling to Ireland regions.

Top 10 airlines flying from Ontario to Ireland

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Ireland?

Why should you use Cheapflights to find cheap flight tickets from Ontario to Ireland?

Can Cheapflights find flights from Ontario to Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to Ireland become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Ontario to Ireland
Explore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from Ontario to Ireland
Discover carefully curated flight deals from Ontario to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from Ontario to Ireland
Explore direct flight options from Ontario to Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from Ontario to Ireland
Discover last-minute flight deals from Ontario to Ireland. Data last updated 11 September 2026 and is based on user searches.

One-way flights from Ontario to Ireland
Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.