HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ireland to Ontario (ONT) from $381

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DUB — ONT
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from Ireland to Ontario?

To save up to 50% on this flight, we recommend booking at least 28 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ireland to Ontario from $505 1-2 weeks out and tickets from $717 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ireland to Ontario?

Flights from Ireland to Ontario lean towards being more expensive in July. Prices are generally better when you fly from Ireland to Ontario in February, with the cheapest ticket starting at $287.

When is the cheapest time to fly from Ireland to Ontario (IE - ONT)?

When flying from Ireland to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap British Airways flights from Ireland to Ontario

Explore cheap flight options specifically provided by British Airways for the route between Ireland and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Check out some of the cheapest British Airways flights we've come across from Ireland to Ontario. Come back soon if you're not finding the exact deal you're looking for.
Sun 6/1612:40 pmDUB - ONT
1 stop17h 29mBritish Airways
Sun 6/236:00 amONT - DUB
1 stop19h 45mBritish Airways
Deal found 5/27$604
Mon 6/37:15 amDUB - ONT
2 stops20h 53mBritish Airways
Sun 6/94:36 pmONT - DUB
2 stops18h 24mBritish Airways
Deal found 5/27$641
Mon 6/312:40 pmDUB - ONT
1 stop19h 16mBritish Airways
Sun 6/94:36 pmONT - DUB
2 stops18h 24mBritish Airways
Deal found 5/27$643
Thu 7/412:40 pmDUB - ONT
1 stop14h 17mBritish Airways
Fri 8/1612:40 pmONT - DUB
2 stops22h 25mBritish Airways
Deal found 5/27$795
Tue 8/2012:40 pmDUB - ONT
1 stop14h 08mBritish Airways
Sat 8/244:40 pmONT - DUB
2 stops15h 55mBritish Airways
Deal found 5/27$1,335
Sun 8/412:40 pmDUB - ONT
1 stop19h 09mBritish Airways
Tue 8/612:40 pmONT - DUB
2 stops18h 05mBritish Airways
Deal found 5/28$1,393

Cheap Iberia flights from Ireland to Ontario

Explore cheap flight options specifically provided by Iberia for the route between Ireland and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Some of the best deals we've found on Iberia flights traveling from Ireland to Ontario. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Sun 6/912:40 pmDUB - ONT
1 stop19h 19mIberia
Sun 6/166:00 amONT - DUB
1 stop19h 45mIberia
Deal found 5/26$614
Fri 6/712:40 pmDUB - ONT
1 stop14h 17mIberia
Sun 6/1612:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 5/27$615
Wed 6/2612:40 pmDUB - ONT
1 stop14h 17mIberia
Wed 7/312:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 5/27$644
Fri 6/1412:40 pmDUB - ONT
1 stop19h 19mIberia
Sun 6/308:10 amONT - DUB
1 stop17h 35mIberia
Deal found 5/27$647
Fri 6/1412:40 pmDUB - ONT
1 stop19h 19mIberia
Sun 6/302:44 pmONT - DUB
1 stop35h 01mIberia
Deal found 5/27$648
Mon 9/1612:40 pmDUB - ONT
1 stop18h 46mIberia
Mon 10/710:50 amONT - DUB
1 stop14h 55mIberia
Deal found 5/27$673
Fri 9/1312:40 pmDUB - ONT
1 stop17h 02mIberia
Thu 10/1012:45 pmONT - DUB
1 stop13h 00mIberia
Deal found 5/27$738
Mon 6/2412:40 pmDUB - ONT
1 stop14h 17mIberia
Mon 7/18:10 amONT - DUB
1 stop17h 35mIberia
Deal found 5/27$769
Fri 9/1312:40 pmDUB - ONT
1 stop17h 02mIberia
Wed 10/912:45 pmONT - DUB
1 stop13h 00mIberia
Deal found 5/27$803

Cheap Ireland to Ontario flights in May & June 2024

Find cheap flight options from Ireland to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on May 28, 2024.
The lowest fares we've come across on flights traveling from Ireland to Ontario in May and June 2024. Check back soon for alternative fares.
Sun 6/1612:40 pmDUB - ONT
1 stop17h 29mBritish Airways
Sun 6/236:00 amONT - DUB
1 stop19h 45mBritish Airways
Deal found 5/27$604
Thu 6/612:40 pmDUB - ONT
1 stop29h 23mAmerican Airlines
Sat 6/2210:45 pmONT - DUB
1 stop22h 15mAmerican Airlines
Deal found 5/28$614
Thu 6/1312:40 pmDUB - ONT
1 stop17h 29mAmerican Airlines
Mon 6/178:10 amONT - DUB
1 stop17h 35mAmerican Airlines
Deal found 5/28$615
Mon 6/37:15 amDUB - ONT
2 stops20h 53mBritish Airways
Sun 6/94:36 pmONT - DUB
2 stops18h 24mBritish Airways
Deal found 5/27$641
Mon 6/312:40 pmDUB - ONT
1 stop19h 16mBritish Airways
Sun 6/94:36 pmONT - DUB
2 stops18h 24mBritish Airways
Deal found 5/27$643
Wed 6/2612:40 pmDUB - ONT
1 stop14h 17mIberia
Wed 7/312:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 5/27$644
Fri 6/1412:40 pmDUB - ONT
1 stop19h 19mIberia
Sun 6/308:10 amONT - DUB
1 stop17h 35mIberia
Deal found 5/27$647
Fri 6/1412:40 pmDUB - ONT
1 stop19h 19mIberia
Sun 6/302:44 pmONT - DUB
1 stop35h 01mIberia
Deal found 5/27$648
Wed 6/261:20 pmDUB - ONT
2 stops18h 22mDelta
Wed 7/35:35 amONT - DUB
2 stops19h 10mDelta
Deal found 5/27$653

Ireland to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Ireland and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
The lowest fares we've come across on flights traveling from Ireland to Ontario in May and June 2024. Check back soon for alternative fares.
Sun 6/1612:40 pmDUB - ONT
1 stop17h 29mBritish Airways
Sun 6/236:00 amONT - DUB
1 stop19h 45mBritish Airways
Deal found 5/27$604
Thu 6/612:40 pmDUB - ONT
1 stop29h 23mAmerican Airlines
Sat 6/2210:45 pmONT - DUB
1 stop22h 15mAmerican Airlines
Deal found 5/28$614
Thu 6/1312:40 pmDUB - ONT
1 stop17h 29mAmerican Airlines
Mon 6/178:10 amONT - DUB
1 stop17h 35mAmerican Airlines
Deal found 5/28$615
Wed 11/611:50 amDUB - ONT
2 stops18h 31mUnited Airlines
Sat 11/166:00 amONT - DUB
2 stops17h 00mUnited Airlines
Deal found 5/27$627
Mon 6/37:15 amDUB - ONT
2 stops20h 53mBritish Airways
Sun 6/94:36 pmONT - DUB
2 stops18h 24mBritish Airways
Deal found 5/27$641
Mon 6/312:40 pmDUB - ONT
1 stop19h 16mBritish Airways
Sun 6/94:36 pmONT - DUB
2 stops18h 24mBritish Airways
Deal found 5/27$643
Wed 6/2612:40 pmDUB - ONT
1 stop14h 17mIberia
Wed 7/312:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 5/27$644
Fri 6/1412:40 pmDUB - ONT
1 stop19h 19mIberia
Sun 6/308:10 amONT - DUB
1 stop17h 35mIberia
Deal found 5/27$647
Fri 6/1412:40 pmDUB - ONT
1 stop19h 19mIberia
Sun 6/302:44 pmONT - DUB
1 stop35h 01mIberia
Deal found 5/27$648

Ireland to Ontario flights leaving soon

Find last-minute flight options from Ireland to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Check out these flights departing soon from Ireland to Ontario. Users should examine the flight details to ensure there are no surprises.
Thu 6/612:40 pmDUB - ONT
1 stop29h 23mAmerican Airlines
Sat 6/2210:45 pmONT - DUB
1 stop22h 15mAmerican Airlines
Deal found 5/28$614
Fri 6/712:40 pmDUB - ONT
1 stop14h 17mIberia
Sun 6/1612:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 5/27$615
Mon 6/37:15 amDUB - ONT
2 stops20h 53mBritish Airways
Sun 6/94:36 pmONT - DUB
2 stops18h 24mBritish Airways
Deal found 5/27$641
Mon 6/312:40 pmDUB - ONT
1 stop19h 16mBritish Airways
Sun 6/94:36 pmONT - DUB
2 stops18h 24mBritish Airways
Deal found 5/27$643
Mon 6/312:40 pmDUB - ONT
1 stop15h 28mIberia
Sun 6/912:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 5/27$648
Fri 6/711:45 amDUB - ONT
1 stop19h 14mAmerican Airlines
Sun 6/1612:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 5/27$700
Tue 6/411:00 amDUB - ONT
1 stop17h 06mKLM
Fri 6/711:30 amONT - DUB
1 stop13h 15mKLM
Deal found 5/27$825
Mon 6/311:00 amDUB - ONT
1 stop17h 06mKLM
Mon 6/1011:30 amONT - DUB
1 stop13h 15mKLM
Deal found 5/27$826
Sun 6/211:45 amDUB - ONT
2 stops29h 55mAmerican Airlines
Sun 6/910:45 pmONT - DUB
1 stop22h 15mAmerican Airlines
Deal found 5/26$947

One-way flights to Ontario from Ireland

Search for one-way flight options from Ireland to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Users in need of a one-way flight from Ireland to Ontario can choose from these deals. Users needing a return flight from Ireland to Ontario should utilize the search form above.
Mon 9/2311:30 amDUB - ONT
2 stops30h 37mMultiple Airlines
Deal found 5/26$381
Mon 9/231:20 pmDUB - ONT
3 stops28h 47mMultiple Airlines
Deal found 5/26$591
Sat 9/710:45 amDUB - ONT
1 stop19h 36mJetBlue
Deal found 5/27$593
Thu 9/510:45 amDUB - ONT
1 stop19h 36mJetBlue
Deal found 5/26$620
Mon 9/2310:45 amDUB - ONT
1 stop19h 36mJetBlue
Deal found 5/26$639
Wed 6/1210:45 amDUB - ONT
1 stop19h 24mJetBlue
Deal found 5/28$672
Wed 10/2311:00 amDUB - ONT
1 stop16h 22mKLM
Deal found 5/27$673
Sun 7/2110:45 amDUB - ONT
1 stop19h 47mJetBlue
Deal found 5/27$723
Sat 7/2010:45 amDUB - ONT
1 stop19h 53mJetBlue
Deal found 5/27$748

Find flights from Ireland to Ontario within your budget

Customize your flight search to find flights from Ireland 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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$604 - $786

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 6/16

1 stop17h 29m

Ontario

Sun 6/23

1 stop19h 45m

$604

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 6/9

1 stop19h 19m

Ontario

Sun 6/16

1 stop19h 45m

$614

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 6/13

1 stop17h 29m

Ontario

Mon 6/17

1 stop17h 35m

$615

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 11/6

2 stops18h 31m

Ontario

Sat 11/16

2 stops17h 00m

$627

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 6/26

1 stop14h 17m

Ontario

Wed 7/3

1 stop12h 56m

$644

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 6/26

2 stops18h 22m

Ontario

Wed 7/3

1 stop13h 15m

$653

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 6/27

1 stop16h 42m

Ontario

Thu 7/4

1 stop13h 15m

$655

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 9/18

2 stops42h 47m

Ontario

Tue 10/8

2 stops29h 55m

$690

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 9/21

1 stop15h 04m

Ontario

Sat 10/5

1 stop14h 55m

$786

Flights are sorted by cheapest first

Deals found on 5/27

No data available for this route at this time. Please check back soon.

Best time to book a flight from Ireland to Ontario

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

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 May 28, 2024.
See what other customers who have flown with British Airways, Iberia and United Airlines from Ireland to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

Delta
8.0
Very good
10,476 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

KLM
7.9
Good
1,528 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

JetBlue
7.6
Good
4,370 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

United Airlines
7.4
Good
10,799 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

American Airlines
7.3
Good
14,316 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

Related info for your journey

Find useful and relevant information for your journey from Ireland 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 into for flights to Ontario from Ireland?

    If you book a flight to Ontario from Ireland, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • Can I find flights from Ireland to Ontario for under $700 on Cheapflights?

    Yes, there are multiple flights from Ireland to Ontario for under $700. The cheapest flight booked recently is on British Airways for just $604, but on average you can expect to pay $685.

  • Are there last-minute flights available from Ireland to Ontario for under $700?

    There are currently 11+ open flights from Ireland to Ontario within the next 7 days for less than $700.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $593. KLM flights start at $673 while deals on American Airlines start at $796 one-way.

  • What does DUB to ONT mean?

    DUB and ONT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. DUB to ONT refers to a flight route from Dublin Airport to Ontario Airport. Cork Airport (ORK), Shannon Airport (SNN), Knock Intl Airport (NOC), Milltown (Kerry) Kerry Airport (KIR), Galway Airport (GWY) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Ireland to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Ireland to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ireland to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ireland to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Ireland to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Ireland 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.

  • Can I find deals for flights from Ireland to Ontario that allow pets onboard?

    Many airlines flying from Ireland to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ireland to Ontario?

    Yes, you can often find last-minute deals on Ireland to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ireland to Ontario flight deals updated?

    The Ireland to Ontario flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from Ireland to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Ireland to Ontario (average of $238). Flying from Ireland to Ontario in June is currently the most expensive (average of $328). 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.

Alternative routes for Ireland to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

Charles de Gaulle to Los Angeles flights
Heathrow to Los Angeles flights
Frankfurt to Los Angeles flights
Charles de Gaulle to San Francisco flights
Frankfurt to Las Vegas flights
Heathrow to San Francisco flights
Frankfurt to San Francisco flights
Vienna to Los Angeles flights
Orly to Los Angeles flights
Charles de Gaulle to Long Beach flights
Munich to Los Angeles flights
Charles de Gaulle to Burbank flights
Heathrow to Las Vegas flights
Madrid to Los Angeles flights
Gatwick to Los Angeles flights
London City to Los Angeles flights
Barcelona-El Prat to Los Angeles flights
Munich to San Francisco flights
Amsterdam to Los Angeles flights
Zurich to Los Angeles flights
Barcelona-El Prat to San Francisco flights
Zurich to San Francisco flights
London City to San Francisco flights
Madrid to San Francisco flights
Charles de Gaulle to Las Vegas flights
Leonardo da Vinci/Fiumicino to San Francisco flights
Gatwick to San Francisco flights
Luton to Los Angeles flights
Heathrow to Ontario flights
Heathrow to Burbank flights
Heathrow to Long Beach flights
Heathrow to San Diego flights
Gatwick to Las Vegas flights
Amsterdam to San Francisco flights
Malpensa to Los Angeles flights
Leonardo da Vinci/Fiumicino to Los Angeles flights
Berlin to Los Angeles flights
Istanbul to Los Angeles flights
Duesseldorf Intl to Los Angeles flights
Frederic Chopin to Los Angeles flights
London City to Las Vegas flights
Orly to San Francisco flights
Bruxelles-National to Los Angeles flights
Munich to Las Vegas flights
Amsterdam to Las Vegas flights
Charles de Gaulle to Oakland flights
Dublin to Las Vegas flights
Istanbul to San Francisco flights
Dublin to Los Angeles flights
Denver to San Diego flights
Los Angeles to Hawaii flights
Atlanta to Boston flights
Orlando to Seattle flights
San Francisco to London flights
Providence to Orlando flights
Los Angeles to Atlanta flights
Miami to Dallas flights
Seattle to Atlanta flights
New York to Chicago flights
Philadelphia to Miami flights
Ireland to Chicago O'Hare Intl Airport flights

Search flights from Ireland to Ontario by cabin class

Find flights from Ireland to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ireland to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ireland to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Ireland to Ontario with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.
View all available airlines