What airlines fly to Ireland?

Aer Lingus, American Airlines and United Airlines are the top three most popular airlines that fly to Ireland from Ontario according to our data. Aer Lingus is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 12 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Ireland?

United Airlines, Lufthansa, and Iberia are the most popular carriers operating from Ontario to Ireland

When did momondo last update prices for flights from Ontario Airport to Ireland?

Prices for flights from Ontario Airport to Ireland are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Ireland?

As of March 2026, there is 1 operator available to choose from for flights from Ontario Airport to Ireland.

How old do you have to be to fly from Ontario Airport to Ireland?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Ireland.

What documentation or ID do you need to fly to Ireland?

The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$290 Cheap Flights from Ontario to Ireland in 2026

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Find the cheapest flights from Ontario to Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 7:30 am

ONT

SNN

16h 30m

1 stop

9:30 am - 6:19 pm

SNN

ONT

16h 49m

1 stop

$631United Airlines

Sun, Aug 16 - Fri, Sep 4

1:44 pm - 7:30 am

ONT

SNN

33h 46m

2 stops

9:30 am - 8:52 pm

SNN

ONT

19h 22m

2 stops

$636United Airlines

Sat, Aug 15 - Wed, Sep 2

1:44 pm - 7:30 am

ONT

SNN

33h 46m

2 stops

9:30 am - 8:52 pm

SNN

ONT

43h 22m

2 stops

$647United Airlines

Sat, Aug 15 - Fri, Sep 4

9:55 am - 11:10 am

ONT

SNN

17h 15m

2 stops

1:05 pm - 9:56 pm

SNN

ONT

16h 51m

2 stops

$663Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

7:00 am - 7:30 am

ONT

SNN

16h 30m

1 stop

9:30 am - 6:19 pm

SNN

ONT

16h 49m

1 stop

$669United Airlines

Thu, Aug 20 - Tue, Sep 1

8:00 am - 7:45 am

ONT

DUB

39h 45m

2 stops

9:50 am - 12:12 pm

DUB

ONT

34h 22m

2 stops

$721Air Canada

Wed, Aug 12 - Fri, Aug 28

5:00 am - 7:45 am

ONT

DUB

18h 45m

2 stops

9:50 am - 8:52 pm

DUB

ONT

43h 02m

2 stops

$727Air Canada

Fri, Aug 14 - Mon, Aug 31

11:59 pm - 9:00 am

ONT

DUB

25h 01m

1 stop

11:40 am - 9:29 pm

DUB

ONT

17h 49m

1 stop

$739JetBlue

Sat, Sep 5 - Tue, Sep 15

9:50 am - 11:10 am

ONT

SNN

17h 20m

2 stops

1:05 pm - 9:56 pm

SNN

ONT

16h 51m

2 stops

$740Multiple Airlines

Wed, May 27 - Thu, Aug 27

7:00 am - 10:20 am

ONT

ORK

19h 20m

2 stops

5:10 pm - 5:15 pm

ORK

ONT

32h 05m

2 stops

$782KLM

Tue, Apr 28 - Tue, May 5

Air Canada flights from Ontario to Ireland

Our best Air Canada deals on Ontario to Ireland flight tickets

Air Canada

Aug 12

ONT8:00 amOntario

39h 45m

2 stops

DUB7:45 amDublin

Aug 28

DUB9:50 amDublin

34h 22m

2 stops

ONT12:12 pmOntario

$721

Air Canada

Aug 14

ONT5:00 amOntario

18h 45m

2 stops

DUB7:45 amDublin

Aug 31

DUB9:50 amDublin

43h 02m

2 stops

ONT8:52 pmOntario

$727

Air Canada

Aug 15

ONT1:18 pmOntario

34h 57m

2 stops

DUB8:15 amDublin

Aug 30

DUB9:50 amDublin

34h 22m

2 stops

ONT12:12 pmOntario

$729

United Airlines flights from Ontario to Ireland

Our best United Airlines deals on Ontario to Ireland flight tickets

United Airlines

Aug 16

ONT7:00 amOntario

16h 30m

1 stop

SNN7:30 amShannon

Sep 4

SNN9:30 amShannon

16h 49m

1 stop

ONT6:19 pmOntario

$631

United Airlines

Aug 15

ONT1:44 pmOntario

33h 46m

2 stops

SNN7:30 amShannon

Sep 2

SNN9:30 amShannon

19h 22m

2 stops

ONT8:52 pmOntario

$636

United Airlines

Aug 15

ONT1:44 pmOntario

33h 46m

2 stops

SNN7:30 amShannon

Sep 4

SNN9:30 amShannon

43h 22m

2 stops

ONT8:52 pmOntario

$647

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 8/16

7:00 am-7:30 am

1 stop16h 30m

Shannon

Fri 9/4

9:30 am-6:19 pm

1 stop16h 49m

$631

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 8/15

1:44 pm-7:30 am

2 stops33h 46m

Shannon

Wed 9/2

9:30 am-8:52 pm

2 stops19h 22m

$636

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 8/15

1:44 pm-7:30 am

2 stops33h 46m

Shannon

Fri 9/4

9:30 am-8:52 pm

2 stops43h 22m

$647

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 8/25

9:55 am-11:10 am

2 stops17h 15m

Shannon

Tue 9/1

1:05 pm-9:56 pm

2 stops16h 51m

$663

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 8/20

7:00 am-7:30 am

1 stop16h 30m

Shannon

Tue 9/1

9:30 am-6:19 pm

1 stop16h 49m

$669

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 8/12

8:00 am-7:45 am

2 stops39h 45m

Dublin

Fri 8/28

9:50 am-12:12 pm

2 stops34h 22m

$721

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Fri 8/14

5:00 am-7:45 am

2 stops18h 45m

Dublin

Mon 8/31

9:50 am-8:52 pm

2 stops43h 02m

$727

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sat 9/5

11:59 pm-9:00 am

1 stop25h 01m

Dublin

Tue 9/15

11:40 am-9:29 pm

1 stop17h 49m

$739

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 5/27

9:50 am-11:10 am

2 stops17h 20m

Shannon

Thu 8/27

1:05 pm-9:56 pm

2 stops16h 51m

$740

OntarioCork

ONT - ORK

ONTORK

Ontario

Tue 4/28

7:00 am-10:20 am

2 stops19h 20m

Cork

Tue 5/5

5:10 pm-5:15 pm

2 stops32h 05m

$782

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Ontario to Ireland flights?

You could potentially save up to 22% on your flight if you consider stops on a Ontario to Ireland flight.

Cheap Ontario to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Ireland

Fastest flight time	12h 58m
Direct flights	None

The fastest flight from Ontario to Ireland takes 12h 58m

There are no direct flights from Ontario to Ireland. There are no popular flight routes from Ontario to Ireland.

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Ireland?
Prices for flights from Ontario Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Ireland?
As of March 2026, there is 1 operator available to choose from for flights from Ontario Airport to Ireland.
How old do you have to be to fly from Ontario Airport to Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ontario to Ireland

Compare and see reviews for airlines that fly from Ontario to Ireland with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $683	Free Cancellation	Rating 7.1 11,464 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Ireland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ireland from Ontario.

Can I find flights from Ontario to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Ireland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Ireland.

I’m not ready to book a flight from Ontario to Ireland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular cities in Ireland

Flights to Dublinfrom $362

Flights to Shannon, Clarefrom $429

Flights to Corkfrom $482

Flights to Milltown (Kerry)from $715

Flights to Knockfrom $732

Flights to Donegalfrom $661

Cheap flights from Ontario to Ireland from $290

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Ireland departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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See travel insights to Ireland from

How to get the cheapest flight ticket from Ontario to Ireland

Can stopping save me money on Ontario to Ireland flights?

What is the cheapest airline that flies from Ontario to Ireland?

What airlines fly to Ireland?

Cheap Ontario to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Ireland

Fastest flight time

Direct flights

Best airlines flying from Ontario to Ireland

Compare and see reviews for airlines that fly from Ontario to Ireland with momondo

Why use momondo?

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo

Ontario flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ireland

List of cabin classes available on flights landing in Ireland. Availability may vary depending on flight origin and airline.

Complete your trip to Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year