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 77% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 13 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, JetBlue, and Delta 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 April 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.

$425 Cheap Flights from Ontario to Ireland in 2026

1 adult

0 bags

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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

$841United Airlines

Mon, Aug 17 - Wed, Sep 2

6:30 am - 7:30 am

ONT

SNN

17h 00m

1 stop

12:30 pm - 10:37 pm

SNN

ONT

18h 07m

2 stops

$890United Airlines

Sun, May 31 - Tue, Jun 16

7:00 am - 7:30 am

ONT

SNN

16h 30m

1 stop

9:30 am - 6:19 pm

SNN

ONT

16h 49m

1 stop

$891United Airlines

Sun, Aug 16 - Sat, Aug 29

11:24 pm - 9:00 am

ONT

DUB

25h 36m

1 stop

11:30 am - 10:05 pm

DUB

ONT

18h 35m

1 stop

$898JetBlue

Sat, Aug 8 - Sat, Aug 22

12:00 pm - 8:45 am

ONT

DUB

12h 45m

1 stop

9:45 am - 6:18 pm

DUB

ONT

16h 33m

1 stop

$908Multiple Airlines

Fri, Oct 23 - Fri, Nov 6

11:50 pm - 9:00 am

ONT

DUB

25h 10m

1 stop

11:30 am - 10:35 pm

DUB

ONT

19h 05m

1 stop

$913JetBlue

Tue, Aug 18 - Tue, Sep 1

1:44 pm - 7:45 am

ONT

DUB

58h 01m

2 stops

9:50 am - 6:11 pm

DUB

ONT

40h 21m

2 stops

$931Air Canada

Sun, Aug 16 - Wed, Aug 26

9:01 am - 8:15 am

ONT

DUB

15h 14m

2 stops

9:50 am - 8:52 pm

DUB

ONT

43h 02m

3 stops

$945Multiple Airlines

Tue, Aug 18 - Tue, Sep 1

6:00 am - 2:40 pm

ONT

ORK

24h 40m

2 stops

6:15 am - 11:44 pm

ORK

ONT

25h 29m

2 stops

$993Delta

Tue, Sep 8 - Tue, Sep 22

5:00 am - 10:45 am

ONT

ORK

21h 45m

3 stops

7:10 am - 10:37 pm

ORK

ONT

23h 27m

3 stops

$2,571Air Canada

Fri, Jun 12 - Fri, Jun 19

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JetBlue flights from Ontario to Ireland

Our best JetBlue deals on Ontario to Ireland flight tickets

JetBlue

Aug 8

ONT11:24 pmOntario

25h 36m

1 stop

DUB9:00 amDublin

Aug 22

DUB11:30 amDublin

18h 35m

1 stop

ONT10:05 pmOntario

$898

JetBlue

Aug 18

ONT11:50 pmOntario

25h 10m

1 stop

DUB9:00 amDublin

Sep 1

DUB11:30 amDublin

19h 05m

1 stop

ONT10:35 pmOntario

$913

JetBlue

Aug 18

ONT11:50 pmOntario

25h 10m

1 stop

DUB9:00 amDublin

Sep 1

DUB11:30 amDublin

19h 05m

1 stop

ONT10:35 pmOntario

$914

Air Canada flights from Ontario to Ireland

Our best Air Canada deals on Ontario to Ireland flight tickets

Air Canada

Aug 16

ONT1:44 pmOntario

58h 01m

2 stops

DUB7:45 amDublin

Aug 26

DUB9:50 amDublin

40h 21m

2 stops

ONT6:11 pmOntario

$931

Air Canada

Aug 21

ONT1:18 pmOntario

58h 57m

2 stops

DUB8:15 amDublin

Sep 8

DUB9:20 amDublin

35h 18m

2 stops

ONT12:38 pmOntario

$943

Air Canada

Aug 21

ONT1:44 pmOntario

58h 31m

2 stops

DUB8:15 amDublin

Sep 2

DUB9:20 amDublin

40h 51m

2 stops

ONT6:11 pmOntario

$947

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Mon 8/17

7:00 am-7:30 am

1 stop16h 30m

Shannon

Wed 9/2

9:30 am-6:19 pm

1 stop16h 49m

$841

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 5/31

6:30 am-7:30 am

1 stop17h 00m

Shannon

Tue 6/16

12:30 pm-10:37 pm

2 stops18h 07m

$890

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 8/16

7:00 am-7:30 am

1 stop16h 30m

Shannon

Sat 8/29

9:30 am-6:19 pm

1 stop16h 49m

$891

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sat 8/8

11:24 pm-9:00 am

1 stop25h 36m

Dublin

Sat 8/22

11:30 am-10:05 pm

1 stop18h 35m

$898

Quickest round-trip

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Fri 10/23

12:00 pm-8:45 am

1 stop12h 45m

Dublin

Fri 11/6

9:45 am-6:18 pm

1 stop16h 33m

$908

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 8/18

11:50 pm-9:00 am

1 stop25h 10m

Dublin

Tue 9/1

11:30 am-10:35 pm

1 stop19h 05m

$913

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sun 8/16

1:44 pm-7:45 am

2 stops58h 01m

Dublin

Wed 8/26

9:50 am-6:11 pm

2 stops40h 21m

$931

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 8/18

9:01 am-8:15 am

2 stops15h 14m

Dublin

Tue 9/1

9:50 am-8:52 pm

3 stops43h 02m

$945

OntarioCork

ONT - ORK

ONTORK

Ontario

Tue 9/8

6:00 am-2:40 pm

2 stops24h 40m

Cork

Tue 9/22

6:15 am-11:44 pm

2 stops25h 29m

$993

OntarioCork

ONT - ORK

ONTORK

Ontario

Fri 6/12

5:00 am-10:45 am

3 stops21h 45m

Cork

Fri 6/19

7:10 am-10:37 pm

3 stops23h 27m

$2,571

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 26% 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 45m
Direct flights	None

The fastest flight from Ontario to Ireland takes 12h 45m

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

Search flight deals

Frequently asked questions about flying 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 April 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 11,678 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.

An easier way to manage your Ireland trip

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Popular cities

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Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $451

Flights to Shannon, Clarefrom $560

Flights to Corkfrom $599

Flights to Knockfrom $786

Flights to Milltown (Kerry)from $732

Flights to Donegalfrom $832

Cheap flights from Ontario to Ireland from $425

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 6/11. 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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JetBlue flights from Ontario to Ireland

Our best JetBlue deals on Ontario to Ireland flight tickets

Air Canada flights from Ontario to Ireland

Our best Air Canada deals on Ontario to Ireland flight tickets

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

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

Frequently asked questions about flying from Ontario to Ireland

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