How long does it take to fly to Ontario?

Flight times vary depending on what airport in Ireland you fly out of and what airport in Ontario you fly into. For example, flying from Dublin to Los Angeles takes 11h on average. On the other hand, flying from Milltown (Kerry) to Los Angeles takes 16h 05m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

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

Prices for flights from Ireland to Ontario Airport are updated daily.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport 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 licence 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.

€435 Cheap Flights from Ireland to Ontario in 2026

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Find the cheapest flights from Ireland to Los Angeles

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One-way

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Recent return flight deals from Ireland to Los Angeles

Enter your travel dates to find the best prices.

11:30 - 23:59

DUB

ONT

20h 29m

2 stops

23:58 - 08:40

ONT

DUB

24h 42m

2 stops

€435American Airlines

Fri, 27 Feb - Mon, 2 Mar

09:30 - 20:54

DUB

ONT

19h 24m

1 stop

10:59 - 09:45

ONT

DUB

14h 46m

1 stop

€466Iberia

Tue, 14 Apr - Mon, 20 Apr

12:40 - 22:35

DUB

ONT

17h 55m

1 stop

07:30 - 09:45

ONT

DUB

18h 15m

1 stop

€658Iberia

Mon, 11 May - Mon, 18 May

10:40 - 21:58

DUB

ONT

19h 18m

2 stops

06:00 - 08:10

ONT

DUB

18h 10m

2 stops

€734United Airlines

Thu, 5 Feb - Mon, 9 Feb

09:00 - 21:58

DUB

ONT

20h 58m

2 stops

06:10 - 08:10

ONT

DUB

18h 00m

2 stops

€916United Airlines

Sun, 8 Feb - Fri, 13 Feb

12:40 - 19:52

DUB

ONT

15h 12m

1 stop

10:25 - 09:45

ONT

DUB

15h 20m

1 stop

€923Iberia

Thu, 2 Jul - Thu, 9 Jul

11:30 - 22:44

DUB

ONT

19h 14m

2 stops

11:17 - 10:15

ONT

DUB

15h 58m

2 stops

€1,009Multiple Airlines

Tue, 3 Mar - Mon, 16 Mar

11:30 - 22:20

DUB

ONT

18h 50m

2 stops

10:05 - 10:15

ONT

DUB

16h 10m

2 stops

€1,013Multiple Airlines

Mon, 23 Feb - Sat, 28 Feb

11:30 - 22:20

DUB

ONT

18h 50m

2 stops

11:17 - 10:15

ONT

DUB

15h 58m

2 stops

€1,049Multiple Airlines

Mon, 2 Mar - Mon, 16 Mar

12:40 - 19:52

DUB

ONT

15h 12m

1 stop

12:46 - 09:45

ONT

DUB

12h 59m

1 stop

€1,100Iberia

Wed, 15 Jul - Sun, 19 Jul

Iberia flights from Ireland to Ontario

Our best Iberia deals on Ireland to Ontario flight tickets

Iberia

14 Apr

DUB09:30Dublin

19h 24m

1 stop

ONT20:54Ontario

20 Apr

ONT10:59Ontario

14h 46m

1 stop

DUB09:45Dublin

€466

Iberia

11 May

DUB12:40Dublin

17h 55m

1 stop

ONT22:35Ontario

18 May

ONT07:30Ontario

18h 15m

1 stop

DUB09:45Dublin

€658

Iberia

2 Jul

DUB12:40Dublin

15h 12m

1 stop

ONT19:52Ontario

9 Jul

ONT10:25Ontario

15h 20m

1 stop

DUB09:45Dublin

€923

United Airlines flights from Ireland to Ontario

Our best United Airlines deals on Ireland to Ontario flight tickets

United Airlines

30 Jan

DUB09:30Dublin

20h 28m

2 stops

ONT21:58Ontario

6 Mar

ONT05:15Ontario

18h 15m

2 stops

DUB07:30Dublin

€599

United Airlines

5 Feb

DUB10:40Dublin

19h 18m

2 stops

ONT21:58Ontario

9 Feb

ONT06:00Ontario

18h 10m

2 stops

DUB08:10Dublin

€734

United Airlines

8 Feb

DUB09:00Dublin

20h 58m

2 stops

ONT21:58Ontario

13 Feb

ONT06:10Ontario

18h 00m

2 stops

DUB08:10Dublin

€916

Fly from

Fly to

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 27/2

11:30-23:59

2 stops20h 29m

Ontario

Mon 2/3

23:58-08:40

2 stops24h 42m

€435

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 14/4

09:30-20:54

1 stop19h 24m

Ontario

Mon 20/4

10:59-09:45

1 stop14h 46m

€466

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 11/5

12:40-22:35

1 stop17h 55m

Ontario

Mon 18/5

07:30-09:45

1 stop18h 15m

€658

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 5/2

10:40-21:58

2 stops19h 18m

Ontario

Mon 9/2

06:00-08:10

2 stops18h 10m

€734

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 8/2

09:00-21:58

2 stops20h 58m

Ontario

Fri 13/2

06:10-08:10

2 stops18h 00m

€916

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 2/7

12:40-19:52

1 stop15h 12m

Ontario

Thu 9/7

10:25-09:45

1 stop15h 20m

€923

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 3/3

11:30-22:44

2 stops19h 14m

Ontario

Mon 16/3

11:17-10:15

2 stops15h 58m

€1,009

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 23/2

11:30-22:20

2 stops18h 50m

Ontario

Sat 28/2

10:05-10:15

2 stops16h 10m

€1,013

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 2/3

11:30-22:20

2 stops18h 50m

Ontario

Mon 16/3

11:17-10:15

2 stops15h 58m

€1,049

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 15/7

12:40-19:52

1 stop15h 12m

Ontario

Sun 19/7

12:46-09:45

1 stop12h 59m

€1,100

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to Ontario

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

Airlines

Other information

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

JetBlue, Iberia, and American Airlines are the most popular carriers operating from Ireland to Ontario

Which airlines fly to Ontario?

Aer Lingus, British Airways and United Airlines are the top three most popular airlines that fly to Ontario from Ireland according to our data. Aer Lingus is the first choice among our users, with 63% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Cheap Ireland to Ontario flight deals and tips

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

Fastest flight time	17h 44m
Direct flights	None

The fastest flight from Ireland to Ontario takes 17h 44m

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

Search flight deals

When did momondo last update prices for flights from Ireland to Ontario Airport?
Prices for flights from Ireland to Ontario Airport are updated daily.
How old do you have to be to fly from Ireland to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport 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 licence 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.

Why use momondo?

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

Finding the right flight to Ontario from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

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

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

Once you have performed a search for Ireland to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Ontario from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.