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.

€472 Cheap Flights from Ireland to Ontario in 2025/26

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Find the cheapest flights from Ireland to Los Angeles

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Recent return flight deals from Ireland to Los Angeles

Enter your travel dates to find the best prices.

08:50 - 23:43DUB-ONT

22h 53m2 stops

15:05 - 16:50ONT-DUB

17h 45m2 stops

€472American Airlines

Find Deal

Wed, 25 Feb - Sun, 1 Mar

11:30 - 22:29DUB-ONT

18h 59m2 stops

10:47 - 12:15ONT-DUB

17h 28m2 stops

€474American Airlines

Find Deal

Wed, 5 Nov - Sun, 9 Nov

13:25 - 11:26DUB-ONT

29h 01m2 stops

09:50 - 07:45ONT-DUB

13h 55m2 stops

€482Delta

Find Deal

Sat, 1 Nov - Sat, 8 Nov

08:50 - 22:29DUB-ONT

21h 39m2 stops

07:00 - 07:10ONT-DUB

16h 10m1 stop

€490Multiple Airlines

Find Deal

Wed, 5 Nov - Sun, 9 Nov

12:55 - 22:29DUB-ONT

17h 34m1 stop

10:47 - 07:10ONT-DUB

12h 23m1 stop

€491Iberia

Find Deal

Fri, 7 Nov - Fri, 14 Nov

11:30 - 22:42DUB-ONT

18h 12m2 stops

06:10 - 07:10ONT-DUB

17h 00m1 stop

€503Multiple Airlines

Find Deal

Sat, 1 Nov - Sat, 8 Nov

13:45 - 23:40DUB-ONT

17h 55m1 stop

11:01 - 09:45ONT-DUB

14h 44m1 stop

€544Iberia

Find Deal

Thu, 16 Apr - Sun, 26 Apr

10:40 - 22:31DUB-ONT

19h 51m1 stop

07:00 - 08:10ONT-DUB

17h 10m1 stop

€560United Airlines

Find Deal

Wed, 5 Nov - Sun, 9 Nov

09:45 - 21:14DUB-ONT

19h 29m1 stop

06:45 - 07:45ONT-DUB

17h 00m2 stops

€601Delta

Find Deal

Wed, 25 Feb - Sun, 1 Mar

10:40 - 18:36DUB-ONT

15h 56m1 stop

06:00 - 08:10ONT-DUB

18h 10m2 stops

€1,432United Airlines

Find Deal

Mon, 17 Nov - Thu, 4 Dec

American Airlines flights from Ireland to Ontario

Our best American Airlines deals on Ireland to Ontario flight tickets

American Airlines

25 Feb

DUB08:50Dublin

22h 53m

2 stops

ONT23:43Ontario

1 Mar

ONT15:05Ontario

17h 45m

2 stops

DUB16:50Dublin

€472

Find similar

American Airlines

5 Nov

DUB11:30Dublin

18h 59m

2 stops

ONT22:29Ontario

9 Nov

ONT10:47Ontario

17h 28m

2 stops

DUB12:15Dublin

€474

Find similar

American Airlines

1 Nov

DUB11:30Dublin

18h 12m

2 stops

ONT22:42Ontario

15 Nov

ONT10:47Ontario

12h 23m

1 stop

DUB07:10Dublin

€489

Find similar

Delta flights from Ireland to Ontario

Our best Delta deals on Ireland to Ontario flight tickets

Delta

1 Nov

DUB13:25Dublin

29h 01m

2 stops

ONT11:26Ontario

8 Nov

ONT09:50Ontario

13h 55m

2 stops

DUB07:45Dublin

€482

Find similar

Delta

30 Oct

DUB05:55Dublin

18h 15m

2 stops

ONT17:10Ontario

12 Nov

ONT06:45Ontario

18h 00m

2 stops

DUB08:45Dublin

€551

Find similar

Delta

25 Feb

DUB09:45Dublin

19h 29m

1 stop

ONT21:14Ontario

1 Mar

ONT06:45Ontario

17h 00m

2 stops

DUB07:45Dublin

€601

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 25/2

08:50-23:43

2 stops22h 53m

Ontario

Sun 1/3

15:05-16:50

2 stops17h 45m

€472

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 5/11

11:30-22:29

2 stops18h 59m

Ontario

Sun 9/11

10:47-12:15

2 stops17h 28m

€474

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 1/11

13:25-11:26

2 stops29h 01m

Ontario

Sat 8/11

09:50-07:45

2 stops13h 55m

€482

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 5/11

08:50-22:29

2 stops21h 39m

Ontario

Sun 9/11

07:00-07:10

1 stop16h 10m

€490

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 7/11

12:55-22:29

1 stop17h 34m

Ontario

Fri 14/11

10:47-07:10

1 stop12h 23m

€491

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 1/11

11:30-22:42

2 stops18h 12m

Ontario

Sat 8/11

06:10-07:10

1 stop17h 00m

€503

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 16/4

13:45-23:40

1 stop17h 55m

Ontario

Sun 26/4

11:01-09:45

1 stop14h 44m

€544

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 5/11

10:40-22:31

1 stop19h 51m

Ontario

Sun 9/11

07:00-08:10

1 stop17h 10m

€560

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 25/2

09:45-21:14

1 stop19h 29m

Ontario

Sun 1/3

06:45-07:45

2 stops17h 00m

€601

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 17/11

10:40-18:36

1 stop15h 56m

Ontario

Thu 4/12

06:00-08:10

2 stops18h 10m

€1,432

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?

Lufthansa, Air France, and KLM 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 59% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 7 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

Direct flights	None

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.