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 Shannon to Los Angeles takes 14h 38m 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.

€425 Cheap Flights from Ireland to Ontario in 2026

Find the cheapest flights from Ireland to Los Angeles

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12:40 - 21:09DUB Dublin-ONT Ontario

16h 29m1 stop Dallas/Fort Worth

08:25 - 09:45ONT Ontario-DUB Dublin

17h 20m1 stop Dallas/Fort Worth

€611Iberia

Thu, 24 Sep - Thu, 1 Oct

12:40 - 18:53DUB Dublin-ONT Ontario

14h 13m1 stop Dallas/Fort Worth

10:25 - 09:45ONT Ontario-DUB Dublin

15h 20m1 stop Dallas/Fort Worth

€614Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

12:40 - 23:36DUB Dublin-ONT Ontario

18h 56m1 stop Dallas/Fort Worth

12:37 - 09:45ONT Ontario-DUB Dublin

13h 08m1 stop Dallas/Fort Worth

€616Iberia

Thu, 24 Sep - Wed, 30 Sep

10:20 - 22:49DUB Dublin-ONT Ontario

20h 29m2 stops London Heathrow Dallas/Fort Worth

15:09 - 19:40ONT Ontario-DUB Dublin

20h 31m2 stops Dallas/Fort Worth London Heathrow

€616British Airways

Wed, 20 Jan - Sun, 24 Jan

12:40 - 11:43DUB Dublin-ONT Ontario

31h 03m1 stop Dallas/Fort Worth

06:00 - 09:45ONT Ontario-DUB Dublin

19h 45m1 stop Dallas/Fort Worth

€619Multiple Airlines

Wed, 26 Aug - Sun, 30 Aug

12:40 - 21:09DUB Dublin-ONT Ontario

16h 29m1 stop Dallas/Fort Worth

16:29 - 19:20ONT Ontario-DUB Dublin

18h 51m2 stops Phoenix Sky Harbor Intl London Heathrow

€623Multiple Airlines

Thu, 1 Oct - Thu, 15 Oct

11:30 - 22:02DUB Dublin-ONT Ontario

18h 32m2 stops Philadelphia Dallas/Fort Worth

06:00 - 08:30ONT Ontario-DUB Dublin

18h 30m2 stops Dallas/Fort Worth Philadelphia

€625American Airlines

Thu, 24 Dec - Thu, 7 Jan

09:50 - 22:59DUB Dublin-ONT Ontario

21h 09m2 stops Madrid Barajas Dallas/Fort Worth

12:33 - 09:45ONT Ontario-DUB Dublin

13h 12m1 stop Dallas/Fort Worth

€625Iberia

Wed, 26 Aug - Sun, 30 Aug

09:50 - 22:59DUB Dublin-ONT Ontario

21h 09m2 stops Madrid Barajas Dallas/Fort Worth

10:29 - 09:45ONT Ontario-DUB Dublin

15h 16m1 stop Dallas/Fort Worth

€625Iberia

Wed, 26 Aug - Sun, 30 Aug

12:40 - 21:11DUB Dublin-ONT Ontario

16h 31m1 stop Dallas/Fort Worth

12:43 - 09:45ONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

€628Iberia

Thu, 15 Oct - Thu, 22 Oct

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Iberia flights from Ireland to Ontario

Our best Iberia deals on Ireland to Ontario flight tickets

Iberia

24 Sept

DUB12:40Dublin

16h 29m

1 stop

ONT21:09Ontario

1 Oct

ONT08:25Ontario

17h 20m

1 stop

DUB09:45Dublin

€611

Iberia

24 Sept

DUB12:40Dublin

18h 56m

1 stop

ONT23:36Ontario

30 Sept

ONT12:37Ontario

13h 08m

1 stop

DUB09:45Dublin

€616

Iberia

26 Aug

DUB09:50Dublin

21h 09m

2 stops

ONT22:59Ontario

30 Aug

ONT12:33Ontario

13h 12m

1 stop

DUB09:45Dublin

€624

Delta flights from Ireland to Ontario

Our best Delta deals on Ireland to Ontario flight tickets

Delta

24 Sept

DUB05:55Dublin

19h 24m

2 stops

ONT17:19Ontario

1 Oct

ONT09:52Ontario

21h 33m

2 stops

DUB15:25Dublin

€750

Delta

12 Oct

ORK10:50Cork

19h 53m

2 stops

ONT22:43Ontario

11 Nov

ONT12:22Ontario

20h 18m

2 stops

ORK16:40Cork

€756

Delta

15 Aug

DUB11:00Dublin

15h 30m

1 stop

ONT18:30Ontario

28 Aug

ONT22:00Ontario

26h 45m

1 stop

DUB08:45Dublin

€955

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 24/9

12:40-21:09

1 stop16h 29m

Ontario

Thu 1/10

08:25-09:45

1 stop17h 20m

€611

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 24/9

12:40-18:53

1 stop14h 13m

Ontario

Thu 1/10

10:25-09:45

1 stop15h 20m

€614

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 24/9

12:40-23:36

1 stop18h 56m

Ontario

Wed 30/9

12:37-09:45

1 stop13h 08m

€616

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 20/1

10:20-22:49

2 stops20h 29m

Ontario

Sun 24/1

15:09-19:40

2 stops20h 31m

€616

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 26/8

12:40-11:43

1 stop31h 03m

Ontario

Sun 30/8

06:00-09:45

1 stop19h 45m

€619

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 1/10

12:40-21:09

1 stop16h 29m

Ontario

Thu 15/10

16:29-19:20

2 stops18h 51m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 24/12

11:30-22:02

2 stops18h 32m

Ontario

Thu 7/1

06:00-08:30

2 stops18h 30m

€625

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 26/8

09:50-22:59

2 stops21h 09m

Ontario

Sun 30/8

12:33-09:45

1 stop13h 12m

€625

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 26/8

09:50-22:59

2 stops21h 09m

Ontario

Sun 30/8

10:29-09:45

1 stop15h 16m

€625

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 15/10

12:40-21:11

1 stop16h 31m

Ontario

Thu 22/10

12:43-09:45

1 stop13h 02m

€628

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, American Airlines, and British Airways are the most popular carriers operating from Ireland to Ontario

Which airlines fly to Ontario?

Aer Lingus, British Airways and Iberia 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 77% 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	14h 13m
Direct flights	None

The fastest flight from Ireland to Ontario takes 14h 13m

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

Search flight deals

Frequently asked questions about flying from Ireland to Ontario

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.