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 Cork to Los Angeles takes 13h 35m 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.

€432 Cheap Flights from Ireland to Ontario in 2026

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.

08:50 - 22:45DUB Dublin-ONT Ontario

21h 55m2 stops London Heathrow Dallas/Fort Worth

07:00 - 09:55ONT Ontario-DUB Dublin

18h 55m2 stops Dallas/Fort Worth London Heathrow

€554British Airways

Thu, 21 Jan - Mon, 25 Jan

08:50 - 22:45DUB Dublin-ONT Ontario

21h 55m2 stops London Heathrow Dallas/Fort Worth

07:00 - 09:55ONT Ontario-DUB Dublin

18h 55m2 stops Dallas/Fort Worth London Heathrow

€555British Airways

Thu, 21 Jan - Mon, 25 Jan

10:50 - 21:59DUB Dublin-ONT Ontario

19h 09m2 stops London Heathrow Phoenix Sky Harbor Intl

07:00 - 12:35ONT Ontario-DUB Dublin

21h 35m2 stops Dallas/Fort Worth London Heathrow

€555British Airways

Thu, 21 Jan - Mon, 25 Jan

20:40 - 18:52DUB Dublin-ONT Ontario

30h 12m2 stops London Heathrow Dallas/Fort Worth

12:43 - 15:25ONT Ontario-DUB Dublin

18h 42m2 stops Dallas/Fort Worth London Heathrow

€557British Airways

Thu, 21 Jan - Mon, 25 Jan

12:55 - 21:32DUB Dublin-ONT Ontario

16h 37m1 stop Dallas/Fort Worth

10:30 - 07:10ONT Ontario-DUB Dublin

12h 40m1 stop Dallas/Fort Worth

€565American Airlines

Thu, 5 Nov - Wed, 18 Nov

12:55 - 21:11DUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

06:00 - 07:10ONT Ontario-DUB Dublin

17h 10m1 stop Dallas/Fort Worth

€586Iberia

Mon, 26 Oct - Sun, 8 Nov

12:55 - 23:52DUB Dublin-ONT Ontario

17h 57m1 stop Dallas/Fort Worth

10:30 - 07:10ONT Ontario-DUB Dublin

12h 40m1 stop Dallas/Fort Worth

€588American Airlines

Mon, 26 Oct - Sun, 8 Nov

12:55 - 21:11DUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

06:00 - 07:10ONT Ontario-DUB Dublin

17h 10m1 stop Dallas/Fort Worth

€588Iberia

Mon, 26 Oct - Sun, 8 Nov

12:55 - 21:11DUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

07:00 - 07:10ONT Ontario-DUB Dublin

16h 10m1 stop Dallas/Fort Worth

€590Iberia

Fri, 30 Oct - Sat, 7 Nov

12:40 - 18:44DUB Dublin-ONT Ontario

14h 04m1 stop Dallas/Fort Worth

07:00 - 07:10ONT Ontario-DUB Dublin

16h 10m1 stop Dallas/Fort Worth

€591American Airlines

Thu, 22 Oct - Fri, 6 Nov

Recent last minute flight deals from Ireland to Los Angeles

Enter your travel dates to find the best prices.

13:45 - 22:59DUB Dublin-ONT Ontario

17h 14m2 stops Philadelphia Dallas/Fort Worth

14:22 - 09:45ONT Ontario-DUB Dublin

35h 23m1 stop Dallas/Fort Worth

€616American Airlines

Sun, 6 Sep - Sun, 13 Sep

12:40 - 22:59DUB Dublin-ONT Ontario

18h 19m1 stop Dallas/Fort Worth

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

17h 20m1 stop Dallas/Fort Worth

€616Iberia

Sun, 6 Sep - Sun, 13 Sep

11:45 - 22:59DUB Dublin-ONT Ontario

19h 14m2 stops Charlotte Douglas Dallas/Fort Worth

07:20 - 09:45ONT Ontario-DUB Dublin

18h 25m1 stop Dallas/Fort Worth

€617American Airlines

Sat, 5 Sep - Mon, 21 Sep

12:40 - 18:58DUB Dublin-ONT Ontario

14h 18m1 stop Dallas/Fort Worth

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

13h 08m1 stop Dallas/Fort Worth

€617Iberia

Sat, 5 Sep - Sat, 19 Sep

12:40 - 22:59DUB Dublin-ONT Ontario

18h 19m1 stop Dallas/Fort Worth

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

13h 08m1 stop Dallas/Fort Worth

€617American Airlines

Sat, 5 Sep - Sat, 19 Sep

12:40 - 09:34DUB Dublin-ONT Ontario

28h 54m1 stop Dallas/Fort Worth

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

17h 20m1 stop Dallas/Fort Worth

€617American Airlines

Sat, 5 Sep - Mon, 21 Sep

12:40 - 09:34DUB Dublin-ONT Ontario

28h 54m1 stop Dallas/Fort Worth

14:22 - 09:45ONT Ontario-DUB Dublin

35h 23m1 stop Dallas/Fort Worth

€617American Airlines

Sun, 6 Sep - Sun, 13 Sep

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

07:05 - 09:45ONT Ontario-DUB Dublin

18h 40m1 stop Dallas/Fort Worth

€619American Airlines

Fri, 4 Sep - Tue, 8 Sep

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

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

15h 20m1 stop Dallas/Fort Worth

€619American Airlines

Fri, 4 Sep - Thu, 17 Sep

13:45 - 22:59DUB Dublin-ONT Ontario

17h 14m2 stops Philadelphia Dallas/Fort Worth

07:05 - 09:45ONT Ontario-DUB Dublin

18h 40m1 stop Dallas/Fort Worth

€619American Airlines

Fri, 4 Sep - Tue, 8 Sep

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Delta flights from Ireland to Ontario

Our best Delta deals on Ireland to Ontario flight tickets

Delta

16 Oct

DUB05:55Dublin

26h 00m

2 stops

ONT23:55Ontario

23 Oct

ONT06:00Ontario

25h 25m

2 stops

DUB15:25Dublin

€749

Delta

12 Oct

DUB05:55Dublin

26h 00m

2 stops

ONT23:55Ontario

19 Oct

ONT09:45Ontario

24h 40m

2 stops

DUB18:25Dublin

€752

Delta

12 Oct

DUB05:55Dublin

19h 17m

2 stops

ONT17:12Ontario

19 Oct

ONT07:07Ontario

17h 38m

1 stop

DUB08:45Dublin

€754

Iberia flights from Ireland to Ontario

Our best Iberia deals on Ireland to Ontario flight tickets

Iberia

26 Oct

DUB12:55Dublin

15h 16m

1 stop

ONT21:11Ontario

8 Nov

ONT06:00Ontario

17h 10m

1 stop

DUB07:10Dublin

€586

Iberia

26 Oct

DUB12:55Dublin

15h 16m

1 stop

ONT21:11Ontario

8 Nov

ONT06:00Ontario

17h 10m

1 stop

DUB07:10Dublin

€588

Iberia

30 Oct

DUB12:55Dublin

15h 16m

1 stop

ONT21:11Ontario

7 Nov

ONT07:00Ontario

16h 10m

1 stop

DUB07:10Dublin

€590

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

08:50-22:45

2 stops21h 55m

Ontario

Mon 25/1

07:00-09:55

2 stops18h 55m

€554

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

08:50-22:45

2 stops21h 55m

Ontario

Mon 25/1

07:00-09:55

2 stops18h 55m

€555

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

10:50-21:59

2 stops19h 09m

Ontario

Mon 25/1

07:00-12:35

2 stops21h 35m

€555

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

20:40-18:52

2 stops30h 12m

Ontario

Mon 25/1

12:43-15:25

2 stops18h 42m

€557

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 5/11

12:55-21:32

1 stop16h 37m

Ontario

Wed 18/11

10:30-07:10

1 stop12h 40m

€565

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 26/10

12:55-21:11

1 stop15h 16m

Ontario

Sun 8/11

06:00-07:10

1 stop17h 10m

€586

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 26/10

12:55-23:52

1 stop17h 57m

Ontario

Sun 8/11

10:30-07:10

1 stop12h 40m

€588

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 26/10

12:55-21:11

1 stop15h 16m

Ontario

Sun 8/11

06:00-07:10

1 stop17h 10m

€588

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 30/10

12:55-21:11

1 stop15h 16m

Ontario

Sat 7/11

07:00-07:10

1 stop16h 10m

€590

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 22/10

12:40-18:44

1 stop14h 04m

Ontario

Fri 6/11

07:00-07:10

1 stop16h 10m

€591

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?

Aer Lingus, Iberia, and JetBlue 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 78% 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

Best price found	€432
Fastest flight time	15h 59m
Direct flights	None

The best one-way flight to Ontario from Ireland in the past 72 hours is €432. The best return flight deal from Ireland to Ontario found on momondo in the last 72 hours is €554.

The fastest flight from Ireland to Ontario takes 15h 59m

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.