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.

€428 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.

15:25 - 23:42DUB Dublin-ONT Ontario

16h 17m1 stop Seattle/Tacoma Intl

13:52 - 11:45ONT Ontario-DUB Dublin

13h 53m1 stop San Francisco

€428Aer Lingus

Mon, 5 Oct - Mon, 12 Oct

09:50 - 23:52DUB Dublin-ONT Ontario

22h 02m2 stops Madrid Barajas Dallas/Fort Worth

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

15h 20m1 stop Dallas/Fort Worth

€623Iberia

Tue, 6 Oct - Tue, 13 Oct

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

14h 04m1 stop Dallas/Fort Worth

22:10 - 09:35ONT Ontario-DUB Dublin

27h 25m1 stop Charlotte Douglas

€623Multiple Airlines

Fri, 9 Oct - Fri, 16 Oct

12:40 - 13:30DUB Dublin-ONT Ontario

32h 50m1 stop Dallas/Fort Worth

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

35h 23m1 stop Dallas/Fort Worth

€623Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

12:40 - 13:30DUB Dublin-ONT Ontario

32h 50m1 stop Dallas/Fort Worth

07:00 - 09:45ONT Ontario-DUB Dublin

18h 45m1 stop Dallas/Fort Worth

€624Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

13:00 - 23:52DUB Dublin-ONT Ontario

18h 52m1 stop Dallas/Fort Worth

10:30 - 07:15ONT Ontario-DUB Dublin

12h 45m1 stop Dallas/Fort Worth

€625Multiple Airlines

Thu, 19 Nov - Mon, 23 Nov

12:40 - 23:52DUB Dublin-ONT Ontario

19h 12m1 stop Dallas/Fort Worth

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

13h 02m1 stop Dallas/Fort Worth

€626Iberia

Tue, 6 Oct - Tue, 13 Oct

20:40 - 18:42DUB Dublin-ONT Ontario

30h 02m2 stops London Heathrow Dallas/Fort Worth

10:37 - 14:05ONT Ontario-DUB Dublin

19h 28m2 stops Dallas/Fort Worth London Heathrow

€626British Airways

Wed, 4 Nov - Wed, 25 Nov

20:40 - 18:42DUB Dublin-ONT Ontario

30h 02m2 stops London Heathrow Dallas/Fort Worth

13:30 - 17:35ONT Ontario-DUB Dublin

20h 05m2 stops Phoenix Sky Harbor Intl London Heathrow

€626British Airways

Tue, 3 Nov - Thu, 26 Nov

10:30 - 23:46DUB Dublin-ONT Ontario

21h 16m2 stops London Heathrow Dallas/Fort Worth

10:37 - 14:20ONT Ontario-DUB Dublin

19h 43m2 stops Dallas/Fort Worth London Heathrow

€626British Airways

Wed, 4 Nov - Tue, 24 Nov

Recent last minute flight deals from Ireland to Los Angeles

Enter your travel dates to find the best prices.

15:25 - 23:24DUB Dublin-ONT Ontario

15h 59m1 stop Seattle/Tacoma Intl

15:14 - 12:15ONT Ontario-DUB Dublin

13h 01m1 stop Seattle/Tacoma Intl

€431Multiple Airlines

Fri, 28 Aug - Thu, 10 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

€636American Airlines

Thu, 27 Aug - Wed, 9 Sep

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

14h 07m1 stop Dallas/Fort Worth

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

13h 12m1 stop Dallas/Fort Worth

€636American Airlines

Fri, 28 Aug - Sat, 5 Sep

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

14h 18m1 stop Dallas/Fort Worth

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

15h 20m1 stop Dallas/Fort Worth

€639American Airlines

Sat, 29 Aug - Fri, 11 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

€639American Airlines

Sat, 29 Aug - Mon, 14 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

€639American Airlines

Sat, 29 Aug - Sun, 13 Sep

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

14h 07m1 stop Dallas/Fort Worth

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

13h 08m1 stop Dallas/Fort Worth

€639American Airlines

Fri, 28 Aug - Thu, 10 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

€639American Airlines

Fri, 28 Aug - Thu, 10 Sep

11:00 - 21:52DUB Dublin-ONT Ontario

18h 52m1 stop Atlanta Hartsfield-Jackson

13:06 - 12:40ONT Ontario-DUB Dublin

15h 34m2 stops Salt Lake City Amsterdam Schiphol

€791Delta

Thu, 27 Aug - Thu, 3 Sep

12:00 - 21:52DUB Dublin-ONT Ontario

17h 52m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

13:06 - 12:40ONT Ontario-DUB Dublin

15h 34m2 stops Salt Lake City Amsterdam Schiphol

€791Delta

Thu, 27 Aug - Thu, 3 Sep

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British Airways flights from Ireland to Ontario

Our best British Airways deals on Ireland to Ontario flight tickets

British Airways

3 Nov

DUB20:40Dublin

30h 02m

2 stops

ONT18:42Ontario

24 Nov

ONT10:37Ontario

19h 43m

2 stops

DUB14:20Dublin

€626

British Airways

30 Nov

DUB20:40Dublin

30h 17m

2 stops

ONT18:57Ontario

12 Dec

ONT13:23Ontario

17h 42m

2 stops

DUB15:05Dublin

€627

British Airways

24 Sept

ORK07:10Cork

19h 43m

2 stops

ONT18:53Ontario

12 Oct

ONT13:05Ontario

18h 05m

2 stops

ORK15:10Cork

€778

Iberia flights from Ireland to Ontario

Our best Iberia deals on Ireland to Ontario flight tickets

Iberia

6 Oct

DUB12:40Dublin

19h 12m

1 stop

ONT23:52Ontario

13 Oct

ONT12:43Ontario

13h 02m

1 stop

DUB09:45Dublin

€626

Iberia

6 Oct

DUB09:50Dublin

22h 02m

2 stops

ONT23:52Ontario

13 Oct

ONT10:25Ontario

15h 20m

1 stop

DUB09:45Dublin

€632

Iberia

5 Sept

DUB09:50Dublin

21h 09m

2 stops

ONT22:59Ontario

9 Sept

ONT10:25Ontario

15h 20m

1 stop

DUB09:45Dublin

€635

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 5/10

15:25-23:42

1 stop16h 17m

Ontario

Mon 12/10

13:52-11:45

1 stop13h 53m

€428

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

09:50-23:52

2 stops22h 02m

Ontario

Tue 13/10

10:25-09:45

1 stop15h 20m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 9/10

12:40-18:44

1 stop14h 04m

Ontario

Fri 16/10

22:10-09:35

1 stop27h 25m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-13:30

1 stop32h 50m

Ontario

Tue 13/10

14:22-09:45

1 stop35h 23m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-13:30

1 stop32h 50m

Ontario

Tue 13/10

07:00-09:45

1 stop18h 45m

€624

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 19/11

13:00-23:52

1 stop18h 52m

Ontario

Mon 23/11

10:30-07:15

1 stop12h 45m

€625

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-23:52

1 stop19h 12m

Ontario

Tue 13/10

12:43-09:45

1 stop13h 02m

€626

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 4/11

20:40-18:42

2 stops30h 02m

Ontario

Wed 25/11

10:37-14:05

2 stops19h 28m

€626

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 3/11

20:40-18:42

2 stops30h 02m

Ontario

Thu 26/11

13:30-17:35

2 stops20h 05m

€626

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 4/11

10:30-23:46

2 stops21h 16m

Ontario

Tue 24/11

10:37-14:20

2 stops19h 43m

€626

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 Air Canada 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	€448
Fastest flight time	14h 07m
Direct flights	None

The best one-way flight to Ontario from Ireland in the past 72 hours is €448. The best return flight deal from Ireland to Ontario found on momondo in the last 72 hours is €428.

The fastest flight from Ireland to Ontario takes 14h 07m

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.