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.

€410 Cheap Flights from Ireland to Ontario in 2026

Find the cheapest flights from Ireland to Los Angeles

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One-way

Last minute

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

14:22 - 19:45ONT Ontario-DUB Dublin

21h 23m2 stops Dallas/Fort Worth London Heathrow

€614British Airways

Fri, 5 Feb - Mon, 8 Feb

10:50 - 22:45DUB Dublin-ONT Ontario

19h 55m2 stops London Heathrow Dallas/Fort Worth

12:43 - 17:05ONT Ontario-DUB Dublin

20h 22m2 stops Dallas/Fort Worth London Heathrow

€615British Airways

Fri, 5 Feb - Mon, 8 Feb

12:40 - 11:47DUB Dublin-ONT Ontario

31h 07m1 stop Dallas/Fort Worth

23:10 - 09:35ONT Ontario-DUB Dublin

26h 25m1 stop Charlotte Douglas

€618Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

12:40 - 20:09DUB Dublin-ONT Ontario

15h 29m1 stop Dallas/Fort Worth

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

15h 20m1 stop Dallas/Fort Worth

€624Iberia

Tue, 29 Sep - Tue, 6 Oct

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

€627American Airlines

Thu, 27 Aug - Wed, 9 Sep

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

21h 55m2 stops London Heathrow Dallas/Fort Worth

10:31 - 15:25ONT Ontario-DUB Dublin

20h 54m2 stops Dallas/Fort Worth London Heathrow

€627British Airways

Fri, 5 Feb - Mon, 8 Feb

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

16h 29m1 stop Dallas/Fort Worth

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

15h 20m1 stop Dallas/Fort Worth

€628Iberia

Thu, 1 Oct - Thu, 15 Oct

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

€629Multiple Airlines

Thu, 3 Sep - Wed, 16 Sep

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

14h 13m1 stop Dallas/Fort Worth

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

18h 51m2 stops Phoenix Sky Harbor Intl London Heathrow

€632Multiple Airlines

Thu, 1 Oct - Thu, 15 Oct

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

21h 09m2 stops Madrid Barajas Dallas/Fort Worth

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

15h 20m1 stop Dallas/Fort Worth

€633Iberia

Thu, 27 Aug - Wed, 9 Sep

Recent last minute flight deals from Ireland to Los Angeles

Enter your travel dates to find the best prices.

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

€807American Airlines

Fri, 21 Aug - Tue, 25 Aug

09:50 - 18:11DUB Dublin-ONT Ontario

16h 21m2 stops Vancouver Intl San Francisco

09:01 - 08:15ONT Ontario-DUB Dublin

15h 14m2 stops San Francisco Toronto Pearson Intl

€888Multiple Airlines

Fri, 21 Aug - Tue, 25 Aug

15:25 - 23:11DUB Dublin-ONT Ontario

15h 46m1 stop Seattle/Tacoma Intl

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

13h 01m1 stop Seattle/Tacoma Intl

€996Multiple Airlines

Tue, 18 Aug - Sat, 12 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

€1,004British Airways

Tue, 18 Aug - Sun, 4 Oct

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

€1,006British Airways

Tue, 18 Aug - Fri, 11 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

€1,007British Airways

Tue, 18 Aug - Sun, 27 Sep

09:20 - 18:11DUB Dublin-ONT Ontario

16h 51m2 stops Toronto Pearson Intl San Francisco

08:03 - 08:15ONT Ontario-DUB Dublin

16h 12m2 stops San Francisco Toronto Pearson Intl

€1,055Multiple Airlines

Tue, 18 Aug - Sat, 26 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

€1,092American Airlines

Wed, 19 Aug - Tue, 1 Sep

09:50 - 18:16DUB Dublin-ONT Ontario

16h 26m2 stops Vancouver Intl San Francisco

09:01 - 08:15ONT Ontario-DUB Dublin

15h 14m2 stops San Francisco Toronto Pearson Intl

€1,142Multiple Airlines

Wed, 19 Aug - Tue, 1 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

€1,145Iberia

Tue, 18 Aug - Thu, 10 Sep

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American Airlines flights from Ireland to Ontario

Our best American Airlines deals on Ireland to Ontario flight tickets

American Airlines

27 Aug

DUB12:40Dublin

14h 07m

1 stop

ONT18:47Ontario

9 Sept

ONT12:37Ontario

13h 08m

1 stop

DUB09:45Dublin

€627

American Airlines

7 Nov

DUB13:00Dublin

17h 57m

1 stop

ONT22:57Ontario

16 Nov

ONT10:30Ontario

12h 45m

1 stop

DUB07:15Dublin

€634

American Airlines

21 Oct

DUB12:40Dublin

14h 04m

1 stop

ONT18:44Ontario

31 Oct

ONT06:00Ontario

18h 10m

1 stop

DUB07:10Dublin

€635

Iberia flights from Ireland to Ontario

Our best Iberia deals on Ireland to Ontario flight tickets

Iberia

29 Sept

DUB12:40Dublin

15h 29m

1 stop

ONT20:09Ontario

6 Oct

ONT10:25Ontario

15h 20m

1 stop

DUB09:45Dublin

€624

Iberia

1 Oct

DUB12:40Dublin

16h 29m

1 stop

ONT21:09Ontario

15 Oct

ONT10:25Ontario

15h 20m

1 stop

DUB09:45Dublin

€628

Iberia

27 Aug

DUB09:50Dublin

21h 09m

2 stops

ONT22:59Ontario

9 Sept

ONT10:25Ontario

15h 20m

1 stop

DUB09:45Dublin

€633

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 5/2

08:50-22:45

2 stops21h 55m

Ontario

Mon 8/2

14:22-19:45

2 stops21h 23m

€614

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 5/2

10:50-22:45

2 stops19h 55m

Ontario

Mon 8/2

12:43-17:05

2 stops20h 22m

€615

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 28/9

12:40-11:47

1 stop31h 07m

Ontario

Mon 5/10

23:10-09:35

1 stop26h 25m

€618

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 29/9

12:40-20:09

1 stop15h 29m

Ontario

Tue 6/10

10:25-09:45

1 stop15h 20m

€624

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 27/8

12:40-18:47

1 stop14h 07m

Ontario

Wed 9/9

12:37-09:45

1 stop13h 08m

€627

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 5/2

08:50-22:45

2 stops21h 55m

Ontario

Mon 8/2

10:31-15:25

2 stops20h 54m

€627

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 1/10

12:40-21:09

1 stop16h 29m

Ontario

Thu 15/10

10:25-09:45

1 stop15h 20m

€628

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 3/9

12:40-18:47

1 stop14h 07m

Ontario

Wed 16/9

12:37-09:45

1 stop13h 08m

€629

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 1/10

12:40-18:53

1 stop14h 13m

Ontario

Thu 15/10

16:29-19:20

2 stops18h 51m

€632

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 27/8

09:50-22:59

2 stops21h 09m

Ontario

Wed 9/9

10:25-09:45

1 stop15h 20m

€633

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?

Iberia, British Airways, and KLM 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

Best price found	€410
Fastest flight time	15h 11m
Direct flights	None

The best one-way flight to Ontario from Ireland in the past 72 hours is €410. The best return flight deal from Ireland to Ontario found on momondo in the last 72 hours is €614.

The fastest flight from Ireland to Ontario takes 15h 11m

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.