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.

€554 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.

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

€554British Airways

Thu, 21 Jan - Mon, 25 Jan

13:00 - 22:57DUB Dublin-ONT Ontario

17h 57m1 stop Dallas/Fort Worth

07:00 - 07:15ONT Ontario-DUB Dublin

16h 15m1 stop Dallas/Fort Worth

€562Iberia

Sat, 7 Nov - Fri, 13 Nov

11:30 - 20:48DUB Dublin-ONT Ontario

41h 18m2 stops Philadelphia Chicago O'Hare Intl

09:59 - 08:30ONT Ontario-DUB Dublin

14h 31m2 stops Phoenix Sky Harbor Intl Philadelphia

€562American Airlines

Thu, 14 Jan - Sun, 17 Jan

12:40 - 09:35DUB Dublin-ONT Ontario

28h 55m1 stop Dallas/Fort Worth

07:00 - 08:40ONT Ontario-DUB Dublin

17h 40m2 stops Dallas/Fort Worth Philadelphia

€591American Airlines

Mon, 19 Oct - Wed, 4 Nov

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

19h 12m1 stop Dallas/Fort Worth

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

17h 10m1 stop Dallas/Fort Worth

€591American Airlines

Mon, 19 Oct - Wed, 4 Nov

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

19h 14m1 stop Charlotte Douglas

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

16h 10m1 stop Dallas/Fort Worth

€591American Airlines

Mon, 19 Oct - Sun, 1 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

Mon, 19 Oct - Wed, 4 Nov

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

16h 31m1 stop Dallas/Fort Worth

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

12h 40m1 stop Dallas/Fort Worth

€591American Airlines

Thu, 22 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 - Wed, 4 Nov

18:30 - 11:55DUB Dublin-ONT Ontario

25h 25m2 stops Madrid Barajas Dallas/Fort Worth

10:31 - 17:50ONT Ontario-DUB Dublin

23h 19m2 stops Dallas/Fort Worth Madrid Barajas

€599Iberia

Mon, 18 Jan - Sun, 28 Feb

Recent last minute flight deals from Ireland to Los Angeles

Enter your travel dates to find the best prices.

09:20 - 20:01DUB Dublin-ONT Ontario

18h 41m2 stops Toronto Pearson Intl San Francisco

05:00 - 07:30ONT Ontario-DUB Dublin

18h 30m2 stops Denver Intl Newark

€758United Airlines

Wed, 2 Sep - Fri, 18 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

€861American Airlines

Wed, 2 Sep - Tue, 15 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

€899Multiple Airlines

Wed, 2 Sep - Tue, 15 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

€941American Airlines

Mon, 31 Aug - Mon, 14 Sep

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

16h 51m2 stops Toronto Pearson Intl San Francisco

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

15h 14m2 stops San Francisco Toronto Pearson Intl

€987Multiple Airlines

Mon, 31 Aug - Wed, 16 Sep

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

14h 18m1 stop Dallas/Fort Worth

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

13h 12m1 stop Dallas/Fort Worth

€997American Airlines

Sat, 29 Aug - Fri, 4 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

€1,010Iberia

Wed, 2 Sep - Fri, 18 Sep

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

16h 51m2 stops Toronto Pearson Intl San Francisco

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

15h 14m2 stops San Francisco Toronto Pearson Intl

€1,052Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

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

18h 19m1 stop Dallas/Fort Worth

10:25 - 12:20ONT Ontario-DUB Dublin

17h 55m2 stops Dallas/Fort Worth Madrid Barajas

€1,089Iberia

Wed, 2 Sep - Fri, 18 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

€1,362American Airlines

Mon, 31 Aug - Sun, 13 Sep

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Iberia flights from Ireland to Ontario

Our best Iberia deals on Ireland to Ontario flight tickets

Iberia

7 Nov

DUB13:00Dublin

17h 57m

1 stop

ONT22:57Ontario

13 Nov

ONT07:00Ontario

16h 15m

1 stop

DUB07:15Dublin

€562

Iberia

18 Jan

DUB18:30Dublin

23h 11m

2 stops

ONT09:41Ontario

2 Mar

ONT07:00Ontario

18h 20m

2 stops

DUB09:20Dublin

€599

Iberia

4 Nov

DUB18:30Dublin

23h 10m

2 stops

ONT09:40Ontario

25 Nov

ONT06:00Ontario

17h 15m

1 stop

DUB07:15Dublin

€632

United Airlines flights from Ireland to Ontario

Our best United Airlines deals on Ireland to Ontario flight tickets

United Airlines

21 Jan

DUB09:00Dublin

35h 20m

2 stops

ONT12:20Ontario

25 Jan

ONT06:45Ontario

17h 25m

1 stop

DUB08:10Dublin

€703

United Airlines

11 Nov

DUB10:40Dublin

16h 07m

1 stop

ONT18:47Ontario

19 Nov

ONT06:00Ontario

19h 55m

2 stops

DUB09:55Dublin

€706

United Airlines

3 Nov

DUB10:40Dublin

16h 07m

1 stop

ONT18:47Ontario

24 Nov

ONT07:00Ontario

17h 10m

1 stop

DUB08:10Dublin

€707

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

€554

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sat 7/11

13:00-22:57

1 stop17h 57m

Ontario

Fri 13/11

07:00-07:15

1 stop16h 15m

€562

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 14/1

11:30-20:48

2 stops41h 18m

Ontario

Sun 17/1

09:59-08:30

2 stops14h 31m

€562

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 19/10

12:40-09:35

1 stop28h 55m

Ontario

Wed 4/11

07:00-08:40

2 stops17h 40m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 19/10

12:40-23:52

1 stop19h 12m

Ontario

Wed 4/11

06:00-07:10

1 stop17h 10m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 19/10

11:45-22:59

1 stop19h 14m

Ontario

Sun 1/11

07:00-07:10

1 stop16h 10m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 19/10

12:40-18:44

1 stop14h 04m

Ontario

Wed 4/11

07:00-07:10

1 stop16h 10m

€591

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 22/10

12:40-21:11

1 stop16h 31m

Ontario

Sat 7/11

10:30-07:10

1 stop12h 40m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 22/10

12:40-18:44

1 stop14h 04m

Ontario

Wed 4/11

07:00-07:10

1 stop16h 10m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 18/1

18:30-11:55

2 stops25h 25m

Ontario

Sun 28/2

10:31-17:50

2 stops23h 19m

€599

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, JetBlue, and Turkish Airlines 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	€609
Fastest flight time	14h 07m
Direct flights	None

The best one-way flight to Ontario from Ireland in the past 72 hours is €609. 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 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.